S31-CB/S31B-CB – NB-IoT/LTE-M Outdoor Temperature & Humidity Sensor – Dragino | DistrIoT
Dragino
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S31-CB/S31B-CB – NB-IoT/LTE-M Outdoor Temperature & Humidity Sensor – Dragino

Capteur NB-IoT/LTE-M Dragino S31-CB/S31B-CB, mesure précise T°/HR, IP66, batterie 8500mAh, BLE, MQTT, OTA, idéal IoT extérieur.

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Description détaillée

S31-CB/S31B-CB – NB-IoT/LTE-M Outdoor Temperature & Humidity Sensor – Dragino

General Description

The Dragino S31-CB and S31B-CB sensors are designed for environmental monitoring in IoT applications. They accurately measure ambient temperature and humidity, transmitting data via NB-IoT or LTE-M networks. Equipped with the Sensirion SHT31 sensor, they guarantee long-term reliability and stability. Their IP66-rated waterproof housing and 8500mAh Li-SOCl₂ battery ensure long-lasting outdoor use. Configuration and updates can be performed remotely via Bluetooth BLE.

Targeted Applications

  • Climate monitoring in smart agriculture
  • Humidity management in smart buildings
  • Monitoring environmental conditions in logistics
  • Integration into smart city systems

Highlights

  • Accurate temperature and humidity measurement with the SHT31 sensor
  • Data transmission via NB-IoT or LTE-M
  • IP66 waterproof housing for outdoor use
  • 8500mAh Li-SOCl₂ battery for long battery life
  • Remote configuration and updates via Bluetooth BLE
  • Support for MQTT, MQTTs, TCP, UDP and CoAP protocols

Technical Specifications

Sensor
Sensor type Sensirion SHT31
Temperature range -40°C to +80°C
Temperature accuracy ±0.2°C (0-90°C)
Temperature resolution 0.01°C
Humidity range 0% to 99.9% RH
Humidity accuracy ±2% RH
Humidity resolution 0.01% RH
Long-term displacement (T°) <0.03°C/year
Long-term displacement (HR) <0.25% RH/year
Connectivity
Supported networks NB-IoT, LTE-M (CAT-M1)
NB-IoT bands B1/B2/B3/B4/B5/B8/B12/B13/B17/B18/B19/B20/B25/B28/B66/B70/B85
LTE-M bands B1/B2/B3/B4/B5/B8/B12/B13/B18/B19/B20/B25/B26/B27/B28/B66/B85
Protocols MQTT, MQTTs, TCP, UDP, CoAP
NB-IoT module BC660K-GL
Food
Battery Type Non-rechargeable Li-SOCl₂
Ability 8500mAh
Self-discharge <1% per year at 25°C
Max direct current 130mA
Max boost current 2A for 1 second
Standby mode consumption 14µA @ 3.3V
Consumption in transmission 350mA @ 3.3V
Environment
Operating temperature -40°C to +85°C
Protection index IP66
Additional Features
Remote configuration Bluetooth BLE
Firmware updates OTA (Over-The-Air)
Alarms Configurable temperature and humidity

Interfaces and Connectors

  • Bluetooth BLE for configuration and updates
  • SIM card slot (1T version with 1NCE SIM pre-installed)
  • Connector for external probe (S31-CB only, 3 meter cable)

Pack Contents

  • S31-CB or S31B-CB sensor
  • External antenna
  • Quick Start Guide