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MIL-PRF-62546C
SENSOR, FIRE, OPTICAL
Organization:
ARMY - AT - Tank-Automotive and Armaments Command
Year: 2010
Abstract: This specification covers two types of optical fire sensor assemblies (OFSAs), components of the Halon 1301 automatic fire extinguishing systems used in military vehicles. The OFSA detects and signals the presence of a hydrocarbon fire requiring a system response (see 6.1).Intended Use: The OFSA is the sensing element of Halon 1301 fire extinguishing systems used in military ground combat and tactical vehicles (such as the M992 Field Artillery Ammunition Support Vehicle (FAASV)). The OFSA responds to optical radiation from exploding atomized or vaporized hydrocarbons and energizes the fire extinguishing system within 3 to 4 ms, depending on the OFSA type (see 3.3.3.1.4), when an energy level equal to or greater than the large fire threshold is attained. The systems are intended for use in personnel areas and other compartments such as engine spaces. These systems are designed to protect against the potential danger of detonations, deflagration, and slow growth fires due to the presence of highly combustible fuels or other liquid hydrocarbons or flammable debris.
Subject: Built-in-test-equipment (BITE)
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| contributor author | ARMY - AT - Tank-Automotive and Armaments Command | |
| date accessioned | 2017-09-04T18:46:20Z | |
| date available | 2017-09-04T18:46:20Z | |
| date copyright | 01/26/2010 | |
| date issued | 2010 | |
| identifier other | AMTTPCAAAAAAAAAA.pdf | |
| identifier uri | http://yse.yabesh.ir/std;quessionid=31064A12890E972C109490D8982D8B45/handle/yse/227517 | |
| description abstract | This specification covers two types of optical fire sensor assemblies (OFSAs), components of the Halon 1301 automatic fire extinguishing systems used in military vehicles. The OFSA detects and signals the presence of a hydrocarbon fire requiring a system response (see 6.1).Intended Use: The OFSA is the sensing element of Halon 1301 fire extinguishing systems used in military ground combat and tactical vehicles (such as the M992 Field Artillery Ammunition Support Vehicle (FAASV)). The OFSA responds to optical radiation from exploding atomized or vaporized hydrocarbons and energizes the fire extinguishing system within 3 to 4 ms, depending on the OFSA type (see 3.3.3.1.4), when an energy level equal to or greater than the large fire threshold is attained. The systems are intended for use in personnel areas and other compartments such as engine spaces. These systems are designed to protect against the potential danger of detonations, deflagration, and slow growth fires due to the presence of highly combustible fuels or other liquid hydrocarbons or flammable debris. | |
| language | English | |
| title | MIL-PRF-62546C | num |
| title | SENSOR, FIRE, OPTICAL | en |
| type | standard | |
| page | 48 | |
| status | Active | |
| tree | ARMY - AT - Tank-Automotive and Armaments Command:;2010 | |
| contenttype | fulltext | |
| subject keywords | Built-in-test-equipment (BITE) | |
| subject keywords | Halon 1301 automatic fire extinguisher | |
| subject keywords | Hydrocarbon fire | |
| subject keywords | Optical radiation | |
| subject keywords | Radiation | |
| subject keywords | Sensing element |