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S31B-LS LoRaWAN® Temperature & Humidity Sensor
S31B-LS LoRaWAN® Temperature & Humidity Sensor
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S31B-LS LoRaWAN® Temperature & Humidity Sensor

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The Dragino S31B-LS LoRaWAN® Temperature & Humidity Sensor is a solar-powered industrial IoT device designed for reliable environmental monitoring across India. Built for long-range LoRaWAN® deployments, this temperature and humidity sensor measures ambient temperature and relative humidity accurately and transmits data securely to IoT servers via LPWAN networks. Powered by a solar panel with a 3000mAh Li-ion rechargeable battery, the S31B-LS is engineered for long-term outdoor use without frequent maintenance. It features the high-precision Sensirion SHT31 sensor in a waterproof anti-condensation casing for stable, long-term performance. Supporting LoRaWAN® 1.0.3 Class A protocol, BLE configuration, wireless OTA updates, alarm functions, and datalog backup, it is ideal for industrial automation, utilities, infrastructure, and institutional monitoring. AIoTkart®, as an Authorized Dragino Distributor in India, supplies genuine S31B-LS sensors for commercial and enterprise IoT deployments nationwide.

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  • LoRaWAN® 1.0.3 Class A compliant
  • Solar panel with 3000mAh Li-ion rechargeable battery
  • High-accuracy Sensirion SHT31 temperature & humidity sensor
  • IP66 waterproof enclosure for outdoor installations
  • Ultra-low power consumption design
  • Temperature & humidity alarm alerts
  • Datalog feature for network outage protection
  • Bluetooth v5.1 configuration support
  • Remote configuration via LoRaWAN® downlink
  • Wireless OTA firmware updates
  • Supports IN865 band

Common DC Characteristics

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

Temperature Sensor

  • 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
  • Supported Bands: IN865, EU868, US915, AU915, AS923, KR920, EU433, CN470
  • Max +22 dBm RF output
  • RX Sensitivity: up to -139 dBm
  • Excellent blocking immunity

Battery & Power

  • Solar panel powered
  • 3000mAh Li-ion rechargeable battery
  • Designed for long-term outdoor operation

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 × S31B-LS LoRaWAN® Temperature & Humidity Sensor

The Dragino S31B-LS LoRaWAN® Temperature & Humidity Sensor is suitable for:

  • Industrial automation and environmental monitoring
  • Commercial building management systems
  • Water systems and pump stations
  • Cold chain monitoring and outdoor storage
  • Manufacturing plant climate supervision
  • Utilities and smart metering infrastructure
  • Public infrastructure and smart city projects
  • Campuses, hospitals, and institutional facilities
  • Long-range irrigation systems

You can purchase the genuine Dragino S31B-LS LoRaWAN® Temperature & Humidity Sensor from AIoTkart®, an Authorized Dragino Distributor in India offering nationwide delivery and bulk supply support.

Yes, the S31B-LS features a solar panel with a 3000mAh Li-ion battery and IP66 enclosure, making it ideal for outdoor industrial, agricultural, infrastructure, and utility monitoring applications.

Yes, it supports temperature and humidity alarm alerts and includes a datalog function that stores readings locally during LoRaWAN® network outages and transmits them once connectivity is restored.

Documents

S31B-LS_User_Manual

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S31B-LS_Datasheet 

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S31B-LS_Firmware 

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Why Buy Dragino & Industrial IoT Products from AIoTkart® in India?

AloTkart® is an Authorized Dragino Distributor in India, supplying genuine LoRaWAN® gateways, sensors, and Industrial lot devices with full warranty and technical support.

Authorized Dragino Distributor in India

Purchase 100% genuine Dragino LoRaWAN® gateways, nodes, and loT solutions backed by manufacturer warranty.

Guaranteed Genuine Industrial IoT Equipment

No gray market products - only certified Dragino and industrial-grade loT hardware.

Fast PAN-India Shipping

Reliable delivery across India for startups, system integrators, enterprises, and government projects.

LoRaWAN® Deployment & Technical Support

Expert guidance for LoRaWAN® network setup, gateway configuration, sensor integration, and industrial deployments.

Bulk Supply for Large-Scale Projects

Competitive pricing and assured stock for institutional, industrial, and system integration requirements.

Trusted Industrial IoT Supplier in India

Serving smart cities, utilities, agriculture, manufacturing, research institutions, and enterprise loT projects.

Buy Dragino in India with Confidence

Explore our range of LoRaWAN® gateways, sensors, and Industrial lot devices today.