Catalog > Consumer Electronics > Security & Alarms > Alarms > IR Beam Detectors Dual Digital Photoelectric Beam Sensor Digital Photoelectric Beam Sensor AN900-A30S DIGITAL IR PHOTOELECTRIC BEAM ,DUAL SENSOR ,30M OUTDOOR/90M INDOOR , EASY ALIGNMENT VIA NUMBER DISPLAY , FREQUENCY AND TIME SELECTABLE CHANNELS TO AVOID INTEFERENCE AND SENSITIVITY. Discontinued Specifications, Prices & Availability may change without notice. Images are for illustration purposes only. E&OE Specifications Detection system : Simultaneous breaking of 2 beamsInfrared beam : LED pulsed beam, Double modulationProtection distanceOutdoor 30m (100ft) or moreIndoor 90m (300ft) or moreResponse time : 50ms,100ms,300ms, 700msec optionalAlarm Period : 2S, 50mA are optionalBeam Frequency : 4 channels are optionalSupply voltage : 12V to 24V DC/AC (12V DC Recommendable)Current consumption : 90mA MaxIP rating : IP55Alarm Output : Dry contact relay output form CContact Action : Interruption time + delay timeTamper Output : Dry contact relay N/C (Receiver only)Action : Activated when cover is detachedAlarm LED : Red LED (Receiver)ON : when an alarm is initiated.Attenuation LED Red LED (Receiver)ON : when beam is attenuated.Functions : Multi-Meter Test PointsAGC circuit : Frost proof coverLED No from 1 to 9 display for alignment level indicationAmbient Temperature : -25°C to +60°CMounting Positions : Indoor / Outdoor; Wall / PoleWiring : TerminalsWeight : 1000g (Transmitter + Receiver )Material : PC resin