WebJan 12, 2024 · The term dark smoke refers to a shade on the British Standard BS 2742C Ringelmann Chart and means smoke which, if compared with the chart, would appear to be as dark as, or darker than, shade 2. Black smoke means smoke which would be as dark as, or darker than, shade 4 on the chart. WebThis document references: BS 2742 - Use of the Ringelmann and miniature smoke charts. Published by BSI on May 31, 2009. A description is not available for this item. This …
BS 2742(2009) : 2009 Use Of Ringelmann Charts Guide SAI …
WebIdentical to BS 2742C:1957. Get this standard Prices exclude GST; PDF ... The cost of your subscription will depend on which standards you want to access, and how many people in your organisation need to be able to access the Online Library subscription at the same time (concurrent users). ... BS 2742C:1957. Ringelmann chart. Preview only close ... WebA chart, printed in shades of grey matt lacquer, which when held at about 5 ft from the observer gives readings of the density values of smoke from chimneys. These are comparable with those obtained from the BS Ringelmann Chart (BS 2742C). The method of use is explained in BS 2742. Cross References: BS 2742 BS 2742C VAT is applicable … squareburgers.com wendy\u0027s
Air quality for machinery or electrical equipment businesses
WebThe Ringelmann Chart is used as a device for determining whether emissions of smoke are within limits or standards of permissibility (statutes and ordinances) established and expressed with reference to the chart. It is widely used by law enforcement or compliance officers in jurisdictions that have adopted standards based upon the chart. WebDescription. BS 2742C:1957 – The Ringelmann chart.For use with many regulations prescribe smoke density limits based on the Ringelmann Smoke Chart. Standard … WebBS 2742M:1960. A chart, printed in shades of grey matt lacquer, which when held at about 5 ft from the observer gives readings of the density values of smoke from chimneys. … square burner trays