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EN 50058:1998

(Main)

Electrical apparatus for the detection and measurement of combustible gases - Performance requirements for Group II apparatus indicating up to 100 % (v/v) gas

Electrical apparatus for the detection and measurement of combustible gases - Performance requirements for Group II apparatus indicating up to 100 % (v/v) gas

This European Standard specifies performance requirements for Group II (as defined in EN 50054) portable, transportable and fixed apparatus for the detection and measurement of combustible gas or vapour concentrations with air. The apparatus, or parts thereof, may be installed or used in potentially explosive atmospheres, other than mines susceptible to firedamp (i.e. Group I). The general requirements and test methods applicable to the apparatus covered by this European Standard are specified in EN 50054.This European Standard is restricted to apparatus intended for the detection and measurement of volume ratios of combustible gas or vapour in air from 0 % (v/v) to 100 % (v/v).NOTE 1: Apparatus covered by this European Standard will normally be intended to operate in volume ratios greater than 100 % LEL. NOTE 2: Although apparatus of the types covered by this European Standard may be suitable for detecting a wide range of combustible gases, particular gases (e.g. methane or propane) are specified in EN 50054 as the components of the test gases for the purpose of practical convenience. The performance requirements specified in this European Standard must therefore be regarded with caution when the apparatus is used to detect other combustible gases, as some parameters - such as time of response - will be modified

Elektrische Geräte für die Detektion und die Messung brennbarer Gase - Anforderungen an das Betriebsverhalten von Geräten der Gruppe II mit einem Meßbereich bis zu 100 % (V/V) Gas

Appareils électriques de détection et de mesure des gaz combustibles - Règles de performances des appareils du Groupe II pouvant indiquer jusqu'à 100 % (v/v) de gaz

Electrical apparatus for the detection and measurement of combustible gases - Performance requirements for Group II apparatus indicating up to 100 % (v/v) gas

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Withdrawn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
Ref Project
SIST EN 50058:2000 - Electrical apparatus for the detection and measurement of combustible gases - Performance requirements for Group II apparatus indicating up to 100 % (v/v) gas

Relations

Replaces
EN 50058:1991 - Electrical apparatus for the detection and measurement of combustible gases - Performance requirements for Group II apparatus indicating up to 100 % (v/v) gas
Effective Date
28-Jan-2023
Replaced By
EN 61779-5:2000 - Electrical apparatus for the detection and measurement of flammable gases - Part 5: Performance requirements for group II apparatus indicating a volume fraction up to 100 % gas
Effective Date
28-Jan-2023

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Standards Content (Sample)


SLOVENSKI STANDARD
01-september-2000
Electrical apparatus for the detection and measurement of combustible gases -
Performance requirements for Group II apparatus indicating up to 100 % (v/v) gas
Electrical apparatus for the detection and measurement of combustible gases -
Performance requirements for Group II apparatus indicating up to 100 % (v/v) gas
Elektrische Geräte für die Detektion und die Messung brennbarer Gase - Anforderungen
an das Betriebsverhalten von Geräten der Gruppe II mit einem Meßbereich bis zu 100 %
(V/V) Gas
Appareils électriques de détection et de mesure des gaz combustibles - Règles de
performances des appareils du Groupe II pouvant indiquer jusqu'à 100 % (v/v) de gaz
Ta slovenski standard je istoveten z: EN 50058:1998
ICS:
13.320 Alarmni in opozorilni sistemi Alarm and warning systems
29.260.20 (OHNWULþQLDSDUDWL]D Elect
...

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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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