Comparison of the humidity standards at the CETIAT and the CMA

M. Heinonen, B. Cretinon

Research output: Contribution to journalReview Articlepeer-review

2 Citations (Scopus)


In order to compare the humidity standards at the Centre Technique des Industries Aérauliques et Thermiques (France) and the Centre for Metrology and Accreditation (Finland), a dew-point hygrometer was calibrated at both laboratories within a EUROMET project. There were eight measurement points in the range -40 °C to + 60 °C. The difference between the standards was determined and its uncertainty was evaluated. The difference was between -0.03°C and + 0.09°C with the average being 0.01°C. The uncertainty of the difference was ±0.08°C to ±0.17°C (k = 2). The measurements and the analysis of the results are reported in this paper.

Original languageEnglish
Pages (from-to)493-498
Number of pages6
Issue number5
Publication statusPublished - 1 Dec 1996
MoE publication typeA2 Review article in a scientific journal

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