Photoelectric and contact measurement: DT-2236A can achieve two different measurement methods, including photoelectric and contact measurement. Optoelectronic measurements are often used for non-contact measurements, such as measuring the rotational speed of fans or wheels. Contact measurement involves placing the instrument's sensing head in direct contact with the rotating part to perform the measurement.
The tachometer is one of the necessary instruments in the machinery industry, used to measure the rotation speed, linear speed or frequency of the motor. Commonly used in motors, electric fans, papermaking, plastics, chemical fibers, washing machines, automobiles, airplanes, ships and other manufacturing industries. Most commonly used are hand-held centrifugal tachometers. Tachometer measurement is essential in all fields of the national economy.
