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SIST EN 50073:2000

(Main)

Guide for selection, installation, use and maintenance of apparatus for the detection and measurement of combustible gases or oxygen

Guide for selection, installation, use and maintenance of apparatus for the detection and measurement of combustible gases or oxygen

This document gives guidance on the selection, installation, use and maintenance of electrically operated Group II apparatus intended for use in industrial and commercial safety applications for the detection and measurement of: combustible gases, as described in EN 50054, EN 50057, EN 50058 or oxygen as described in EN 50104. This guide is a compilation of practical knowledge to assist the user. Combustible gas detection apparatus, fixed, transportable or portable, may be used whenever there is the possibility of a risk to life or property caused by the accumulation of a combustible gas-air mixture. Such apparatus can provide a means of reducing the risk by detecting the presence of the combustible gas and issuing suitable audible or visual warnings. It may also be used to initiate specific safety precautions (e.g. plant shutdown, evacuation, operation of fire extinguishing procedures). It is applicable to all new permanent installations and, where reasonably practicable, to existing permanent installations. It is also applicable to temporary installations, whether new or existing. This Guide is not intended, but may provide useful information, for the following apparatus intended for the measurement of oxygen deficiency which may affect human health, apparatus intended only for the detection of non-combustible toxic gases; apparatus of laboratory or scientific type intended only for analysis or measurement purposes; Apparatus intended for underground mining applications; apparatus intended only for process control applications; This Guide does not apply to the following: apparatus for the detection of explosives; apparatus intended for the detection of a potentially combustible atmosphere resulting from dust or mist in air; open path apparatus not used for point measurement

Leitfaden für Auswahl, Installation, Einsatz und Wartung von Geräten für die Detektion und die Messung von brennbaren Gasen oder Sauerstoff

Guide de sélection, d'installation, d'utilisation et de maintenance des appareils de détection et de mesure de gaz combustible ou d'oxygène

Vodilo za izbiro, vgraditev, uporabo in vzdrževanje naprav za odkrivanje in merjenje vnetljivih plinov ali kisika

General Information

Status
Withdrawn
Publication Date
31-Mar-2000
Withdrawal Date
07-Dec-2010
ICS
13.320 - Alarm and warning systems
Technical Committee
EXP - Electrical apparatus for explosive atmospheres
Current Stage
9900 - Withdrawal (Adopted Project)
Start Date
07-Dec-2010
Due Date
30-Dec-2010
Completion Date
08-Dec-2010
Ref Project
EN 50073:1999 - Guide for selection, installation, use and maintenance of apparatus for the detection and measurement of combustible gases or oxygen

Relations

Replaced By
SIST EN 60079-29-2:2008 - Explosive atmospheres -- Part 29-2: Gas detectors - Selection, installation, use and maintenance of detectors for flammable gases and oxygen
Effective Date
01-Nov-2010
Replaced By
SIST EN 60079-29-2:2008 - Explosive atmospheres -- Part 29-2: Gas detectors - Selection, installation, use and maintenance of detectors for flammable gases and oxygen
Effective Date
29-Jan-2023
Replaced By
SIST EN 60079-29-2:2008 - Explosive atmospheres -- Part 29-2: Gas detectors - Selection, installation, use and maintenance of detectors for flammable gases and oxygen
Effective Date
07-Jun-2022

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SLOVENSKI STANDARD
SIST EN 50073:2000
01-april-2000
Vodilo za izbiro, vgraditev, uporabo in vzdrževanje naprav za odkrivanje in
merjenje vnetljivih plinov ali kisika
Guide for selection, installation, use and maintenance of apparatus for the detection and
measurement of combustible gases or oxygen
Leitfaden für Auswahl, Installation, Einsatz und Wartung von Geräten für die Detektion
und die Messung von brennbaren Gasen oder Sauerstoff
Guide de sélection, d'installation, d'utilisation et de maintenance des appareils de
détection et de mesure de gaz combustible ou d'oxygène
Ta slovenski standard je istoveten z: EN 50073:1999
ICS:
13.320 Alarmni in opozorilni sistemi Alarm and warning systems
SIST EN 50073:2000 en
2003-01.Slovenski inštitut za standardizacijo. Razmnoževanje celote ali delov tega standarda ni dovoljeno.

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equipment for the detection and measurement of flammable gas or vapour concentrations with
air. The equipment, or parts thereof, is intended for use in explosive atmospheres and in
mines susceptible to firedamp.
This part of IEC 60079-29 is applicable to flammable gas detection equipment with a
measuring range up to any volume fraction as declared by the manufacturer, and which is
intended to provide an indication, alarm or other output function; the purpose of which is to
indicate a potential explosion hazard and in some cases, to initiate automatic or manual
protective action(s).
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safety applications.
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laboratory or scientific type, or to equipment used only for process monitoring and/or control
purposes. It also does not apply to open path (line of sight) detectors which are within the
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where the concentration is uniform over the optical path are within the scope of this standard.
For equipment used for sensing the presence of multiple gases, this part of IEC 60079-29
applies only to the detection of flammable gas or vapour.
This part of IEC 60079-29 supplements and modifies the general requirements of
IEC 60079-0. Where a requirement of this standard conflicts with a requirement of
IEC 60079-0, the requirement of IEC 60079-29-1 takes precedence.
NOTE 1 IEC 60079-29-1 is intended to provide for the supply of equipment giving a level of safety and
performance suitable for general purpose applications. However, for specific applications, a prospective purchaser
(or an appropriate authority) can additionally require the equipment to be submitted to particular tests or approval.
For example, Group I equipment (i.e. equipment to be used in mines susceptible to firedamp) might not be
permitted to be used without the additional, prior approval of the relevant authority in mines under its jurisdiction.
Such particular tests/approval are to be regarded as additional to and separate from the provisions of the
standards referred to above and do not preclude certification to or compliance with these standards.
NOTE 2 All equipment calibrated on specific gases or vapours can not be expected to correctly indicate on other
gases or vapours.
For the purposes of this standard, the terms "lower flammable limit (LFL)" and "lower
explosive limit (LEL)" are deemed to be synonymous, and likewise the terms "upper
flammable limit (UFL)" and "upper explosive limit (UEL)" are deemed to be synonymous. For
ease of reference, the two abbreviations LFL and UFL may be used hereinafter to denote
these two sets of terms. It should be recognized that particular authorities having jurisdiction
may have overriding requirements that dictate the use of one of these sets of terms and not
the other.

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SIST EN 50270:2015/AC:2017(Corrigendum)
Electromagnetic compatibility - Electrical apparatus for the detection and measurement of combustible gases, toxic gases or oxygen
EN 50270:2015/AC:2016-08

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