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Intercomparisons

INTERCOMPARISONS

Compare Our Calibration with Other Laboratories

ISO17025 includes requirements for accredited laboratories to regularly compare their calibration with other laboratories. At MBW, this is routinely carried out when NMI/DI transfer standard dew point mirrors are sent to MBW for calibration.

Internationally, MBW has been at the heart of many of the key comparisons run by Euramet (MBW) and APMP (RH Systems) by supplying hygrometers sent around in ‘loops’ to participating laboratories.

Examples include:

CCT-K6

  • Comparison of humidity standards: dew and frost point temperatures 2003 – 2010
  • Comparison Type Field: Key comparison in thermometry and humidity
  • Temperature: -50 °C to 20 °C
  • Status: Approved for equivalence, results available

Click here for more information.

EUROMET.T-K6

  • Comparison of humidity standards: dew and frost point temperatures 2004 – 2008
  • Comparison Type Field: Key comparison in thermometry, humidity
  • Temperature: -50 °C to 20 °C
  • Status: Approved for equivalence

Click here for more information.

CCT-K8

  • Comparison of realizations of local scales of dew-point temperature of humid gas 2016 – 2017
  • Comparison Type Field: Key comparison in thermometry, humidity
  • Temperature: 30 °C to 95 °C
  • Status: Measurements completed

Click here for more information.

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