S31-NB/S31B-NB – NB-IoT Temperature & Humidity Sensor – Dragino | DistrIoT
Dragino
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S31-NB/S31B-NB – NB-IoT Temperature & Humidity Sensor – Dragino

Capteur NB-IoT IP66 pour température et humidité, autonomie longue durée, alarme intégrée, idéal pour agriculture, bâtiments intelligents et logistique.

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Description détaillée

S31-NB/S31B-NB – NB-IoT Temperature & Humidity Sensor – Dragino

S31-NB / S31B-NB – NB-IoT Temperature & Humidity Sensor – Dragino

General Description

Dragino's S31-NB and S31B-NB are temperature and humidity sensors designed for IoT applications using the NB-IoT network. Equipped with Sensirion's SHT31 digital sensor, these devices offer accurate and reliable measurements in an IP66-rated waterproof housing, ensuring optimal performance even in harsh outdoor environments. Powered by an 8500mAh Li-SOCI2 battery, they guarantee extended battery life, ideal for long-term installations without frequent maintenance.

Targeted Applications

  • Smart buildings and home automation
  • Cold chain management and logistics
  • Smart agriculture and greenhouses
  • Smart cities and urban infrastructure
  • Outdoor environmental monitoring

Highlights

  • Accurate and stable SHT31 sensor
  • IP66 waterproof enclosure for outdoor use
  • Battery life up to several years with 8500mAh battery
  • Support for MQTT, MQTTs, TCP, UDP protocols
  • Setup and OTA update via Bluetooth v5.1
  • Alarm function for temperature and humidity
  • Multiple samplings with a single transmission
  • Compatible with various IoT platforms

Technical Specifications

General Characteristics
Operating temperature range -40 to +85°C
Food 2.5V~3.6V (built-in Li-SOCI2 battery)
Battery capacity 8500mAh
Autonomy Up to several years (depending on use)
Standby mode consumption 10µA @ 3.3V
Consumption in transmission 350mA @ 3.3V
Temperature Sensor
Kind Sensirion SHT31
Measuring range -40 to +80°C
Precision ±0.2°C (0 to 90°C)
Resolution 0.01°C
Long-term drift <0.03°C/year
Humidity Sensor
Measuring range 0 to 99.9% RH
Precision ±2% RH
Resolution 0.01% RH
Long-term drift <0.25% RH/year
NB-IoT connectivity
Module Quectel BC660K-GL
Supported bands B1/B2/B3/B4/B5/B8/B12/B13/B17/B18/B19/B20/B25/B28/B66/B70/B85
Communication protocols MQTT, MQTTs, TCP, UDP
Configuration Bluetooth v5.1, AT Commands
Firmware update OTA (Over-The-Air)
Physical Characteristics
Housing Waterproof IP66
Dimensions Unspecified
Weight Unspecified

Interfaces and Connectors

  • Nano SIM card slot (NB-IoT)
  • Bluetooth v5.1 interface for configuration and update
  • External connector for probe (S31-NB only)
  • External antenna for better reception

Pack Contents

  • 1 x S31-NB or S31B-NB Sensor
  • 1 x External Antenna
  • 1 x User Manual