The document 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 indended for use in mines susceptible to firedamp and shall meet the requirements and test methods specified in Part 1. The document is restricted to apparatus intended for the detection and measurement of methane volume ratios in air from 0 % (v/v) up to, but not exceeding, 100 % (v/v).
Số hiệu tiêu chuẩn
DIN EN 61779-3*VDE 0400-3
Tên tiêu chuẩn
Electrical apparatus for the detection and measurement of flammable gases - Part 3: Performance requirements for group I apparatus indicating a volume fraction up to 100 % methane in air (IEC 61779-3:1998, modified); German version EN 61779-3:2000
Ngày phát hành
2001-07-00
Thay thế bằng
DIN EN 60079-29-1 (2008-07)
Từ khóa
Air treatment devices * Batteries * Behaviour * Burning gases * Combustible * Detectors * Detectors (circuits) * Drop tests * Dust * Electric appliances * Electrical appliances * Electrical engineering * Electrical measuring instruments * Electrically-operated devices * Electromagnetic * Electromagnetism * EMC * Explosions * Explosive atmospheres * Fire-damp * Flammable atmospheres * Flammable materials * Flow * Gas concentrations * Gas detectors * Gas measuring instruments * Gases * Instruments * Measurement * Measuring instruments * Measuring ranges * Methane * Mines * Moisture * Operation * Performance in service * Portable * Specification (approval) * Stationary * Temperature * Test methods * Testing * Volume * Warning devices * Fuel gases