NF EN ISO 6327

Gas analysis - Determination of the water dew point of natural gas - Cooled surface condensation hygrometers

Describes hygrometers which determine the water content of a gas by detecting water vapour condensation occurring on a cooled surface or by checking the stability of the condensation on this surface. The hygrometers considered here may be used for determining water vapour pressure, without requiring calibration, in a system operating under total pressures greater than or equal to atmospheric pressure.

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