Dragino LoRaWAN® Temperature & Humidity Sensor
The Dragino S31-LB is a professional-grade wireless temperature and humidity sensor designed for long-range environmental monitoring in greenhouses, indoor farms, buildings, warehouses, and industrial facilities. Using LoRaWAN® technology, the S31-LB delivers reliable environmental data over long distances while operating for years on a single battery. It uses a high-accuracy Sensirion SHT31 sensor housed in a waterproof, anti-condensation probe for dependable long-term performance.
When connected to Microclimates EnvOS®, the S31-LB provides real-time environmental visibility, historical trending, alerts, dashboards, and automation workflows. Deploy sensors throughout your facility to monitor growing conditions, equipment rooms, storage spaces, or any location where accurate temperature and humidity measurements are critical.
Key Features
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Long-range LoRaWAN® wireless communication
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High-accuracy SHT31 temperature and humidity sensor
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External waterproof probe for reliable measurements
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Up to 5 years of battery life with the 8500 mAh battery
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IP66-rated enclosure for indoor and outdoor installations
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Configurable reporting intervals and alarm thresholds
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Bluetooth® configuration and wireless firmware updates (OTA)
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Compatible with standard LoRaWAN® gateways and networks
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Native integration with Microclimates EnvOS® for monitoring, alerts, logging, and automation
Typical Applications
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Greenhouse climate monitoring
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Indoor agriculture and vertical farms
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Cold storage and post-harvest facilities
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Warehouses and distribution centers
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Mechanical and equipment rooms
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Building environmental monitoring
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Research facilities
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General IoT environmental monitoring
Specifications
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Temperature Range: -40°C to +80°C
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Temperature Accuracy: ±0.2°C (typ.)
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Humidity Range: 0–99.9% RH
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Humidity Accuracy: ±2% RH
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Wireless: LoRaWAN® Class A (US915)
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Battery: 8500 mAh Li-SOCl₂
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Enclosure: IP66
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Configuration: Bluetooth® 5.1 & LoRaWAN downlink
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Operating Temperature: -40°C to +85°C
