false alarm

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false alarm

noun deception, fabrication, fake, false alert, false arrest, false danger signal, false notice, false notification, false signal, false warning, fraud, sham
See also: hoax
References in periodicals archive ?
The excessive number of nuisance alarms increased the risk of operators taking inappropriate action or of ignoring alarms that were generated by true security breaches.
In selecting a sensor technology or a specific product, a security manager should look at performance with regard to several criteria including the probability of detection (PD), the false alarm rate (FAR), the nuisance alarm rate (NAR), and vulnerability to defeat (VD).
This situation causes system fluctuations that lead to nuisance alarms.
A nuisance alarm is any sensor response to unintentional stimuli.
We are addressing a need which we have found in the industry for a low-cost solution that can also provide competent nuisance alarm rejection.
When properly installed, both sensors provide a high probability of detection, however, the nuisance alarm rate is higher than for the strain-sensitive cable sensor.
These detectors have wide application in the nuisance alarm prone environments found overseas.
Outdoor security is rife with causes of nuisance alarms.
Any interruptions to optimum processing are signaled for fast resolution without nuisance alarms.
Colour-coded icons let operators know the status of connected equipment at a glance, and any interruptions to optimum processing are clearly signaled for fast resolution with no nuisance alarms.
According to the NFPA, aging smoke alarms don't operate as efficiently and often are the source for nuisance alarms.
The highly accurate detection system ignores background objects, avoiding nuisance alarms.