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IEC 61779-1:1998 ed1.0

Заменен
Electrical apparatus for the detection and measurement of flammable gases - Part 1: General requirements and test methods — 55 стр.
Specifies general requirements for construction and testing and describes the test methods that apply to portable, transportable and fixed apparatus for the detection and measurement of flammable gas or vapour concentrations with air. The apparatus, or parts thereof, are intended for use in potentially explosive atmospheres and in mines susceptible to firedamp.
ICS
29.260.20 Electrical apparatus for explosive atmospheres / Электрическое оборудование для взрывоопасной атмосферы
17.060 Measurement. Including measuring instruments / Измерение объема, массы, плотности, вязкости. Включая измерительные приборы