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Status : Active
Standard Type : Main
Document No : ISO 19685:2017
Document Year : 2017
Pages : 13
Edition : 1
Section Volume : Vacuum technology (ISO/TC 112.)
ISO 19685:2017 identifies parameters of Pirani gauges, their calibration procedure, and describes measurement uncertainties to be considered when operating these gauges.
ISO 19685:2017 applies to Pirani vacuum gauges operating over a pressure range of 0,01 Pa to 150 kPa.
ISO 19685:2017 complements ISO 3567 and ISO 27893 when calibrating Pirani gauges and using them as reference StandardDetails.
In addition, ISO 19685:2017 defines procedures to characterize Pirani gauges for response time and hysteresis.