JJG 657-1990
Verification Regulation of Detector for Alcoholic Quantity from Breathing -out Gas (English Version)

Standard No.

JJG 657-1990

Language

Chinese, Available in English version

Release Date

1990

Published By

National Metrological Verification Regulations of the People's Republic of China

Status

Be replaced 2007-06

Replace By

JJG 657-2006

Latest

JJG 657-2019

JJG 657-1990 history

• 2019 JJG 657-2019 Breath Alcohol Analyzers
• 2006 JJG 657-2006 Verification Regulation of Detector for Alcoholic Quantity from Breathing-out Gas
• 1990 JJG 657-1990 Verification Regulation of Detector for Alcoholic Quantity from Breathing -out Gas