September 15, 2024Depth SounderAn instrument used tomeasure the depth of the seabed. Its working principle is that the transmittertransmits a sound pulse to the seabed, and the sound pulse is reflected by theseabed and...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
March 17, 2025Drift Measuring InstrumentAn instrument used tomeasure the drift of a vessel or drifting object on the water relative to thegeographical location of a selected reference point due to wind direction,cu...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
July 15, 2024Capacitive pressuresensorsetting a movableelectrode on a pressure plate such as a diaphragm and detecting the pressurethrough the capacitance between the object to be detected and the fixedelectrode. ...view
July 13, 2024Buoyancy level gaugeLiquid level gauges that usethe buoyancy of liquid to detect liquid levels are mainly used to detect theliquid level in water tanks. Buoyancy-type liquid level gauges includefloat-...view