| 702 / | HD | DATA PROCESSING: MEASURING, CALIBRATING, OR TESTING |
| 127 | DF | MEASUREMENT SYSTEM {15} |
| 155 | DF | .~ Dimensional determination {6} |
| 158 | ![]() | .~.~ Linear distance or length {5} |
| 159 | DF | .~.~.~> By reflected signal (e.g., ultrasonic, light, laser) |
| 160 | DF | .~.~.~> Pedometer |
| 161 | DF | .~.~.~> Electronic ruler |
| 162 | DF | .~.~.~> Micrometer |
| 163 | DF | .~.~.~> By rotary encoding means {2} |