alarm detector

См. также в других словарях:

• Alarm — An alarm (French: À l arme To the arms ) gives an audible or visual warning of a problem or condition.Alarms include: * burglar alarms, designed to warn of burglaries; this is often a silent alarm: the police or guards are warned without… …   Wikipedia

• alarm — 1. noun 1) the girl spun round in alarm Syn: fear, anxiety, apprehension, distress, agitation, consternation, fright, panic 2) a fire alarm Syn: warning, danger signal, siren …   Synonyms and antonyms dictionary

• volume detector — alarm system that is activated by a change in volume …   English contemporary dictionary

• Smoke detector — A smoke detector is a device that detects smoke, typically as an indicator of fire. Commercial, industrial, and mass residential devices issue a signal to a fire alarm system, while household detectors, known as smoke alarms, generally issue a… …   Wikipedia

• Burglar alarm — Silent alarm redirects here. For the album, see Silent Alarm (album). Burglar (or intrusion), fire and safety alarms are all electronic today. Sensors are connected to a control unit via a low voltage hardwire or narrowband RF signal which is… …   Wikipedia

• Fire alarm control panel — A fire alarm control panel (FACP), also called a fire alarm panel. Technicians usually refer to the FACP as the panel. A fire alarm control panel is the central control device that receives information from input devices (smoke detectors, heat… …   Wikipedia

• Carbon monoxide detector — connected to a North American power outlet A carbon monoxide detector or CO detector is a device that detects the presence of the carbon monoxide (CO) gas in order to prevent carbon monoxide poisoning. CO is a colorless and odorless compound… …   Wikipedia

• Heat detector — A heat detector is a device that responds to changes in ambient temperature. Typically, if the ambient temperature rises above a predetermined threshold an alarm signal is triggered. In the case of sprinkler systems, water will be released to… …   Wikipedia

• Fire alarm system — An automatic fire alarm system is designed to detect the unwanted presence of fire by monitoring environmental changes associated with combustion. In general, a fire alarm system is either classified as automatic, manually activated, or both.… …   Wikipedia

• Fire alarm notification appliance — A Wheelock MT 24 LSM electronic fire alarm horn and strobe. A fire alarm notification appliance is an active fire protection component. A notification appliance may use audible, visible, or other stimuli to alert the occupants of a fire or other… …   Wikipedia

• Motion detector — A motion detector attached to a garage A motion detector is a device for motion detection. That is, it is a device that contains a physical mechanism or electronic sensor that quantifies motion that can be either integrated with or connected to… …   Wikipedia