Temporarily unavailable. Yamato Scientific America has temporarily suspended sales of this model to comply with EPA and CARB refrigerant requirements.
Why order the DC401A from LabSupplies.com
Key Features
- −45°C cold trap: reaches minimum temperature in about 50 minutes from 20°C, with 0.6 L dehumidifying capacity.
- Contaminant-free venting: automatic safety vacuum venting prevents oil backflow on power-off or power failure.
- 12-port drying chamber: Dia. 195 × H303 mm chamber with 18.5 mm stopper ID, supplied with five 120 mL straight-joint dry flasks.
- Stainless steel trap: cylindrical trap (Dia. 153 × H235 mm) paired with a Pirani vacuum gauge for pressure monitoring.
- Layered safety devices: electric leakage breaker with overcurrent protection, refrigerator overload relay, back-flow prevention valve, and a safety valve linked to the vacuum-pump service receptacle.
Specifications
| Specification | Detail |
|---|---|
| Material | Glass |
| Capacity | 120 mL |
| Ports | 12 |
| Quantity per Set | 5 pcs |
| Compatible With | DC401 |
| Trap Cooling Temperature | -45°C |
| Time to Reach Minimum Temperature | 50 min (20°C to -45°C) |
| Dehumidifying Capacity | 0.6 L |
| Internal Capacity | ~4 L |
| Refrigeration System | Air cooling, 400 W |
| Refrigerant | R404A (300 g ±5 g) |
| Vacuum Gauge | Pirani vacuum gauge |
| Contaminant-Free System | Automatic safety vacuum venting prevents oil backflow on power-off or power failure |
| Trap Material / Shape | Cylinder, stainless steel |
| Trap Dimensions | Dia. 153 × H235 mm |
| Exhaust Port | Dia. 17 mm (vacuum pump connection) |
| Operating Ambient Temperature | 5°C to 30°C |
| Safety Devices | Electric leakage breaker with overcurrent protection, refrigerator overload relay, back-flow prevention valve, safety valve linked with vacuum-pump service receptacle |
| Drain | Vacuum hose with stopper |
| Mobility | Highly mobile on casters |
| External Dimensions (W×D×H) | 300 × 450 × 920 mm |
| Weight | ~60 kg |
| Country of Origin | Japan |
| Included Accessories | Vacuum silicone grease, vacuum hose |
| Drying Chamber | 12-port flask mounting chamber (Dia. 195 × H303 mm; stopper ID 18.5 mm) |
| Included Glassware | 5 × 120 mL dry flasks with straight glass joint and cap |
| Power Source | AC115V 12 A / AC220V 7 A (50/60 Hz) |
| Warranty | 1 year (Yamato Scientific America) |
| Service | Calibration and preventive maintenance on site by Yamato-certified technicians or at Yamato's California service center |
Ordering Information
| Catalog number |
|---|
| DC-401A |
| Manufacturer | Yamato Scientific |
| Manufacturer part number | DC-401A |
Documents & Downloads
More in This Series
- Yamato DC401B Freeze Dryer with 8-Port Manifold A
- Yamato DC401 Freeze Dryer, 4L (−45°C Refrigerated Cold Trap)
View all Laboratory Freeze Dryers →
Frequently Asked Questions
What trap temperature does the Yamato DC401 reach?
The DC401 cold trap reaches −45°C. It cools from 20°C to −45°C in about 50 minutes and offers a 0.6 L dehumidifying capacity.
What power supply does the DC401 require?
The DC401 runs on AC115V 12 A or AC220V 7 A at 50/60 Hz. Its air-cooled refrigeration system draws 400 W using R404A refrigerant.
What are the cold trap material and dimensions?
The cold trap is a stainless steel cylinder measuring Dia. 153 × H235 mm. A Dia. 17 mm exhaust port connects to the vacuum pump.
What safety devices does the Yamato DC401A have?
Yamato lists these safety devices for the DC401A: electric leakage breaker with overcurrent protection, refrigerator overload relay, back-flow prevention valve, safety valve linked with vacuum-pump service receptacle.
What refrigeration system does the Yamato DC401A use?
The Yamato DC401A uses air cooling, 400 W and R404A (300 g ±5 g) refrigerant.
