Coal thickness gauge using rras techniques, part 1... The feasibility of using the radiofrequency resonance absorption (RRAS) techniques of electron magnetic resonance (EMR) and nuclear magnetic resonance (NMR) as the basis of a coal thickness gauge is discussed....
Measuring thickness of object with ultrasonic thickness gaugeIn this paper, the ultrasonic thickness gauge by the pulse-reflective principle of the steel pipe, the thickness of steel plate, glass and glass were measured and analyzed, and other factors in thickness measurement...
Design and implementation of high precision online thickness gauge by laser displacement sensor... The traditional thickness instruments have X-ray thickness gauge and ultrasonic thickness meter while the X-ray thickness gauge has radiation which is harmful to human body and ultrasonic thickness has a lower precision....
Calibration method study of ultrasonic thickness gaugeSince the invention of ultrasonic examination technology, the ultrasonic thickness gauge has been widely used and playing an important role in many field, such as service inspection of pipeline and pressure vessel, in the quality control of massive...