burglar alarm


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burglar alarm

[′bər·glər ə¦lärm]
(engineering)
An alarm in which interruption of electric current to a relay, caused, for example, by the breaking of a metallic tape placed at an entrance to a building, deenergizes the relay and causes the relay contacts to operate the alarm indicator. Also known as intrusion alarm.
References in periodicals archive ?
Advanced security systems do have burglar alarms. Market Research Future (MRFR) has published a research report about the global burglar alarm market that reckons boost for this market at 5.8% CAGR (Compound Annual Growth Rate) between 2018 and 2023.
Having a burglar alarm system is one good way to protect your family and home from intruders.
Last night, the Scottish Prison Service admitted they were planning to install a burglar alarms in the jail.
COLD callers have been targeting people asking for details of their burglar alarms.
After a burglary when police took an hour to arrive, Radio 2 DJ Sir Terry added a burglar alarm linked to police to the two already in his pounds 2m home at Taplow, Bucks.
POLICE are warning residents over signing up for "free" burglar alarms.
Judge Christopher Llewellyn-Jones QC said it was thanks to the woman passer-by and the burglar alarm that the break-in was stopped and nothing went missing.
And from time to time when the burglar alarm goes off at night it's Mr Newbury's job to get out of bed and check there isn't an intruder.
WEST LANCS: West Lancashire district council is offering a new burglar alarm service.
The burglar alarm job entailed following up leads and meeting people in their own homes to design and quote for a system to meet their needs.
An Oregon appeals court has ruled that the police search of a citizen's home in response to a false burglar alarm was illegal.
His friend, Stratton security chief, Eddie Rinaldi, installs a burglar alarm that leads to Nick killing an intruder.