SIST EN ISO 6327:2008

Oznaka standarda: SIST EN ISO 6327:2008
Koda projekta: CSN21049
Organizacija: SIST
Naslov (angleški): Gas analysis - Determination of the water dew point of natural gas - Cooled surface condensation hygrometers (ISO 6327:1981)
Naslov (slovenski): Analiza plinov - Določevanje vodnega rosišča zemeljskega plina - Hlajeni površinski kondenzirani higrometri (ISO 6327:1981)
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Tehnični odbor: NAD - Naftni proizvodi, maziva in sorodni proizvodi
ICS: 75.060
Status: Objavljen
Objavljen: 01-mar-2008
Refer. št. objave: Sporočila 2008-03
Področje projekta (angleško): This International Standard describes hygrometers used for the determination of the water dew point of natural gases by detecting water vapour condensation occuring on a cooled surface or by checking the stability of the condensation on this surface. red in this International Standard 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. The relationship between water vapour partial pressure and the observed dew point confers on the method the quality of absolute measurement. If the test atmospheres contains gases which condense at a temperature in the region of, or above, that of the water dew point, it is very difficult to detect the condensed water vapour.

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