Product Advantages
Temperature control system
Microprocessor-controlled digital display with adjustable internal temperature range from -10°C to -25°C
High/low temperature alarm control: Alarm temperature can modified
Safety control system
Essential alarms: High temperature alarm, low temperature alarm, sensor fault alarm
Audible and visual alarm
Start-up delay protection and downtime (power-off interval) protection to safeguard system components and ensure stable operation
Refrigeration system
High-quality compressor with rapid refrigeration
Utilizes high-density, super-microcellular foaming insulation to ensure excellent thermal retention and minimize energy loss
CFC-free foaming agent
Forced refrigeration and freezing function
Optimized evaporation and condensation system powerful refrigeration
User-Friendly Design
Door lock to prevent unauthorized access
Wide operational voltage range
High-quality aluminum-lined drainage hole designed at the base for easy cleaning
Basket provided as required
Wide operating ambient temperature range: 10°C~32°C
Built-in service for convenient sensor access
产品参数
| 模型 | DW-25W147 | DW-25W203 | DW-25W389 | DW-25W525 | |||
| Technical Data | Cabinet Type | Horizontal | Horizontal | Horizontal | Horizontal | ||
| Climate Class | SN | SN | SN | SN | |||
| Cooling Type | Direct Cooling | Direct Cooling | Direct Cooling | Direct Cooling | |||
| Defrost Mode | Manual | Manual | Manual | Manual | |||
| Refrigerant | HC | HC | HC | HC | |||
| Sound Level (dBA) | 41.2 | 41.8 | 42.2 | 44.8 | |||
| Performance | Cooling Performance (°C) | -25 | -25 | -25 | -25 | ||
| Temperature Range (°C) | -10~-25 | -10~-25 | -10~-25 | -10~-25 | |||
| Control | Controller | Microprocessor | Microprocessor | Microprocessor | Microprocessor | ||
| Display | LCD | LCD | LCD | LCD | |||
| Electrical Data | Power Supply (V/Hz) | ~220/50 | ~220/50 | ~220/50 | ~220/50 | ||
| Power (W) | 120 | 125 | 220 | 450 | |||
| Electrical Current (A) | 1.1 | 1.2 | 1.6 | 3.4 | |||
| Dimensions | Capacity (L/Cu. Ft) | 147/5.1 | 203/7.2 | 389/13.7 | 525/18.54 | ||
| Net/Gross Weight (approx) | (kg) | 34.5/38.5 | 41/45.5 | 57/68 | 85/99 | ||
| (lbs) | 76.1/84.9 | 90.4/100.3 | 125.7/149.9 | 187.4/218.3 | |||
| Interior Dimension (W×D×H) | (mm) | 599×389×677 | 818×383×679 | 1155×510×727 | 1686×494×695 | ||
| (in) | 23.6×15.3×26.7 | 32.2×15.1×26.7 | 45.5×20.1×28.6 | 66.4×19.5×27.4 | |||
| Exterior Dimension (W×D×H) | (mm) | 739×564×837 | 964×564×837 | 1309×705×874 | 1843×689×848 | ||
| (in) | 29.1×22.2×33.0 | 38.0×22.2×33.0 | 51.5×27.8×34.4 | 72.6×27.1×33.4 | |||
| Packing Dimension (W×D×H) | (mm) | 790×595×880 | 1015×600×905 | 1385×777×951 | 1920×777×930 | ||
| (in) | 31.1×23.4×34.6 | 40.0×23.6×35.6 | 54.5×30.6×37.4 | 75.6×30.6×36.6 | |||
| 20GP/40GP/40HQ | 42/90/90 | 38/80/80 | 24/46/50 | 14/30/36 | |||
| Alarms | High/Low Temperature | Y | Y | Y | Y | ||
| Sensor Error Alarm | Y | Y | Y | Y | |||
| Accessories | Storage Type/Quantity | Basket/1 | Basket/1 | Basket/1 | Basket/3 | ||
| Others | Certifications | N | N | N | N | ||
| Operational Performance | Temperature Setting Mode | Digital (Accuracy ±1°C) | Digital (Accuracy ±1°C) | Digital (Accuracy ±1°C) | Digital (Accuracy ±1°C) | ||
| Temperature Sensor | Thermistor | Thermistor | Thermistor | Thermistor | |||
| Power Consumption (kWh/24h) | 1.1 | 1.1 | 2.2 | 3 | |||
| Material | Exterior Material | Powder Coated Cold Rolled Steel | Powder Coated Cold Rolled Steel | Powder Coated Cold Rolled Steel | Powder Coated Cold Rolled Steel | ||
| Interior Material | Embossed aluminum plate | Embossed aluminum plate | Embossed aluminum plate | Embossed aluminum plate | |||
| Insulation | Cyclopentane Foaming Agent | Cyclopentane Foaming Agent | Cyclopentane Foaming Agent | Cyclopentane Foaming Agent | |||
| 模型 | DW-25W147 | DW-25W203 | DW-25W389 | DW-25W525 | ||
| Material & Build | External Door/Quantity | Foam door/1 | Foam door/1 | Foam door/1 | Foam door/2 | |
| Sealing Strip Quantity | 1 | 1 | 1 | 1 | ||
| Padlock Latch | N | N | N | N | ||
| Door Lock/Quantity | Y/1 | Y/1 | Y/1 | Y/1 | ||
| Inner Door | N | N | N | N | ||
| 产品 Accessories | Storage Type | Immersion basket | Immersion basket | Immersion basket | Immersion basket | |
| Adjustable Shelves | N | N | N | N | ||
| Basket Quantity | 1 | 1 | 1 | 3 | ||
| Storage Basket | Y | Y | Y | Y | ||
| Drawers Material/Quantity | Basket/1 | Basket/1 | Basket/1 | Basket/3 | ||
| Compressor Type | NFG70NA | NFG70NA | NFG70NA | NFG70NA | ||
| Compressor Brand | Huayi | Huayi | Huayi | Huayi | ||
| Compressor Power (W) | 220 | 220 | 220 | 220 | ||
| Compressor Quantity | 1 | 1 | 1 | 1 | ||
| Refrigerant Model | R290 | R290 | R290 | R290 | ||
| Function Parameters | Alarm System | Y | Y | Y | Y | |
| Temperature Alarm | N | N | N | N | ||
| Filter Dirty Alarm | N | N | N | N | ||
| Excess Voltage Alarm | N | N | N | N | ||
| Boot Delay Protection | Y | Y | Y | Y | ||
| Password Protection | Y | Y | Y | Y | ||
| Evaporator | Type | Evaporator coils | Evaporator coils | Evaporator coils | Evaporator coils | |
| Material | Single layer galvanized pipe | Single layer galvanized pipe | Single layer galvanized pipe | Single layer galvanized pipe | ||
| Condenser | Type (Forced Cooling) | Steel Wire Coil | Inner condenser coil | External condenser | External condenser | |
| Material (Forced Cooling) | Single layer galvanized welded pipe | Single layer galvanized welded pipe | Tube electrophoresis condenser | Tube electrophoresis condenser | ||
| External Fan | N | N | N | N | ||
| Internal Temperature Uniformity | ≤3 | ≤3 | ≤3 | ≤3 | ||
| Internal Temperature Accuracy | ±1 | ±1 | ±1 | ±1 | ||
| Cooling Speed (Mins): From ambient 25°C to -25°C | ≤180 | ≤180 | ≤180 | ≤180 | ||
| 模型 | DW-25W147 | DW-25W203 | DW-25W389 | DW-25W525 | ||
| Others | Building Supply Rating (A) | 10 | 10 | 10 | 10 | |
| Power Lead Length (m) | 2.5 | 2.5 | 2.5 | 2.5 | ||
| Heat Transfer Rate (BTU/hr) | 195 | 195 | 298 | 432 | ||
| Ambient Temperature (°C) | 10~32 | 10~32 | 10~32 | 10~32 | ||
| Compressor Capacity (W) | 120 | 120 | 179 | 269 | ||
| Refrigerant Type/Flammable | R290/Flammable | R290/Flammable | R290/Flammable | R290/Flammable | ||
| Controller Position | Top | Top | Top | Top | ||
| Reset overcurrent protector/ Power Switch | N | N | N | N | ||
| Controller Type | Microprocessor | Microprocessor | Microprocessor | Microprocessor | ||
| Setpoint Lock | N | N | N | N | ||
| Controller Sensor | NTC | NTC | NTC | NTC | ||
| Remote Alarm Terminals | N | N | N | N | ||
| Adjustable High/Low Temp Alarms | Y | Y | Y | Y | ||
| Auto Voltage Safeguard | N | N | N | N | ||
| Door Thickness (mm) | 42.5 | 42.5 | 46 | 46 | ||
| Cabinet Thickness (mm) | 68 | 71 | 70 | 70 | ||
| Fan Brand | N/A | N/A | N/A | N/A | ||
| Static Feet/Caster Wheels/Quantity | Feet/2/Wheels/2 | Feet/2/Wheels/2 | Fixed Wheels/2 Directional Wheels/2 | Wheels/6 | ||
| Condenser Type | Steel wire-on-tube | Steel wire-on-tube | Steel wire-on-tube | Steel wire-on-tube | ||
| Internal Fan Brand | N/A | N/A | N/A | N/A | ||
| Alarm Battery | N | N | N | N | ||
| Temperature Uniformity (°C) | ≤3 | ≤3 | ≤3 | ≤3 | ||
| Temperature Accuracy (°C) | 1 | 1 | 1 | 1 | ||

-25°C Biomedical Freezer-DW-25W147 203 389 525 PDF