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Last modified by Mengting Qiu on 2025/07/01 15:58
From version 72.1
edited by Xiaoling
on 2024/01/04 16:21
Change comment: Uploaded new attachment "image-20240104162104-5.png", version {1}
To version 66.1
edited by Bei Jinggeng
on 2023/08/02 10:43
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Title
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1 -S31/S31B-LB/LS -- LoRaWAN Outdoor Temperature & Humidity Sensor User Manual
1 +S31-LB / S31B-LB LoRaWAN Outdoor Temperature & Humidity Sensor User Manual
Author
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1 -XWiki.Xiaoling
1 +XWiki.Bei
Content
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1 -[[image:S31-B.jpg||height="388" width="779"]]
1 +(% style="text-align:center" %)
2 +[[image:S31-B.jpg]]
2 2  
3 - [[image:image-20240104161116-1.png||height="350" width="276"]] [[image:image-20240104161535-2.png||height="336" width="208"]]
4 4  
5 5  
6 +
6 6  **Table of Contents：**
7 7  
8 8  {{toc/}}
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38 38  * LoRaWAN 1.0.3 Class A
39 39  * Ultra-low power consumption
40 40  * External 3 meters SHT31 probe (For S31-LB)
41 -* Measure range -40°C ~~ 80°C
42 +* Measure range -55°C ~~ 125°C
42 42  * Temperature & Humidity alarm
43 43  * Bands: CN470/EU433/KR920/US915/EU868/AS923/AU915/IN865
44 44  * Support Bluetooth v5.1 and LoRaWAN remote configure
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139 139  == 1.8 Hardware Variant ==
140 140  
141 141  
142 -(% border="1" cellspacing="5" style="width:461.818px" %)
143 -|=(% style="width: 102px;background-color:#D9E2F3;color:#0070C0" %)Model|=(% style="width: 182px; background-color: rgb(217, 226, 243); color: rgb(0, 112, 192);" %)Photo|=(% style="width: 176px; background-color: rgb(217, 226, 243); color: rgb(0, 112, 192);" %)Probe Info
143 +(% border="1" cellspacing="5" style="width:472px" %)
144 +|=(% style="width: 102px;background-color:#D9E2F3;color:#0070C0" %)Model|=(% style="width: 190px;background-color:#D9E2F3;color:#0070C0" %)Photo|=(% style="width: 187px; background-color:#D9E2F3;color:#0070C0" %)Probe Info
144 144  |(% style="width:102px" %)(((
145 145  S31-LB
146 -)))|(% style="width:182px" %)[[image:image-20230527093214-2.jpeg]]|(% style="width:176px" %)(((
147 +)))|(% style="width:190px" %)[[image:image-20230527093214-2.jpeg]]|(% style="width:187px" %)(((
147 147  1 x SHT31 Probe
148 148  
149 149  Cable Length : 2 meters
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152 152  )))
153 153  |(% style="width:102px" %)(((
154 154  S31B-LB
155 -)))|(% style="width:182px" %)[[image:image-20230527093155-1.jpeg]]|(% style="width:176px" %)(((
156 +)))|(% style="width:190px" %)[[image:image-20230527093155-1.jpeg]]|(% style="width:187px" %)(((
156 156  1 x SHT31 Probe
157 157  
158 158  Installed in device.
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345 345  
346 346  If payload is: FF3FH :  (FF3F & 8000 == 1) , temp = (FF3FH - 65536)/10 = -19.3 degrees.
347 347  
348 -(FF3F & 8000：Judge whether the highest bit is 1, when the highest bit is 1, it is negative)
349 +（FF3F & 8000：Judge whether the highest bit is 1, when the highest bit is 1, it is negative）
349 349  
350 350  
351 351  ==== (% style="color:#4472c4" %)**Humidity**(%%) ====
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