Soil Moisture, Temperature and
Electrical Conductivity Sensor


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Soil Moisture, Temperature and Electrical Conductivity Sensor


EM500-SMTC provides an external probe for receiving accurate and instantaneous information on soil moisture content, temperature, and electrical conductivity, it is an important tool for anyone involved with soil.

smt sensor

measuring rangeResearch-grade accuracy in multiple soil media

easy installationEasy installation into undisturbed soil

4 in 1 sensor Rapid monitoring of growing conditions

Smart Soil Monitoring >>>

Over the past few years, the applications of massive IoT deployed in soil monitoring, for example, greenhouse, have accelerated the evolution of digital farming. The data collection of environmental factors such as temperature, humidity, soil content, wind speed, rainfall, nitrogen, phosphorus, and potassium has composed an important part in soil monitoring.

Smart Wine Cellar
Cloud Web & APP

Cloud Web & APP:

EM500-SMTC Sensor works perfectly with Milesight IoT Cloud (Web & App), which allows you to monitor your data in the office or on the go. With a drag-and-drop experience, Milesight IoT Cloud provides rich features such as intuitive widgets, triggers, sharing and transfer ownership of devices, layers, etc.

LoRaWAN Wireless Transmission

Ultra-low power consumption and easy deployment

Built-in 19000 mAh high-capacity battery can be used for 10 years.

Ultra-low power

Simple and Easy to Use
Configure Your Device via NFC

Turn on NFCTurn on NFC and attach
the sensor to the NFC area
Configure your sensorConfigure your sensor


Model EM500-SMTC EM500-SMT
Moisture 0 ~100% RH 0 ~ 100% RH
2% RH (0 ~ 50%), 3% RH (50 ~ 100%) ±2% RH
0.01% RH 0.01% RH
Temperature -40 ~ 80°C /
Electrical Conductivity 3% RH (50 ~ 100%) /
±3% (0 ~ 10000 µS/cm), ±5% (10000 ~ 20000 µS/cm)
10 µS/cm (0 ~ 10000 µS/cm), 50 µS/cm (10000 ~ 20000 µS/cm)
Frequency CN470/RU864/IN865/EU868/AU915/US915/KR920/AS923
Power Supply Built-in 19000 mAh Li-SOCl2 battery, up to 10 years service life
Ingress Protection IP66 (Transceiver, IP67 as required)
Operating Temperature -30 ~ 70°C (Transceiver), -40 ~ 85°C (Sensor) -30 ~ 70°C (Transceiver), -40 ~ 60°C (Sensor)

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