IEVref:426-24-33ID:
Language:enStatus: Standard
Term: meteorological optical range, <gas detection>
Synonym1: MOR, <gas detection>
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Definition: length of path in the atmosphere required to reduce the luminous flux in a collimated beam from an incandescent lamp, at a colour temperature of 2 700 K, to 5 % of its original value

Note 1 to entry: This note applies to the French language only.


Publication date:2020-03
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