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DIN EN 60079-29-4 VDE 0400-40:2011-02
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DIN EN 60079-29-4 VDE 0400-40:2011-02
Explosive atmospheres - Part 29-4: Gas detectors - Performance requirements of open path detectors for flammable gases (IEC 60079-29-4:2009, modified + Cor. :2010); German version EN 60079-29-4:2010More info
This standard specifies performance requirements of equipment for the detection and measuring of flammable gases or vapours in ambient air by measuring the spectral absorption by the gases or vapours over extended optical paths, ranging typically from one metre to a few kilometres. Such equipment measures the integral concentration of the absorbing gas over the optical path in units such as LFL metre for flammable gases.
| Author | VDE |
|---|---|
| Editor | VDE |
| Document type | Standard |
| Format | Paper |
| ICS | 29.260.20 : Electrical apparatus for explosive atmospheres
|
| Number of pages | 39 |
| Replace | DIN EN 50241-1 (2000-04) |
| Cross references | EN 60079-29-4 (2010-04), IDT |
| Weight(kg.) | 0.1663 |
| Year | 2011 |
| Document history | DIN EN 60079-29-4 (2011-02) |
| Country | Germany |
| Keyword | DIN EN 60079;DIN EN 60079-29;EN 60079;EN 60079-29;EN 60079-29-4;60079 |