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I.S. EN 50056:1998

Superseded

Superseded

A superseded Standard is one, which is fully replaced by another Standard, which is a new edition of the same Standard.

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ELECTRICAL APPARATUS FOR THE DETECTION AND MEASUREMENT OF COMBUSTIBLE GASES - PERFORMANCE REQUIREMENTS FOR GROUP 1 APPARATUS INDICATING UP TO 100% (V/V) METHANE

Available format(s)

Hardcopy , PDF

Superseded date

01-10-2003

Superseded by

I.S. EN 61779-3:2003

Language(s)

English

Published date

01-01-1998

For Harmonized Standards, check the EU site to confirm that the Standard is cited in the Official Journal.

Only cited Standards give presumption of conformance to New Approach Directives/Regulations.


Dates of withdrawal of national standards are available from NSAI.

€33.00
Excluding VAT

Foreword
1 Scope
2 Normative reference
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)
5.16 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

Covers performance requirements for Group 1 portable, transportable and fixed apparatus for the detection and measurement of methane concentrations in mine air up to 100% (v/v).

DocumentType
Standard
Pages
10
PublisherName
National Standards Authority of Ireland
Status
Superseded
SupersededBy

Standards Relationship
NF EN 50056 : 92 AMD 1 98 Identical
EN 50056:1998 Identical
BS EN 50056:1999 Identical
DIN EN 50056 : 1999 Identical
UNE-EN 50056:1999 Identical
NEN EN 50056 : 1998 Identical
NBN EN 50056 : 1998 Identical

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