September 23, 2024Dust sensorA device that detects the amount of floatingfine dust or condensation. Optical dust sensors have side scattered light modeand near-infrared forward scattered light mode. The working princip...view
September 18, 2024Motion detectorA sensor that can sensethe displacement of the measured object and convert it into a usable outputsignal. The displacement sensors used in industrial testing instruments mainlyinclude m...view
July 12, 2024Minimum resistance value1. The zero-power resistance value of the lowest point on the resistance-temperature characteristic curve of a positive temperature coefficient thermistor (PTC thermistor).2. T...view
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
October 6, 2024Hall Pressure SensorA sensor that uses the Hall effect of certainmaterials to convert the sensed pressure into a usable output signal. Forexample, under the action of pressure, the Hall device fixed o...view
August 27, 2024Coin sensorSensors used in vendingmachines to identify coin types. They identify coins based on their diameter,weight, whether they have a hole in the center, and patterns. Sensors thatanalyze the com...view