March 11, 2025Differential photoelectric sensorA sensor that uses two or more photodetectorsand uses the difference in light input response as the output signal.It can be used to detect the displacement ofthe beam ...view
February 24, 2025FirealarmAdevice that makes a bell or other alarm sound when a fire occurs. It isequipped with a heat sensor that automatically sounds a buzzer when thetemperature reaches a certain level, and a gas (...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
August 31, 2024Contact SensorThe sensor that converts themeasured value into an electrical signal by the sensitive element in the sensorthrough mechanical structure or direct contact with the measured object iscalle...view
August 6, 2024Catalytic Gas SensorsUses the change inresistance caused by the combustion of combustible gas on the contact surfaceof catalytic material to convert the sensed combustible gas concentration intoa usab...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