The Milesight EM500-SMTC is a rugged LoRaWAN soil sensor designed to monitor soil moisture, temperature, and electrical conductivity (EC) in real time. Built for precision agriculture and irrigation optimisation, it delivers reliable long-range data transmission up to 10 km line of sight using the LoRaWAN protocol – ideal for smart agriculture, horticulture, and outdoor field deployments across Africa.
Unlike solar or rechargeable variants, the EM500-SMTC is powered by a built-in 19000 mAh replaceable Li-SOCl₂ battery – delivering up to 10 years of operation without replacement. A true set-and-forget solution, built for long-term field deployment in the most demanding environments.
A single sensor. Three critical measurements:
The EM500-SMTC measures the three most important soil health indicators from a single buried probe – giving farmers a complete picture of soil condition without multiple devices or complex wiring.
- Soil Moisture Range: 0–100% | Accuracy: ±2%
- Soil Temperature Range: -40°C to 80°C | Accuracy: ±0.5°C
- Electrical Conductivity (EC) Range: 0–20000 µs/cm | Accuracy: ±3%
Key Features:
- Measures Soil Moisture, Temperature and Electrical Conductivity (EC) 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
- IP67 transceiver and IP68 soil probe – fully weatherproof for harsh 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 temperature change alerts
- Compatible with standard LoRaWAN gateways and network servers
- Multi-region frequency support: EU868, US915, AU915, AS923 and more
The EM500-SMTC provides real-time soil intelligence that helps improve crop yield, sustainability, and resource efficiency across any field size or soil type.
Smart farming starts at the root – monitor what matters most with the Milesight EM500-SMTC.
Need a gateway too? Pair it with the Milesight UG67 Outdoor LoRaWAN Gateway for a complete long-range soil monitoring solution across your entire farm.
Check out the Milesight EM500-SMTC Soil Moisture, Temperature & EC Sensor User Online Manual.
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