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CENELEC
EN 50055:1998

EN 50055:1998

Superseded

Superseded

A superseded Standard is one, which is fully replaced by another Standard, which is a new edition of the same Standard.

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superseded

A superseded Standard is one, which is fully replaced by another Standard, which is a new edition of the same Standard.

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

Superseded date

06-01-2000

Published date

07-09-1998

Publisher

European Committee for Standards - Electrical

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

This European Standard specifies performance requirements for Group I (as defined in European Standard EN 50054) portable, transportable and fixed apparatus for the detection and measurement of methane concentrations in mine air. The apparatus, or parts thereof, are intended for use in mines susceptible to firedamps and shall meet the general requirements and test methods specified in EN 50054.This European Standard 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 5 % (v/v)

Committee
CLC/TC 31
DocumentType
Standard
PublisherName
European Committee for Standards - Electrical
Status
Superseded
SupersededBy

Standards Relationship
NEN EN 50055 : 1998 Identical
UNE-EN 50055:1999 Identical
BS EN 50055:1999 Identical
CEI EN 50055 : 2ED 1999 Identical
DIN EN 50055 : 1999 Identical
NF EN 50055 : 92 AMD 1 98 Identical
VDE 0400-2 : 2015-12 Identical
I.S. EN 50055:1998 Identical
NBN EN 50055 : 1998 Similar to

BS EN 50054:1999 Electrical apparatus for the detection and measurement of combustible gases. General requirements and test methods
BS EN 50194:2000 Electrical apparatus for the detection of combustible gases in domestic premises. Test methods and performance requirements
I.S. EN 61779-1:2003 ELECTRICAL APPARATUS FOR THE DETECTION AND MEASUREMENT OF FLAMMABLE GASES - PART 1: GENERAL REQUIREMENTS AND TEST METHODS
EN 50054:1998 Electrical apparatus for the detection and measurement of combustible gases - General requirements and test methods
PREN 50134-2 : DRAFT 2016 ALARM SYSTEMS - SOCIAL ALARM SYSTEMS - PART 2: TRIGGER DEVICES
CSA PLUS 2203 : 2001 HAZARDOUS LOCATIONS - GUIDE FOR THE DESIGN, TESTING, CONSTRUCTION, AND INSTALLATION OF EQUIPMENT IN EXPLOSIVE ATMOSPHERES
ISA 12.13.01 : 2003 PERFORMANCE REQUIREMENTS FOR COMBUSTIBLE GAS DETECTORS
CEI UNI EN 50194 : 2001 ELECTRICAL APPARATUS FOR THE DETECTION OF COMBUSTIBLE GASES IN DOMESTIC PREMISES - TEST METHODS AND PERFORMANCE REQUIREMENTS
DIN EN 50134-2 : 2000 ALARM SYSTEMS - SOCIAL ALARM SYSTEMS - PART 2: TRIGGER DEVICES
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 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
BS EN 50241-1:1999 Specification for open path apparatus for the detection of combustible or toxic gases and vapours General requirements and test methods
04/30112677 DC : 0 IEC 61779-1 ED.2 - ELECTRICAL APPARATUS FOR THE DETECTION AND MEASUREMENT OF FLAMMABLE GASES - PART 1: GENERAL REQUIREMENTS AND TEST METHODS
VDE 0830-4-2 : 2000 ALARM SYSTEMS - SOCIAL ALARM SYSTEMS - PART 2: TRIGGER DEVICES
EN 50241-1 : 99 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
16/30331025 DC : 0 BS EN 50134-2 - ALARM SYSTEMS - SOCIAL ALARM SYSTEMS - PART 2: TRIGGER DEVICES
CEI EN 50134-2 : 2000 ALARM SYSTEMS - SOCIAL ALARM SYSTEMS - PART 2: TRIGGER DEVICES
I.S. EN 50241-1:1999 SPECIFICATION FOR OPEN PATH APPARATUS FOR THE DETECTION OF COMBUSTIBLE OR TOXIC GASES AND VAPOURS - GENERAL REQUIREMENTS AND TEST METHODS
EN 50194:2000 Electrical apparatus for the detection of combustible gases in domestic premises - Part 1: Test methods and performance requirements

EN 50054:1998 Electrical apparatus for the detection and measurement of combustible gases - General requirements and test methods

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