Moisture and Temperature Transmitter for Oil MMT162

for transformer applications and OEM systems

Excellent economical solution for reliable on-line detection of moisture in oil even in the most demanding applications. The sensor’s excellent chemical tolerance provides accurate and reliable measurement over the measurement range.


  •  Continuous measurement of moisture in oil
  •  Measures in lubrication, hydraulic,and transformer oils
  •  Excellent pressure and temperature tolerance
  •  Proven Vaisala HUMICAP® sensor:over 20 years in oil applications
  •  Measures water activity - ppm calculation available for transformer oil
  •  Digital output RS-485 with Modbus
  •  Traceable calibration (certificate included)

Key benefits

Small size

Easy to integrate.

Excellent chemical tolerance

Accurate and reliable measurement over the measurement range.


The Vaisala HUMICAP® Sensor has been successfully used in applications for over 40 years.

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