Changes for page Water Quality Sensors
Last modified by Karry Zhuang on 2025/02/18 15:43
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... ... @@ -380,11 +380,11 @@ 380 380 = 3. DR-ORP1 Water ORP Sensor = 381 381 382 382 383 + 383 383 == 3.1 Specification == 384 384 385 385 * **Power Input**: DC7~~30 386 -* **Measuring range**:** **-1999~~1999mV 387 -**Resolution**: 1mV 387 +* **Power Consumption** : < 0.5W 388 388 * **Interface**: RS485. 9600 Baud Rate 389 389 * **Measurement error**: ±3mV 390 390 * **Stability**: ≤2mv/24 hours ... ... @@ -452,6 +452,7 @@ 452 452 |(% style="width:99px" %)0X01|(% style="width:112px" %)0X03|(% style="width:106px" %)0X00|(% style="width:93px" %)0X20|(% style="width:104px" %)0XF0 453 453 454 454 455 + 455 455 === 3.6.2 Change address === 456 456 457 457 For example: Change the address of the sensor with address 1 to 2, master → slave ... ... @@ -522,44 +522,12 @@ 522 522 ))) 523 523 524 524 526 + 525 525 = 4. DR-DO1 Dissolved Oxygen Sensor = 526 526 529 +== 4.7 RS485 Commands == 527 527 528 528 529 -== 4.1 Specification == 530 - 531 -* **Measuring range**: 0.1～1000.0NTU 532 -* **Accuracy**: ±5% 533 -* **Resolution**: 0.1NTU 534 -* **Stability**: ≤3mV/24 hours 535 -* **Output signal**: A: 4～20 mA (current loop)B: RS485 (standard Modbus-RTU protocol, device default address: 01) 536 -* **Power supply voltage**: 5～24V DC (when output signal is RS485)12～24V DC (when output signal is 4～20mA) 537 -* **Working environment**: temperature 0～60℃; humidity ≤95%RH 538 -* **Power consumption**: ≤0.5W 539 - 540 - 541 -== 4.2 Impedance requirements for current signals == 542 - 543 -[[image:image-20240718195414-8.png||height="100" width="575"]] 544 - 545 - 546 -== 4.3 wiring == 547 - 548 -== 4.4 Mechinical Drawing == 549 - 550 -[[image:image-20240718195058-7.png||height="305" width="593"]] 551 - 552 - 553 -=== 4.5 Instructions for use and maintenance === 554 - 555 -* It can be directly put into water without adding a protective tube, ensuring the long-term stability, reliability and accuracy of the sensor. 556 -* If the water conditions are complex and you want accurate data, you need to wipe the sensor probe frequently. 557 - 558 - 559 -== 4.6 RS485 Commands == 560 - 561 -4.6.1 562 - 563 563 The address of the dissolved oxygen sensor is 14 564 564 565 565 The query data command is 14 03 00 14 00 01 C6 CB