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Description / Abstract:
This Standard covers the following basic types of fire detection
instruments, or combinations
thereof, intended for use in protecting aircraft powerplant
installation, auxiliary powerplants,
combustion heaters and other installations where fuel, oil or similar
fires may occur.
Type I: Thermal - Fixed Temperature, an instrument which will actuat
an alarm signal when exposed
to any temperature above a definite pre-established level.
Type II: Thermal - Rate of Rise, an instrument which will actuate an
alarm signal when exposed to
any rate of temperature change above a definite pre-established level.
Type III: Flame - Contact, an instrument which will actuate an alarm
signal when exposed to
physical contact with flame.
Range The range and/or setting of the instrument shall be as marked on
the instrument.
The following documents shall form a part of this specification to the
extent
specified herein:
Radio Technical Commission of Aeronautics (RTCA) Document DO-160
"Environmental Conditions and Test
Procedures for Airborne Electronic/Electrical Equipment and
Instruments," dated 28 February 1975
(copies may be obtained from the RTCS Secretariat, 1717 H Street, N.
W. Washington, D. C. 20006).
"Rules for SAE use of SI (metric) units - SAE document J 916B," dated
July 1976 - Copies may be
obtained from Society of Automotive Engineers, 400 Commonwealth Drive,
Warrendale, PA., 15096.