SMT-50 Sensor
Description
The SMT-50 is a particularly inexpensive sensor for volumetric water content and soil temperature from German production. The sensor is suitable for use in outdoor soils with medium salinity.
Technical specifications
Unit of measurement:
m³ water / m³ soil vol.%
Temperature in ° C
Measuring Range:
0 to 50%
-40 to +80 °C
Signal:
0 to 3000 mV
° C = (voltage in V - 0.5 V) / (0.01 V)
Accuracy:
up to ±3% (with standard calibration)
Measurement time:
300 mS
Supply voltage:
3,0 to 30 VDC
Dimensions / Weight:
13,5 cm x 2,15 cm