DIN EN 50055 : 1999

Superseded

Superseded A superseded Standard is one, which is fully replaced by another Standard, which is a new edition of the same Standard.

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ELECTRICAL APPARATUS FOR THE DETECTION AND MEASUREMENT OF COMBUSTIBLE GASES - PERFORMANCE REQUIREMENTS FOR GROUP I APPARATUS INDICATING UP TO 5% (V/V) METHANE IN AIR

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Superseded date: 07-01-2001

Language(s):

Published date: 01-12-2013

Publisher: German Institute for Standardisation (Deutsches Institut für Normung)

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Table of Contents - (Show below) - (Hide below)

Foreword
1 Scope
2 Normative references
3 Definitions
4 General requirements
5 Performance requirements
    5.1 General
    5.2 Unpowered storage
    5.3 Calibration curve (not applicable to alarm-only
          apparatus)
    5.4 Drift (continuous duty apparatus)
    5.5 Drift (spot reading apparatus)
    5.6 Alarm
    5.7 Temperature
    5.8 Pressure
    5.9 Humidity
    5.10 Air speed
    5.11 Pumping rate
    5.12 Orientation
    5.13 Vibration (applicable only to machine-mounted
          apparatus)
    5.14 Drop test (applicable to portable apparatus and
          remote sensors)
    5.15 Warm-up time (not applicable to spot-reading
          apparatus)
          5.15.1 Fixed and transportable apparatus
          5.15.2 Continuous duty transportable apparatus
    5.16 Time of response (not applicable to spot-reading
          apparatus
    5.17 Minimum time of operation (spot-reading apparatus)
    5.18 High gas concentrations above the measuring range
          5.18.1 Non-ambiguity test
          5.18.2 Residual effect
    5.19 Battery capacity
          5.19.1 Battery-powered portable continuous duty
                  apparatus
          5.19.2 Portable spot-reading apparatus
    5.20 Power supply variations
          5.20.1 A.C. powered apparatus
          5.20.2 External d.c. powered apparatus
          5.20.3 Battery powered apparatus
    5.21 Power supply interruptions, voltage transients
          and step changes of voltage
    5.22 Addition of sampling probe
    5.23 Dust
    5.24 Poisons and other gases
    5.25 Electromagnetic immunity
6 Field calibration kit
7 Information for use

Abstract - (Show below) - (Hide below)

Describes performance requirements for Group I (as defined in European Standard EN 50054) portable, transportable and fixed apparatus for detection and measurement of methane concentrations in mine air. The apparatus, or parts thereof, are designed for use in mines susceptible to firedamp and comply with requirements and test methods specified in European Standard EN 50054. Limited to apparatus intended for detection and measurement of methane volume ratios in air from 0% (V/V) up to but not exceeding 5% (V/V).

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Document Type	Standard
ISBN
Pages
Published
Publisher	German Institute for Standardisation (Deutsches Institut für Normung)
Status	Superseded
Superseded By	DIN EN 61779-2 : 2001

International Equivalents – Equivalent Standard(s) & Relationship - (Show below) - (Hide below)

Equivalent Standard(s)	Relationship
UNE-EN 50055:1999	Identical
BS EN 50055:1999	Identical
EN 50055:1998	Identical
VDE 0400-2 : 2015-12	Corresponds
NF EN 50055 : 92 AMD 1 98	Identical
NEN EN 50055 : 1998	Identical
I.S. EN 50055:1998	Identical
NBN EN 50055 : 1998	Identical

Standards Referenced By This Book - (Show below) - (Hide below)

VDE 0400-40-1 : 2000 AMD 1 2004	SPECIFICATION FOR OPEN PATH APPARATUS FOR THE DETECTION OF COMBUSTIBLE OR TOXIC GASES AND VAPOURS - PART 1: GENERAL REQUIREMENTS AND TEST METHODS
DIN EN 50194 : 2000	ELECTRICAL APPARATUS FOR THE DETECTION OF COMBUSTIBLE GASES IN DOMESTIC PREMISES - TEST METHOD AND PERFORMANCE REQUIREMENTS
DIN EN 50241-1 : 2000 AMD 1 2004	SPECIFICATION FOR OPEN PATH APPARATUS FOR THE DETECTION OF COMBUSTIBLE OR TOXIC GASES AND VAPOURS - PART 1: GENERAL REQUIREMENTS AND TEST METHODS

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