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  • Introduction
  • Part-1: Introduction - Water vapour concepts and variables to measure
  • Part-2: Technology - Condensation principle hygrometers
  • Part-3: Procedures - Humidity environments for calibration - dew point
  • Part-4: Uncertainties - Uncertainty in relative humidity calibration - (1)
  • Part-5: Uncertainties - Uncertainty in relative humidity calibration (2)
  • References & Readings
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  1. Calibration Course
  2. Module-3: Calibration of Humidity Instruments
  3. Calibration of Humidity Instruments

Calibration of Humidity Instruments

Completion requirements
Go through the activity to the end


References & Readings

Calibration of Humidity Instruments

  • Guide to Instruments and Methods of Observation (WMO-No.8), Vol. I, Chapter 4. Measurement of humidity
  • JCGM 200:2012-International Vocabulary of Metrology (VIM) - Basic and general concepts and associated terms 
  • JCGM 100:2008(E) – Evaluation of measurement data - Guide to the Expression of Uncertainty in Measurement (GUM)
  • Guidance on the computation of calibration uncertainties (IOM Report No. 119)
  • Guidance on Instrumentation for Calibration Laboratories, including Regional Instrument Centres (IOM Report No. 101)
  • Training Material on Metrology and Calibration (IOM Report No. 86)


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