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
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
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
September 4, 2024Whatis the principle of current sensor?The application of sensors is becoming moreand more extensive, and current sensor is a kind of sensor, which is mainlyused to realize the induction of current. T...view
August 31, 2024Leakage sensorA sensor that detectsthe current leaking due to poor insulation of electrical equipment. Groundammeters that detect the current by using the magnetic field generated by thecurrent by con...view