SN EN 61779-3 : 2000
Current
The latest, up-to-date edition.
ELECTRICAL APPARATUS FOR THE DETECTION AND MEASUREMENT OF FLAMMABLE GASES - PART 3: PERFORMANCE REQUIREMENTS FOR GROUP 1 APPARATUS INDICATING A VOLUME FRACTION UP TO 100 % METHANE IN AIR
12-01-2013
Gives the requirements for group 1 portable, transportable and fixed apparatus for detecting and measuring the methane concentrations in mine air. This apparatus, or parts of apparatus are meant for use in mines susceptible to firedamp. Applicable to apparatus meant for detecting and measuring the volume ratios of methane in air from a volume fraction of 0% up to 100%.
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