S31B-LB/LS – LoRaWAN Temperature & Humidity Sensor – Dragino | DistrIoT
Dragino
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S31B-LB/LS – LoRaWAN Temperature & Humidity Sensor – Dragino

Capteur LoRaWAN S31B-LB/LS de Dragino : mesure précise de température et humidité, boîtier IP66, batterie longue durée ou solaire, idéal IoT extérieur.

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Description détaillée

General Description

The Dragino S31B-LB/LS is a temperature and humidity sensor designed for outdoor IoT applications. It uses LoRaWAN technology to transmit accurate environmental data over long distances with minimal power consumption. Equipped with the Sensirion SHT31 sensor, it ensures long-term reliability and stability. Its IP66 waterproof housing makes it ideal for outdoor use.

Targeted Applications

  • Building automation and home automation
  • Cold chain management and logistics
  • Smart agriculture and greenhouses
  • Smart cities and environmental monitoring
  • Laboratories and industrial environments

Highlights

  • LoRaWAN 1.0.3 Class A Technology
  • Accurate and stable SHT31 sensor
  • IP66 waterproof enclosure for outdoor use
  • Powered by 8500mAh battery (S31B-LB) or solar panel + 3000mAh battery (S31B-LS)
  • Temperature and humidity alarm function
  • Data logging in case of network loss (Datalog)
  • Setup via Bluetooth v5.1 and OTA updates

Technical Specifications

General Characteristics
Operating temperature range -40°C to +85°C
Supply voltage 2.5V to 3.6V (built-in battery)
Temperature Sensor
Measuring range -40°C to +80°C
Precision ±0.2°C (0-90°C)
Resolution 0.1°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
LoRa Specifications
Frequency range 862 to 1020 MHz
Maximum RF power +22 dBm
RX sensitivity Up to -139 dBm
Immunity to jamming Excellent
Battery
Kind Non-rechargeable Li/SOCI2 (S31B-LB) or solar panel + Li-ion 3000mAh (S31B-LS)
Ability 8500mAh (S31B-LB)
Self-discharge <1%/year at 25°C
Maximum continuous current 130mA
Max boost current 2A for 1 second
Electricity Consumption
Sleep mode 5µA @ 3.3V
LoRa transmission mode 125mA @ 20dBm, 82mA @ 14dBm

Interfaces and Connectors

  • LoRaWAN 1.0.3 Class A interface
  • Bluetooth v5.1 for local configuration
  • Support for OTA updates via LoRaWAN
  • Compatible with frequency bands: CN470, EU433, KR920, US915, EU868, AS923, AU915, IN865

Pack Contents

  • 1 x S31B-LB or S31B-LS Temperature & Humidity Sensor
  • 1 x External Antenna

Dimensions and Weight

  • Dimensions: 120 x 55 x 200 mm
  • Weight: 370 g