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EN 50054:1998

(Main)

Electrical apparatus for the detection and measurement of combustible gases - General requirements and test methods

Electrical apparatus for the detection and measurement of combustible gases - General requirements and test methods

This European Standard 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 combustible gas or vapour concentrations with air. The apparatus, or parts thereof, is intended for use in potentially explosive atmospheres and in mines susceptible to firedamp. This European standard is supplemented by the following European Standards, concerning the specific requirements for performance of the various types of apparatus:EN 50055: Performance requirements for Group I apparatus indicating up to 5 % (v/v) methane in air; EN 50056: Performance requirements for Group I apparatus indicating up to 100 % (v/v) methane EN 50057: Performance requirements for Group II apparatus indicating up to 100 % lower explosive limit; EN 50058: Performance requirements for Group II apparatus indicating up to 100 % (v/v) gas- NOTE 1: Group I apparatus indicating up to 100 % (v/v) methane and Group II apparatus indicating up to 100 % (v/v) gas are suitable for use only with the specific gases for which they have been calibrated. NOTE 2: For the purposes of this European Standard the term 'combustible gas' includes combustible vapours but excludes mist and dust, see 3.3 note 1. This European Standard is applicable to combustible gas detection apparatus intended to provide an indication) alarm and/or other output function, the purpose of which is to give a warning of potential explosion hazard and in some cases to initiate automatic or manual protective actions. This European Standard is applicable to apparatus, including the integral sampling systems of aspirated apparatus intended to be used for commercial and industrial safety applications. This European Standard does not apply to external sampling systems, or to apparatus of the laboratory or scientific types, or to apparatus used only for process control purposes

Elektrische Geräte für die Detektion und die Messung brennbarer Gase - Allgemeine Anforderungen und Prüfmethoden

Appareils électriques de détection et de mesure des gaz combustibles - Règles générales et méthodes d'essais

Electrical apparatus for the detection and measurement of combustible gases - General requirements and test methods

General Information

Status
Withdrawn
Publication Date
08-Jul-1998
Withdrawal Date
31-Dec-1998
ICS
19.080 - Electrical and electronic testing
Technical Committee
CLC/TC 31 - Electrical apparatus for explosive atmospheres - General requirements
Drafting Committee
CLC/SC 31-9 - Electrical apparatus for the detection and measurement of combustible gases to be used in industrial
Parallel Committee
IEC/SC 31L - IEC_SC_31L
Current Stage
9960 - Withdrawal effective - Withdrawal
Start Date
30-Jun-2003
Completion Date
30-Jun-2003
Directive
94/9/EC - Directive 94/9/EC of the European Parliament and the Council of 23 March 1994 on the approximation of the laws of the Member States concerning equipment and protective systems intended for use in potentially explosive atmospheres
Mandate
BC/CEN/CLC/08-92 - BC/CEN/CLC/08-92
Ref Project
SIST EN 50054:2000 - Electrical apparatus for the detection and measurement of combustible gases - General requirements and test methods

Relations

Replaces
EN 50054:1991 - Electrical apparatus for the detection and measurement of combustible gases - General requirements and test methods
Effective Date
29-Jan-2023
Replaces
EN 50054:1991/A1:1995 - Electrical apparatus for the detection and measurement of combustible gases - General requirements and test methods
Effective Date
29-Jan-2023
Replaced By
EN 61779-1:2000 - Electrical apparatus for the detection and measurement of flammable gases - Part 1: General requirements and test methods
Effective Date
29-Jan-2023

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Standards Content (Sample)


SLOVENSKI STANDARD
01-september-2000
Electrical apparatus for the detection and measurement of combustible gases -
General requirements and test methods
Electrical apparatus for the detection and measurement of combustible gases - General
requirements and test methods
Elektrische Geräte für die Detektion und die Messung brennbarer Gase - Allgemeine
Anforderungen und Prüfmethoden
Appareils électriques de détection et de mesure des gaz combustibles - Règles
générales et méthodes d'essais
Ta slovenski standard je istoveten z: EN 50054:1998
ICS:
13.320 Alarmni in opozorilni sistemi Alarm and warning systems
29.260.20 (OHNWULþQLDSDUDWL]D Electrical apparatus for
HNVSOR]LYQDR]UDþMD explosive atmospheres
2003-01.Slovenski inštitut za standardizacijo. Razmnoževanje celote ali delov tega standarda ni dovoljeno.
...

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NEXT ACTION: TB ACTION BY 2021-09-14: common mods, currently at ENQ
2019-10-03 JF: NWI for A11 (PR=70187) was approved by the BTthrough decision D163/098. The work on the amendment is under way
2019-03-11 TC is addressing the negative assessment and is invited to provide the information whether the changes will be needed in the main body of the amendment or only in Annex ZZ.
Negative assessment. IEC standard is published.

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1.1.1 Probe assemblies included in scope This part of IEC 61010 specifies safety requirements for hand-held and hand-manipulated probe assemblies of the types described below, and their related accessories. These probe assemblies are for direct electrical connection between a part and electrical test and measurement equipment. They may be fixed to the equipment or be detachable accessories for the equipment. a) Type A: low-voltage and high-voltage, non-attenuating probe assemblies. Non-attenuating probe assemblies that are RATED for direct connection to voltages exceeding 30 V r.m.s., 42,4 V peak, or 60 V d.c., but not exceeding 63 kV. They do not incorporate components which are intended to provide a voltage divider function or a signal conditioning function, but they may contain non-attenuating components such as fuses (see Figure 1). b) Type B: high-voltage attenuating or divider probe assemblies. Attenuating or divider probe assemblies that are RATED for direct connection to secondary voltages exceeding 1 kV r.m.s or 1,5 kV d.c. but not exceeding 63 kV r.m.s or d.c. The divider function may be carried out wholly within the probe assembely, or partly within the test or measurement equipment to be used with the probe assembly (see Figure 2). c) Type C: low-voltage attenuating or divider probe assemblies. Attenuating or divider probe assemblies for direct connection to voltages not exceeding 1 kV r.m.s. or 1,5 kV d.c. The signal conditioning function may be carried out wholly within the probe assembly, or partly within the test or measurement equipment intended to be used with the probe assembly (see Figure 3). d) Type D: low-voltage attenuating, non-attenuating or other signal conditioning probe assemblies, that are RATED for direct connection only to voltages not exceeding 30 V r.m.s., or 42,4 V peak, or 60 V d.c., and are suitable for currents exceeding 8 A (see Figure 4). 1.1.2 Probe assemblies excluded from scope This standard does not apply to current sensors within the scope of IEC 61010-2-032 (hand-held and hand-manipulated current sensors), but may apply to their input measuring circuit leads and accessories.

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