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 salinity, 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


Tx Power20dBm
Sensitivity-147dBm @300bps
ModeOTAA/ABP Class A
MeasurementRange0% to 100%
Physical CharacteristicsProbe Length3m
Power Supply19000 mAh Li-SOCL2
Operating Temperature-30°C to +70°C
Ingress ProtectionIP66 (IP67 if required)
Dimension105.4 × 71 × 69.5 mm (Sensor and cable are not included)
MountingDIN rail, wall, pole mounting

Selection Guide

SeriesPictureModelMeasuring RangeDescriptions
EM500-SMTem500 smtEM500-SMT-EC50~100% RH19000 mAh Li-SOCl2 battery
NFC enabled
IP66 rated
EM500-SMTCem500 smtEM500-SMTC-MEC20Moisture
Electrical Conductivity
19000 mAh Li-SOCl2 battery
NFC enabled
IP66 rated
Cable Length 2M

Business Type

Ordering Info