November 11, 2024Magnetic sensorThere are many kinds of magnetic sensors made by usingvarious physical phenomena. The magnetic needle is an early magnetic sensorused by the compass to detect the direction. In recent y...view
February 8, 2025Metal detectorA measuring device used to automatically check anddetect metal objects mixed in non-metals. Electromagnetic induction isgenerally used for metal detection. The instrument usually include...view
October 8, 2024Image SensorIn the infrared system, an infrared detectorwith transverse photon effect is used. The radiation energy falls on differentpositions of the detector to produce different signals. This syste...view
October 11, 2024Hydroacoustic directorAn instrument fordetermining the direction of a sound source in water. It has two or morereceivers placed in different locations. The receivers amplify the receivedsound signals ...view
October 26, 2024Knock sensorAlso called a vibrationsensor. The combustion of an internal combustion engine increases thecompression ratio, which causes explosive abnormal combustion during ignition.A sound like a ham...view
July 13, 2024Buoyancy level gaugeLiquid level gauges that usethe buoyancy of liquid to detect liquid levels are mainly used to detect theliquid level in water tanks. Buoyancy-type liquid level gauges includefloat-...view