Truebner SMT100 analog 0 - 5 V. Soil moisture and temperature sensor.

Truebner SMT100 capacitive soil moisture sensor and temperature sensor with analog measuring signal 0 - 5 V

The SMT100 is a premium soil moisture sensor with outstanding accuracy for demanding applications in science and precision agriculture. Researchers and farmers have trusted the sensor for over 10 years.

Technical data:

- Interface: analog 0 - 5 V
- 10 m cable
- power supply: 7 - 28 V DC
- max. 40 mA during measurement
- Measuring time: < 500 ms
- Dimensions: approx. 18.2 cm x 3 cm x 1.2 cm

- Measurement accuracy:

Volumetric water content (VW): with factory calibration up to ± 3% (VW) in mineral
Soils with average salinity from 0 to 50% VW, With soil specific calibration up to ± 1% (VW), Measuring range 0 to 60% volumetric water content (up to 100% volumetric water content with limited accuracy), Resolution 0.1% in volumetric water content or better.

Temperature: typically ± 0.2°C, max ± 0.8°C over full measuring range, measuring range -40 to +60°C , resolution 0.2°C.

Specification:

Soil moisture and temperature sensor, measuring range 0-100% VWC, -40 to +60 degrees Celsius, analog interface 0-5V, supply voltage 7 - 28 VDC, 10 m cable length.