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BS 2811 PDF
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Specification for smoke density indicators and recorders
| Published by | Publication Date | Number of Pages |
| BSI | 12/31/1969 | 18 |
BS 2811 – Specification for smoke density indicators and recorders
Requirements of construction and operation of instruments designed to measure the optical density of or percentage obscuration caused by smoke emitted from chimneys.
Cross References:
BS 89
BS 90
BS 2643
BS 2740
BS 2741
BS 2742
Addendum No. 1 to BS 2742:1969
Clean Air Act
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