SALIENT FEATURES:
? Completely self – contained stand – alone unit system.
? Demonstrates the principle and working of remote control intruder alarm system using ultrasonic
transducer and also of intruder alarm.
? The system consists of:
a. Transmitting module.
b. Receiving module.
A. TRANSMITTING MODULE:
? Consists of one main unit and one transducer unit.
? Supply required 230V, 50Hz AC.
? Built – in IC based DC regulated power supply with short circuit protection and LED indication for supply ?ON?.
? Main unit consists of built – in excitation signal generator with variable frequency control to vary frequency from 30KHz to 50KHz and transmitter circuitry.
? Study the effect of excitation frequency on proper functioning / working of the Ultrasonic Transducer.
? Can be used as :
a. Remote Controller.
b. Intruder Alarm.
? Selector switch for ?remote mode? or ?intruder mode?.
? Transmitting Ultrasonic Transducer mounted on a special stand and is connected to main unit through jack.
B. RECEIVING MODULE:
? Consists of one main unit and one transducer unit.
? Supply required 230V, 50Hz AC.
? Built – in IC based DC regulated power supply with short circuit protection and LED indication for supply ?ON?.
? Main unit consists of consists of built – in high gain solid state AC amplifier, AC to DC converter and a comparator, comprising of receiver circuitry.
? Built – in buzzer and LED indication.
? Built – in single change over relay (230V / 2A) with contacts on panel for any mains ON / OFF.
? Selector switch for ?remote mode? and ?intruder mode?.
? Receiving Ultrasonic Transducer mounted on a special stand and is connected to main unit through jack.
OTHER FEATURES:
? Set of patch cords.
? Housed in an elegant metal cabinet with a well spread intelligently designed circuit layout on the front panel.
? Strongly supported by a comprehensive instruction manual complete with theory and operating details.
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