Driveway Alarm. --A beam type driveway alarm system manufactured in the UK. A device to give advanced warning of an unwanted visitor, or just act as an automatic doorbell. Also Commando MkI gun shot alarm, Teliscopic trailer hitchpost, Kitgun birdscarer.
Specification.
The module consists of a relay and two timer circuits. The first of which gives an adjustable delay, and the second an adjustable on period.
The timers are adjustable with small preset controls.
approximately :- 1 sec to 2 mins or 2 mins to 4 mins Delay (Link/No link)
1 sec to 5 mins or 5 mins to 10 mins On. (Link/No link)
Power input 240V Ac
Relay contacts 240V Ac 10A Resistive, Normally open. Fused to 10A. Isolated from mains input.
Trigger input Opto Isolated 12V dc
The device is also be triggered when initially connected to the 240V mains supply, to give a one off timing, reset by switching off, or retriggered by the trigger input.
Housing Black plastic (ABS) box 105 X 73 X 50 mm
Specification
The module consists of a relay and timer circuit, with an adjustable off period.
Press button to trigger in the front of the box.
Extra buttons or key switches can be added for remote triggering.
The timer is adjustable from approximately :-1 sec to 10 mins
Power input :- 12V Dc from siren power supply
Housing :- Black plastic (ABS) box 105 X 73 X 50 mm