BS 6020-4:1981
Superseded
A superseded Standard is one, which is fully replaced by another Standard, which is a new edition of the same Standard.
A superseded Standard is one, which is fully replaced by another Standard, which is a new edition of the same Standard.
Instruments for the detection of combustible gases Specification for performance requirements for Group II instruments reading up to 100% lower explosive limit
Hardcopy , PDF
12-31-1991
English
11-30-1988
Requirements for instruments intended for commercial and industrial applications other than mines susceptible to firedamp.
Access your standards online with a subscription
Features
-
Simple online access to standards, technical information and regulations.
-
Critical updates of standards and customisable alerts and notifications.
-
Multi-user online standards collection: secure, flexible and cost effective.