| 324 / | HD | ELECTRICITY: MEASURING AND TESTING |
| 76.11 | DF | MEASURING, TESTING, OR SENSING ELECTRICITY, PER SE {46} |
| 154 R | ![]() | .~ With rotor (e.g., filar suspension, zero set, balancing) {2} |
| 155 | DF | .~.~> With pivot (e.g., internal friction compensation, anticreep) |
| 154 PB | DF | .~.~> Pointer and bearing details |