Comparison in humidity (dew-point temperature high range) dew point temperature +30 °C to 95 °C

Abstract

The report summarises the results of the EURAMET.T-K8 key comparison (EURAMET Project No. P 717) in the field of humidity. The comparison covers the dew-point temperature range from +30 °C up to + 95 °C dew point temperature. The report gives details of the scheme, procedure and analysis of the comparison. The overall results display a very good agreement of the 16 participating laboratories. The two dew-point hygrometers used as travelling standard were sufficiently stable. The linkage to the corresponding CCT-K8 comparison will be calculated when the final results for both comparisons are available. Possible procedures are described in the text. In the conclusion, some remarks for improvement for future RMO key comparisons are given.