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BS EN 50058:1999

Superseded
Superseded

A superseded Standard is one, which is fully replaced by another Standard, which is a new edition of the same Standard.

View Superseded by
superseded

A superseded Standard is one, which is fully replaced by another Standard, which is a new edition of the same Standard.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 II apparatus indicating up to 100% (V/V) gas
Available format(s)

Hardcopy , PDF

Superseded date

09-15-2000

Language(s)

English

Published date

01-15-1999

Publisher

British Standards Institution

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 (fixed and transportable apparatus)
5.14 Drop test (applicable to portable apparatus and
      remote sensors)
5.15 Warm-up time (not applicable to spot-reading
      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
5.19 Battery capacity
5.20 Power supply variations
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

Describes performance requirements for Group II (as defined in European Standard EN 50054) portable, transportable and fixed apparatus for detection and measurement of combustible gas or vapour concentrations with air. The apparatus, or parts thereof, may be used in potentially explosive atmospheres, other than mines susceptible to firedamp (ie. Group I). General requirements and test methods applicable to apparatus covered by this European Standard are given in European Standard EN 50054. Limited to apparatus designed for detection and measurement of volume ratios of combustible gas or vapour in air from 0% (V/V) to 100% (V/V).

Committee
EXL/31
DocumentType
Standard
Pages
8
PublisherName
British Standards Institution
Status
Superseded
SupersededBy
Supersedes

Standards Relationship
EN 50058:1998 Identical
NF EN 50058 : 1992 Identical
NEN EN 50058 : 1998 Identical
I.S. EN 50058:1998 Identical
UNE-EN 50058:1999 Identical
NBN EN 50058 : 1998 Identical
DIN EN 50058 : 1999 Identical

PD 6686:2006 Guidance on directives, regulations and standards related to prevention of fire and explosion in the process industries
BS EN 1532:1997 Installation and equipment for liquefied natural gas. Ship to shore interface

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

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Hardcopy - English
PDF - English
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