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| Model no : | DZ-300 | DZ-400 | DZ-420T |
| Chamber size: | 390x295x50mm | 420x435x70mm | 4480x470x105mm |
| Sealing size: | 260x10mm | 400x13mm | 420x13mm |
| Voltage: | 220/50 60Hz | 220/50 60Hz | 220/50 60Hz |
| Dimension: | 495x340x375mm | 540x490x560mmm | 540x512x529mmm |
| Weight: | 40kg | 84kg | 76kg |
| Vacuum pump of capacity : | 8m3/per hour | 20m3/per hour | 20m3/per hour |
| Consume of voltage : | 700w | 2900w | 2900w |
| Motor of voltage : | 370w | 0.75kw | 0.75kw |
| Input current: | 2.6A | 7.6A | 7.6A |