Test Methodology for Multiple Sensor: Multiple Criteria Alarms.
Test Methodology for Multiple Sensor: Multiple Criteria
Cleary, T. G.
International Conference on Automatic Fire Detection
"AUBE '04", 13th Proceedings. University of Duisburg.
[Internationale Konferenz uber Automatischen
Brandentdeckung.] September 14-16, 2004, Duisburg,
Germany, Luck, H.; Laws, P.; Willms, I., Editor(s)(s),
64-73 pp, 2004.
fire detection; fire alamr systems; false alarms; smoke
detectors; fire tests; methodology; sensors
Multiple sensor-multiple criteria fire alarms hold
promise for improving fire detection by both increasing
sensitivity to fire while decreasing nuisance alarms.
Eventually, to provide a fair assessment of performance,
some type of uniform testing protocol needs to be
advanced in order to demonstrate to stakeholders
(standards organizations, testing laboratories,
manufacturers, governmental organizations, fire
departments and affiliated national organizations, and
consumers) the value of various alarm designs. Standard
fire sensitivity tests provide one way to assess fire
detection performance, but there are no consensus
standards related to nuisance sources. NIST is working
on a test methodology based on reproducing fire and
nuisance conditions in the fire emulator/detector
evaluator (FE/DE). Full-scale fire and nuisance tests
conducted as part of the Home Smoke Alarm Project
supplied the data for comparisons to scenarios emulated
in the FE/DE. Comparisons of two of these tests, a
smoldering chair and cooking oil fire, to their emulated
scenarios in the FE/DE are described and shortcomings
identified. Based on these results and previously
reported emulated fire and nuisance tests, the proposed
methodology shows promise in relating full-scale smoke
alarm tests to reproducible laboratory tests at a level
sufficient to assess alarm performance where sensors
respond to convected heat, smoke and combustion gases,
or nuisance products. However, more test development is
needed in order to more closely match real-scale test
conditions to emulations and to demonstrate