Solar-Powered Cellular Temperature & Humidity Sensor – 3m SHT31

The S31-NS Solar-Powered NB-IoT / LTE-M Temperature & Humidity Sensor is built for long-term, maintenance-free environmental monitoring in remote or off-grid locations. Designed for agriculture, irrigation, smart cities, industrial facilities, and environmental research, it provides accurate climate data using Australia’s NB-IoT and LTE-M (Cat-M1) cellular networks.

At the heart of the device is the high-precision Sensirion SHT31 digital temperature and humidity sensor, offering outstanding accuracy and reliability:

• Temperature: –40°C to +80°C (±0.2°C accuracy)

• Humidity: 0–99.9% RH (±2% RH accuracy)

The SHT31 probe is housed in a waterproof, anti-condensation casing, protecting it from moisture, dust, and outdoor exposure.

An integrated solar panel continuously recharges the Li-ion battery, providing many years of autonomous operation without the need for battery replacements. This makes it ideal for:

• Agricultural fields

• Greenhouses & horticulture

• Water and irrigation systems

• Remote pump stations

• Environmental monitoring stations

• Smart infrastructure locations

• Remote sheds, yards & paddocks

Housed in a rugged IP66 outdoor enclosure, the S31-NS withstands the harsh Australian climate including heat, humidity, UV, and rain.

The sensor features BLE app configuration, OTA firmware updates, temperature & humidity alarms, and on-device data logging to ensure data is retained during network downtime.

It integrates seamlessly with ProSight Monitoring Software, delivering dashboards, alerts, charts, compliance logging, and multi-site management.
For custom projects, it supports direct integration via MQTT, HTTP, or UDP.

ProSense stocks this model in Australia, ensuring fast delivery and local technical support.

Key Features

• Solar-powered NB-IoT / LTE-M (Cat-M1) environmental sensor

• High-accuracy Sensirion SHT31 temperature + humidity sensor

• Temperature: –40°C to +80°C (±0.2°C)

• Humidity: 0–99.9% RH (±2% RH)

• Anti-condensation, waterproof probe housing

• Integrated solar panel + Li-ion rechargeable battery

• IP66 outdoor weatherproof enclosure

• BLE v5.1 app configuration

• OTA firmware support

• High/low alarm thresholds

• Offline datalogging buffer

• Ultra-low-power architecture

• Compatible with ProSight Software

• Integrates with custom IoT/SCADA platforms

• ProSense stocks in Australia