Vincent Carpentier et al 2004 Metrologia 41 432 doi:10.1088/0026-1394/41/6/011
Vincent Carpentier1,2, Mohamed Megharfi1, Jacques Quint2, Marc Priel1, Michèle Desenfant1 and Ronan Morice1
Show affiliationsUsing techniques for the propagation of distributions to estimate uncertainties is becoming increasingly popular in metrology. Here we describe the calculation for the estimation of uncertainties in hygrometry using this method. This work is based on investigations on the two-temperature moist gas generator at Laboratoire National d'Essais.
After a brief introduction on the calibration principles of hygrometers, models and calculation for estimating uncertainties using a Monte Carlo simulation are presented. Results concerning dew point temperature and relative humidity are shown, and compared with results obtained with the law of propagation of uncertainties (traditional method).
The importance of the moist gas temperature measurement with regard to the saturator and the test chamber is confirmed. Moreover, results observed with the propagation of distributions and the traditional method are coherent.
06.20.Dk Measurement and error theory
Issue 6 (December 2004)
Received 30 June 2004
Published 16 November 2004
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