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BS EN 54-7-2001 pdf download.Fire detection and fire alarm systems Part 7: Smoke detectors — Point detectors using scattered light, transmitted light or ionization. The specimens orientation relative to the direction of air flow Is arbitrary, but...

BS EN 54-18-2005 pdf download.Fire detection and fire alarm systems Part 18 Input / output devices. In order to comply with this European Standard, the input/output devices shall meet the requirements of this clause, which shall be...

BS EN 54-17-2005 pdf download.Fire detection and fire alarm systems Part 17 : Short-circuit isolators. open condition condition of the short-circuit isolator which prevents the passage of short circuit currents through the short-circuit isolator. (i.e. the correct...

BS EN 54-20-2006 pdf download.Fire detection and fire alarm systems Part 20 : Aspirating smoke detectors. If variations in these parameters have a significant effect on a measurement, then such variations shall be kept to a minimum...

BS EN 54-1-2011 pdf download.Fire detection and fire alarm systems Part 1 : Introduction. 2 General 2.1 Standardization series EN 54 specifies: — requirements, test methods and performance criteria against which the effectiveness and reliabihty of the...

BS/EN 54-3-2014 pdf download.Fire detection and fire alarm systems Part 3 : Fire alarm devices - Sounders. 5.1.2 Operating conditions for tests If a test method requires a specimen to be sounding. then the specimen shall be...

BS/EN 54-7-2018 pdf download.Fire detection and fire alarm systems Part 7: Smoke detectors - Point smoke detectors that operate using scattered light, transmitted light or ionization. 5.4.2 Dazzling 5.4.2.1 Object To show the sensitivity 01 the point...

BS/EN 54-13-2017 pdf download.Fire detection and fire alarm systems Part 13: Compatibility and connectability assessment of system components. 4.2.4 Each type 1 component shall be powered directly or indirectly by a PSE which conforms to the requirements...

BS/EN 54-5-2017 pdf download.Fire detection and fire alarm systems Part 5 : Heat detectors - Point heat detectors. 4.6.4.2 Impact (operational) The point heat detector shall withstand mechanical impacts upon its surface, which it may sustain in...