JJG 693-2011
Verification Regulation of Alarmer Detectors of Combustible Gas (English Version)

Standard No.

JJG 693-2011

Language

Chinese, Available in English version

Release Date

2011

Published By

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

Latest

JJG 693-2011

Replace

JJG 693-2004 JJG 940-1998

Scope

This procedure applies to the initial calibration, subsequent calibration and in-use inspection of combustible gas detection alarms (including combustible gas detectors, hereinafter referred to as "instruments") used in non-mine operating environments.

JJG 693-2011 history

• 2011 JJG 693-2011 Verification Regulation of Alarmer Detectors of Combustible Gas
• 2004 JJG 693-2004 the Alarmer Detectors of Combustible Gas
• 1998 JJG 940-1998 Verification Regulation of Catalysis Combustion Type Hydrogen Test Device

JJG 693-2011 Verification Regulation of Alarmer Detectors of Combustible Gas has been changed from JJG 940-1998 Verification Regulation of Catalysis Combustion Type Hydrogen Test Device.