October 18, 2024Fire alarm sensorA device that converts a physical quantitythat characterizes a fire alarm condition into another physical quantity.According to the nature of the working effect , it can usually be di...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
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
March 5, 2025Photosensitive fire sensorA sensor made using the photoelectric effect.Its main component is the ultraviolet light sensitive tube,which is used to detect the ultraviolet rays emitted in large quantiti...view
August 6, 2024Capacitive proximity sensorsA proximity sensor thatmaintains a certain distance from the object to be tested and can detectnon-contact. It can be used to detect small displacements by taking advantage...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