Skip to Content
S31-LB LoRaWAN® Temperature & Humidity Sensor
  2. Shop
  3. Ambient Sensors
  4. S31-LB LoRaWAN® Temperature & Humidity Sensor
RS485-LS RS485 to LoRaWAN® Converter
RS485-LS RS485 to LoRaWAN® Converter
Login | Register to see price
PS-LB-I5 LoRaWAN® Water / Liquid Pressure Sensor
PS-LB-I5 LoRaWAN® Water / Liquid Pressure Sensor
Login | Register to see price

S31-LB LoRaWAN® Temperature & Humidity Sensor

https://www.aiotkart.com/web/image/product.template/17759/image_1920?unique=abd81f8

The Dragino S31-LB LoRaWAN® Temperature & Humidity Sensor is an industrial-grade environmental monitoring solution designed for long-range IoT deployments across India. Built for professional Industrial, Commercial, and Institutional applications, this LoRaWAN® temperature and humidity sensor uses the high-precision Sensirion SHT31 probe housed in a waterproof anti-condensation casing for reliable long-term performance. The S31-LB supports LoRaWAN® 1.0.3 Class A protocol, enabling ultra-long-range LPWAN communication with minimal power consumption. With an 8500mAh Li-SOCl2 battery providing up to 5 years of operation, BLE configuration support, wireless OTA firmware updates, and datalog functionality, it ensures dependable data transmission even in remote locations. AIoTkart®, as an Authorized Dragino Distributor in India, supplies genuine S31-LB sensors for industrial automation, utilities, infrastructure, and enterprise IoT projects nationwide.

Login | Register to see price

Not Available For Sale

(₹ 0.00 / UNIT)
4 people are viewing this right now

This combination does not exist.

Contact Us

  • 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 and global frequency bands


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, EU868, US915, AU915, AS923, KR920, EU433, CN470
  • 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

S31-LB_User_Manual

Download

S31-LB_Datasheet

Download

S31B-LB_Firmware 

Download

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.