| 374 / | HD | THERMAL MEASURING AND TESTING |
| 100 | DF | TEMPERATURE MEASUREMENT (E.G., THERMOMETER) {13} |
| 163 | DF | .~ By electrical or magnetic heat sensor {13} |
| 179 | DF | .~.~ By thermoelectric potential generator (e.g., thermocouple) {3} |
| 182 | ![]() | .~.~.~ Reference junction temperature control |