Yamato DC401 – Laboratory Freeze Dryer with -45°C Cold Trap
The Yamato DC401 is a laboratory freeze dryer designed for vacuum freeze-drying applications, featuring a -45°C cold trap and 0.6 L dehumidifying capacity. It is suitable for sample preparation and preservation in biological, pharmaceutical, food and materials research.
Key Features
- Cold trap temperature: -45°C.
- Dehumidifying capacity: 0.6 L.
- Cylindrical stainless-steel trap with approximately 4 L capacity.
- Integrated Pirani vacuum gauge.
- Automatic safety vacuum venting helps prevent vacuum-pump oil backflow during power loss.
- Trap defrosting by Hot Gas Bypass System.
- Mobile design with casters for convenient laboratory use.
Typical Applications
- Freeze drying of biological samples.
- Lyophilization of pharmaceutical and research samples.
- Food and materials sample preparation.
- R&D and quality-control laboratories.
Key Specifications
| Model | DC401 |
| Cold trap temperature | -45°C |
| Dehumidifying capacity | 0.6 L |
| Trap capacity | Approx. 4 L |
| Trap material | Stainless steel |
| Vacuum gauge | Pirani |
| Trap defrost | Hot Gas Bypass |
| Trap dimensions | Ø153 × 235 mm |
| External dimensions | 300 × 450 × 720 mm |
| Power supply | AC115V / AC220V |
| Weight | 43 kg |
Frequently Asked Questions
What is the Yamato DC401 used for?
The Yamato DC401 is used for freeze drying biological, pharmaceutical, food and materials samples under vacuum at low temperature.
What is the cold trap temperature of the Yamato DC401?
The Yamato DC401 provides a -45°C cold trap with a dehumidifying capacity of 0.6 L.











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