EN 61779-4

Electrical apparatus for the detection and measurement of flammable gases - Part 4: Performance requirements for group II apparatus indicating a volume fraction up to 100 % lower explosive limit (IEC 61779-4:1998, modified)

2000-06-00

Hết hiệu lực

DIN EN 61779-4*VDE 0400-4 (2001-07), IDT * IEC 61779-4*CEI 61779-4 (1998-04), MOD * BS EN 61779-4 (2000-09-15), IDT * NF C23-560-4 (2005-01-01), IDT * SN EN 61779-4 (2000), IDT * OEVE/OENORM EN 61779-4 (2001-09-01), IDT * PN-EN 61779-4 (2002-09-15), IDT * PN-EN 61779-4 (2004-07-01), IDT * SS-EN 61779-4 (2000-12-01), IDT * UNE-EN 61779-4 (2002-11-20), IDT * STN EN 61779-4 (2002-01-01), IDT * STN EN 61779-4 (2002-08-01), IDT * CSN EN 61779-4 (2001-03-01), IDT * DS/EN 61779-4 (2001-02-08), IDT * NEN-EN-IEC 61779-4:2000 en;fr (2000-10-01), IDT

EN 50057 (1998-07) * prEN 61779-4 (1999-04)

EN 60079-29-1 (2007-11)

EN 60079-29-1 (2007-11) * EN 50057 (1998-07) * EN 50057 (1991-06) * EN 61779-4 (2000-06) * prEN 61779-4 (1999-04)

Alarm * Burning gases * Combustible * Detectors * Detectors (circuits) * Drop tests * Electric appliances * Electrical appliances * Electrical engineering * Electrical measuring instruments * Electrically-operated devices * Electromagnetism * EMC * Energy supply systems (buildings) * Explosion limits * Explosion protection * Explosions * Flammable atmospheres * Flammable materials * Gas detectors * Gas measuring instruments * Gases * Instruments * Measurement * Measuring instruments * Measuring ranges * Moisture * Performance in service * Portable * Specification (approval) * Stationary * Temperature * Test methods * Testing * Warning devices * Fuel gases

13.320. Hệ thống báo động và báo trước
17.060. Ðo thể tích, khối lượng, tỷ khối, độ nhớt
29.260.20. Máy điện dùng trong các môi trường nổ