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
February 28, 2025Moisture SensorA sensor that convertssensed moisture into a usable output signal.The detection methodsinclude infrared absorption, microwave method and resistance method. Theinfrared method and microw...view
September 2, 2024Current SensorSensors that detect AC andDC currents. For example, a toroidal core is used to wind the primary andsecondary coils around the core. The primary current can be detected by thedetected sec...view
October 7, 2024HydrophoneAn acoustic-electric sensor that responds tounderwater sound waves and emits electric waves that are actually equivalent tosound waves. It is mainly used to detect the approach of submarines...view
September 12, 2024Density SensorsA device that uses vibration to directlydetect the density of a liquid. It is to set a vibrator in the liquid, or toplace the liquid inside the vibrator , and use the change of the natu...view
August 5, 2024Working principle of lightweight electricpower-assisted bicycle - rear axle hook sensorThe gray component in the figure is the "rear axle hook sensor",which is installed at the junction of the rear se...view