The Dragino S31-LS is a LoRaWAN® temperature and humidity sensor designed for accurate environmental monitoring in agriculture, industrial applications, and smart cities. It provides real-time temperature and humidity data via a low-power LoRaWAN® connection, enabling remote monitoring with minimal maintenance.
With an IP66-rated enclosure and an IP68 waterproof sensor probe, the S31-LS ensures reliable operation in harsh environments. Its solar-powered design with a built-in Li-ion battery allows for long-term usage without frequent battery replacements.
🔑 Key Features
✔ High-Precision Temperature & Humidity Measurement – Provides accurate and stable environmental data for industrial and outdoor applications.
✔ LoRaWAN® Wireless Transmission – Long-range, low-power LoRaWAN® communication for efficient data transfer.
✔ Solar-Powered with Low Power Consumption – Built-in solar panel and Li-ion battery ensure long-term operation.
✔ Bluetooth Configuration & OTA Firmware Updates – Supports Bluetooth v5.1 for easy setup and over-the-air (OTA) updates.
✔ Durable & Weatherproof Design – IP66-rated enclosure with IP68 sensor probe, ideal for outdoor deployments.
📦 Technical Specifications
✅ LoRaWAN® Protocol: 1.0.3, Class A
✅ Frequency Bands: CN470, EU433, KR920, US915, EU868, AS923, AU915, IN865
✅ Power Supply: Solar panel with Li-ion battery
✅ Operating Temperature: -40°C to 85°C
✅ Enclosure Rating: IP66 (sensor body), IP68 (sensor probe)
✅ Dimensions: Refer to the datasheet for detailed measurements
📥 Product Downloads
Feature | Specification |
Supply Voltage | Built-in Battery, 2.5V ~ 3.6V |
Operating Temperature | -40°C to 85°C |
Temperature Measurement Range | -40°C to 80°C |
Temperature Accuracy | ±0.2°C (0-90°C) |
Temperature Resolution | 0.1°C |
Temperature Long-Term Shift | <0.03°C/year |
Humidity Measurement Range | 0% to 99.9% RH |
Humidity Accuracy | ±2% RH (0-100% RH) |
Humidity Resolution | 0.01% RH |
Humidity Long-Term Shift | <0.25% RH/year |
LoRaWAN Compliance | LoRaWAN 1.0.3 Class A |
Frequency Bands | CN470, EU433, KR920, US915, EU868, AS923, AU915, IN865 |
Bluetooth Version | v5.1 |
Enclosure Rating | IP66 |
Battery Capacity | 8500mAh Li/SOCl₂ (S31-LB); 3000mAh Li-ion with Solar Panel (S31-LS) |
Battery Life | Up to 5 years |