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Changes for page Water Quality Sensors

Last modified by Karry Zhuang on 2025/07/25 09:38
From version 62.7
edited by Karry Zhuang
on 2025/07/15 17:34
Change comment: There is no comment for this version
To version 71.3
edited by Karry Zhuang
on 2025/07/16 09:14
Change comment: There is no comment for this version

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Content
... ... @@ -5,7 +5,7 @@
5 5  
6 6  
7 7  
8 -= 1. DR-ECK Water EC Probe =
8 += 1. DR-EC Water EC Probe =
9 9  
10 10  == 1.1 Specification: ==
11 11  
... ... @@ -17,11 +17,9 @@
17 17  * **Interface**: RS485. 9600 Baud Rate
18 18  
19 19  * **EC Range & Resolution:**
20 -** **ECK0.01** : 0.02 ~~ 20 μS/cm
21 -** **ECK0.1**: 0.2 ~~ 200.0 μS/cm
22 22  ** **ECK1.0** : 0 ~~ 2,000 μS/cm  Resolution: 1 μS/cm
23 23  ** **ECK10.0** : 10 ~~ 20,000 μS/cm  Resolution: 10 μS/cm
24 -** **ECK200.0** : 1 ~~ 200,000 μS/cm  Resolution: 1 μS/cm
22 +** **EC200.0** : 1 ~~ 200,000 μS/cm  Resolution: 1 μS/cm
25 25  
26 26  * **EC Accuracy**: ±1% FS
27 27  * **Temperature Accuracy: **±0.5 °C
... ... @@ -262,8 +262,8 @@
262 262  For the device with address 01, use 1413uS/cm standard solution to calibrate the first point. Send frame: 1413. Convert hexadecimal to 585. Write 0001, 00 00, 0585 to 0x0120, 0x0121, 0x0122 respectively.
263 263  
264 264  (% border="1" cellspacing="3" style="background-color:#f2f2f2; width:518px" %)
265 -|=(% 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" %)Register Address|=(% style="width: 53px;background-color:#4F81BD;color:white" %)Register length|=(% style="width: 53px;background-color:#4F81BD;color:white" %)Data length|=(% style="width: 53px; background-color: rgb(79, 129, 189); color: white;" %)Register contents|=(% style="width: 53px; background-color: rgb(79, 129, 189); color: white;" %)CRC16 low|=(% style="width: 53px;background-color:#4F81BD;color:white" %)CRC16 high|=(% style="width: 53px;background-color:#4F81BD;color:white" %)123|=(% style="width: 53px;background-color:#4F81BD;color:white" %)123
266 -|(% style="width:99px" %)0X01|(% style="width:112px" %)0X10|(% style="width:135px" %)0X01 0X02|(% style="width:126px" %)0X00 0X03|(% style="width:85px" %)0X06|(% style="width:1px" %)(((
263 +|=(% 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" %)Register Address|=(% style="width: 53px;background-color:#4F81BD;color:white" %)Register length|=(% style="width: 53px;background-color:#4F81BD;color:white" %)Data length|=(% style="width: 53px; background-color: rgb(79, 129, 189); color: white;" %)Register contents|=(% style="width: 53px; background-color: rgb(79, 129, 189); color: white;" %)CRC16 low|=(% style="width: 53px;background-color:#4F81BD;color:white" %)CRC16 high
264 +|(% style="width:99px" %)0X01|(% style="width:112px" %)0X10|(% style="width:135px" %)0X01 0X20|(% style="width:126px" %)0X00 0X03|(% style="width:85px" %)0X06|(% style="width:1px" %)(((
267 267  0X00
268 268  0X01
269 269  0X00
... ... @@ -270,18 +270,47 @@
270 270  0X00
271 271  0X05
272 272  0X85
273 -)))|(% style="width:1px" %)0XBC|(% style="width:1px" %)(((
271 +)))|(% style="width:1px" %)0X1c|(% style="width:1px" %)(((
274 274  (((
275 -0X85
273 +0X25
276 276  )))
275 +)))
277 277  
278 -(((
277 +**response:**
278 +
279 +(% border="1" cellspacing="3" style="background-color:#f2f2f2; width:534.333px" %)
280 +|=(% 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" %)Register Address|=(% style="width: 53px;background-color:#4F81BD;color:white" %)Register length|=(% style="width: 53px;background-color:#4F81BD;color:white" %)Data length|=(% style="width: 53px; background-color: rgb(79, 129, 189); color: white;" %)CRC16 low|=(% style="width: 60px; background-color: rgb(79, 129, 189); color: white;" %)CRC16 high
281 +|(% style="width:99px" %)0X01|(% style="width:112px" %)0X10|(% style="width:135px" %)0X01 0X02|(% style="width:126px" %)0X00 0X03|(% style="width:85px" %)0X06|(% style="width:1px" %)(((
282 +0X80
283 +)))|(% style="width:60px" %)0X3e(((
279 279  
280 280  )))
281 -)))|(% style="width:1px" %)123|(% style="width:1px" %)123
282 282  
287 +Use 111310uS/cm standard solution to calibrate the second point and send the frame: 111310 is converted into hexadecimal 1b2ce, and 0002, 0001,b2 ce are written to 0x0120, 0x0121, and 0x0122 respectively.
283 283  
289 +(% border="1" cellspacing="3" style="background-color:#f2f2f2; width:518px" %)
290 +|=(% 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" %)Register Address|=(% style="width: 53px;background-color:#4F81BD;color:white" %)Register length|=(% style="width: 53px;background-color:#4F81BD;color:white" %)Data length|=(% style="width: 53px; background-color: rgb(79, 129, 189); color: white;" %)Register contents|=(% style="width: 53px; background-color: rgb(79, 129, 189); color: white;" %)CRC16 low|=(% style="width: 53px;background-color:#4F81BD;color:white" %)CRC16 high
291 +|(% style="width:99px" %)0X01|(% style="width:112px" %)0X10|(% style="width:135px" %)0X01 0X20|(% style="width:126px" %)0X00 0X03|(% style="width:85px" %)0X06|(% style="width:1px" %)(((
292 +0X00
293 +0X02
294 +0X00
295 +0X01
296 +0Xb2
297 +0Xce
298 +)))|(% style="width:1px" %)0X3e|(% style="width:1px" %)(((
299 +(((
300 +0X22
301 +)))
302 +)))
284 284  
304 +**response:**
305 +
306 +(% border="1" cellspacing="3" style="background-color:#f2f2f2; width:534.333px" %)
307 +|=(% 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" %)Register Address|=(% style="width: 53px;background-color:#4F81BD;color:white" %)Register length|=(% style="width: 53px;background-color:#4F81BD;color:white" %)Data length|=(% style="width: 53px; background-color: rgb(79, 129, 189); color: white;" %)CRC16 low|=(% style="width: 60px; background-color: rgb(79, 129, 189); color: white;" %)CRC16 high
308 +|(% style="width:99px" %)0X01|(% style="width:112px" %)0X10|(% style="width:135px" %)0X01 0X02|(% style="width:126px" %)0X00 0X03|(% style="width:85px" %)0X06|(% style="width:1px" %)(((
309 +0X80
310 +)))|(% style="width:60px" %)0X3e
311 +
285 285  = 2. DR-PH01 Water PH Sensor =
286 286  
287 287  == 2.1 Specification ==
... ... @@ -439,8 +439,8 @@
439 439  Query the data (PH) of the sensor (address 10), host → slave
440 440  
441 441  (% border="1" cellspacing="3" style="background-color:#f2f2f2; width:518px" %)
442 -|=(% 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 high
443 -|(% style="width:99px" %)0X10|(% 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" %)0X4B
469 +|=(% style="width: 42px;background-color:#4F81BD;color:white" %)Address|=(% style="width: 74px; background-color: rgb(79, 129, 189); color: white;" %)Function code|=(% style="width: 75px; 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 high
470 +|(% style="width:99px" %)0X10|(% style="width:74px" %)0X03|(% style="width:75px" %)0X00|(% style="width:68px" %)0X00|(% style="width:70px" %)0X00|(% style="width:72px" %)0X01|(% style="width:56px" %)0X87|(% style="width:56px" %)0X4B
444 444  
445 445  If the sensor receives correctly, the following data will be returned, slave → host
446 446  
... ... @@ -919,7 +919,105 @@
919 919  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
920 920  
921 921  
922 -= 6.  Water Quality Sensor Datasheet =
949 += 6. DR-CL Water CL Probe =
923 923  
951 +== 6.1 Specification: ==
924 924  
953 +* **Power Input**: DC7~~30
954 +
955 +* **Power Consumption** : 0.19W
956 +
957 +* **Interface**: RS485. 9600 Baud Rate
958 +
959 +* **CL Range & Resolution:**
960 +** **CL2ML:**0-2mg/L
961 +** **CL10ML:**0-10mg/L
962 +** **Resolution:**0.01mg/L
963 +
964 +* **CL Accuracy**: ±5% FS
965 +* **Temperature Accuracy: **±0.5 °C
966 +* **Working environment:**
967 +** Ambient Temperature: 0–50°C
968 +** pH:4-9
969 +** Flow rate: 30L/h~~60L/h (flow tank installation)
970 +* **IP Rated**: IP68
971 +
972 +* **Max Pressure**: 0.6MPa
973 +
974 +== 6.2 Wiring ==
975 +
976 +[[image:image-20240720172548-2.png||height="348" width="571"]]
977 +
978 +== 6.3 Mechinical Drawing ==
979 +
980 +[[image:1752573238705-910.png||height="694" width="278"]]
981 +
982 +== 6.4 Installation ==
983 +
984 +Flow-through installation: Use the matching flow slot for installation. The device and the flow slot are installed tightly.
985 +
986 +The measuring end is completely immersed in the measured liquid to ensure a steady flow rate without bubbles.
987 +
988 +It is recommended that the flow rate be controlled at 30-60Lh to ensure the accuracy of the test.
989 +
990 +[[image:1752573643879-991.png||height="360" width="343"]]
991 +
992 +== 6.5 Maintenance ==
993 +
994 +* The device 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!
995 +* After using the electrode, please clean the electrode head with clean water and cover it with a protective cover.
996 +* When measuring the device, the measured liquid should flow and the flow rate should be uniform, and there should be no bubbles attached to the measuring end of the device.
997 +* If the electrode diaphragm is attached with dirt and mineral components, the sensitivity will be reduced, and it may not be possible to perform sufficient measurement. Please ensure that the platinum ring is clean.
998 +* The platinum induction ring of a good residual chlorine electrode should always be kept clean and bright. If the platinum ring of the electrode becomes rough or covered with pollutants after measurement, please clean it according to the following method: (For reference) Inorganic pollution: immerse the electrode in 0.1mol/L dilute hydrochloric acid for 15 minutes, gently wipe the platinum ring of the residual chlorine electrode with a cotton swab, and then wash it with tap water.
999 +* Organic or oil pollution: immerse the electrode in tap water with a small amount of detergent, such as dishwashing liquid, and thoroughly clean the sensing surface of the electrode sensor. Gently wipe the platinum ring of the electrode with a cotton swab, then rinse with tap water, and the cleaning is complete. If the platinum ring of the electrode has formed an oxide film, please use toothpaste or 1000-grit fine sandpaper to properly polish the sensing surface, and then clean it with tap water. The platinum ring is connected to the glass, so please handle it carefully when polishing.
1000 +The electrode has a service life of about one year, and a new electrode should be replaced in time after aging.
1001 +* Before the cable plug and the device plug are locked, do not put the plug part into water.
1002 +
1003 +
1004 +
1005 +== 6.6 RS485 Commands ==
1006 +
1007 +RS485 signal 
1008 +Standard Modbus-RTU protocol, baud rate: 9600; check bit: none; data bit: 8; stop bit: 1
1009 +
1010 +
1011 +== 6.7 Query data ==
1012 +
1013 +Example 1: Read the current residual chlorine concentration of the device with address 01
1014 +
1015 +(% border="1" cellspacing="3" style="background-color:#f2f2f2; width:534.333px" %)
1016 +|=(% style="width: 42px;background-color:#4F81BD;color:white" %)Address|=(% style="width: 53px;background-color:#4F81BD;color:white" %)Function code|=(% style="width: 74px; background-color: rgb(79, 129, 189); color: white;" %)Register Address|=(% style="width: 94px; background-color: rgb(79, 129, 189); color: white;" %)Register length|=(% style="width: 72px; background-color: rgb(79, 129, 189); color: white;" %)CRC16 low|=(% style="width: 77px; background-color: rgb(79, 129, 189); color: white;" %)CRC16 high
1017 +|(% style="width:99px" %)0X01|(% style="width:112px" %)0X03|(% style="width:74px" %)0X00 0X00|(% style="width:94px" %)0X00 0X01|(% style="width:72px" %)(((
1018 +0X84
1019 +)))|(% style="width:77px" %)0X0A
1020 +
1021 +**response:**
1022 +
1023 +(% border="1" cellspacing="3" style="background-color:#f2f2f2; width:534.333px" %)
1024 +|=(% style="width: 42px;background-color:#4F81BD;color:white" %)Address|=(% style="width: 83px; background-color: rgb(79, 129, 189); color: white;" %)Function code|=(% style="width: 110px; background-color: rgb(79, 129, 189); color: white;" %)Valid Bytes|=(% style="width: 94px; background-color: rgb(79, 129, 189); color: white;" %)Register contents|=(% style="width: 72px; background-color: rgb(79, 129, 189); color: white;" %)CRC16 low|=(% style="width: 77px; background-color: rgb(79, 129, 189); color: white;" %)CRC16 high
1025 +|(% style="width:99px" %)0X01|(% style="width:83px" %)0X03|(% style="width:110px" %)0X02|(% style="width:94px" %)0X03 0X16|(% style="width:72px" %)(((
1026 +0X39
1027 +)))|(% style="width:77px" %)0X7A
1028 +
1029 +Calculation of residual chlorine concentration: 316H (hexadecimal) = 790 => residual chlorine = 7.90
1030 +
1031 +
1032 +Example 2: Set the deviation value for the current residual chlorine value of the device with address 01 to correct the value and send the frame: (If the current residual gas value output by the device is 7.90, the value needs to be corrected to 8.00, the difference is 8.00-7.90-0.100.1*100=10=>41200000 (floating point number), write 41200000 to the contents of the two registers)
1033 +
1034 +(% border="1" cellspacing="3" style="background-color:#f2f2f2; width:518px" %)
1035 +|=(% 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" %)Register address|=(% style="width: 64.75px;background-color:#4F81BD;color:white" %)Register number|=(% style="width: 64.75px;background-color:#4F81BD;color:white" %)Byte number|=(% style="width: 64.75px; background-color: rgb(79, 129, 189); color: white;" %)Register content|=(% style="width: 54.75px;background-color:#4F81BD;color:white" %)CRC16 low|=(% style="width: 58.75px;background-color:#4F81BD;color:white" %)CRC16 high
1036 +|(% style="width:99px" %)0X01|(% style="width:112px" %)0X10|(% style="width:135px" %)0X01 0X12|(% style="width:126px" %)0X00 0X02|(% style="width:85px" %)0X04|(% style="width:1px" %)0X4120 0X0000|(% style="width:1px" %)0X08|(% style="width:1px" %)0X1A
1037 +
1038 +**response:**
1039 +
1040 +(% border="1" cellspacing="3" style="background-color:#f2f2f2; width:534.333px" %)
1041 +|=(% style="width: 42px;background-color:#4F81BD;color:white" %)Address|=(% style="width: 83px; background-color: rgb(79, 129, 189); color: white;" %)Function code|=(% style="width: 110px; background-color: rgb(79, 129, 189); color: white;" %)Register address|=(% style="width: 94px; background-color: rgb(79, 129, 189); color: white;" %)Register number|=(% style="width: 72px; background-color: rgb(79, 129, 189); color: white;" %)CRC16 low|=(% style="width: 77px; background-color: rgb(79, 129, 189); color: white;" %)CRC16 high
1042 +|(% style="width:99px" %)0X01|(% style="width:83px" %)0X10|(% style="width:110px" %)0X01 0X12|(% style="width:94px" %)0X00 0X02|(% style="width:72px" %)(((
1043 +0XE5
1044 +)))|(% style="width:77px" %)0X0D
1045 +
1046 +
1047 +
1048 += 7.  Water Quality Sensor Datasheet =
1049 +
925 925  * **[[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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