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Last modified by Mengting Qiu on 2025/07/01 15:58
From version 67.3
edited by Xiaoling
on 2023/12/14 10:48
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To version 73.3
edited by Xiaoling
on 2024/01/04 16:30
Change comment: There is no comment for this version

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1 -S31-LB / S31B-LB LoRaWAN Outdoor Temperature & Humidity Sensor User Manual
1 +S31/S31B-LB/LS -- LoRaWAN Outdoor Temperature & Humidity Sensor User Manual
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1 + (% style="display:none" %) (%%) (% style="display:none" %) (%%) (% style="display:none" %)
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1 1  (% style="text-align:center" %)
2 -[[image:S31-B.jpg]]
4 +[[image:image-20240104162316-6.png]]
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6 6  
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11 +
7 7  **Table of Contents：**
8 8  
9 9  {{toc/}}
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15 15  
16 16  = 1. Introduction =
17 17  
18 -== 1.1 What is S31x-LB LoRaWAN Temperature & Humidity Sensor ==
23 +== 1.1 What is S31x-LB/LS LoRaWAN Temperature & Humidity Sensor ==
19 19  
20 20  
21 -The Dragino S31x-LB is a (% style="color:blue" %)**LoRaWAN Temperature and Humidity Sensor**(%%) for Internet of Things solution. It is used to measure the (% style="color:blue" %)**surrounding environment temperature and relative air humidity precisely**(%%), and then upload to IoT server via LoRaWAN wireless protocol.
26 +The Dragino S31x-LB/LS is a (% style="color:blue" %)**LoRaWAN Temperature and Humidity Sensor**(%%) for Internet of Things solution. It is used to measure the (% style="color:blue" %)**surrounding environment temperature and relative air humidity precisely**(%%), and then upload to IoT server via LoRaWAN wireless protocol.
22 22  
23 -The temperature & humidity sensor used in S31x-LB is SHT31, which is fully calibrated, linearized, and temperature compensated digital output from Sensirion, it provides a strong reliability and long-term stability. The SHT31 is fixed in a (% style="color:blue" %)**waterproof anti-condensation casing**(%%) for long term use.
28 +The temperature & humidity sensor used in S31x-LB/LS is SHT31, which is fully calibrated, linearized, and temperature compensated digital output from Sensirion, it provides a strong reliability and long-term stability. The SHT31 is fixed in a (% style="color:blue" %)**waterproof anti-condensation casing**(%%) for long term use.
24 24  
25 -The LoRa wireless technology used in S31x-LB allows device to send data and reach extremely long ranges at low data-rates. It provides ultra-long range spread spectrum communication and high interference immunity whilst minimizing current consumption.
30 +The LoRa wireless technology used in S31x-LB/LS allows device to send data and reach extremely long ranges at low data-rates. It provides ultra-long range spread spectrum communication and high interference immunity whilst minimizing current consumption.
26 26  
27 -S31x-LB supports (% style="color:blue" %)**Temperature & Humdity alarm feature**(%%), user can set temperature alarm for instant notice. S31x-LB supports Datalog feature, it can save the data when there is no LoRaWAN network and uplink when network recover.
32 +S31x-LB/LS supports (% style="color:blue" %)**Temperature & Humdity alarm feature**(%%), user can set temperature alarm for instant notice. S31x-LB/LS supports Datalog feature, it can save the data when there is no LoRaWAN network and uplink when network recover.
28 28  
29 -S31x-LB (% style="color:blue" %)**supports BLE configure**(%%) and (% style="color:blue" %)**wireless OTA update**(%%) which make user easy to use.
34 +S31x-LB/LS (% style="color:blue" %)**supports BLE configure**(%%) and (% style="color:blue" %)**wireless OTA update**(%%) which make user easy to use.
30 30  
31 -S31x-LB is powered by (% style="color:blue" %)**8500mAh Li-SOCI2 battery**(%%), it is designed for long term use up to 5 years.
36 +S31x-LB/LS is powered by (% style="color:blue" %)**8500mAh Li-SOCI2 battery**(%%) or (% style="color:blue" %)**solar powered + li-on battery**(%%) it is designed for long term use up to 5 years.
32 32  
33 -Each S31x-LB is pre-load with a set of unique keys for LoRaWAN registrations, register these keys to local LoRaWAN server and it will auto connect after power on.
38 +Each S31x-LB/LS is pre-load with a set of unique keys for LoRaWAN registrations, register these keys to local LoRaWAN server and it will auto connect after power on.
34 34  
35 35  
36 36  == 1.2 ​Features ==
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141 141  
142 142  
143 143  (% border="1" cellspacing="5" style="width:461.818px" %)
144 -|=(% style="width: 102px;background-color:#D9E2F3;color:#0070C0" %)Model|=(% style="width: 180px; background-color: rgb(217, 226, 243); color: rgb(0, 112, 192);" %)Photo|=(% style="width: 178px; background-color: rgb(217, 226, 243); color: rgb(0, 112, 192);" %)Probe Info
149 +|=(% 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
145 145  |(% style="width:102px" %)(((
146 146  S31-LB
147 -)))|(% style="width:180px" %)[[image:image-20230527093214-2.jpeg]]|(% style="width:178px" %)(((
152 +)))|(% style="width:182px" %)[[image:image-20230527093214-2.jpeg]]|(% style="width:176px" %)(((
148 148  1 x SHT31 Probe
149 149  
150 150  Cable Length : 2 meters
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153 153  )))
154 154  |(% style="width:102px" %)(((
155 155  S31B-LB
156 -)))|(% style="width:180px" %)[[image:image-20230527093155-1.jpeg]]|(% style="width:178px" %)(((
161 +)))|(% style="width:182px" %)[[image:image-20230527093155-1.jpeg]]|(% style="width:176px" %)(((
157 157  1 x SHT31 Probe
158 158  
159 159  Installed in device.
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346 346  
347 347  If payload is: FF3FH :  (FF3F & 8000 == 1) , temp = (FF3FH - 65536)/10 = -19.3 degrees.
348 348  
349 -（FF3F & 8000：Judge whether the highest bit is 1, when the highest bit is 1, it is negative）
354 +(FF3F & 8000：Judge whether the highest bit is 1, when the highest bit is 1, it is negative)
350 350  
351 351  
352 352  ==== (% style="color:#4472c4" %)**Humidity**(%%) ====
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