SR EN 61779-2:2004

Electrical apparatus for the detection and measurement of flammable gases -- Part 2: Performance requirements for group I apparatus indicating a volume fraction up to 5 % methane in air

Specifies requirements for group I (as defined in part 1) portable, transportable and fixed apparatus for the detection and measurement of methane concentrations in mine air. The apparatus, or parts thereof, are intended for use in mines susceptible to firedamp. The requirements and test methods applicable to the apparatus covered by this standard are specified in part 1. This standard is restricted to apparatus intended for the detection and measurement of volume ratios of methane in air from a volume fraction of 0 % up to, but not exceeding, a volume fraction of 5%.

General information

Status : Withdrawn
Approval date : 9/29/2004
Publish date : 9/30/2004
Romanian version publish date : 9/29/2004
Withdrawal date : 11/1/2010
Number of pages : 10
ICS : 17.060 Measurement of volume, mass, density, viscosity,29.240.20 Power transmission and distribution lines
Technical Committee : 137 - Electrical apparatus for explosive atmospheres

Relations with other standards:

Replaces SR EN 50055:2003
Replaced by SR EN 60079-29-1:2008