February 10, 2025GaugePressure SensorA pressure sensor that detects gauge pressure. The surface tobe detected of the diaphragm or diaphragm box of the pressure-bearing elementis open to atmospheric pressure, and the d...view
February 25, 2025Oil film sensorThe sensor detects the oilfilm formed on the water surface due to oil outflow. The principles ofdetecting the oil film on the water surface include using the change of lightreflectivity...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
October 12, 2024Infrared DetectorsA device that is sensitive to infraredradiation and can convert infrared radiation into electrical energy or otherphysical quantities that are easy to measure. The spectral character...view
July 15, 2024Calorimeterbased on chemical changes, biological reactions, and physical phenomena . Temperature sensors are mostly Beckmann thermometers, thermistors, platinum temperature resistors, and thermocouple...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