Det-Tronics U7602E Unitized UV Flame Detector/Controller - Manual (Page 17)

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APPENDIX A
FACTORY MUTUAL RESEARCH (FMR) APPROVAL DESCRIPTION
(THE FOLLOWING ITEMS, FUNCTIONS AND OPTIONS DESCRIBE THE FMR APPROVAL)
Model U7602E Series UV Flame Detector
• Explosion-proof for Class I, Div. 1, Groups B, C and D Hazardous (Classified) Locations per FM 3615.
Standard Temperature Version
• Explosion-proof for Class I, Div. 1, Groups B, C and D Hazardous (Classified) Locations per FM 3615.
• Nonincendive for Class I, Div. 2, Groups A, B, C and D (T3C); Class II/III, Div. 2, Groups F and G (T3C)
Hazardous (Classified) Locations per FM 3611.
• Dust-ignition proof for Class II/III, Div. 1, Groups E, F and G Hazardous (Classified) Locations per FM 3615.
• Enclosure rating NEMA/Type 4X per NEMA 250.
• Ambient Temperature Limits: –40°F to +167°F (–40°C to +75°C).
• Automatic Fire Alarm Signaling Performance verified per FM 3260.
High Temperature Version
• Explosion-proof for Class I, Div. 1, Groups B, C and D Hazardous (Classified) Locations per FM 3615.
• Nonincendive for Class I, Div. 2, Groups A, B, C and D (T3); Class II/III, Div. 2, Groups F and G (T3) Hazardous
(Classified) Locations per FM 3611.
• Dust-ignition proof for Class II/III, Div. 1, Groups E, F and G Hazardous (Classified) Locations per FM 3615.
• Enclosure rating NEMA/Type 4X per NEMA 250.
• Ambient Temperature Limits: –40°F to +257°F (–40°C to +125°C).
• Automatic Fire Alarm Signaling Performance verified per FM 3260.
RESPONSE CHARACTERISTICS—
A Model U7602E with B2 Module was verified to comply with the following performance criteria:
Standard Mode, Very High Sensitivity (10 cps), Zero Time Delay
Fuel Size Distance Response Time
Gasoline 1 ft x 1 ft (0.3 m x 0.3 m) 90 ft (27.4 m) <1 sec.
Diesel 1 ft x 1 ft (0.3 m x 0.3 m) 65 ft (19.8 m) <1 sec.
Methane 30 inch plume 80 ft (24.4 m) <1 sec.
NOTE: All fuels at 20°C ±2°C with response timed from fuel ignition.