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
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 14, 2025Photovoltaic SensorsPhotovoltaic sensors aresensors that utilize the photovoltaic effect. The limit of the detectionsensitivity of a light sensor is determined by the signal-to-noise ratio. Fromthis p...view
August 29, 2024Tactile SensorA robot sensor thatdetects the contact state of a finger or skin and acts as a detection switch.It uses micro switches, sponge-like electrodes that touch each other,conductive rubber, ca...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
February 7, 2025Microwave SensorMicrowave sensors are divided into microwave active sensorsand microwave passive sensors. The former is a device that sends microwaves tothe object to be tested, and uses the microwave...view