The SMT50 is a reliable mid-range sensor with industry leading robustness and long term performance. It is especially suited for smart garden and simple irrigation control applications in agriculture.
For ease of operation the SMT50 is availble with a 0- 3 V analog voltage output for moisture and includes an additional temperature sensor.
Optimized for irrigation control
Easy installation and use
Best in class price performance ratio
Soil volumetric water content (VWC):
Using factory calibration up to ± 3% (VWC) in mineral soils with moderate salinity from 0 to 50% VWCTemperature:
Typical ± 0.8°CResolution
8 bit = 0.2% volumetric water content 10 mV/°C
Range
0 to 50% volumetric water content
Temperature: -20 to +85°C
Output signals
0 - 3 V linear for volumetric water content
Startup time: 300 ms
Output resistance: 10 kOhm
Power
3.3-30 V DC, 2.7 mA
Cable length
10 m
Sensor dimensions
ca. 13.5 cm x 2.15 cm
Data logger compatibility
Logger capable of appropriate power excitation and suitable analog inputs
