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Measuring systems for liquids other than water

Which different measuring systems are available?

Any system for measuring quantities of liquids requires legal approval, if it is intended for use in custody transfer.

  • 0.3

    Accuracy class 0.3

    Accuracy class 0.3 is applicable to Measuring systems in a pipeline

  • 0.5

    Accuracy class 0.5

    Accuracy class 0.5 is applicable to all measuring equipment not mentioned in this sub-item, in particular:

    • dispensers (except LPG)
    • Road tank trucks for low viscosity liquids (<20 mPa.s)
    • Measuring systems for loading and unloading ships, tank cars and tankers
    • Measuring systems for milk
    • Measuring systems for refueling aircraft
  • 1.0

    Accuracy class 1.0

    Accuracy class 1.0 is applicable to Liquefied gas pressure measuring systems for measurements at temperatures below -10 ° C
    Measuring systems, which usually belong to the class 0.3 or 0.5 but are used for liquids that have:

    • A temperature less than – 10°C or greater than 50°C
    • a viscosity higher than 1000 mPa.s
    • and whose maximum volume flow is not higher than 20 litres per hour
  • 1.5

    Accuracy class 1.5

    Accuracy class 1.5 is applicable to Liquefied gas pressure measuring equipment, measured at a temperature below
    -10 ° C (excluding cryogenic liquids)

  • 2.5

    Accuracy class 2.5

    Accuracy class 2.5 is applicable to Measuring systems for cryogenic liquids