| 73 / | HD | MEASURING AND TESTING |
| 861 | DF | VOLUME OR RATE OF FLOW {23} |
| 861.351 | DF | .~ Mass flow by imparting angular or transverse momentum to the fluid {3} |
| 861.354 | DF | .~.~ Coriolis or gyroscopic {1} |
| 861.355 | DF | .~.~.~ Vibrated conduit {2} |
| 861.356 | ![]() | .~.~.~.~ Signal processing or analysis details |