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AS3020KT - Crystal Locked Ultrasonic Motion Detector Mk1

Ability Level 3: IntermediateProduct Formats Available: Pre-Assembled Module (AS) or
Self-Assembly Electronic Kit ( Soldering Required)

Ideal for monitoring door opening or movement past a point. Uses a matched pair of transmitter/ receiver transducers operating at 40KHz to reliably detect movement 3 - 7 metres away. Circuit is crystal locked for maximum efficiency.

Transducers are mounted on a separate PCB for remote mounting.

Adjustable trigger sensitivity. Auto Reset (after ~ 0.3 Sec) or Latched On output options. An LED lights when the circuit is triggered.

A 12Vdc output pulse is available to drive small DC loads (up to 50mA) like a buzzer, siren, relay (e.g. Order Code 1168), opto-coupler (e.g. MOC3021),etc. Designed for indoor use.

Input Voltage12V dc (e.g. battery or 660.446UK with connector 778.106 or 777.001 is suitable)
Current consumption~ 16mA standby, 25mA active (no load)
Detection Range~ 3 - 7 metres for best results
Output ModesAuto Reset (after ~ 0.3 Sec) or Latched On
Output Type12Vdc Pulse
Output Load50mA max.
Tx Board Dimensions50x70mm
Rx Board Dimensions12x70mm
Board ConnectionsSolder pads
Product FormatsSELF-ASSEMBLY Electronic Kit (KT) or
PRE-ASSEMBLED Electronic Module (AS) Product Formats Info
DocumentationUser Manual
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