Changes for page Water Quality Sensors

Last modified by Karry Zhuang on 2025/02/18 15:43
<
From version < 45.46 >
edited by Xiaoling
on 2024/08/06 13:49
To version < 45.51 >
edited by Xiaoling
on 2024/08/06 14:05
>
Change comment: There is no comment for this version

Summary

Details

Page properties
Content
... ... @@ -24,7 +24,6 @@
24 24  * **IP Rated**: IP68
25 25  * **Max Pressure**: 0.6MPa
26 26  
27 -
28 28  == 1.2 Application for Different Range ==
29 29  
30 30  
... ... @@ -89,7 +89,6 @@
89 89  * 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.
90 90  * 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.).
91 91  
92 -
93 93  == 1.7 RS485 Commands ==
94 94  
95 95  
... ... @@ -100,7 +100,7 @@
100 100  === 1.7.1 Query address ===
101 101  
102 102  
103 -**send**
101 +**send:**
104 104  
105 105  (% border="1" cellspacing="3" style="background-color:#f2f2f2; width:518px" %)
106 106  |=(% style="width: 74.75px;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:#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:#4F81BD;color:white" %)Quantity low|=(% style="width: 59.75px;background-color:#4F81BD;color:white" %)CRC16 low|=(% style="width: 59.75px;background-color:#4F81BD;color:white" %)CRC16 high
... ... @@ -109,13 +109,12 @@
109 109  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.
110 110  
111 111  
112 -**response**
110 +**response:**
113 113  
114 114  (% border="1" cellspacing="3" style="background-color:#f2f2f2; width:512px" %)
115 115  |=(% style="width: 100px;background-color:#4F81BD;color:white" %)New address|=(% style="width: 110px;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
116 116  |(% style="width:99px" %)0X01|(% style="width:112px" %)0X03|(% style="width:106px" %)0X00|(% style="width:93px" %)0X20|(% style="width:104px" %)0XF0
117 117  
118 -
119 119  === 1.7.2 Change address ===
120 120  
121 121  
... ... @@ -133,7 +133,7 @@
133 133  === 1.7.3 Modify intercept ===
134 134  
135 135  
136 -send
133 +**send:**
137 137  
138 138  (% border="1" cellspacing="3" style="background-color:#f2f2f2; width:512px" %)
139 139  |=(% style="width: 64px;background-color:#4F81BD;color:white" %)Address|=(% style="width: 64px;background-color:#4F81BD;color:white" %)Function code|=(% style="width: 64px;background-color:#4F81BD;color:white" %)Address high|=(% style="width: 64px;background-color:#4F81BD;color:white" %)Address low|=(% style="width: 64px;background-color:#4F81BD;color:white" %)Quantity high|=(% style="width: 64px; background-color: rgb(79, 129, 189); color: white;" %)Quantity low|=(% style="width: 64px;background-color:#4F81BD;color:white" %)CRC16 low|=(% style="width: 64px;background-color:#4F81BD;color:white" %)CRC16 high
... ... @@ -143,7 +143,7 @@
143 143  
144 144  Change the intercept of the sensor with address 1 to 10 (default 0), which is 0X000A in the command.
145 145  
146 -response
143 +**response:**
147 147  
148 148  (% border="1" cellspacing="3" style="background-color:#f2f2f2; width:512px" %)
149 149  |=(% style="width: 64px;background-color:#4F81BD;color:white" %)Address|=(% style="width: 64px;background-color:#4F81BD;color:white" %)Function code|=(% style="width: 64px;background-color:#4F81BD;color:white" %)Address high|=(% style="width: 64px;background-color:#4F81BD;color:white" %)Address low|=(% style="width: 64px;background-color:#4F81BD;color:white" %)Quantity high|=(% style="width: 64px; background-color: rgb(79, 129, 189); color: white;" %)Quantity low|=(% style="width: 64px;background-color:#4F81BD;color:white" %)CRC16 low|=(% style="width: 64px;background-color:#4F81BD;color:white" %)CRC16 high
... ... @@ -172,7 +172,7 @@
172 172  
173 173  The query data command is 11 03 00 00 00 02 C6 9B
174 174  
175 -For example, the returned data is 11 03 04 (% style="color:red" %)**02 AE**(%%) 01 64 8B D0. 02 AE is converted to decimal 686,  K=10, EC: 6860uS/cm,temperature: 35.6℃ Convert the returned data to decimal and divide by 10.
172 +**For example**, the returned data is 11 03 04 (% style="color:red" %)**02 AE**(%%) 01 64 8B D0. 02 AE is converted to decimal 686,  K=10, EC: 6860uS/cm,temperature: 35.6℃ Convert the returned data to decimal and divide by 10.
176 176  
177 177  
178 178  Query the data (EC,temperature) of the sensor (address 11), host → slave
... ... @@ -191,7 +191,7 @@
191 191  
192 192  The query data command is 12 03 00 00 00 02 C6 A8
193 193  
194 -For example, the returned data is 12 03 04 (% style="color:red" %)**02 AE**(%%) 01 64 B8 D0. 02 AE is converted to decimal 686,  K=1, EC: 686uS/cm,temperature: 35.6℃ Convert the returned data to decimal and divide by 10.
191 +**For example**, the returned data is 12 03 04 (% style="color:red" %)**02 AE**(%%) 01 64 B8 D0. 02 AE is converted to decimal 686,  K=1, EC: 686uS/cm,temperature: 35.6℃ Convert the returned data to decimal and divide by 10.
195 195  
196 196  
197 197  === 1.7.5 Calibration Method ===
... ... @@ -199,11 +199,11 @@
199 199  
200 200  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.
201 201  
202 -The calibration steps are as follows:
199 +**The calibration steps are as follows:**
203 203  (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.
204 204  
205 205  (% border="1" cellspacing="3" style="background-color:#f2f2f2; width:518px" %)
206 -|=(% style="width: 40px;background-color:#4F81BD;color:white" %)Address|=(% style="width: 53px;background-color:#4F81BD;color:white" %)Function code|=(% style="width: 53px;background-color:#4F81BD;color:white" %)Address high|=(% style="width: 53px;background-color:#4F81BD;color:white" %)Address low|=(% style="width: 53px;background-color:#4F81BD;color:white" %)Quantity high|=(% style="width: 53px; background-color: rgb(79, 129, 189); color: white;" %)Quantity low|=(% style="width: 53px; background-color: rgb(79, 129, 189); color: white;" %)Data length|=(% style="width: 53px;background-color:#4F81BD;color:white" %)Data|=(% style="width: 53px;background-color:#4F81BD;color:white" %)CRC16 low|=(% style="width: 53px;background-color:#4F81BD;color:white" %)CRC16 high
203 +|=(% style="width: 42px;background-color:#4F81BD;color:white" %)Address|=(% style="width: 53px;background-color:#4F81BD;color:white" %)Function code|=(% style="width: 53px;background-color:#4F81BD;color:white" %)Address high|=(% style="width: 53px;background-color:#4F81BD;color:white" %)Address low|=(% style="width: 53px;background-color:#4F81BD;color:white" %)Quantity high|=(% style="width: 53px; background-color: rgb(79, 129, 189); color: white;" %)Quantity low|=(% style="width: 53px; background-color: rgb(79, 129, 189); color: white;" %)Data length|=(% style="width: 53px;background-color:#4F81BD;color:white" %)Data|=(% style="width: 53px;background-color:#4F81BD;color:white" %)CRC16 low|=(% style="width: 53px;background-color:#4F81BD;color:white" %)CRC16 high
207 207  |(% style="width:99px" %)0X12|(% style="width:112px" %)0X10|(% style="width:135px" %)0X00|(% style="width:126px" %)0X26|(% style="width:85px" %)0X00|(% style="width:1px" %)0X02|(% style="width:1px" %)0X04|(% style="width:1px" %)(((
208 208  0X00
209 209  0X00
... ... @@ -213,7 +213,7 @@
213 213  
214 214  1413*10 gives 0X00003732
215 215  
216 -response
213 +**response:**
217 217  
218 218  (% border="1" cellspacing="3" style="background-color:#f2f2f2; width:518px" %)
219 219  |=(% 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 high
... ... @@ -222,7 +222,7 @@
222 222  (2) Place the electrode in distilled water to clean it. Use 12.88mS/cm standard solution for the range of 10~~20000. After the data is stable, enter the following calibration command
223 223  
224 224  (% border="1" cellspacing="3" style="background-color:#f2f2f2; width:518px" %)
225 -|=(% style="width: 40px;background-color:#4F81BD;color:white" %)Address|=(% style="width: 53px;background-color:#4F81BD;color:white" %)Function code|=(% style="width: 53px;background-color:#4F81BD;color:white" %)Address high|=(% style="width: 53px;background-color:#4F81BD;color:white" %)Address low|=(% style="width: 53px;background-color:#4F81BD;color:white" %)Quantity high|=(% style="width: 53px; background-color: rgb(79, 129, 189); color: white;" %)Quantity low|=(% style="width: 53px; background-color: rgb(79, 129, 189); color: white;" %)Data length|=(% style="width: 53px;background-color:#4F81BD;color:white" %)Data|=(% style="width: 53px;background-color:#4F81BD;color:white" %)CRC16 low|=(% style="width: 53px;background-color:#4F81BD;color:white" %)CRC16 high
222 +|=(% style="width: 42px;background-color:#4F81BD;color:white" %)Address|=(% style="width: 53px;background-color:#4F81BD;color:white" %)Function code|=(% style="width: 53px;background-color:#4F81BD;color:white" %)Address high|=(% style="width: 53px;background-color:#4F81BD;color:white" %)Address low|=(% style="width: 53px;background-color:#4F81BD;color:white" %)Quantity high|=(% style="width: 53px; background-color: rgb(79, 129, 189); color: white;" %)Quantity low|=(% style="width: 53px; background-color: rgb(79, 129, 189); color: white;" %)Data length|=(% style="width: 53px;background-color:#4F81BD;color:white" %)Data|=(% style="width: 53px;background-color:#4F81BD;color:white" %)CRC16 low|=(% style="width: 53px;background-color:#4F81BD;color:white" %)CRC16 high
226 226  |(% style="width:99px" %)0X11|(% style="width:112px" %)0X10|(% style="width:135px" %)0X00|(% style="width:126px" %)0X26|(% style="width:85px" %)0X00|(% style="width:1px" %)0X02|(% style="width:1px" %)0X04|(% style="width:1px" %)(((
227 227  0X00
228 228  0X01
... ... @@ -232,7 +232,7 @@
232 232  
233 233  12880*10 gives 0X01F720
234 234  
235 -response
232 +**response:**
236 236  
237 237  (% border="1" cellspacing="3" style="background-color:#f2f2f2; width:518px" %)
238 238  |=(% 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 high
... ... @@ -239,7 +239,6 @@
239 239  |(% style="width:99px" %)0X11|(% style="width:112px" %)0X06|(% style="width:135px" %)0X00|(% style="width:126px" %)0X26|(% style="width:85px" %)0X00|(% style="width:1px" %)0X02|(% style="width:1px" %)0XEB|(% style="width:1px" %)0X50
240 240  
241 241  
242 -
243 243  = 2. DR-PH01 Water PH Sensor =
244 244  
245 245  == 2.1 Specification ==
... ... @@ -260,37 +260,40 @@
260 260  
261 261  == 2.2 Wiring ==
262 262  
259 +
263 263  [[image:image-20240720172548-2.png||height="348" width="571"]]
264 264  
265 265  
266 266  == (% style="color:inherit; font-family:inherit" %)2.3 (% style="color:inherit; font-family:inherit; font-size:26px" %)Mechinical Drawing(%%) ==
267 267  
265 +
268 268  [[image:image-20240714174241-2.png]]
269 269  
270 270  
271 271  == 2.4 Installation Notice ==
272 272  
271 +
273 273  Do not power on while connect the cables. Double check the wiring before power on.
274 274  
275 275  Installation Photo as reference:
276 276  
277 -**~ Submerged installation:**
276 +(% style="color:blue" %)**Submerged installation:**
278 278  
279 279  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.
280 280  
281 281  [[image:image-20240718191348-6.png]]
282 282  
283 -**~ Pipeline installation:**
282 +(% style="color:blue" %)**Pipeline installation:**
284 284  
285 285  Connect the equipment to the pipeline through the 3/4 thread.
286 286  
287 287  [[image:image-20240718191336-5.png||height="239" width="326"]]
288 288  
289 -**Sampling:**
288 +(% style="color:blue" %)**Sampling:**
290 290  
291 291  Take representative water samples according to sampling requirements. If it is inconvenient to take samples, you can also put the electrode into the solution to be tested and read the output data. After a period of time, take out the electrode and clean it.
292 292  
293 -**Measure the pH of the water sample:**
292 +(% style="color:blue" %)**Measure the pH of the water sample:**
294 294  
295 295  First rinse the electrode with distilled water, then rinse it with the water sample, then immerse the electrode in the sample, carefully shake the test cup or stir it to accelerate the electrode balance, let it stand, and record the pH value when the reading is stable.
296 296  
... ... @@ -310,13 +310,17 @@
310 310  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.
311 311  )))
312 312  
312 +
313 313  == 2.6 RS485 Commands ==
314 314  
315 +
315 315  RS485 signaldefault address 0x10
316 316  Standard Modbus-RTU protocol, baud rate: 9600; check bit: none; data bit: 8; stop bit: 1
317 317  
319 +
318 318  === 2.6.1 Query address ===
319 319  
322 +
320 320  send
321 321  
322 322  (% border="1" cellspacing="3" style="background-color:#f2f2f2; width:676.25px" %)
... ... @@ -329,6 +329,7 @@
329 329  |=(% 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
330 330  |(% style="width:99px" %)0X01|(% style="width:112px" %)0X03|(% style="width:106px" %)0X00|(% style="width:93px" %)0X20|(% style="width:104px" %)0XF0
331 331  
335 +
332 332  === 2.6.2 Change address ===
333 333  
334 334  For example: Change the address of the sensor with address 1 to 2, master → slave

Applications

Navigation

Copyright ©2010-2024 Dragino Technology Co., LTD. All rights reserved
Dragino Wiki v2.0