![]() ![]() Alternatively sensors may be wired or connect wirelessly to a box without a display or keypad, hidden away out of reach of burglars, so that it can't be tampered with.An alarm panel with an integrated display and keypad to which sensors are hardwired or linked by radio (known as wireless or radio frequency (RF) sensors).PIRs badly positioned and subject to nuisance trigger conditionsĪlarm systems for homes come in two different formats:.Tampers on some sensors are badly designed and may only barely close the tamper switch in the sensor when the lid is replaced.Tamper strips on junction boxes may be tarnished and causing bad connections.Rodents, birds, bats, spiders or other small animals may be triggering sensors, especially in lofts or outbuildings.A misaligned or incorrectly spaced magnet.Loop resistance resistance outside the specified limits.It also covers the various faults which occur in sensors resulting in nuisance activation of your alarm. This guide explains the basics of how alarms work and how sensors are wired. ![]()
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