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Last modified by Kilight Cao on 2025/07/22 16:13
From version 76.1
edited by Xiaoling
on 2025/05/07 17:24
Change comment: There is no comment for this version
To version 81.4
edited by Mengting Qiu
on 2025/07/01 13:53
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1 -XWiki.Xiaoling
1 +XWiki.ting
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163 163  * Yearly Stability: ≤ ±2%
164 164  * Working Temperature: -30℃ ~~ 75℃
165 165  * Working Humidity: 10 ~~ 90%RH
166 -* Power Consumption: 3mA @ 12v
166 +* Power Consumption: 5mA @ 12v  &  6mA @ 5v
167 +* Stable Time: 5s
167 167  
168 168  == 3.2 Wiring ==
169 169  
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236 236  [[image:https://wiki.dragino.com/xwiki/bin/download/Main/User%20Manual%20for%20LoRaWAN%20End%20Nodes/Dragino%20LoRaWAN%20Weather%20Station%20User%20Manual/WebHome/1656057377943-564.png?rev=1.1||alt="1656057377943-564.png"]]
237 237  
238 238  
240 +== 4.6 Calibration Values (K-value Adjustment) ==
241 +
242 +In the event of deviations in the sensor values, calibration can be carried out by modifying the sensor's internal parameter: K-value parameter(**Default: 03E8(H)=1000(D)**).
243 +
244 +**Calibration Principle**
245 +
246 +The K-value scales the sensor's output. If multiple sensors measure the same parameter but show different values, adjust the K-value of the secondary sensor(s) to match the primary sensor's reading.
247 +
248 +**Step-by-Step Example**
249 +
250 +if the value of sensor 1 is 1500 and the value of sensor 2 is 2000, it is necessary to keep the values around 1500if the value of sensor 1 is 1500 and the value of sensor 2 is 2000, it is necessary to keep the values around 1500.
251 +
252 +Modify the K value of sensor 2:
253 +
254 +* K value calculation as follows:
255 +* 1500/2000=0.75,  0.75*1000=750
256 +* Convert 750 to hexadecimal to 02EE.
257 +* Send command to sensor 2
258 +* Send：0B 06 00 53 02 EE F8 5D  Send successfully and return this command
259 +
260 +
261 +
262 +
239 239  = 5. WSS-25 ~-~- Temperature, Humidity, Illuminance, Pressure =
240 240  
241 241  
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453 453  [[image:1746441560175-162.png||height="304" width="484"]]
454 454  
455 455  
456 -= 9. WSS-21 ~-~- Rain Gauge ~-~- WSS-21 =
480 += 9. WSS-21 ~-~- Rain Gauge =
457 457  
458 458  
459 459  WSS-21 RS485 Rain Gauge is used in meteorology and hydrology to gather and measure the amount of liquid precipitation (mainly rainfall) over an area.