IEC 61779-4*CEI 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

1998-04-00

Hết hiệu lực

DIN EN 61779-4 (2001-07), MOD * BS EN 61779-4 (2000-09-15), MOD * GB 20936.4 (2008), IDT * EN 61779-4 (2000-06), MOD * prEN 61779-4 (1999-04), MOD * NF C23-560-4 (2005-01-01), MOD * C23-560-4, MOD * SN EN 61779-4 (2000), MOD * OEVE/OENORM EN 61779-4 (2001-09-01), NEQ * PN-EN 61779-4 (2002-09-15), MOD * PN-EN 61779-4 (2004-07-01), MOD * SS-EN 61779-4 (2000-12-01), MOD * UNE-EN 61779-4 (2002-11-20), IDT * GOST IEC 61779-4 (2006), IDT * GOST R 52139 (2003), IDT * TS EN 61779-4 (2003-03-31), IDT * STN EN 61779-4 (2002-01-01), MOD * STN EN 61779-4 (2002-08-01), MOD * CSN EN 61779-4 (2001-03-01), NEQ * NEN-EN-IEC 61779-4:2000 en;fr (2000-10-01), MOD

IEC 31L/50/FDIS (1997-11)

IEC 60079-29-1*CEI 60079-29-1 (2007-08)

IEC 61779-4*CEI 61779-4 (1998-04) * IEC 60079-29-1*CEI 60079-29-1 (2007-08) * IEC 31L/50/FDIS (1997-11) * IEC 31L/31/CDV (1994-12)

Electric appliances * Electrical engineering * Electrically-operated devices * Flammable atmospheres * Fuel gases * Gases * Measurement * Specification (approval) * Burning gases

13.320. Hệ thống báo động và báo trước

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