British Standards Document
BS EN 50271
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

https://doi.org/10.3403/30331470U

BS EN 50271 is maintained by EXL/31/1. The current release of this standard is:

BS EN 50271:2018 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

https://doi.org/10.3403/30331470 (published 29/06/2018)

This standard is available from the following sources:

Other historical versions of this standard document also exist:

BS EN 50271:2010 [current until 29/06/2018]
BS EN 50271:2002 [current until 30/04/2011]