EM500-SMTC – LoRaWAN Soil Moisture and Conductivity Sensor – Milesight
General Description
The Milesight EM500-SMTC is an advanced LoRaWAN® sensor designed for monitoring soil conditions. It accurately measures soil moisture, temperature, and electrical conductivity, providing a complete solution for smart farming and environmental management. With its rugged IP68-rated probe and 10-year battery life powered by a 19,000 mAh battery, it's ideal for even the most demanding outdoor environments. The EM500-SMTC enables reliable remote monitoring via the Milesight IoT Cloud platform.
Targeted Applications
- Precision agriculture
- Soil and irrigation monitoring
- Environmental studies
- Smart greenhouses
- Soil quality research projects
Highlights
- Simultaneous measurement of soil moisture, temperature and conductivity
- IP68 protection for ground sensor and IP67 for transmitter
- Long-range transmission via LoRaWAN®
- High precision with fine resolution for each parameter
- Built-in 19000 mAh battery with up to 10 years of battery life
- Easy setup via NFC or USB Type-C
- Integration with standard LoRaWAN and IoT Cloud gateways
Technical Specifications
Transmission |
Technology |
LoRaWAN® |
Supported frequencies |
CN470 / IN865 / RU864 / EU868 / US915 / AU915 / KR920 / AS923 |
Transmit power |
16 dBm (868 MHz), 20 dBm (915 MHz), 19 dBm (470 MHz) |
Sensitivity |
-137 dBm @300bps |
Fashion |
OTAA / ABP – Class A |
Measures |
Soil moisture |
Range: 0% to 100% RH Accuracy: ±2% (0–50%), ±3% (50–100%) Resolution: 0.0001 |
Soil temperature |
Range: -40°C to +80°C Accuracy: ±0.5 °C Resolution: 0.1 °C |
Electrical conductivity |
Range: 0 to 20000 µs/cm Accuracy: ±3% (0–10000), ±5% (10000–20000) Resolution: 10 µs/cm (0–10000), 50 µs/cm (10000–20000) |
Interfaces and Connectors |
Switching on/off |
NFC, internal button |
Configuration |
Mobile app (NFC) or PC software via USB Type-C |
Cable length |
2 m |
Physical Characteristics |
Food |
Li-SOCL2 battery 19000 mAh (ER34615) |
Autonomy |
Up to 10 years (10 minute interval) |
Operating temperature |
-30°C to +70°C |
Relative humidity |
0% to 100% (non-condensing) |
Protection index |
IP67 (transmitter) / IP68 (floor sensor) |
Dimensions |
Transmitter: 105.4 × 71 × 69.5 mm Sensor: 88 × 68 × 26 mm (Probe: 50 mm) |
Facility |
Wall, pole or DIN rail mounting |
Interfaces and Connectors
The EM500-SMTC sensor comes with a 2m cable connecting the transmitter module to the soil probe. Simple setup via NFC or USB Type-C. Activation via internal button or contactless NFC.
Pack Contents
- 1 × Milesight EM500-SMTC Ground Sensor
- 1 × Built-in battery
- 1 × Soil Moisture and Conductivity Probe
- 1 × Wall/Pole/DIN Rail Mounting Kit
- 1 × Quick Installation Guide