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Last modified by Kilight Cao on 2025/07/22 16:13
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edited by kai
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To version 81.5
edited by Mengting Qiu
on 2025/07/01 13:55
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237 237  [[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"]]
238 238  
239 239  
240 -== 4.6 Calibration values ==
240 +== 4.6 Calibration Values (K-value Adjustment) ==
241 241  
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)**).
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)**).
243 243  
244 -For example：
244 +**Calibration Principle**
245 245  
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 +Scenario:
251 +
252 +* Sensor 1 (reference) reads 1500.
253 +* Sensor 2 reads 2000, but should match Sensor 1's value (~~1500).
254 +
246 246  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.
247 247  
248 248  Modify the K value of sensor 2: