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Dragino S31-LB LoRaWAN Temperature & Humidity Sensor

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₹ 7,120.00
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  3. Dragino S31-LB LoRaWAN Temperature & Humidity Sensor
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Dragino S31-LB LoRaWAN Temperature & Humidity Sensor

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Dragino S31-LB is a LoRaWAN® temperature and humidity sensor designed for accurate environmental monitoring in industrial, commercial, building automation and outdoor IoT applications. It uses an external 3-meter Sensirion SHT31 temperature and humidity probe housed in a waterproof anti-condensation casing, providing a temperature measurement range of -40°C to 80°C with ±0.2°C accuracy and humidity measurement from 0 to 99.9% RH. The S31-LB supports LoRaWAN 1.0.3 Class A communication, configurable temperature and humidity alarms, datalog storage, Bluetooth 5.1 configuration, LoRaWAN remote configuration and wireless OTA firmware updates. With an IP66 enclosure, 8500mAh Li-SOCl2 battery and IN865 frequency option, it is suitable for long-term wireless temperature and humidity monitoring deployments in India.

₹ 7,120.00 7120.0 INR ₹ 7,120.00

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  • LoRaWAN® 1.0.3 Class A compliant
  • High-accuracy Sensirion SHT31 temperature & humidity sensor
  • External 3-meter waterproof SHT31 probe
  • IP66 waterproof enclosure for outdoor deployment
  • 8500mAh Li/SOCl2 battery (up to 5 years operation)
  • Temperature & humidity alarm feature
  • Datalog function for offline data storage
  • BLE v5.1 configuration support
  • Remote configuration via LoRaWAN® downlink
  • Wireless OTA firmware upgrade
  • Ultra-low power consumption
  • Supports IN865 band


Common DC Characteristics

  • Supply Voltage: Built-in battery, 2.5V ~ 3.6V
  • Operating Temperature: -40°C to 85°C

Temperature Sensor (SHT31)

  • Range: -40°C to +80°C
  • Accuracy: ±0.2°C (0–90°C)
  • Resolution: 0.1°C
  • Long-term shift: <0.03°C/year

Humidity Sensor

  • Range: 0 to 99.9% RH
  • Accuracy: ±2% RH
  • Resolution: 0.01% RH
  • Long-term shift: <0.25% RH/year

LoRa Specifications

  • Frequency Range (HF Band): 862 ~ 1020 MHz
  • Supports IN865
  • Max +22 dBm RF output
  • RX Sensitivity: up to -139 dBm
  • Excellent blocking immunity

Battery

  • Type: Li/SOCl2 non-rechargeable battery
  • Capacity: 8500mAh
  • Self-discharge: <1% per year @ 25°C
  • Max continuous current: 130mA
  • Max boost current: 2A (1 second)

Power Consumption

  • Sleep Mode: 5uA @ 3.3V
  • LoRa Transmit Mode:
    • 125mA @ 20dBm
    • 82mA @ 14dBm

Mechanical

  • IP66 waterproof enclosure
  • Device Size: 120 × 55 × 200 mm
  • Device Weight: 370g

Package Includes

  • 1 × S31-LB LoRaWAN® Temperature & Humidity Sensor

The Dragino S31-LB LoRaWAN® Temperature & Humidity Sensor is ideal for:

  • Industrial automation and process monitoring
  • Commercial building management systems
  • Water systems and pump monitoring
  • Cold chain storage and logistics
  • Manufacturing environmental control
  • Utilities and smart metering
  • Infrastructure and smart city projects
  • Campuses, hospitals, and institutional facilities
  • Long-range irrigation systems

You can purchase the genuine Dragino S31-LB LoRaWAN® Temperature & Humidity Sensor from AIoTkart®, an Authorized Dragino Distributor in India offering nationwide delivery and bulk supply support.

Yes, the S31-LB features an IP66 waterproof enclosure and an industrial-grade SHT31 probe, making it suitable for outdoor installations, industrial automation, utilities, and infrastructure monitoring projects.

Yes, the S31-LB supports a datalog feature that stores temperature and humidity readings when the LoRaWAN® network is unavailable and automatically uplinks the data once connectivity is restored.

Documents

User Manual
Download

S31-LB_Datasheet

Download

S31B-LB_Firmware 

Download

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