Handheld Meter for Moisture in Oil Measurement

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Oilport 30 Set

The Oilport 30 handheld meter is dedicated to portable monitoring of moisture and temperature in oil.

The simple and intuitive operation via TFT touch screen and the built-in data logging function make the Oilport 30 hand-held the ideal tool for fast and reliable oil analysis.


  • Relative water content / water activity [aw]
  • Absolute water content [ppm] Temperature [°C / °F]

Oilport 30 accurately measures water activity aw and temperature T. By entering oil-specific parameters, the hand-held meter calculates water content in oil (ppm).


  • Pressure-tight oil probe up to 20bar Together with the ball valve assembly set, the oil probe can be fitted and removed without interrupting the oil circuit.
  • Short oil probe Ideal for quickly determining the moisture in oil samples.
  • Oilport 30 Set

  • Oilport 30 with ball valve mounting set

  • Short oil probe for Oilport 30

  • Pressure-tight oil probe for Oilport 30

    Calibrating your limits

    Your products and services can only be as precise as the tools you use to measure them. With more than 20 years of experience, the calibration team of E+E Elektronik focuses on providing a reliable service without any unnecessary delays or bias.

    Discover the value of working with an expert in calibration that prioritizes

    • accuracy,
    • fastness and
    • reliability

    Learn more

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    Downloads Oilport 30 Set


    Sensor replacement is possible for the EE360 models with the ordering code including PC4 (pluggable probe). Please see the operation manual for detail and spare part code ordering guide.

    The standard scope of supply of E+E MIO sensors includes an inspection certificate according DIN EN 10204 - 3.1. For details on calibration certificates please see  our white paper "Calibration and Traceability in Measuring Technology".

    No, mineral transformer oils from different manufacturers are quite similar. A and B parameters are the same.

    No, coating is not available for the E+E MIO sensors.

    Calibration for a specific oil is a laboratory procedure for determining the saturation curve of the oil. The saturation curve is described by two parameters (A and B). These parameters are used for setting up the moisture in oil sensor for correct calculation of the water content (ppm) out of the measured temperature and water activity (aw).

    Please see the cleaning instructions.

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