• BS 2742:ADDENDUM NO. 1:1972

BS 2742:ADDENDUM NO. 1:1972

Notes of the use of Ringelmann and miniature smoke charts. The calibration of instruments in Ringelmann number

BSI Group , 06/27/1972

Publisher: BS

File Format: PDF

$39.00$78.74


Provides a relationship for the conversion of measurements of optical density of smoke to 'standard' Ringelmann numbers. Cross References:BS 2742

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