Yamato DC401 Pirani Vacuum Gauge Freeze Dryer is a compact, reliable cold trap system designed for high-efficiency sample drying with enhanced safety features. Whether you need to prevent oil backflow or monitor vacuum conditions accurately, the DC401 ensures consistent performance in demanding lab environments.
Available in two configurations:
- Models: DC401-115V, DC401-220V
Ideal for labs requiring contaminant-free drying with precise vacuum control, this freeze dryer is highly mobile and equipped with eco-conscious refrigeration technology.
Key Features:
- Contaminant-free operation with stainless steel cold trap vessel
- Automatic vacuum venting system prevents oil backflow during shutdown or power loss
- Hot Gas Bypass System allows smooth refreezing and easy removal of ice
- Integrated Pirani vacuum gauge for accurate pressure readings
- Linked safety valve and service receptacle for vacuum pump
- Eco-friendly R404A refrigerant system
- Compact, mobile design with built-in caster wheels
Specifications
Performance:
- Trap Cooling Temperature: -45°C
- Time to Reach Minimum Temperature: Approx. 50 minutes (from 20°C to -45°C)
- Dehumidification Capacity: 0.6L
- Defrost Method: Hot Gas Bypass
- Refrigeration: Air cooling type, 400W, R404A refrigerant (300g ±5g)
Construction & Design:
- Bath Shape & Material: Cylindrical stainless steel vessel
- Trap Dimensions: Ø153 × H235 mm
- Internal Capacity: ~4L
- External Dimensions (W×D×H): 300 × 450 × 920 mm
- Weight: ~60kg
Safety Features:
- Electric leakage breaker with overcurrent protection
- Refrigerator overload relay
- Vacuum backflow prevention valve
Vacuum System:
- Vacuum Gauge: Pirani-type vacuum sensor
- Exhaust Port: ø17 mm for vacuum pump connection
- Drain: Vacuum hose with stopper
Power Supply:
- AC115V, 12A (DC401-115V)
- AC220V, 7A (DC401-220V)
- Frequency: 50/60 Hz
Included Accessories
- Vacuum silicone grease
- Vacuum hose: φ12 × φ30 × 1.5m
Why Choose the Yamato DC401?
- Designed for reliability and safety in vacuum drying applications
- Accurate pressure monitoring with built-in Pirani gauge
- Safe shutdown protection with vacuum venting system
- Compact and mobile for easy integration into any lab
- Eco-friendly refrigeration and energy-efficient operation
- 1-Year Manufacturer Warranty
- Backed by 40+ years of lab equipment expertise