OL580 Noack Tester

Determination of the evaporation loss of lubricating oils (particularly engine oils).

  1. General Details

    Procedure A uses the Noack evaporative tester equipment.
    Procedure B uses the automated non-Woods metal Noack evaporative apparatus.

    Measuring Noack Principle:

    A quantity of 65 grams of sample is heated to a specific temperature and maintained for 1 hour while it is enclosed in a crucible, the crucible’s cover is shaped to allow a constant vacuum of -2 mbar to remove from the crucible the evaporating portion of the sample.
    At the end of the test, the sample is cooled and then reweighted: the difference, reported in percentage, represent the sample’s Evaporation Loss by the Noack Method.
    Method A: bath is controlled at 250°C.
    Method B: the sample is controlled at 245.2°C.

  2. Techical Info
    Test range+225°C to +275°C
    Measurement range0°C … +320°C
    Temperature precision0.01 °C
    Temperature stability± 0.1 °C
    HeatingElektrikli, 500 W
    Power220V ± 15% / 50 to 60 Hz
    115V ± 15% / 60 Hz
    Weight22 kg
    Dimensions (WxDxH)40 x 45 x 45 cm
  3. Standards
    • ASTM D5800
    • IP 421
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  5. Documents
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