EV 669/ 666 Ceiling Mounted Passive Infrared Detectors[Oct. 1, 2011 5:34:03]
Specification
360Â º coverage
20 m range ( diameter)
2 x pyros; 2 x mirrors;
2 x ASICs; 2 x performance
18 unique gliding focus curtains
Precision mirror optics
Latest generation â € œ 4Dâ signal processing providing increased environmental stability with enhanced detection capability
Electronic coverage pattern selection
Alarm memory as standard
Selectable control logic for alarm memory
and walk test LED
Full undercrawl detection