| Menu | Description |
|---|---|
| Automatic autocalibration | To turn the feature on, press On. To turn the feature off, press Off. |
| Automatic purge | To turn the feature on, press On. To turn the feature off, press Off. |
| Molecular weight |
The ppmw M setting is used to give the molecular weight of the measured gas. This value is required in ppmw (weight) calculation. The default values are 28.96 for DMP74A/B (air) and 146.06 for DMP74C (SF6). |
| Purge interval | The time interval at which the automatic sensor purge is performed: can be selected between 1 ... 48 hours. For instructions, see Changing automatic sensor purge interval. |