Dragino S31 | NB-IoT Temperature & Humidity Sensor with External Probe

The Dragino S31 is a high-performance NB-IoT Temperature and Humidity Sensor designed for professional environmental monitoring. It utilizes the industry-leading Sensirion SHT31 sensor, which is fully calibrated, linearized, and temperature-compensated to provide exceptional long-term stability and reliability. The external probe is protected by a specialized waterproof and anti-condensation casing, ensuring accurate data collection even in harsh outdoor or high-humidity conditions. With built-in alarm features, the S31 ensures that any environmental deviation is immediately reported to your IoT platform for rapid response.

Precision Environmental Monitoring

Global NB-IoT Connectivity Compatible with multiple NB-IoT bands (B1, B3, B8, B20, B28), allowing for worldwide deployment across major cellular networks. Advanced Configuration Supports Bluetooth (BLE) for easy local setup via smartphone and wireless OTA updates for remote firmware maintenance.

Professional Deployment Scenarios

• Agriculture: Precision monitoring for greenhouses, silos, and smart barns to optimize crop and livestock health. • Smart Buildings: Monitor HVAC efficiency and prevent mold growth in laboratories, museums, and offices. • Logistics: Track environmental conditions in temperature-sensitive warehouses and storage facilities.

Dragino Power Options

• Model NB: 8500mAh Non-rechargeable battery for long-term multi-year operation. • Model NB2: High-capacity 19000mAh battery for maximum maintenance-free longevity. • Model NS: 3000mAh Solar-powered rechargeable battery for sustainable maintenance-free use.

What is in the Box?

• 1 x Dragino S31 NB-IoT Sensor Node • 1 x External SHT31 Temperature & Humidity Probe • 1 x Wall/Pole Mounting Bracket Kit • 1 x Quick Start Guide

Product Certifications

CE FCC RoHS IP66