Changes for page Water Quality Sensors
Last modified by Karry Zhuang on 2025/07/18 16:37
From version 60.1
edited by Karry Zhuang
on 2025/07/15 15:23
on 2025/07/15 15:23
Change comment:
Uploaded new attachment "1752564223905-283.png", version {1}
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... ... @@ -1,1 +1,1 @@ 1 -XWiki. karry1 +XWiki.Xiaoling - Content
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... ... @@ -11,26 +11,17 @@ 11 11 12 12 13 13 * **Power Input**: DC7~~30 14 - 15 15 * **Power Consumption** : < 0.5W 16 - 17 17 * **Interface**: RS485. 9600 Baud Rate 18 - 19 19 * **EC Range & Resolution:** 20 20 ** **ECK0.01** : 0.02 ~~ 20 μS/cm 21 21 ** **ECK0.1**: 0.2 ~~ 200.0 μS/cm 22 -** **ECK1.0** : 0 ~~ 2,000 μS/cm Resolution: 1 μS/cm 23 -** **ECK10.0** : 10 ~~ 20,000 μS/cm Resolution: 10 μS/cm 24 -** **ECK200.0** : 1 ~~ 200,000 μS/cm Resolution: 1 μS/cm 25 - 19 +** **ECK1.0** : 2 ~~ 2,000 μS/cm Resolution: 1 μS/cm 20 +** **ECK10.0** : 20 ~~ 20,000 μS/cm Resolution: 10 μS/cm 26 26 * **EC Accuracy**: ±1% FS 22 +* **Temperature Measure Range**: -20 ~~ 60 °C 27 27 * **Temperature Accuracy: **±0.5 °C 28 -* **Working environment:** 29 -** Ambient Temperature: 0–60°C 30 -** Relative Humidity: <85% RH(Specifically refers to the cable male and female) 31 -** ECK200.0 32 32 * **IP Rated**: IP68 33 - 34 34 * **Max Pressure**: 0.6MPa 35 35 36 36 == 1.2 Application for Different Range == ... ... @@ -42,7 +42,7 @@ 42 42 == 1.3 Wiring == 43 43 44 44 45 -[[image:image-2024 1129142314-1.png||height="352" width="1108"]]36 +[[image:image-20240720172533-1.png||height="347" width="569"]] 46 46 47 47 48 48 == 1.4 Mechinical Drawing == ... ... @@ -93,11 +93,8 @@ 93 93 94 94 95 95 * The equipment itself generally does not require daily maintenance. When an obvious fault occurs, please do not open it and repair it yourself, and contact us as soon as possible. 96 - 97 97 * If the electrode is not used for a long time, it can generally be stored in a dry place, but it must be placed (stored) in distilled water for several hours before use to activate the electrode. Electrodes that are frequently used can be placed (stored) in distilled water. 98 - 99 99 * Cleaning of conductivity electrodes: Organic stains on the electrode can be cleaned with warm water containing detergent, or with alcohol. Calcium and magnesium precipitates are best cleaned with 10% citric acid. The electrode plate or pole can only be cleaned by chemical methods or by shaking in water. Wiping the electrode plate will damage the coating (platinum black) on the electrode surface. 100 - 101 101 * The equipment should be calibrated before each use. It is recommended to calibrate it every 3 months for long-term use. The calibration frequency should be adjusted appropriately according to different application conditions (degree of dirt in the application, deposition of chemical substances, etc.). 102 102 103 103 == 1.7 RS485 Commands == ... ... @@ -208,8 +208,7 @@ 208 208 209 209 This device uses one-point calibration, and you need to prepare a known E standard solution. When mileage K=1, 1~~2000 uses 1413μS/cm standard solution, and when mileage K=10, 10~~20000 uses 12.88mS/cm standard solution. 210 210 211 -(% style="color:blue" %)**The calibration steps are as follows:** 212 - 199 +**The calibration steps are as follows:** 213 213 (1) Place the electrode in distilled water and clean it. When mileage 1~~2000 uses 1413μS/cm standard solution, enter the following calibration command after the data is stable. 214 214 215 215 (% border="1" cellspacing="3" style="background-color:#f2f2f2; width:518px" %) ... ... @@ -254,29 +254,16 @@ 254 254 255 255 256 256 * **Power Input**: DC7~~30 257 - 258 258 * **Power Consumption** : < 0.5W 259 - 260 260 * **Interface**: RS485. 9600 Baud Rate 261 - 262 262 * **pH measurement range**: 0~~14.00pH; resolution: 0.01pH 263 - 264 -* **pH measurement error**: ±0.15pH 265 - 266 -* **Repeatability error**: ±0.02pH 267 - 268 -* **Temperature measurement range**:0~~60°C; resolution: 0.1°C (set temperature for manual temperature compensation, default 25°C) 269 - 270 -* **Temperature measurement error**: ±0.5°C 271 - 272 -* **Working environment:** 273 -** Ambient Temperature: 0–60°C 274 -** Relative Humidity: <85% RH(Specifically refers to the cable male and female) 275 - 247 +* **pH measurement error**:±0.15pH 248 +* **Repeatability error**:±0.02pH 249 +* **Temperature measurement range**:0~~60℃; resolution: 0.1℃ (set temperature for manual temperature compensation, default 25℃) 250 +* **Temperature measurement error**: ±0.5℃ 251 +* **Temperature Measure Range**: -20 ~~ 60 °C 276 276 * **Temperature Accuracy: **±0.5 °C 277 - 278 278 * **IP Rated**: IP68 279 - 280 280 * **Max Pressure**: 0.6MPa 281 281 282 282 == 2.2 Wiring == ... ... @@ -285,7 +285,7 @@ 285 285 [[image:image-20240720172548-2.png||height="348" width="571"]] 286 286 287 287 288 -== 2.3 Mechinical Drawing == 262 +== (% style="color:inherit; font-family:inherit" %)2.3 (% style="color:inherit; font-family:inherit; font-size:26px" %)Mechinical Drawing(%%) == 289 289 290 290 291 291 [[image:image-20240714174241-2.png]] ... ... @@ -323,23 +323,17 @@ 323 323 324 324 325 325 * The equipment itself generally does not require daily maintenance. When an obvious fault occurs, please do not open it and repair it yourself. Contact us as soon as possible! 326 - 327 327 * There is an appropriate amount of soaking solution in the protective bottle at the front end of the electrode. The electrode head is soaked in it to keep the glass bulb and the liquid junction activated. When measuring, loosen the bottle cap, pull out the electrode, and rinse it with pure water before use. 328 - 329 329 * Preparation of electrode soaking solution: Take a packet of PH4.00 buffer, dissolve it in 250 ml of pure water, and soak it in 3M potassium chloride solution. The preparation is as follows: Take 25 grams of analytical pure potassium chloride and dissolve it in 100 ml of pure water. 330 - 331 331 * The glass bulb at the front end of the electrode cannot come into contact with hard objects. Any damage and scratches will make the electrode ineffective. 332 - 333 333 * Before measurement, the bubbles in the electrode glass bulb should be shaken off, otherwise it will affect the measurement. When measuring, the electrode should be stirred in the measured solution and then placed still to accelerate the response. 334 - 335 335 * The electrode should be cleaned with deionized water before and after measurement to ensure accuracy. 336 - 337 337 * After long-term use, the pH electrode will become passivated, which is characterized by a decrease in sensitivity gradient, slow response, and inaccurate readings. At this time, the bulb at the bottom of the electrode can be soaked in 0.1M dilute hydrochloric acid for 24 hours (0.1M dilute hydrochloric acid preparation: 9 ml of hydrochloric acid is diluted to 1000 ml with distilled water), and then soaked in 3.3M potassium chloride solution for 24 hours. If the pH electrode is seriously passivated and soaking in 0.1M hydrochloric acid has no effect, the pH electrode bulb can be soaked in 4% HF (hydrofluoric acid) for 3-5 seconds, washed with pure water, and then soaked in 3.3M potassium chloride solution for 24 hours to restore its performance. 338 - 339 339 * Glass bulb contamination or liquid junction blockage can also cause electrode passivation. At this time, it should be cleaned with an appropriate solution according to the nature of the contaminant. 307 +* ((( 308 +The equipment should be calibrated before each use. For long-term use, it is recommended to calibrate once every 3 months. The calibration frequency should be adjusted appropriately according to different application conditions (degree of dirt in the application, deposition of chemical substances, etc.). After aging, the electrodes should be replaced in time. 309 +))) 340 340 341 -* The equipment should be calibrated before each use. For long-term use, it is recommended to calibrate once every 3 months. The calibration frequency should be adjusted appropriately according to different application conditions (degree of dirt in the application, deposition of chemical substances, etc.). After aging, the electrodes should be replaced in time. 342 - 343 343 == 2.6 RS485 Commands == 344 344 345 345 ... ... @@ -410,7 +410,7 @@ 410 410 411 411 If the sensor receives correctly, the following data will be returned, slave → host 412 412 413 -(% border="1" cellspacing="3" style="background-color:#f2f2f2; 381 +(% border="1" cellspacing="3" style="background-color:#f2f2f2;width:518px" %) 414 414 |=(% style="width: 44px;background-color:#4F81BD;color:white" %)Address|=(% style="width: 79px; background-color: rgb(79, 129, 189); color: white;" %)Function code|=(% style="width: 79px; background-color: rgb(79, 129, 189); color: white;" %)Data length|=(% style="width: 79px; background-color: rgb(79, 129, 189); color: white;" %)Register 0 Data high|=(% style="width: 79px; background-color: rgb(79, 129, 189); color: white;" %)Register 0 Data low|=(% style="width: 79px; background-color: rgb(79, 129, 189); color: white;" %)CRC16 low|=(% style="width: 79px; background-color: rgb(79, 129, 189); color: white;" %)CRC16 high 415 415 |(% style="width:99px" %)0X10|(% style="width:72px" %)0X03|(% style="width:68px" %)0X02|(% style="width:70px" %)0X02|(% style="width:72px" %)0XAE|(% style="width:56px" %)0XC4|(% style="width:56px" %)0X9B 416 416 ... ... @@ -425,13 +425,11 @@ 425 425 426 426 427 427 This device uses three-point calibration, and three known pH standard solutions need to be prepared. 428 - 429 -(% style="color:blue" %)**The calibration steps are as follows:** 430 - 396 +**The calibration steps are as follows:** 431 431 (1) Place the electrode in distilled water to clean it, and then place it in 9.18 standard buffer solution. After the data stabilizes, enter the following calibration command, and the 9.18 calibration is completed. 432 432 433 433 (% border="1" cellspacing="3" style="background-color:#f2f2f2; width:518px" %) 434 -|=(% style="width: 6 1px; background-color: rgb(79, 129, 189); color: white;" %)Address|=(% style="width: 72px; background-color: rgb(79, 129, 189); color: white;" %)Function code|=(% style="width: 66px; background-color: rgb(79, 129, 189); color: white;" %)Address high|=(% style="width: 68px; background-color: rgb(79, 129, 189); color: white;" %)Address low|=(% style="width: 72px; background-color: rgb(79, 129, 189); color: white;" %)Quantity high|=(% style="width: 70px; background-color: rgb(79, 129, 189); color: white;" %)Quantity low|=(% style="width: 55px; background-color: rgb(79, 129, 189); color: white;" %)CRC16 low|=(% style="width: 55px; background-color: rgb(79, 129, 189); color: white;" %)CRC16 high400 +|=(% style="width: 64px; background-color: rgb(79, 129, 189); color: white;" %)Address|=(% style="width: 72px; background-color: rgb(79, 129, 189); color: white;" %)Function code|=(% style="width: 66px; background-color: rgb(79, 129, 189); color: white;" %)Address high|=(% style="width: 68px; background-color: rgb(79, 129, 189); color: white;" %)Address low|=(% style="width: 72px; background-color: rgb(79, 129, 189); color: white;" %)Quantity high|=(% style="width: 70px; background-color: rgb(79, 129, 189); color: white;" %)Quantity low|=(% style="width: 55px; background-color: rgb(79, 129, 189); color: white;" %)CRC16 low|=(% style="width: 55px; background-color: rgb(79, 129, 189); color: white;" %)CRC16 high 435 435 |(% style="width:64px" %)0X10|(% style="width:72px" %)0X06|(% style="width:66px" %)((( 436 436 0X00 437 437 )))|(% style="width:68px" %)0X20|(% style="width:72px" %)0XFF|(% style="width:70px" %)0XFF|(% style="width:55px" %)0X8A|(% style="width:55px" %)((( ... ... @@ -441,7 +441,7 @@ 441 441 (2) Wash the electrode in distilled water and place it in 6.86 standard buffer. After the data stabilizes, enter the following calibration command. The 6.86 calibration is completed. 442 442 443 443 (% border="1" cellspacing="3" style="background-color:#f2f2f2; width:518px" %) 444 -|=(% style="width: 6 1px; background-color: rgb(79, 129, 189); color: white;" %)Address|=(% style="width: 72px; background-color: rgb(79, 129, 189); color: white;" %)Function code|=(% style="width: 66px; background-color: rgb(79, 129, 189); color: white;" %)Address high|=(% style="width: 68px; background-color: rgb(79, 129, 189); color: white;" %)Address low|=(% style="width: 72px; background-color: rgb(79, 129, 189); color: white;" %)Quantity high|=(% style="width: 70px; background-color: rgb(79, 129, 189); color: white;" %)Quantity low|=(% style="width: 55px; background-color: rgb(79, 129, 189); color: white;" %)CRC16 low|=(% style="width: 55px; background-color: rgb(79, 129, 189); color: white;" %)CRC16 high410 +|=(% style="width: 64px; background-color: rgb(79, 129, 189); color: white;" %)Address|=(% style="width: 72px; background-color: rgb(79, 129, 189); color: white;" %)Function code|=(% style="width: 66px; background-color: rgb(79, 129, 189); color: white;" %)Address high|=(% style="width: 68px; background-color: rgb(79, 129, 189); color: white;" %)Address low|=(% style="width: 72px; background-color: rgb(79, 129, 189); color: white;" %)Quantity high|=(% style="width: 70px; background-color: rgb(79, 129, 189); color: white;" %)Quantity low|=(% style="width: 55px; background-color: rgb(79, 129, 189); color: white;" %)CRC16 low|=(% style="width: 55px; background-color: rgb(79, 129, 189); color: white;" %)CRC16 high 445 445 |(% style="width:64px" %)0X10|(% style="width:72px" %)0X06|(% style="width:66px" %)((( 446 446 0X00 447 447 )))|(% style="width:68px" %)0X21|(% style="width:72px" %)0XFF|(% style="width:70px" %)0XFF|(% style="width:55px" %)0XDB|(% style="width:55px" %)((( ... ... @@ -451,7 +451,7 @@ 451 451 (3) Wash the electrode in distilled water and place it in 4.01 standard buffer. After the data stabilizes, enter the following calibration command, and the 4.00 calibration is completed. 452 452 453 453 (% border="1" cellspacing="3" style="background-color:#f2f2f2; width:518px" %) 454 -|=(% style="width: 6 1px; background-color: rgb(79, 129, 189); color: white;" %)Address|=(% style="width: 72px; background-color: rgb(79, 129, 189); color: white;" %)Function code|=(% style="width: 66px; background-color: rgb(79, 129, 189); color: white;" %)Address high|=(% style="width: 68px; background-color: rgb(79, 129, 189); color: white;" %)Address low|=(% style="width: 72px; background-color: rgb(79, 129, 189); color: white;" %)Quantity high|=(% style="width: 70px; background-color: rgb(79, 129, 189); color: white;" %)Quantity low|=(% style="width: 55px; background-color: rgb(79, 129, 189); color: white;" %)CRC16 low|=(% style="width: 55px; background-color: rgb(79, 129, 189); color: white;" %)CRC16 high420 +|=(% style="width: 64px; background-color: rgb(79, 129, 189); color: white;" %)Address|=(% style="width: 72px; background-color: rgb(79, 129, 189); color: white;" %)Function code|=(% style="width: 66px; background-color: rgb(79, 129, 189); color: white;" %)Address high|=(% style="width: 68px; background-color: rgb(79, 129, 189); color: white;" %)Address low|=(% style="width: 72px; background-color: rgb(79, 129, 189); color: white;" %)Quantity high|=(% style="width: 70px; background-color: rgb(79, 129, 189); color: white;" %)Quantity low|=(% style="width: 55px; background-color: rgb(79, 129, 189); color: white;" %)CRC16 low|=(% style="width: 55px; background-color: rgb(79, 129, 189); color: white;" %)CRC16 high 455 455 |(% style="width:64px" %)0X10|(% style="width:72px" %)0X06|(% style="width:66px" %)((( 456 456 0X00 457 457 )))|(% style="width:68px" %)0X22|(% style="width:72px" %)0XFF|(% style="width:70px" %)0XFF|(% style="width:55px" %)0X2B|(% style="width:55px" %)((( ... ... @@ -465,53 +465,38 @@ 465 465 466 466 == 3.1 Specification == 467 467 468 - 469 469 * **Power Input**: DC7~~30 470 - 471 471 * **Measuring range**:** **-1999~~1999mV 472 - 473 -* **Resolution**: 1mV 474 - 436 +**Resolution**: 1mV 475 475 * **Interface**: RS485. 9600 Baud Rate 476 - 477 477 * **Measurement error**: ±3mV 478 - 479 479 * **Stability**: ≤2mv/24 hours 480 - 481 -* **Working environment:** 482 -** Ambient Temperature: 0–60°C 483 -** Relative Humidity: <85% RH(Specifically refers to the cable male and female) 484 - 440 +* **Equipment working conditions**: Ambient temperature: 0-60℃ Relative humidity: <85%RH 485 485 * **IP Rated**: IP68 486 - 487 487 * **Max Pressure**: 0.6MPa 488 488 489 489 == 3.2 Wiring == 490 490 491 - 492 492 [[image:image-20240720172620-3.png||height="378" width="620"]] 493 493 494 494 495 495 == 3.3 Mechinical Drawing == 496 496 497 - 498 498 [[image:image-20240714174241-2.png]] 499 499 500 - 501 501 == 3.4 Installation Notice == 502 502 503 - 504 504 Do not power on while connect the cables. Double check the wiring before power on. 505 505 506 - **Installation Photo as reference:**457 +Installation Photo as reference: 507 507 508 - (% style="color:blue" %)** Submerged installation:**459 +**~ Submerged installation:** 509 509 510 510 The lead wire of the equipment passes through the waterproof pipe, and the 3/4 thread on the top of the equipment is connected to the 3/4 thread of the waterproof pipe with raw tape. Ensure that the top of the equipment and the equipment wire are not flooded. 511 511 512 512 [[image:image-20240718191348-6.png]] 513 513 514 - (% style="color:blue" %)** Pipeline installation:**465 +**~ Pipeline installation:** 515 515 516 516 Connect the equipment to the pipeline through the 3/4 thread. 517 517 ... ... @@ -539,7 +539,6 @@ 539 539 540 540 (9) The equipment should be calibrated before each use. It is recommended to calibrate once every 3 months for long-term use. The calibration frequency should be adjusted appropriately according to different application conditions (degree of dirt in the application, deposition of chemical substances, etc.). After aging, the electrodes should be replaced in time. 541 541 542 - 543 543 == 3.6 RS485 Commands == 544 544 545 545 ... ... @@ -546,43 +546,38 @@ 546 546 RS485 signaldefault address 0x13 547 547 Standard Modbus-RTU protocol, baud rate: 9600; check bit: none; data bit: 8; stop bit: 1 548 548 549 - 550 550 === 3.6.1 Query address === 551 551 501 +send 552 552 553 -**send:** 554 - 555 -(% border="1" cellspacing="3" style="background-color:#f2f2f2; width:518px" %) 556 -|=(% style="width: 64.75px;background-color:#4F81BD;color:white" %)Original address|=(% style="width: 64.75px;background-color:#4F81BD;color:white" %)Function code|=(% style="width: 64.75px;background-color:#4F81BD;color:white" %)Address high|=(% style="width: 64.75px;background-color:#4F81BD;color:white" %)Address low|=(% style="width: 64.75px;background-color:#4F81BD;color:white" %)Quantity high|=(% style="width: 64.75px; background-color: rgb(79, 129, 189); color: white;" %)Quantity low|=(% style="width: 64.75px;background-color:#4F81BD;color:white" %)CRC16 low|=(% style="width: 64.75px;background-color:#4F81BD;color:white" %)CRC16 high 503 +(% border="1" cellspacing="3" style="background-color:#f2f2f2; width:676.25px" %) 504 +|=(% style="width: 50px;background-color:#4F81BD;color:white" %)Original address|=(% style="width: 50px;background-color:#4F81BD;color:white" %)Function code|=(% style="width: 50px;background-color:#4F81BD;color:white" %)Address high|=(% style="width: 50px;background-color:#4F81BD;color:white" %)Address low|=(% style="width: 50px;background-color:#4F81BD;color:white" %)Quantity high|=(% style="width: 1px; background-color: rgb(79, 129, 189); color: white;" %)Quantity low|=(% style="width: 50px;background-color:#4F81BD;color:white" %)CRC16 low|=(% style="width: 50px;background-color:#4F81BD;color:white" %)CRC16 high 557 557 |(% style="width:99px" %)0XFE |(% style="width:112px" %)0X03|(% style="width:135px" %)0X00|(% style="width:126px" %)0X50|(% style="width:85px" %)0X00|(% style="width:1px" %)0X00|(% style="width:1px" %)0X51|(% style="width:1px" %)0XD4 558 558 559 - **response:**507 +response 560 560 561 -(% border="1" cellspacing="3" style="background-color:#f2f2f2; width:51 8px" %)562 -|=(% style="width: 103.6px;background-color:#4F81BD;color:white" %)New address|=(% style="width:103.6px;background-color:#4F81BD;color:white" %)Function code|=(% style="width: 103.6px; background-color: rgb(79, 129, 189); color: white;" %)Data length|=(% style="width:103.6px; background-color: rgb(79, 129, 189); color: white;" %)CRC16 low|=(% style="width: 103.6px; background-color: rgb(79, 129, 189); color: white;" %)CRC16 high509 +(% border="1" cellspacing="3" style="background-color:#f2f2f2; width:561.333px" %) 510 +|=(% style="width: 50px;background-color:#4F81BD;color:white" %)New address|=(% style="width: 50px;background-color:#4F81BD;color:white" %)Function code|=(% style="width: 106px; background-color: rgb(79, 129, 189); color: white;" %)Data length|=(% style="width: 93px; background-color: rgb(79, 129, 189); color: white;" %)CRC16 low|=(% style="width: 104px; background-color: rgb(79, 129, 189); color: white;" %)CRC16 high 563 563 |(% style="width:99px" %)0X01|(% style="width:112px" %)0X03|(% style="width:106px" %)0X00|(% style="width:93px" %)0X20|(% style="width:104px" %)0XF0 564 564 565 565 === 3.6.2 Change address === 566 566 567 - 568 568 For example: Change the address of the sensor with address 1 to 2, master → slave 569 569 570 -(% border="1" cellspacing="3" style="background-color:#f2f2f2; width:5 18px" %)571 -|=(% style="width: 64.75px;background-color:#4F81BD;color:white" %)Original address|=(% style="width:64.75px;background-color:#4F81BD;color:white" %)Function code|=(% style="width:64.75px;background-color:#4F81BD;color:white" %)Address high|=(% style="width:64.75px;background-color:#4F81BD;color:white" %)Address low|=(% style="width:64.75px;background-color:#4F81BD;color:white" %)Quantity high|=(% style="width:64.75px; background-color: rgb(79, 129, 189); color: white;" %)Quantity low|=(% style="width:64.75px;background-color:#4F81BD;color:white" %)CRC16 low|=(% style="width:64.75px;background-color:#4F81BD;color:white" %)CRC16 high517 +(% border="1" cellspacing="3" style="background-color:#f2f2f2; width:676.25px" %) 518 +|=(% style="width: 50px;background-color:#4F81BD;color:white" %)Original address|=(% style="width: 50px;background-color:#4F81BD;color:white" %)Function code|=(% style="width: 50px;background-color:#4F81BD;color:white" %)Address high|=(% style="width: 50px;background-color:#4F81BD;color:white" %)Address low|=(% style="width: 50px;background-color:#4F81BD;color:white" %)Quantity high|=(% style="width: 1px; background-color: rgb(79, 129, 189); color: white;" %)Quantity low|=(% style="width: 50px;background-color:#4F81BD;color:white" %)CRC16 low|=(% style="width: 50px;background-color:#4F81BD;color:white" %)CRC16 high 572 572 |(% style="width:99px" %)0X01|(% style="width:112px" %)0X06|(% style="width:135px" %)0X00|(% style="width:126px" %)0X50|(% style="width:85px" %)0X00|(% style="width:1px" %)0X02|(% style="width:1px" %)0X08|(% style="width:1px" %)0X1A 573 573 574 574 If the sensor receives correctly, the data is returned along the original path. 522 +Note: If you forget the original address of the sensor, you can use the broadcast address 0XFE instead. When using 0XFE, the host can only connect to one slave, and the return address is still the original address, which can be used as a method of address query. 575 575 576 -(% style="color:red" %)**Note: If you forget the original address of the sensor, you can use the broadcast address 0XFE instead. When using 0XFE, the host can only connect to one slave, and the return address is still the original address, which can be used as a method of address query.** 577 577 578 - 579 579 === 3.6.3 Modify intercept === 580 580 527 +send 581 581 582 -**send:** 583 - 584 -(% border="1" cellspacing="3" style="background-color:#f2f2f2; width:518px" %) 585 -|=(% style="width: 42px;background-color:#4F81BD;color:white" %)Address|=(% style="width: 68px;background-color:#4F81BD;color:white" %)Function code|=(% style="width: 68px; background-color: rgb(79, 129, 189); color: white;" %)Starting register address high|=(% style="width: 68px; background-color: rgb(79, 129, 189); color: white;" %)Starting register address low|=(% style="width: 68px; background-color: rgb(79, 129, 189); color: white;" %)Register Length high|=(% style="width: 68px; background-color: rgb(79, 129, 189); color: white;" %)Register Length low|=(% style="width: 68px;background-color:#4F81BD;color:white" %)CRC16 low|=(% style="width: 68px;background-color:#4F81BD;color:white" %)CRC16 high 529 +(% border="1" cellspacing="3" style="background-color:#f2f2f2; width:676.25px" %) 530 +|=(% style="width: 50px;background-color:#4F81BD;color:white" %)Address|=(% style="width: 50px;background-color:#4F81BD;color:white" %)Function code|=(% style="width: 67px; background-color: rgb(79, 129, 189); color: white;" %)Starting register address high|=(% style="width: 68px; background-color: rgb(79, 129, 189); color: white;" %)Starting register address low|=(% style="width: 69px; background-color: rgb(79, 129, 189); color: white;" %)Register Length high|=(% style="width: 66px; background-color: rgb(79, 129, 189); color: white;" %)Register Length low|=(% style="width: 50px;background-color:#4F81BD;color:white" %)CRC16 low|=(% style="width: 50px;background-color:#4F81BD;color:white" %)CRC16 high 586 586 |(% style="width:99px" %)0X13|(% style="width:112px" %)0X06|(% style="width:135px" %)0X00|(% style="width:126px" %)0X10|(% style="width:85px" %)0X00|(% style="width:1px" %)0X64|(% style="width:1px" %)0X8A|(% style="width:1px" %)((( 587 587 0X96 588 588 ))) ... ... @@ -589,10 +589,10 @@ 589 589 590 590 Change the intercept of the sensor with address 1 to 10 (default 0), which is 0X000A in the command. 591 591 592 - **response:**537 +response 593 593 594 -(% border="1" cellspacing="3" style="background-color:#f2f2f2; width:5 18px" %)595 -|=(% style="width: 42px;background-color:#4F81BD;color:white" %)Address|=(% style="width:68px;background-color:#4F81BD;color:white" %)Function code|=(% style="width:68px;background-color:#4F81BD;color:white" %)Address high|=(% style="width:68px;background-color:#4F81BD;color:white" %)Address low|=(% style="width:68px;background-color:#4F81BD;color:white" %)Quantity high|=(% style="width:68px; background-color: rgb(79, 129, 189); color: white;" %)Quantity low|=(% style="width:68px;background-color:#4F81BD;color:white" %)CRC16 low|=(% style="width:68px;background-color:#4F81BD;color:white" %)CRC16 high539 +(% border="1" cellspacing="3" style="background-color:#f2f2f2; width:676.25px" %) 540 +|=(% style="width: 50px;background-color:#4F81BD;color:white" %)Address|=(% style="width: 50px;background-color:#4F81BD;color:white" %)Function code|=(% style="width: 50px;background-color:#4F81BD;color:white" %)Address high|=(% style="width: 50px;background-color:#4F81BD;color:white" %)Address low|=(% style="width: 50px;background-color:#4F81BD;color:white" %)Quantity high|=(% style="width: 1px; background-color: rgb(79, 129, 189); color: white;" %)Quantity low|=(% style="width: 50px;background-color:#4F81BD;color:white" %)CRC16 low|=(% style="width: 50px;background-color:#4F81BD;color:white" %)CRC16 high 596 596 |(% style="width:99px" %)0X13|(% style="width:112px" %)0X06|(% style="width:135px" %)((( 597 597 0X00 598 598 )))|(% style="width:126px" %)0X10|(% style="width:85px" %)0X00|(% style="width:1px" %)0X64|(% style="width:1px" %)0X8A|(% style="width:1px" %)((( ... ... @@ -604,14 +604,14 @@ 604 604 605 605 Query the data (ORP) of the sensor (address 13), host → slave 606 606 607 -(% border="1" cellspacing="3" style="background-color:#f2f2f2; width:5 18px" %)608 -|=(% style="width: 42px;background-color:#4F81BD;color:white" %)Address|=(% style="width:68px; background-color: rgb(79, 129, 189); color: white;" %)Function code|=(% style="width: 68px; background-color: rgb(79, 129, 189); color: white;" %)Starting register address high|=(% style="width: 68px; background-color: rgb(79, 129, 189); color: white;" %)Starting register address low|=(% style="width:68px; background-color: rgb(79, 129, 189); color: white;" %)Register length high|=(% style="width:68px; background-color: rgb(79, 129, 189); color: white;" %)Register length low|=(% style="width: 68px; background-color: rgb(79, 129, 189); color: white;" %)CRC16 low|=(% style="width: 68px; background-color: rgb(79, 129, 189); color: white;" %)CRC16 high552 +(% border="1" cellspacing="3" style="background-color:#f2f2f2; width:599.333px" %) 553 +|=(% style="width: 50px;background-color:#4F81BD;color:white" %)Address|=(% style="width: 72px; background-color: rgb(79, 129, 189); color: white;" %)Function code|=(% style="width: 64px; background-color: rgb(79, 129, 189); color: white;" %)Starting register address high|=(% style="width: 68px; background-color: rgb(79, 129, 189); color: white;" %)Starting register address low|=(% style="width: 70px; background-color: rgb(79, 129, 189); color: white;" %)Register length high|=(% style="width: 72px; background-color: rgb(79, 129, 189); color: white;" %)Register length low|=(% style="width: 56px; background-color: rgb(79, 129, 189); color: white;" %)CRC16 low|=(% style="width: 56px; background-color: rgb(79, 129, 189); color: white;" %)CRC16 high 609 609 |(% style="width:99px" %)0X13|(% style="width:72px" %)0X03|(% style="width:64px" %)0X00|(% style="width:68px" %)0X00|(% style="width:70px" %)0X00|(% style="width:72px" %)0X01|(% style="width:56px" %)0X87|(% style="width:56px" %)0X78 610 610 611 611 If the sensor receives correctly, the following data will be returned, slave → host 612 612 613 -(% border="1" cellspacing="3" style="background-color:#f2f2f2; width:5 18px" %)614 -|=(% style="width: 44px;background-color:#4F81BD;color:white" %)Address|=(% style="width: 79px; background-color: rgb(79, 129, 189); color: white;" %)Function code|=(% style="width:79px; background-color: rgb(79, 129, 189); color: white;" %)Data length|=(% style="width:79px; background-color: rgb(79, 129, 189); color: white;" %)Register 0 Data high|=(% style="width: 79px; background-color: rgb(79, 129, 189); color: white;" %)Register 0 Data low|=(% style="width:79px; background-color: rgb(79, 129, 189); color: white;" %)CRC16 low|=(% style="width:79px; background-color: rgb(79, 129, 189); color: white;" %)CRC16 high558 +(% border="1" cellspacing="3" style="background-color:#f2f2f2; width:599.333px" %) 559 +|=(% style="width: 50px;background-color:#4F81BD;color:white" %)Address|=(% style="width: 72px; background-color: rgb(79, 129, 189); color: white;" %)Function code|=(% style="width: 68px; background-color: rgb(79, 129, 189); color: white;" %)Data length|=(% style="width: 68px; background-color: rgb(79, 129, 189); color: white;" %)Register 0 Data high|=(% style="width: 70px; background-color: rgb(79, 129, 189); color: white;" %)Register 0 Data low|=(% style="width: 56px; background-color: rgb(79, 129, 189); color: white;" %)CRC16 low|=(% style="width: 56px; background-color: rgb(79, 129, 189); color: white;" %)CRC16 high 615 615 |(% style="width:99px" %)0X13|(% style="width:72px" %)0X03|(% style="width:68px" %)0X02|(% style="width:70px" %)0X02|(% style="width:72px" %)0XAE|(% style="width:56px" %)0X80|(% style="width:56px" %)0X9B 616 616 617 617 The query data command is 13 03 00 00 00 01 87 78 ... ... @@ -623,13 +623,12 @@ 623 623 624 624 === 3.6.5 Calibration Method === 625 625 626 - 627 627 This device uses two-point calibration, and two known ORP standard solutions need to be prepared. The calibration steps are as follows: 628 628 (1) Place the electrode in distilled water to clean it, and then place it in 86mV standard buffer solution. After the data stabilizes, 629 629 enter the following calibration command, and the 86mV point calibration is completed; 630 630 631 -(% border="1" cellspacing="3" style="background-color:#f2f2f2; width:5 18px" %)632 -|=(% style="width: 4 2px; background-color: rgb(79, 129, 189); color: white;" %)Address|=(% style="width:68px; background-color: rgb(79, 129, 189); color: white;" %)Function code|=(% style="width: 68px; background-color: rgb(79, 129, 189); color: white;" %)Address high|=(% style="width: 68px; background-color: rgb(79, 129, 189); color: white;" %)Address low|=(% style="width:68px; background-color: rgb(79, 129, 189); color: white;" %)Quantity high|=(% style="width:68px; background-color: rgb(79, 129, 189); color: white;" %)Quantity low|=(% style="width:68px; background-color: rgb(79, 129, 189); color: white;" %)CRC16 low|=(% style="width:68px; background-color: rgb(79, 129, 189); color: white;" %)CRC16 high575 +(% border="1" cellspacing="3" style="background-color:#f2f2f2; width:575.333px" %) 576 +|=(% style="width: 64px; background-color: rgb(79, 129, 189); color: white;" %)Address|=(% style="width: 72px; background-color: rgb(79, 129, 189); color: white;" %)Function code|=(% style="width: 66px; background-color: rgb(79, 129, 189); color: white;" %)Address high|=(% style="width: 68px; background-color: rgb(79, 129, 189); color: white;" %)Address low|=(% style="width: 72px; background-color: rgb(79, 129, 189); color: white;" %)Quantity high|=(% style="width: 70px; background-color: rgb(79, 129, 189); color: white;" %)Quantity low|=(% style="width: 55px; background-color: rgb(79, 129, 189); color: white;" %)CRC16 low|=(% style="width: 55px; background-color: rgb(79, 129, 189); color: white;" %)CRC16 high 633 633 |(% style="width:64px" %)0X13|(% style="width:72px" %)0X06|(% style="width:66px" %)((( 634 634 0X00 635 635 )))|(% style="width:68px" %)0X24|(% style="width:72px" %)0XFF|(% style="width:70px" %)0XFF|(% style="width:55px" %)0XCB|(% style="width:55px" %)((( ... ... @@ -638,9 +638,9 @@ 638 638 639 639 Wash the electrode in distilled water and place it in 256mV standard buffer. After the data is stable, enter the following calibration command to complete the 256mV point calibration. 640 640 641 -(% border="1" cellspacing="3" style="background-color:#f2f2f2; width:5 18px" %)642 -|=(% style="width: 4 2px; background-color: rgb(79, 129, 189); color: white;" %)Address|=(% style="width:68px; background-color: rgb(79, 129, 189); color: white;" %)Function code|=(% style="width: 68px; background-color: rgb(79, 129, 189); color: white;" %)Address high|=(% style="width: 68px; background-color: rgb(79, 129, 189); color: white;" %)Address low|=(% style="width:68px; background-color: rgb(79, 129, 189); color: white;" %)Quantity high|=(% style="width:68px; background-color: rgb(79, 129, 189); color: white;" %)Quantity low|=(% style="width:68px; background-color: rgb(79, 129, 189); color: white;" %)CRC16 low|=(% style="width:68px; background-color: rgb(79, 129, 189); color: white;" %)CRC16 high643 -|(% style="width:6 8px" %)0X13|(% style="width:72px" %)0X06|(% style="width:66px" %)(((585 +(% border="1" cellspacing="3" style="background-color:#f2f2f2; width:575.333px" %) 586 +|=(% style="width: 64px; background-color: rgb(79, 129, 189); color: white;" %)Address|=(% style="width: 72px; background-color: rgb(79, 129, 189); color: white;" %)Function code|=(% style="width: 66px; background-color: rgb(79, 129, 189); color: white;" %)Address high|=(% style="width: 68px; background-color: rgb(79, 129, 189); color: white;" %)Address low|=(% style="width: 72px; background-color: rgb(79, 129, 189); color: white;" %)Quantity high|=(% style="width: 70px; background-color: rgb(79, 129, 189); color: white;" %)Quantity low|=(% style="width: 55px; background-color: rgb(79, 129, 189); color: white;" %)CRC16 low|=(% style="width: 55px; background-color: rgb(79, 129, 189); color: white;" %)CRC16 high 587 +|(% style="width:64px" %)0X13|(% style="width:72px" %)0X06|(% style="width:66px" %)((( 644 644 0X00 645 645 )))|(% style="width:68px" %)0X25|(% style="width:72px" %)0XFF|(% style="width:70px" %)0XFF|(% style="width:55px" %)0X9A|(% style="width:55px" %)((( 646 646 0XC3 ... ... @@ -648,39 +648,29 @@ 648 648 649 649 = 4. DR-DO1 Dissolved Oxygen Sensor = 650 650 651 -== 4.1 Specification == 652 652 653 653 654 - ***Measuringrange**: 0-20mg/L, 0–50℃597 +== 4.1 Specification == 655 655 656 -* **Accuracy**: 3%, ±0.5℃ 657 657 600 +* **Measuring range**: 0-20mg/L, 0-50℃ 601 +* **Accuracy**: 3%, ±0.5℃ 658 658 * **Resolution**: 0.01 mg/L, 0.01℃ 659 - 660 660 * **Maximum operating pressure**: 6 bar 661 - 662 662 * **Output signal**: A: 4-20mA (current loop)B: RS485 (standard Modbus-RTU protocol, device default address: 01) 663 - 664 664 * **Power supply voltage**: 5-24V DC 665 - 666 -* **Working environment:** 667 -** Ambient Temperature: 0–60°C 668 -** Relative Humidity: <85% RH(Specifically refers to the cable male and female) 669 - 606 +* **Working environment**: temperature 0-60℃; humidity <95%RH 670 670 * **Power consumption**: ≤0.5W 671 671 672 672 == 4.2 wiring == 673 673 674 - 675 675 [[image:image-20240720172632-4.png||height="390" width="640"]] 676 676 677 677 678 -== 4.3 Impedance requirements for current signals == 614 +== (% id="cke_bm_224234S" style="display:none" %) (%%)4.3 Impedance requirements for current signals == 679 679 616 +[[image:image-20240718195414-8.png||height="100" width="575"]] 680 680 681 -(% border="1" cellspacing="3" style="background-color:#f2f2f2; width:400px" %) 682 -|(% style="width:132px" %)**Supply Voltage**|(% style="width:67px" %)**9V**|(% style="width:67px" %)**12V**|(% style="width:67px" %)**20V**|(% style="width:67px" %)**24V** 683 -|(% style="width:132px" %)**Max Impedance**|(% style="width:65px" %)**<250Ω**|(% style="width:67px" %)**<400Ω**|(% style="width:67px" %)**<500Ω**|(% style="width:65px" %)**<900Ω** 684 684 685 685 == 4.4 Mechinical Drawing == 686 686 ... ... @@ -690,52 +690,46 @@ 690 690 691 691 == 4.5 Instructions for use and maintenance == 692 692 693 - 694 694 * It can be directly put into water without adding a protective tube, ensuring the long-term stability, reliability and accuracy of the sensor. 695 - 696 696 * If the water conditions are complex and you want accurate data, you need to wipe the sensor probe frequently. 697 697 698 698 == 4.6 RS485 Commands == 699 699 700 - 701 701 RS485 signaldefault address 0x14 702 702 Standard Modbus-RTU protocol, baud rate: 9600; check bit: none; data bit: 8; stop bit: 1 703 703 704 - 705 705 === 4.6.1 Query address === 706 706 637 +send 707 707 708 -**send:** 709 - 710 -(% border="1" cellspacing="3" style="background-color:#f2f2f2; width:518px" %) 711 -|=(% style="width: 64.75px;background-color:#4F81BD;color:white" %)Original address|=(% style="width: 64.75px; background-color: rgb(79, 129, 189); color: white;" %)Function code|=(% style="width: 64.75px; background-color: rgb(79, 129, 189); color: white;" %)Register address high|=(% style="width: 64.75px; background-color: rgb(79, 129, 189); color: white;" %)Register address low|=(% style="width: 64.75px; background-color: rgb(79, 129, 189); color: white;" %)Register length high|=(% style="width: 64.75px; background-color: rgb(79, 129, 189); color: white;" %)Register length low|=(% style="width: 64.75px; background-color: rgb(79, 129, 189); color: white;" %)CRC16 low|=(% style="width: 64.75px; background-color: rgb(79, 129, 189); color: white;" %)CRC16 high 639 +(% border="1" cellspacing="3" style="background-color:#f2f2f2; width:599.333px" %) 640 +|=(% style="width: 50px;background-color:#4F81BD;color:white" %)Original address|=(% style="width: 72px; background-color: rgb(79, 129, 189); color: white;" %)Function code|=(% style="width: 64px; background-color: rgb(79, 129, 189); color: white;" %)Register address high|=(% style="width: 68px; background-color: rgb(79, 129, 189); color: white;" %)Register address low|=(% style="width: 70px; background-color: rgb(79, 129, 189); color: white;" %)Register length high|=(% style="width: 72px; background-color: rgb(79, 129, 189); color: white;" %)Register length low|=(% style="width: 56px; background-color: rgb(79, 129, 189); color: white;" %)CRC16 low|=(% style="width: 56px; background-color: rgb(79, 129, 189); color: white;" %)CRC16 high 712 712 |(% style="width:99px" %)0XFF|(% style="width:72px" %)0X03|(% style="width:64px" %)0X00|(% style="width:68px" %)0X0A|(% style="width:70px" %)0X00|(% style="width:72px" %)0X02|(% style="width:56px" %)0XF1|(% style="width:56px" %)0XD7 713 713 714 714 If you forget the original address of the sensor, you can use the broadcast address 0XFF instead. When using 0XFE, the host can only connect to one slave, which can be used as a method of address query. 715 715 716 716 717 - **response:**646 +response 718 718 719 719 Register 0 data high and register 0 data low indicate the actual address of the sensor: 1 720 720 Register 1 data high and register 1 data low indicate the sensor version 721 721 722 -(% border="1" cellspacing="3" style="background-color:#f2f2f2; width:5 18px" %)723 -|=(% style="width: 40px;background-color:#4F81BD;color:white" %)Address|=(% style="width:59.75px; background-color: rgb(79, 129, 189); color: white;" %)Function code|=(% style="width:59.75px; background-color: rgb(79, 129, 189); color: white;" %)Data length|=(% style="width:59.75px; background-color: rgb(79, 129, 189); color: white;" %)Register 0 Data high|=(% style="width:59.75px; background-color: rgb(79, 129, 189); color: white;" %)Register 0 Data low|=(% style="width:59.75px; background-color: rgb(79, 129, 189); color: white;" %)Register 1 Data high|=(% style="width:59.75px; background-color: rgb(79, 129, 189); color: white;" %)Register 1 Data low|=(% style="width: 59.75px; background-color: rgb(79, 129, 189); color: white;" %)CRC16 low|=(% style="width: 59.75px; background-color: rgb(79, 129, 189); color: white;" %)CRC16 high651 +(% border="1" cellspacing="3" style="background-color:#f2f2f2; width:599.333px" %) 652 +|=(% style="width: 50px;background-color:#4F81BD;color:white" %)Address|=(% style="width: 72px; background-color: rgb(79, 129, 189); color: white;" %)Function code|=(% style="width: 64px; background-color: rgb(79, 129, 189); color: white;" %)Data length|=(% style="width: 68px; background-color: rgb(79, 129, 189); color: white;" %)Register 0 Data high|=(% style="width: 70px; background-color: rgb(79, 129, 189); color: white;" %)Register 0 Data low|=(% style="width: 70px; background-color: rgb(79, 129, 189); color: white;" %)Register 1 Data high|=(% style="width: 72px; background-color: rgb(79, 129, 189); color: white;" %)Register 1 Data low|=(% style="width: 56px; background-color: rgb(79, 129, 189); color: white;" %)CRC16 low|=(% style="width: 56px; background-color: rgb(79, 129, 189); color: white;" %)CRC16 high 724 724 |(% style="width:99px" %)0XFF|(% style="width:72px" %)0X03|(% style="width:64px" %)0X04|(% style="width:68px" %)0X00|(% style="width:70px" %)0X01|(% style="width:72px" %)0X00|(% style="width:56px" %)0X00|(% style="width:56px" %)0XB4|(% style="width:56px" %)0X3C 725 725 726 726 === 4.6.2 Change address === 727 727 728 - 729 729 For example: Change the address of the sensor with address 1 to 2(address range: 1-119), master → slave 730 730 731 -(% border="1" cellspacing="3" style="background-color:#f2f2f2; width: 518px" %)732 -|=(% style="width: 40px; background-color: rgb(79, 129, 189); color: white;" %)Original address|=(% style="width:40px; background-color: rgb(79, 129, 189); color: white;" %)Function code|=(% style="width:40px; background-color: rgb(79, 129, 189); color: white;" %)Starting register address high|=(% style="width:40px; background-color: rgb(79, 129, 189); color: white;" %)Starting register address low|=(% style="width:40px; background-color: rgb(79, 129, 189); color: white;" %)Register length high|=(% style="width:40px; background-color: rgb(79, 129, 189); color: white;" %)Register length low|=(% style="width:40px; background-color: rgb(79, 129, 189); color: white;" %)Data length|=(% style="width:40px; background-color: rgb(79, 129, 189); color: white;" %)Start address high|=(% style="width:40px; background-color: rgb(79, 129, 189); color: white;" %)Start address low|=(% style="width:40px; background-color: rgb(79, 129, 189); color: white;" %)Sensor version|=(% style="width:40px; background-color: rgb(79, 129, 189); color: white;" %)Sensor version|=(% style="width:39px; background-color: rgb(79, 129, 189); color: white;" %)CRC16 high|=(% style="width:39px; background-color: rgb(79, 129, 189); color: white;" %)CRC16 low659 +(% border="1" cellspacing="3" style="background-color:#f2f2f2; width:907.333px" %) 660 +|=(% style="width: 67px; background-color: rgb(79, 129, 189); color: white;" %)Original address|=(% style="width: 71px; background-color: rgb(79, 129, 189); color: white;" %)Function code|=(% style="width: 65px; background-color: rgb(79, 129, 189); color: white;" %)Starting register address high|=(% style="width: 65px; background-color: rgb(79, 129, 189); color: white;" %)Starting register address low|=(% style="width: 70px; background-color: rgb(79, 129, 189); color: white;" %)Register length high|=(% style="width: 72px; background-color: rgb(79, 129, 189); color: white;" %)Register length low|=(% style="width: 53px; background-color: rgb(79, 129, 189); color: white;" %)Data length|=(% style="width: 53px; background-color: rgb(79, 129, 189); color: white;" %)Start address high|=(% style="width: 53px; background-color: rgb(79, 129, 189); color: white;" %)Start address low|=(% style="width: 53px; background-color: rgb(79, 129, 189); color: white;" %)Sensor version|=(% style="width: 53px; background-color: rgb(79, 129, 189); color: white;" %)Sensor version|=(% style="width: 56px; background-color: rgb(79, 129, 189); color: white;" %)CRC16 high|=(% style="width: 68px; background-color: rgb(79, 129, 189); color: white;" %)CRC16 low 733 733 |(% style="width:67px" %)0X01|(% style="width:71px" %)0X10|(% style="width:65px" %)0X00|(% style="width:65px" %)0X0A|(% style="width:70px" %)0X00|(% style="width:72px" %)0X02|(% style="width:53px" %)0X04|(% style="width:53px" %)0X00|(% style="width:72px" %)0X02|(% style="width:53px" %)0X00|(% style="width:53px" %)0X00|(% style="width:56px" %)0XD2|(% style="width:53px" %)0X10 734 734 735 - **response:**663 +response 736 736 737 -(% border="1" cellspacing="3" style="background-color:#f2f2f2; width:5 18px" %)738 -|=(% style="width: 42px;background-color:#4F81BD;color:white" %)Address|=(% style="width:68px; background-color: rgb(79, 129, 189); color: white;" %)Function code|=(% style="width: 68px; background-color: rgb(79, 129, 189); color: white;" %)Starting register address high|=(% style="width: 68px; background-color: rgb(79, 129, 189); color: white;" %)Starting register address low|=(% style="width:68px; background-color: rgb(79, 129, 189); color: white;" %)Register length high|=(% style="width:68px; background-color: rgb(79, 129, 189); color: white;" %)Register length low|=(% style="width: 68px; background-color: rgb(79, 129, 189); color: white;" %)CRC16 low|=(% style="width: 68px; background-color: rgb(79, 129, 189); color: white;" %)CRC16 high665 +(% border="1" cellspacing="3" style="background-color:#f2f2f2; width:599.333px" %) 666 +|=(% style="width: 50px;background-color:#4F81BD;color:white" %)Address|=(% style="width: 72px; background-color: rgb(79, 129, 189); color: white;" %)Function code|=(% style="width: 64px; background-color: rgb(79, 129, 189); color: white;" %)Starting register address high|=(% style="width: 68px; background-color: rgb(79, 129, 189); color: white;" %)Starting register address low|=(% style="width: 70px; background-color: rgb(79, 129, 189); color: white;" %)Register length high|=(% style="width: 72px; background-color: rgb(79, 129, 189); color: white;" %)Register length low|=(% style="width: 56px; background-color: rgb(79, 129, 189); color: white;" %)CRC16 low|=(% style="width: 56px; background-color: rgb(79, 129, 189); color: white;" %)CRC16 high 739 739 |(% style="width:99px" %)0X01|(% style="width:72px" %)0X10|(% style="width:64px" %)0X00|(% style="width:68px" %)0X0A|(% style="width:70px" %)0X00|(% style="width:72px" %)0X02|(% style="width:56px" %)0X61|(% style="width:56px" %)0XCA 740 740 741 741 === 4.6.3 Query data === ... ... @@ -743,14 +743,14 @@ 743 743 744 744 Query the data (dissolved oxygen) of the sensor (address 14), host → slave 745 745 746 -(% border="1" cellspacing="3" style="background-color:#f2f2f2; width:5 18px" %)747 -|=(% style="width: 42px;background-color:#4F81BD;color:white" %)Address|=(% style="width:68px; background-color: rgb(79, 129, 189); color: white;" %)Function code|=(% style="width: 68px; background-color: rgb(79, 129, 189); color: white;" %)Starting register address high|=(% style="width: 68px; background-color: rgb(79, 129, 189); color: white;" %)Starting register address low|=(% style="width:68px; background-color: rgb(79, 129, 189); color: white;" %)Register length high|=(% style="width:68px; background-color: rgb(79, 129, 189); color: white;" %)Register length low|=(% style="width: 68px; background-color: rgb(79, 129, 189); color: white;" %)CRC16 low|=(% style="width: 68px; background-color: rgb(79, 129, 189); color: white;" %)CRC16 high674 +(% border="1" cellspacing="3" style="background-color:#f2f2f2; width:599.333px" %) 675 +|=(% style="width: 50px;background-color:#4F81BD;color:white" %)Address|=(% style="width: 72px; background-color: rgb(79, 129, 189); color: white;" %)Function code|=(% style="width: 64px; background-color: rgb(79, 129, 189); color: white;" %)Starting register address high|=(% style="width: 68px; background-color: rgb(79, 129, 189); color: white;" %)Starting register address low|=(% style="width: 70px; background-color: rgb(79, 129, 189); color: white;" %)Register length high|=(% style="width: 72px; background-color: rgb(79, 129, 189); color: white;" %)Register length low|=(% style="width: 56px; background-color: rgb(79, 129, 189); color: white;" %)CRC16 low|=(% style="width: 56px; background-color: rgb(79, 129, 189); color: white;" %)CRC16 high 748 748 |(% style="width:99px" %)0X14|(% style="width:72px" %)0X03|(% style="width:64px" %)0X00|(% style="width:68px" %)0X14|(% style="width:70px" %)0X00|(% style="width:72px" %)0X01|(% style="width:56px" %)0XC6|(% style="width:56px" %)0XCB 749 749 750 750 If the sensor receives correctly, the following data will be returned, slave → host 751 751 752 -(% border="1" cellspacing="3" style="background-color:#f2f2f2; width:5 18px" %)753 -|=(% style="width: 44px;background-color:#4F81BD;color:white" %)Address|=(% style="width: 79px; background-color: rgb(79, 129, 189); color: white;" %)Function code|=(% style="width:79px; background-color: rgb(79, 129, 189); color: white;" %)Data length|=(% style="width:79px; background-color: rgb(79, 129, 189); color: white;" %)Register 0 Data high|=(% style="width: 79px; background-color: rgb(79, 129, 189); color: white;" %)Register 0 Data low|=(% style="width:79px; background-color: rgb(79, 129, 189); color: white;" %)CRC16 low|=(% style="width:79px; background-color: rgb(79, 129, 189); color: white;" %)CRC16 high680 +(% border="1" cellspacing="3" style="background-color:#f2f2f2; width:599.333px" %) 681 +|=(% style="width: 50px;background-color:#4F81BD;color:white" %)Address|=(% style="width: 72px; background-color: rgb(79, 129, 189); color: white;" %)Function code|=(% style="width: 68px; background-color: rgb(79, 129, 189); color: white;" %)Data length|=(% style="width: 68px; background-color: rgb(79, 129, 189); color: white;" %)Register 0 Data high|=(% style="width: 70px; background-color: rgb(79, 129, 189); color: white;" %)Register 0 Data low|=(% style="width: 56px; background-color: rgb(79, 129, 189); color: white;" %)CRC16 low|=(% style="width: 56px; background-color: rgb(79, 129, 189); color: white;" %)CRC16 high 754 754 |(% style="width:99px" %)0X14|(% style="width:72px" %)0X03|(% style="width:68px" %)0X02|(% style="width:70px" %)0X03|(% style="width:72px" %)0X78|(% style="width:56px" %)0XB5|(% style="width:56px" %)0X55 755 755 756 756 After the query, 7 bytes will be returned. For example, the returned data is 14 03 02 (% style="color:red" %)**03 78**(%%) B5 55. 03 78 is the value of dissolved oxygen. ... ... @@ -760,68 +760,54 @@ 760 760 761 761 Query the data (temperature) of the sensor (address 14), host → slave 762 762 763 -(% border="1" cellspacing="3" style="background-color:#f2f2f2; width:5 18px" %)764 -|=(% style="width: 42px;background-color:#4F81BD;color:white" %)Address|=(% style="width:68px; background-color: rgb(79, 129, 189); color: white;" %)Function code|=(% style="width: 68px; background-color: rgb(79, 129, 189); color: white;" %)Starting register address high|=(% style="width: 68px; background-color: rgb(79, 129, 189); color: white;" %)Starting register address low|=(% style="width:68px; background-color: rgb(79, 129, 189); color: white;" %)Register length high|=(% style="width:68px; background-color: rgb(79, 129, 189); color: white;" %)Register length low|=(% style="width: 68px; background-color: rgb(79, 129, 189); color: white;" %)CRC16 low|=(% style="width: 68px; background-color: rgb(79, 129, 189); color: white;" %)CRC16 high691 +(% border="1" cellspacing="3" style="background-color:#f2f2f2; width:599.333px" %) 692 +|=(% style="width: 50px;background-color:#4F81BD;color:white" %)Address|=(% style="width: 72px; background-color: rgb(79, 129, 189); color: white;" %)Function code|=(% style="width: 64px; background-color: rgb(79, 129, 189); color: white;" %)Starting register address high|=(% style="width: 68px; background-color: rgb(79, 129, 189); color: white;" %)Starting register address low|=(% style="width: 70px; background-color: rgb(79, 129, 189); color: white;" %)Register length high|=(% style="width: 72px; background-color: rgb(79, 129, 189); color: white;" %)Register length low|=(% style="width: 56px; background-color: rgb(79, 129, 189); color: white;" %)CRC16 low|=(% style="width: 56px; background-color: rgb(79, 129, 189); color: white;" %)CRC16 high 765 765 |(% style="width:99px" %)0X14|(% style="width:72px" %)0X03|(% style="width:64px" %)0X00|(% style="width:68px" %)0X11|(% style="width:70px" %)0X00|(% style="width:72px" %)0X01|(% style="width:56px" %)0XD6|(% style="width:56px" %)0XCA 766 766 767 767 If the sensor receives correctly, the following data will be returned, slave → host 768 768 769 -(% border="1" cellspacing="3" style="background-color:#f2f2f2; width:5 18px" %)770 -|=(% style="width: 44px;background-color:#4F81BD;color:white" %)Address|=(% style="width: 79px; background-color: rgb(79, 129, 189); color: white;" %)Function code|=(% style="width:79px; background-color: rgb(79, 129, 189); color: white;" %)Data length|=(% style="width:79px; background-color: rgb(79, 129, 189); color: white;" %)Register 0 Data high|=(% style="width: 79px; background-color: rgb(79, 129, 189); color: white;" %)Register 0 Data low|=(% style="width:79px; background-color: rgb(79, 129, 189); color: white;" %)CRC16 low|=(% style="width:79px; background-color: rgb(79, 129, 189); color: white;" %)CRC16 high697 +(% border="1" cellspacing="3" style="background-color:#f2f2f2; width:599.333px" %) 698 +|=(% style="width: 50px;background-color:#4F81BD;color:white" %)Address|=(% style="width: 72px; background-color: rgb(79, 129, 189); color: white;" %)Function code|=(% style="width: 68px; background-color: rgb(79, 129, 189); color: white;" %)Data length|=(% style="width: 68px; background-color: rgb(79, 129, 189); color: white;" %)Register 0 Data high|=(% style="width: 70px; background-color: rgb(79, 129, 189); color: white;" %)Register 0 Data low|=(% style="width: 56px; background-color: rgb(79, 129, 189); color: white;" %)CRC16 low|=(% style="width: 56px; background-color: rgb(79, 129, 189); color: white;" %)CRC16 high 771 771 |(% style="width:99px" %)0X14|(% style="width:72px" %)0X03|(% style="width:68px" %)0X02|(% style="width:70px" %)0X09|(% style="width:72px" %)0XA4|(% style="width:56px" %)0XB2|(% style="width:56px" %)0X6C 772 772 773 773 After the query, 7 bytes will be returned. For example, the returned data is 14 03 02 (% style="color:red" %)**09 A4**(%%) B2 6C. 03 78 is the value of dissolved oxygen temperature. 774 774 775 -Converted to decimal, it is 2468. Add two decimal places to get the actual value. 09 A4 means the current dissolved oxygen temperature is 24.68 °C703 +Converted to decimal, it is 2468. Add two decimal places to get the actual value. 09 A4 means the current dissolved oxygen temperature is 24.68℃ 776 776 777 777 778 778 = 5. DR-TS1 Water Turbidity Sensor = 779 779 780 -== 5.1 Specification == 781 781 782 782 783 - ***Measuring range**:0.1~~1000.0NTU710 +== (% id="cke_bm_81470S" style="display:none" %) (%%)5.1 Specification == 784 784 712 +* **Measuring range**: 0.1~1000.0NTU 785 785 * **Accuracy**: ±5% 786 - 787 787 * **Resolution**: 0.1NTU 788 - 789 789 * **Stability**: ≤3mV/24 hours 716 +* **Output signal**: A: 4~20 mA (current loop)B: RS485 (standard Modbus-RTU protocol, device default address: 01) 717 +* **Power supply voltage**: 5~24V DC (when output signal is RS485)12~24V DC (when output signal is 4~20mA) 718 +* **Working environment**: temperature 0~60℃; humidity ≤95%RH 719 +* **Power consumption**: ≤0.5W 790 790 791 -* **Output signal**: RS485 (standard Modbus-RTU protocol, device default address: 01) 792 - 793 -* **Power supply voltage**: 5~~24V DC (when output signal is RS485), 12~~24V DC (when output signal is 4~~20mA) 794 - 795 -* **Working environment:** 796 -** Ambient Temperature: 0–60°C 797 -** Relative Humidity: <85% RH(Specifically refers to the cable male and female) 798 - 799 -* **Power consumption**: ≤ 0.5W 800 - 801 801 == 5.2 wiring == 802 802 803 - 804 804 [[image:image-20240720172640-5.png||height="387" width="635"]] 805 805 806 806 807 807 == 5.3 Impedance requirements for current signals == 808 808 728 +[[image:image-20240718195414-8.png||height="100" width="575"]] 809 809 810 -(% border="1" cellspacing="3" style="background-color:#f2f2f2; width:400px" %) 811 -|(% style="width:132px" %)**Supply Voltage**|(% style="width:67px" %)**9V**|(% style="width:67px" %)**12V**|(% style="width:67px" %)**20V**|(% style="width:67px" %)**24V** 812 -|(% style="width:132px" %)**Max Impedance**|(% style="width:65px" %)**<250Ω**|(% style="width:67px" %)**<400Ω**|(% style="width:67px" %)**<500Ω**|(% style="width:65px" %)**<900Ω** 813 813 814 814 == 5.4 Mechinical Drawing == 815 815 816 - 817 817 [[image:image-20240718195058-7.png||height="305" width="593"]] 818 818 819 819 820 820 == 5.5 Instructions for use and maintenance == 821 821 822 - 823 823 * It can be directly put into water without adding a protective tube, ensuring the long-term stability, reliability and accuracy of the sensor. 824 - 825 825 * If the water conditions are complex and you want accurate data, you need to wipe the sensor probe frequently. 826 826 827 827 == 5.6 RS485 Commands == ... ... @@ -830,52 +830,47 @@ 830 830 RS485 signaldefault address 0x15 831 831 Standard Modbus-RTU protocol, baud rate: 9600; check bit: none; data bit: 8; stop bit: 1 832 832 833 - 834 834 === 5.6.1 Query address === 835 835 749 +send 836 836 837 -**send:** 751 +(% border="1" cellspacing="3" style="background-color:#f2f2f2; width:599.333px" %) 752 +|=(% style="width: 50px;background-color:#4F81BD;color:white" %)Original address|=(% style="width: 72px; background-color: rgb(79, 129, 189); color: white;" %)Function code|=(% style="width: 64px; background-color: rgb(79, 129, 189); color: white;" %)Address high|=(% style="width: 68px; background-color: rgb(79, 129, 189); color: white;" %)Address low|=(% style="width: 70px; background-color: rgb(79, 129, 189); color: white;" %)Quantity high|=(% style="width: 72px; background-color: rgb(79, 129, 189); color: white;" %)Quantity low|=(% style="width: 56px; background-color: rgb(79, 129, 189); color: white;" %)CRC16 low|=(% style="width: 56px; background-color: rgb(79, 129, 189); color: white;" %)CRC16 high 753 +|(% style="width:99px" %)0XFE |(% style="width:72px" %)0X03|(% style="width:64px" %)0X00|(% style="width:68px" %)0X50|(% style="width:70px" %)0X00|(% style="width:72px" %)0X00|(% style="width:56px" %)0X51|(% style="width:56px" %)0XD4 838 838 839 -(% border="1" cellspacing="3" style="background-color:#f2f2f2; width:518px" %) 840 -|=(% style="width: 80.75px;background-color:#4F81BD;color:white" %)Original address|=(% style="width: 64.75px; background-color: rgb(79, 129, 189); color: white;" %)Function code|=(% style="width: 64.75px; background-color: rgb(79, 129, 189); color: white;" %)Address high|=(% style="width: 64.75px; background-color: rgb(79, 129, 189); color: white;" %)Address low|=(% style="width: 64.75px; background-color: rgb(79, 129, 189); color: white;" %)Quantity high|=(% style="width: 64.75px; background-color: rgb(79, 129, 189); color: white;" %)Quantity low|=(% style="width: 54.75px; background-color: rgb(79, 129, 189); color: white;" %)CRC16 low|=(% style="width: 58.75px; background-color: rgb(79, 129, 189); color: white;" %)CRC16 high 841 -|(% style="width:99px" %)0XFE |(% style="width:64.75px" %)0X03|(% style="width:64px" %)0X00|(% style="width:64.75px" %)0X50|(% style="width:70px" %)0X00|(% style="width:72px" %)0X00|(% style="width:56px" %)0X51|(% style="width:56px" %)0XD4 842 - 843 843 If you forget the original address of the sensor, you can use the broadcast address 0XFE instead. When using 0XFE, the host can only connect to one slave, which can be used as a method of address query. 844 844 845 845 846 - **response:**758 +response 847 847 848 -(% border="1" cellspacing="3" style="background-color:#f2f2f2; width:51 8px" %)849 -|=(% style="width: 103.6px;background-color:#4F81BD;color:white" %)New address|=(% style="width:103.6px;background-color:#4F81BD;color:white" %)Function code|=(% style="width: 103.6px; background-color: rgb(79, 129, 189); color: white;" %)Data length|=(% style="width:103.6px; background-color: rgb(79, 129, 189); color: white;" %)CRC16 low|=(% style="width: 103.6px; background-color: rgb(79, 129, 189); color: white;" %)CRC16 high760 +(% border="1" cellspacing="3" style="background-color:#f2f2f2; width:561.333px" %) 761 +|=(% style="width: 50px;background-color:#4F81BD;color:white" %)New address|=(% style="width: 50px;background-color:#4F81BD;color:white" %)Function code|=(% style="width: 106px; background-color: rgb(79, 129, 189); color: white;" %)Data length|=(% style="width: 93px; background-color: rgb(79, 129, 189); color: white;" %)CRC16 low|=(% style="width: 104px; background-color: rgb(79, 129, 189); color: white;" %)CRC16 high 850 850 |(% style="width:99px" %)0X01|(% style="width:112px" %)0X03|(% style="width:106px" %)0X00|(% style="width:93px" %)0X20|(% style="width:104px" %)0XF0 851 851 852 852 === 5.6.2 Change address === 853 853 854 - 855 855 For example: Change the address of the sensor with address 1 to 2, master → slave 856 856 857 -(% border="1" cellspacing="3" style="background-color:#f2f2f2; width:5 18px" %)858 -|=(% style="width: 80.75px;background-color:#4F81BD;color:white" %)Original address|=(% style="width:64.75px;background-color:#4F81BD;color:white" %)Function code|=(% style="width:64.75px;background-color:#4F81BD;color:white" %)Address high|=(% style="width:64.75px;background-color:#4F81BD;color:white" %)Address low|=(% style="width:64.75px;background-color:#4F81BD;color:white" %)Quantity high|=(% style="width:64.75px; background-color: rgb(79, 129, 189); color: white;" %)Quantity low|=(% style="width: 54.75px;background-color:#4F81BD;color:white" %)CRC16 low|=(% style="width: 58.75px;background-color:#4F81BD;color:white" %)CRC16 high768 +(% border="1" cellspacing="3" style="background-color:#f2f2f2; width:676.25px" %) 769 +|=(% style="width: 50px;background-color:#4F81BD;color:white" %)Original address|=(% style="width: 50px;background-color:#4F81BD;color:white" %)Function code|=(% style="width: 50px;background-color:#4F81BD;color:white" %)Address high|=(% style="width: 50px;background-color:#4F81BD;color:white" %)Address low|=(% style="width: 50px;background-color:#4F81BD;color:white" %)Quantity high|=(% style="width: 1px; background-color: rgb(79, 129, 189); color: white;" %)Quantity low|=(% style="width: 50px;background-color:#4F81BD;color:white" %)CRC16 low|=(% style="width: 50px;background-color:#4F81BD;color:white" %)CRC16 high 859 859 |(% style="width:99px" %)0X01|(% style="width:112px" %)0X06|(% style="width:135px" %)0X00|(% style="width:126px" %)0X50|(% style="width:85px" %)0X00|(% style="width:1px" %)0X02|(% style="width:1px" %)0X08|(% style="width:1px" %)0X1A 860 860 861 861 If the sensor receives correctly, the data is returned along the original path. 773 +Note: If you forget the original address of the sensor, you can use the broadcast address 0XFE instead. When using 0XFE, the host can only connect to one slave, and the return address is still the original address, which can be used as a method of address query. 862 862 863 -(% style="color:red" %)**Note: If you forget the original address of the sensor, you can use the broadcast address 0XFE instead. When using 0XFE, the host can only connect to one slave, and the return address is still the original address, which can be used as a method of address query.** 864 - 865 - 866 866 === 5.6.3 Query data === 867 867 868 868 869 869 Query the data (turbidity) of the sensor (address 15), host → slave 870 870 871 -(% border="1" cellspacing="3" style="background-color:#f2f2f2; width:5 18px" %)872 -|=(% style="width: 42px;background-color:#4F81BD;color:white" %)Address|=(% style="width:68px; background-color: rgb(79, 129, 189); color: white;" %)Function code|=(% style="width: 68px; background-color: rgb(79, 129, 189); color: white;" %)Starting register address high|=(% style="width: 68px; background-color: rgb(79, 129, 189); color: white;" %)Starting register address low|=(% style="width:68px; background-color: rgb(79, 129, 189); color: white;" %)Register length high|=(% style="width:68px; background-color: rgb(79, 129, 189); color: white;" %)Register length low|=(% style="width: 68px; background-color: rgb(79, 129, 189); color: white;" %)CRC16 low|=(% style="width: 68px; background-color: rgb(79, 129, 189); color: white;" %)CRC16 high780 +(% border="1" cellspacing="3" style="background-color:#f2f2f2; width:599.333px" %) 781 +|=(% style="width: 50px;background-color:#4F81BD;color:white" %)Address|=(% style="width: 72px; background-color: rgb(79, 129, 189); color: white;" %)Function code|=(% style="width: 64px; background-color: rgb(79, 129, 189); color: white;" %)Starting register address high|=(% style="width: 68px; background-color: rgb(79, 129, 189); color: white;" %)Starting register address low|=(% style="width: 70px; background-color: rgb(79, 129, 189); color: white;" %)Register length high|=(% style="width: 72px; background-color: rgb(79, 129, 189); color: white;" %)Register length low|=(% style="width: 56px; background-color: rgb(79, 129, 189); color: white;" %)CRC16 low|=(% style="width: 56px; background-color: rgb(79, 129, 189); color: white;" %)CRC16 high 873 873 |(% style="width:99px" %)0X15|(% style="width:72px" %)0X03|(% style="width:64px" %)0X00|(% style="width:68px" %)0X00|(% style="width:70px" %)0X00|(% style="width:72px" %)0X01|(% style="width:56px" %)0X87|(% style="width:56px" %)0X1E 874 874 875 875 If the sensor receives correctly, the following data will be returned, slave → host 876 876 877 -(% border="1" cellspacing="3" style="background-color:#f2f2f2; width:5 18px" %)878 -|=(% style="width: 44px;background-color:#4F81BD;color:white" %)Address|=(% style="width: 79px; background-color: rgb(79, 129, 189); color: white;" %)Function code|=(% style="width:79px; background-color: rgb(79, 129, 189); color: white;" %)Data length|=(% style="width:79px; background-color: rgb(79, 129, 189); color: white;" %)Register 0 Data high|=(% style="width: 79px; background-color: rgb(79, 129, 189); color: white;" %)Register 0 Data low|=(% style="width:79px; background-color: rgb(79, 129, 189); color: white;" %)CRC16 low|=(% style="width:79px; background-color: rgb(79, 129, 189); color: white;" %)CRC16 high786 +(% border="1" cellspacing="3" style="background-color:#f2f2f2; width:599.333px" %) 787 +|=(% style="width: 50px;background-color:#4F81BD;color:white" %)Address|=(% style="width: 72px; background-color: rgb(79, 129, 189); color: white;" %)Function code|=(% style="width: 68px; background-color: rgb(79, 129, 189); color: white;" %)Data length|=(% style="width: 68px; background-color: rgb(79, 129, 189); color: white;" %)Register 0 Data high|=(% style="width: 70px; background-color: rgb(79, 129, 189); color: white;" %)Register 0 Data low|=(% style="width: 56px; background-color: rgb(79, 129, 189); color: white;" %)CRC16 low|=(% style="width: 56px; background-color: rgb(79, 129, 189); color: white;" %)CRC16 high 879 879 |(% style="width:99px" %)0X15|(% style="width:72px" %)0X03|(% style="width:68px" %)0X02|(% style="width:70px" %)0X02|(% style="width:72px" %)0X9A|(% style="width:56px" %)0X09|(% style="width:56px" %)0X4C 880 880 881 881 The query data command is 15 03 00 00 00 01 87 1E ... ... @@ -883,9 +883,3 @@ 883 883 For example, the returned data is 15 03 02 (% style="color:red" %)**02 9A**(%%) 09 4C 884 884 885 885 02 9A is the turbidity value, converted to decimal, it is 666, and then divided by 10, the actual value is 66.6, 02 9A means the current turbidity value is 66.6 NTU 886 - 887 - 888 -= 6. Water Quality Sensor Datasheet = 889 - 890 - 891 -* **[[Water Quality Sensor Transmitter Datasheet>>https://www.dropbox.com/scl/fi/9tofocmgapkbddshznumn/Datasheet_WQS-xB-WQS-xS_Water-Quality-Sensor-Transmitter.pdf?rlkey=wxua12ur9swk30rkqnh2boo9z&st=axga6epf&dl=0]]**
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