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 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
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
September 14, 2024Depth SensorA sensor used to detect thedepth of seas and lakes. Ultrasonic waves are emitted from the ship to thebottom of the water , and the water depth is calculated by the time required toreceive ...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
October 14, 2024Fire infrared detectorA sensitive element in afire detector that can convert the infrared radiation of a flame into an alarmsignal output by an infrared detector. When a target in the detector's field...view