<
From version < 5.1 >
edited by Edwin Chen
on 2023/04/16 13:14
To version < 3.1 >
edited by Edwin Chen
on 2023/04/16 13:09
>
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Summary

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... ... @@ -17,7 +17,7 @@
17 17  
18 18  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.
19 19  
20 -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.
20 +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 **waterproof anti-condensation casing **for long term use.
21 21  
22 22  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.
23 23  
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36 36  
37 37  * LoRaWAN 1.0.3 Class A
38 38  * Ultra-low power consumption
39 -* External 3 meters SHT31 probe (For S31-LB)
39 +* 1 ~~ 3 External Temperature Probesr
40 40  * Measure range -55°C ~~ 125°C
41 -* Temperature & Humidity alarm
41 +* Temperature alarm
42 42  * Bands: CN470/EU433/KR920/US915/EU868/AS923/AU915/IN865
43 43  * Support Bluetooth v5.1 and LoRaWAN remote configure
44 44  * Support wireless OTA update firmware
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56 56  
57 57  (% style="color:#037691" %)**Temperature Sensor:**
58 58  
59 -* Range: -40 to + 80°C
60 -* Accuracy: ±0.2 @ 0-90 °C
61 -* Resolution: 0.1°C
62 -* Long Term Shift: <0.03 °C/yr
59 +* Dallas DS18B20
60 +* Range: -55 to + 125°C
61 +* Accuracy ±0.5°C (max ±2.0 °C).
63 63  
64 -(% style="color:#037691" %)**Humidity Sensor: **
65 -
66 -* Range: 0 ~~ 99.9% RH
67 -* Accuracy: ± 2%RH ( 0 ~~ 100%RH)
68 -* Resolution: 0.01% RH
69 -* Long Term Shift: <0.25 %RH/yr
70 -
71 71  (% style="color:#037691" %)**LoRa Spec:**
72 72  
73 73  * Frequency Range,  Band 1 (HF): 862 ~~ 1020 Mhz
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