Norm

NEN-EN 50271:2018 en

Elektrisch materieel voor de detectie en meting van brandbare gassen, giftige gassen of zuurstof - Eisen voor en beproevingen van toestellen die gebruikmaken van programmatuur en digitale technieken

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Over deze norm

Status Definitief
Aantal pagina's 32
Commissie Explosieveiligheid
Gepubliceerd op 01-06-2018
Taal Engels
NEN-EN 50271 specifies minimum requirements and tests for electrical apparatus for the detection and measurement of combustible gases, toxic gases or oxygen using software and/or digital technologies. This European Standard is applicable to fixed, transportable and portable apparatus intended for use in domestic premises as well as commercial and industrial applications and their software-controlled safety related accessories. This European Standard does not apply to external sampling systems which are not accessories, or to apparatus of laboratory or scientific type, or to apparatus used only for process control purposes. This European Standard supplements the requirements of the European Standards for the detection and measurement of flammable gases and vapours (e.g. EN 60079-29-1, EN 60079-29-4, EN 50194-1, EN 50194-2), toxic gases (e.g. EN 45544 series, EN 50291-1, EN 50291-2) or oxygen (e.g. EN 50104). This European Standard is a product standard which is based on the EN 61508 series. It covers part of the phase 10 “realisation” of the overall safety life cycle defined in EN 61508-1. Additional requirements are specified if compliance with safety integrity level 1 (SIL 1) according to the EN 61508 series is claimed for fixed or transportable apparatus for low demand mode of operation. They can also be applied to portable apparatus which are able to perform an automatic executive action. It is recommended to apply this European Standard for apparatus used for safety applications with SIL-requirement 1 instead of EN 50402. However, the technical requirements of EN 50271 and EN 50402 are the same for SIL 1.

Details

ICS-code 13.320
Nederlandse titel Elektrisch materieel voor de detectie en meting van brandbare gassen, giftige gassen of zuurstof - Eisen voor en beproevingen van toestellen die gebruikmaken van programmatuur en digitale technieken
Engelse titel Electrical apparatus for the detection and measurement of combustible gases, toxic gases or oxygen - Requirements and tests for apparatus using software and/or digital technologies
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