Photoelectric Sensor ld4s

Description

Photoelectric Sensor, Smoke Detector, Depth (In.) 2 1/2 in, Height (In.) 5 in, Length (In.) 7 3/4 in, Ambient Temp. Limits (F) -4 Degrees to 158 Degrees , Air Velocity (FPM) 100 to 4000, Humidity Range ( Percent RH) 0 to 95, Number Required 1, Standards UL, FM, Includes Duct Smoke Detector Sensor, For Use With Mfr. No. D4P120, RTS2, DST Sampling Tubes