The SMT-100 is a high quality, yet inexpensive sensor for volumetric water content and soil temperature made in Germany. The sensor is suitable for universal use in mineral soil and in growing media and also in locations with high salinity.

Technical specifications

smt100 erde

Unit of measurement: m³ water / m³ soil: Vol.%
Temperature: °C
Measuring range: water content: 0-100%
soil temperature: -40 to +80 ° C
Accuracy with standard calibration: up to ±3%
Supply voltage: 4,0 to 24 VDC
Signal (interface variants): RS485 with TBUS,
RS485 with Modbus,
RS485 with ASCII, SDI-12

Please specify the desired variant when ordering!
Measurement time: less than 50 mS
Measurement time: 18,2 cm x 3 cm x 1,2 cm


smt100 frei

SMT-100 Sensor:
SKU Name Price *  
SMT-100 Sensor for vol. Water content & temperature, cable 10m 139,00 €
(165,41 €)
All prices excl. shipping *
ECH2O - Spare parts:
SKU Name Price *  
SC-KAB Cable extension for Meter Group sensors, per meter 3,90 €
(4,64 €)
All prices excl. shipping *