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| Brand | Alphavita |
|---|---|
| Origin | Liaoning, China |
| Manufacturer Type | Authorized Distributor |
| Product Category | Domestic |
| Model | GDF-549H |
| Instrument Type | Upright Ultra-Low Temperature Freezer (–40 °C to –86 °C operational range) |
| Effective Volume | 504 L |
| Inner Dimensions (W×D×H) | 649 × 614 × 1262 mm |
| External Dimensions (W×D×H) | 793 × 770 × 1806 mm |
| Power Supply | 220 V AC, 50 Hz |
| Refrigerant | Hydrocarbon (R290/R170 blend) |
| Noise Level | ≤40 dB(A) |
| Insulation | VIP Vacuum Insulation Panels + High-Density Polyurethane Foam |
| Door Security | Dual-stage rotary latch with optional padlock interface |
| Power Failure Recovery | Auto-resume of setpoint and alarm status upon power restoration |
| Compliance | Designed per IEC 61000-4 (EMC), GB/T 20154–2014 (Chinese ULT freezer standard), compatible with GLP/GMP environmental monitoring requirements |
| Brand | Alphavita |
|---|---|
| Origin | Liaoning, China |
| Manufacturer Type | Authorized Distributor |
| Origin Category | Domestic |
| Model | GDF-529H |
| Instrument Type | Low-Temperature Freezer (≤ –40 °C) |
| Configuration | Upright |
| Effective Volume | 504 L |
| Inner Dimensions (W×D×H) | 649 × 614 × 1262 mm |
| External Dimensions (W×D×H) | 793 × 770 × 1806 mm |
| Power Supply | 220 V AC, 50 Hz |
| Rated Power Consumption | 147 W / 160 W |
| Refrigerant | Hydrocarbon (HC)-based |
| Noise Level | ≤ 40 dB(A) |
| Insulation | VIP Vacuum Insulation Panels |
| Temperature Range | –40 °C to –86 °C (standard operating range |
| Brand | Alphavita |
|---|---|
| Origin | Liaoning, China |
| Manufacturer Type | Authorized Distributor |
| Country of Origin | Domestic (China) |
| Model | GDF-U780VHE |
| Instrument Type | Upright |
| Effective Volume | 736 L |
| Inner Chamber Dimensions (W×D×H) | 890 × 600 × 1380 mm |
| External Dimensions (W×D×H) | 1030 × 875 × 1990 mm |
| Power Supply | 220 V AC, 50 Hz |
| Rated Power Consumption | 1200 W |
| Refrigeration Technology | Cascade System with Hydrocarbon Refrigerants |
| Door Configuration | Triple or Quadruple Internal Doors (Optional) |
| Insulation | Polyurethane Foam, ≥30 mm Thickness on Inner Door |
| Door Seals | Four-layer立体 (multi-plane) gasket system |
| Safety Features | Expansion tank, password-protected parameter settings, delayed start (0–30 min), external lockable handle |
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