Combined Oil Condition and Moisture Sensor

The in-line sensing technology for monitoring the health state of lubricating fluids.


Measuring two parameters with one sensor saves a lot of trouble during installation and operation.


The results are displayed in real time. No time is spent on sampling or manual testing.

While the means by which lubricants perform their function are complex, the main areas for how lubricants lose their functional performance during use can be summarized as:  

  1. Increased Contaminants
  2. Loss of Contaminant Control
  3. Loss of Surface Protection
The Combined Oil Condition and Moisture Sensor measurement hardware and associated interpretation methods evaluate lubricant health with respect to these degradation modes. The underlying technology for the Sensor is electrochemical impedance spectroscopy (EIS), wherein a dynamic electrical signal is applied to the lubricant and changes in the fluid’s electrical response to the signal with time are measured and correlated to chemical and physical changes of the lubricant


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Combined Oil Condition and Moisture