DUAL ULTRASONIC AND PIR CEILING SENSOR 2000 SQ

| Time Delay: Test (8 seconds), adaptive 8 to 40 minutes |Red LED Passive Infrared sensing indicator |Green Ultrasonic sensing indicator |Ambient Light - 1 to 1000 foot candles |Sensitivity - Adaptive 0 to 100% | The ATD series sensors incorporate both ultrasonic and passive infrared detection technologies. These dual technology sensors provide the most reliable means of automatic lighting control. Common applications include open office spaces, conference rooms, classrooms, and executive offices where flawless performance is necessary. An isolated relay and photocell are included on models with “RP” suffix. A CU series control unit is required for use with ATD series sensors.