TA-2988 series optical smoke detectors are designed to respond to a wide spectrum of fires and ease installation. every unit is individually tested and calibrated to ensure high reliability and prevent false alarms
Advanced photoelectric smoke sensing technology
Durable sensor head; excellent smoke access
Ar (auto reset) function for security systems(optional for 4 wire models)
N/c (normal/close)-n/o (normal/open) selectable relay output
Easy installation and maintenance
Modern design (white and beige colors)
Freq. :3~5 sec
Five-year limited warranty
sensor base: standard and shottky diode
remote led
comply with en54 and ce
smoke sensitivity:EN 54-5/7:2000 standard
detection range:100 square meters rating for smoke sensor; 50 square meters rating for heat sensor
start-up current:70 μa maximum
alarm impedance:for 2-wire models: 100Ω+3v max; 560Ω+3v max (red led open circuit)
alarm indicator:led continuously emitting red light
temperature range:-10℃ to 50℃
remote output:15 ma max, diode gate
humidity:0 to 95% rh, noncondensing
alarm contact:for 4-wire: n/o or n/c operation
form a: 1.0a@30vdc/0.5a@125vac
dimensions:10mm (dia) x 46mm (ht) with base
weight:130g/set with base
