| Model |
Voltage | Load current | Flow | Vacuum(absolute pressure) | relative degree of vacuum | |||
| (V DC) | (mA) | (L/min) | Three unit conversion value | |||||
| (KPa) | (mmHg) | (mbar) | (KPa) | |||||
| VML900.8 | 12 | 80 | 0.8 | 90 | 677 | 903 | ≈-10 | |
| VML801.5 | 12 | 110 | 1.5 | 80 | 602 | 802 | ≈-20 | |
| Comparison : the standard atmospheric pressure | 101 | 760 | 1013 | |||||