An anemometer is a device used to measure and detect the speed and direction of wind.
yes
Magic
A device that bounces laser beams off a reflector to detect fault movements is called a Laser-ranging device
A device that bounces laser beams off a reflector to detect fault movements is called a Laser-ranging device
Sonar
motion detector
A monitor.
A device used to detect any breach in the insulator, usually made out of rubber or some sort of plastic, in a wire. It basically checks for any part in the wire that might get you electrocuted.
The answer depends on what "IT" is and what sort of radiation it is meant to detect!
RADAR
Geiger counter.