The Milesight EM500-CO2 is a rugged LoRaWAN environmental sensor designed to monitor CO2, temperature, humidity, and barometric pressure in real time. Built for smart agriculture, warehouse monitoring, and outdoor environmental deployments, it delivers reliable long-range data transmission up to 10 km line of sight using the LoRaWAN protocol – ideal for greenhouses, storage facilities, and field deployments across Africa.
Powered by a built-in 19000 mAh replaceable Li-SOCl₂ battery, the EM500-CO2 operates for up to 10 years without replacement. A true set-and-forget solution, built for long-term deployment in the most demanding indoor and outdoor environments.
A single sensor. Four critical measurements:
The EM500-CO2 monitors four essential environmental indicators from a single device — giving farmers, facility managers, and agronomists a complete picture of ambient conditions without multiple devices or complex wiring.
- CO2 – Range: 400–5000 ppm | Accuracy: ±(30 ppm + 3% of reading)
- Temperature – Range: -30°C to 70°C | Accuracy: ±0.3°C
- Humidity – Range: 0–100% RH | Accuracy: ±3%
- Barometric Pressure – Range: 300–1100 hPa | Accuracy: ±1 hPa
Key Features:
- Monitors CO2, Temperature, Humidity and Barometric Pressure simultaneously
- Ultra-long battery life – up to 10 years on a single 19000 mAh replaceable battery
- Long-range LoRaWAN communication up to 10 km line of sight
- IP65-rated enclosure – weatherproof for harsh indoor and outdoor environments
- NFC-enabled for easy field configuration via mobile app
- Stores up to 1000 data entries locally with retransmission support
- Supports threshold alarms and calibration
- Compatible with standard LoRaWAN gateways and network servers
- Multi-region frequency support: EU868, US915, AU915, AS923 and more
The EM500-CO2 provides real-time environmental intelligence that helps improve crop performance, storage quality, and ventilation control across any facility or field environment.
Smart farming is more than soil – monitor the air that surrounds your crops with the Milesight EM500-CO2.
Need a gateway too? Pair it with the Milesight UG67 Outdoor LoRaWAN Gateway for a complete long-range environmental monitoring solution across your entire farm or facility.
Check out the Milesight EM500-CO2 Carbon Dioxide Sensor User Online Manual.
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