Truebner SMT100 analog 0 - 3 V. Soil moisture and temperature sensor.

Truebner SMT100 capacitive soil moisture sensor and temperature sensor with analog measuring signal 0 - 3 V.

The SMT100 is a first class capacitive soil moisture sensor with excellent measurement accuracy for private projects as well as for demanding applications in science and precision agriculture. Our customers, researchers and farmers trust the Truebner sensor for over 10 years.

Technical data:

- Interface: analog 0 - 3 V
- 10 m cable
- power supply: 5 - 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 the entire measurement range, measurement 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 0-3V, supply voltage 5 - 28 VDC, 10 m cable length.