| 324 / | HD | ELECTRICITY: MEASURING AND TESTING |
| 200 | DF | MAGNETIC {24} |
| 207.11 | DF | .~ Displacement {7} |
| 207.13 | DF | .~.~ Having particular sensor means {4} |
| 207.15 | DF | .~.~.~ Inductive {1} |
| 207.16 | ![]() | .~.~.~.~ Electrically energized {3} |
| 207.17 | DF | .~.~.~.~.~> Separate pick-up |
| 207.18 | DF | .~.~.~.~.~> Differential type (e.g., LVDT) |
| 207.19 | DF | .~.~.~.~.~> Differential bridge circuit |