• manufactured bylogo small
  • device with four sensors SMT 100 transmitting data to internet via SigFox network
  • intended for long-term accurate monitoring of VWC and temperature
  • 60-minutes time resolution
  • powered by long lasting Lithium-ion battery
  • low maintenance and easy installation
  • data visualization, archiving and downloading fully supported by EMScloud Internet application
  • Mini32 software support
  • Check sigfox


Measuring interval 60 min
Sending interval 60 min
Volumetric water content range 0 to 100 %
Sensor temperature range –20 to 60 °C
Battery lifetime ca 1.5 years
Protection rating IP68
Size of transmitter (diameter x length) 90 x 115 mm
Weight of transmitter (without pin) ca 300 g
Sensor cable length 10 m (special lengths on request)
Operating environment temperature  –40 to 60 °C
Operating environment humidity 0 to 100%

Truebner SMT 100 sensor

S MT 100a
  • suitable for any soil type
  • measurement of VWC in 10-cm profile
  • integrated measurement of temperature in sensor body

Online communication

Sigfox icon
  • data transmition performed via Sigfox protokol

Online data visualization on EMScloud website

  • measured values clearly displayed in graphs
  • fast download in several formats
  • alerts about failures and unexpected events


documentdocument 2 Datasheet