Dragino S31B-NB NB-IoT Outdoor Temperature and Humidity Sensor

The Dragino S31-NB and S31B-NB are NB-IoT Temperature and Humidity Sensor for Internet of Things solution. It is used to measure the surrounding environment temperature and relative air humidity precisely, and then upload to IoT server via NB-IoT network.

The temperature & humidity sensor used in S31-NB / S31B-NB 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.

S31-NB / S31B-NB supports different uplink methods include TCP, MQTT, UDP for different application requirement, and support uplinks to various IoT Servers.

S31-NB / S31B-NB is powered by 8500mAh Li-SOCI2 battery, It is designed for long term use up to several years. (Real-world battery life depends on the use environment, update period and uplink method. Please check related Power Analyze report).

S31-NB / S31B-NB has the optional build-in SIM card and default IoT server connection version. Which make it works with simple configure.

Features:

    NB-IoT Bands:B1/B2/B3/B4/B5/B8/B12/B13/B17/B18/B19/B20/B25/B28/B66/B70/B85 @H-FDD
    Ultra Low Power Consumption
    Monitor environment temperature
    Monitor relative air humidity
    Temperature & Humidity alarm
    Multiply Sampling and one uplink
    8500mAh Battery for long term use
    3 meters sensor cable ( for S31-NB)
    Support BLE remote configure and update firmware
    Uplink on periodically
    IP66 Waterproof Enclosure
    AT Commands to change parameters
    Uplink via MQTT, MQTTs, TCP, or UDP

Specifications:

Common DC Characteristics :

    Supply Voltage: 2.5v ~ 3.6v
    Operating Temperature: -40 ~ 85°C

Temperature Sensor :

    Range: -40 to + 80°C
    Accurancy: ±0.2 @ 0-90 °C
    Resolution: 0.01°C
    Long Term Shift: <0.03 °C/yr

Humidity Sensor :

    Range: 0 ~ 99.9% RH
    Accurancy: ± 2%RH(0 ~ 100%RH)
    Resolution: 0.01% RH
    Long Term Shift: <0.25 %RH/yr

LoRa Spec :

NB-IoT Module: BC660K-GL

Support Bands:

    B1 @H-FDD: 2100MHz
    B2 @H-FDD: 1900MHz
    B3 @H-FDD: 1800MHz
    B4 @H-FDD: 2100MHz
    B5 @H-FDD: 860MHz
    B8 @H-FDD: 900MHz
    B12 @H-FDD: 720MHz
    B13 @H-FDD: 740MHz
    B17 @H-FDD: 730MHz
    B18 @H-FDD: 870MHz
    B19 @H-FDD: 870MHz
    B20 @H-FDD: 790MHz
    B25 @H-FDD: 1900MHz
    B28 @H-FDD: 750MHz
    B66 @H-FDD: 2000MHz
    B70 @H-FDD: 2000MHz
    B85 @H-FDD: 700MHz

Battery :

    Li/SOCI2 un-chargeable battery
    Capacity: 8500mAh
    Self-Discharge: <1% / Year @ 25°C
    Max continuously current: 130mA
    Max boost current: 2A, 1 second

Power Consumption：

    STOP Mode: 10uA @ 3.3v
    Max transmit power: 350mA@3.3v