NBN EN 50271 : 2010
Current
The latest, up-to-date edition.
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
12-01-2013
1 Scope
2 Normative references
3 Definitions
4 Design principles
4.1 General design requirements
4.1.1 Analogue/digital interface
4.1.2 Numerical errors
4.1.3 Measuring operation
4.1.4 Special state indication
4.1.5 Digital indication
4.1.6 Digital reading (not applicable to
alarm only apparatus)
4.2 Software
4.3 Hardware
4.4 Data transmission
5 Test of the digital unit
5.1 Verification of functional concept
5.2 Performance test
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