A device for detecting smoke, fire or any other hazardous condition” or “a device for detecting the presence of metal, contraband or other things which may be concealed or hidden”.
Any device that receives a signal or stimulus (as heat or pressure or light or motion etc.) and responds to it in a distinctive way”.
A device that measures a physical quantity and converts it into a signal that can be read by an observer or by a tool.
Detectors are a part of our everyday lives. From detecting dangerous levels of poisonous gasses, to alerting us to the beginnings of a flame, sensors save our own lives and help us live the lifestyle we like without needing to give too much stress or thought to the risks involved, for we all know, that the nimble sensor will let us know if something goes wrong. To know more about heat detector you can also browse CAK Engineer Co., Ltd.
What sorts of sensors are there and what are they used for?
There are various kinds of detectors. Here are Some of the most common ones:
Lie detector – A lie detector is used in determining whether the individual whom the unit is being used on is lying or telling the truth.
Smoke sensor – A smoke detector is used in warning people of a construction quantity of smoke, which might indicate that a fire has started.
Fire detector – A fire sensor helps saves lives by alerting those nearby into a fire which might have otherwise gone undetected.
Metal detector – Metal detectors are generally used by security personnel for scanning luggage and individuals for potential harmful metallic objects which could be on their person, or stored away.
Heat sensor – A heating sensor alerts you if the temperature levels around it have grown beyond the preset accepted degree.