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Changes for page Water Quality Sensors

Last modified by Karry Zhuang on 2025/07/25 09:38
From version 72.2
edited by Karry Zhuang
on 2025/07/16 09:25
Change comment: There is no comment for this version
To version 73.3
edited by Karry Zhuang
on 2025/07/18 09:20
Change comment: There is no comment for this version

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Content
... ... @@ -20,6 +20,10 @@
20 20  ** **ECK1.0 :** 0 ~~ 2,000 μS/cm  Resolution: 1 μS/cm
21 21  ** **ECK10.0 : **10 ~~ 20,000 μS/cm  Resolution: 10 μS/cm
22 22  ** **EC200 : **1 ~~ 200,000 μS/cm  Resolution: 1 μS/cm
23 +* **Probe Electrode**
24 +** **ECK1.0 :** K1 Electrode
25 +** **ECK10.0 :** K10 Electrode
26 +** **EC200 :** FourElectrode
23 23  * **EC Accuracy**: ±1% FS
24 24  * **Salinity measurement range**
25 25  ** **EC200 :**0~~70PSU Resolution: 0.1PSU
... ... @@ -113,7 +113,10 @@
113 113  RS485 signal (K1 default address 0x12; K10 default address 0x11):
114 114  Standard Modbus-RTU protocol, baud rate: 9600; check bit: none; data bit: 8; stop bit: 1
115 115  
120 +(% style="color:red" %)**The following commands are by default for ECK1/ECK10.**
116 116  
122 +(% style="color:red" %)**Please note that EC200 has different commands.**
123 +
117 117  === 1.7.1 Query address ===
118 118  
119 119  
... ... @@ -214,8 +214,30 @@
214 214  
215 215  EC200
216 216  
224 +(% border="1" cellspacing="3" style="background-color:#f2f2f2; width:534.333px" %)
225 +|=(% 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
226 +|(% style="width:99px" %)0X01|(% style="width:112px" %)0X03|(% style="width:74px" %)0X00 0X00|(% style="width:94px" %)0X00 0X04|(% style="width:72px" %)(((
227 +0XC5
228 +)))|(% style="width:77px" %)0XC8
217 217  
230 +**response:**
218 218  
232 +(% border="1" cellspacing="3" style="background-color:#f2f2f2; width:534.333px" %)
233 +|=(% 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;" %)Number of 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
234 +|(% style="width:99px" %)0X01|(% style="width:112px" %)0X03|(% style="width:74px" %)0X08|(% style="width:94px" %)(((
235 +0X00 0X00  0X1E 0XEF 0X01 0X14 0X00 0X2B
236 +)))|(% style="width:72px" %)(((
237 +0X42
238 +)))|(% style="width:77px" %)0X59
239 +
240 +Conductivity calculation: 0X1EEF=7919=>Conductivity=7919μS/cm
241 +Temperature calculation: 0X0114=276=>Temperature=27.6℃
242 +Salinity calculation: 0X002b=43=>Salinity=4.3PSU
243 +
244 +
245 +
246 +
247 +
219 219  === 1.7.5 Calibration Method ===
220 220  
221 221  ECK1 and ECK10.0
... ... @@ -264,7 +264,7 @@
264 264  
265 265  
266 266  
267 -ECK200.0
296 +EC200
268 268  
269 269  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.
270 270