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Last modified by Mengting Qiu on 2025/07/01 15:58
From version 69.3
edited by Xiaoling
on 2024/01/04 16:16
Change comment: There is no comment for this version
To version 66.1
edited by Bei Jinggeng
on 2023/08/02 10:43
Change comment: There is no comment for this version

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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 1  (% style="text-align:center" %)
2 -[[image:S31-B.jpg||height="388" width="779"]]
2 +[[image:S31-B.jpg]]
3 3  
4 4  
5 -[[image:image-20240104161116-1.png||height="370" width="292"]] [[image:image-20240104161535-2.png||height="336" width="208"]]
6 6  
7 7  
8 8  **Table of Contents：**
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40 40  * LoRaWAN 1.0.3 Class A
41 41  * Ultra-low power consumption
42 42  * External 3 meters SHT31 probe (For S31-LB)
43 -* Measure range -40°C ~~ 80°C
42 +* Measure range -55°C ~~ 125°C
44 44  * Temperature & Humidity alarm
45 45  * Bands: CN470/EU433/KR920/US915/EU868/AS923/AU915/IN865
46 46  * Support Bluetooth v5.1 and LoRaWAN remote configure
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141 141  == 1.8 Hardware Variant ==
142 142  
143 143  
144 -(% border="1" cellspacing="5" style="width:461.818px" %)
145 -|=(% 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
146 146  |(% style="width:102px" %)(((
147 147  S31-LB
148 -)))|(% style="width:182px" %)[[image:image-20230527093214-2.jpeg]]|(% style="width:176px" %)(((
147 +)))|(% style="width:190px" %)[[image:image-20230527093214-2.jpeg]]|(% style="width:187px" %)(((
149 149  1 x SHT31 Probe
150 150  
151 151  Cable Length : 2 meters
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154 154  )))
155 155  |(% style="width:102px" %)(((
156 156  S31B-LB
157 -)))|(% style="width:182px" %)[[image:image-20230527093155-1.jpeg]]|(% style="width:176px" %)(((
156 +)))|(% style="width:190px" %)[[image:image-20230527093155-1.jpeg]]|(% style="width:187px" %)(((
158 158  1 x SHT31 Probe
159 159  
160 160  Installed in device.
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347 347  
348 348  If payload is: FF3FH :  (FF3F & 8000 == 1) , temp = (FF3FH - 65536)/10 = -19.3 degrees.
349 349  
350 -(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）
351 351  
352 352  
353 353  ==== (% style="color:#4472c4" %)**Humidity**(%%) ====
image-20231127154814-1.png
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