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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 |
| Brand | Alphavita |
|---|---|
| Origin | Liaoning, China |
| Model | MPR-441FHI |
| Refrigerator Compartment Temperature Range | 2°C to 8°C |
| Freezer Compartment Temperature Range | −20°C to −40°C |
| Refrigerator Net Volume | 218 L |
| Freezer Net Volume | 226 L |
| Overall External Dimensions (W×D×H) | 793 × 770 × 1806 mm |
| Refrigerator Internal Dimensions (W×D×H) | 649 × 566 × 600 mm |
| Freezer Internal Dimensions (W×D×H) | 649 × 614 × 600 mm |
| Rated Input Power | 320 W |
| Net Weight | 175 kg |
| Refrigerants | R600a (refrigerator), R290 (freezer) |
| Temperature Uniformity (refrigerator) | ±1.5°C |
| Control System | Microprocessor-based with real-time compressor status display |
| Data Logging Capacity | 100,000 entries via USB interface |
| Alarm Types | High/Low temperature, door open, power failure, compressor protection, sensor fault, battery life, condenser fan life |
| Brand | Alphavita |
|---|---|
| Origin | Liaoning, China |
| Model | MPR-712HI |
| Refrigeration Temperature Range | 2–8°C |
| Effective Volume | 732 L |
| Internal Dimensions | 1120 × 523 × 1375 mm |
| External Dimensions | 1200 × 668 × 1950 mm |
| Refrigerant | R290 (hydrocarbon) |
| Cooling Rate Improvement | 20% vs. fixed-speed baseline |
| Temperature Uniformity | ≤3°C |
| Compressor Type | Inverter-driven, imported unit |
| Door Type | Double-glazed with heat-reflective film |
| Control System | Microprocessor-based non-volatile controller with real-time compressor status display |
| Defrost Method | Intelligent cyclic defrost |
| Data Logging | Up to 100,000 records via USB export |
| Power Consumption Reduction | 67% vs. comparable conventional units |
| Noise Level Reduction | 20% vs. conventional units |
| Brand | METTLER TOLEDO |
|---|---|
| Origin | Switzerland |
| Model | FE30 |
| Temperature Range | 0.0–100.0 °C |
| Temperature Resolution | 0.1 °C |
| Temperature Accuracy | ±0.3 °C |
| Conductivity Range | 0.00 µS/cm to 199.9 mS/cm |
| TDS Range | 0.00 mg/L to 199.9 g/L |
| Conductivity Accuracy | ±0.5% of reading |
| Display | LCD |
| Power Supply | External AC adapter |
| Operating Environment | 5–40 °C, 5–80% RH |
| Compliance | Designed for GLP-compliant workflows |
| Brand | SKC |
|---|---|
| Origin | USA |
| Manufacturer Type | Authorized Distributor |
| Origin Category | Imported |
| Model | DPS-PM2.5 |
| Pricing | Contact for Quote |
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