374 / | HD | THERMAL MEASURING AND TESTING |
100 | DF | TEMPERATURE MEASUREMENT (E.G., THERMOMETER) {13} |
117 | ![]() | .~ By a vibratory effect (e.g., resonant frequency, acoustical) {2} |
118 | DF | .~.~> Resonant frequency by fluid flow |
119 | DF | .~.~> Vibration velocity (e.g., echo timing) |