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 11, 2024Hydroacoustic directorAn instrument fordetermining the direction of a sound source in water. It has two or morereceivers placed in different locations. The receivers amplify the receivedsound signals ...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
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
November 5, 2024Ion Fire SensorThe device is made based onthe flame conductivity effect and is used to detect the flame condition in theenvironment. It is a fire-resistant metal tube mounted on an insulator.Generally...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