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BS 2742:Addendum No. 1:1972

Withdrawn
Withdrawn

A Withdrawn Standard is one, which is removed from sale, and its unique number can no longer be used. The Standard can be withdrawn and not replaced, or it can be withdrawn and replaced by a Standard with a different number.

Notes of the use of Ringelmann and miniature smoke charts. The calibration of instruments in Ringelmann number
Available format(s)

Hardcopy , PDF

Withdrawn date

02-01-2008

Language(s)

English

Published date

06-27-1972

Provides a relationship for the conversion of measurements of optical density of smoke to \'standard\' Ringelmann numbers.

Committee
EH/2/1
DevelopmentNote
Reviewed and confirmed by BSI, June, 2005. (05/2005) Supersedes 71/43144 DC (06/2005)
DocumentType
Standard
Pages
0
PublisherName
British Standards Institution
Status
Withdrawn

BS 2740:1969 Specification for simple smoke alarms and alarm metering devices
BS 2742:1969 Notes on the use of the Ringelmann and miniature smoke charts
BS 2811:1969 Specification for smoke density indicators and recorders

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US$74.27
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