Cold Chain, -40°C Deep Freezer

变频低能耗碳氢制冷 DW-40L276

Widely used in electronic and chemical laboratories, hospitals, blood banks, scientific research institutions, and disease control centers for low-temperature testing of electronic components and special materials, as well as the storage of plasma, biological samples, vaccines, and other temperature-sensitive materials

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导言
Product Advantages

Precise Temperature Control
Microprocessor controlled system allows temperature control accuracy up to ±0.1°C, adjustable internal temperature ranging from -20 ° C to -40 ° C with uniform temperature distribution
Safety
Various essential alarms: High/low temperature alarm, sensor error alarm, power failure alarm
Thermal Insulation
Thick insulation layer with advanced microcellular foaming technology ensures excellent thermal retention
Refrigeration
Environmentally friendly CFC-free refrigerant with forced cooling
User-Friendly Design
Drawer design for easy handling
With door lock to prevent unauthorized access
Pressure balancing valve for reduced effort to open chamber
Caster wheels with locks

产品参数

模型DW-40L276
Technical DataCabinet TypeUpright
Climate ClassSN
冷却方式Direct Cooling
Defrost ModeManual
RefrigerantHC
Sound Level (dBA)48.9 
PerformanceTemperature Range (°C)-20~-40
ControlControllerMicroprocessor
DisplayLED
Electrical DataPower Supply (V/Hz)~220/50
Power (W)550 
Electrical Current (A)/
DimensionsCapacity (L/Cu.Ft)276/9.75
Net/Gross Weight (approx)(kg)106/125
(lbs)233.7/275.6
Interior Dimension (W×D×H)(mm)509×505×1205
(in)20.0×19.9×47.4
Exterior Dimension (W×D×H)(mm)717×710×1745
(in)28.2×28.0×68.7
Packing Dimension (W×D×H)(mm)790×811×1928
(in)31.1×31.9×75.9
20GP/40GP/40HQ14/30/30
AlarmsHigh/Low TemperatureY
Remote AlarmY
Power FailureY
Sensor ErrorY
Low BatteryY
High Ambient TemperatureN
Door AjarY
AccessoriesCaster WheelsY
Static FootY
Service Port/QuantityY
Drawers/Inner Doors00/4
USB InterfaceN
Temperature RecorderN
OtherCertifications
Operational
Performance
Temperature Setting  ModeDigital (Accuracy ±1°C)
Temperature SensorThermistor
Power Consumption (kWh/24h)5.8 
模型DW-40L276
MaterialExterior MaterialSPCC powder coated cold rolled steel
Interior MaterialPolystyrene Plate
InsulationCyclopentane Foaming Agent
External Door/QuantityFoam door/1
Sealing StripTwo Sealing Strips
External Door Sealing Type/
Quantity
Foam Rubber/1
Padlock Latch/QuantityN
Built-in Key Door Lock/QuantityY/1
Inner DoorN
产品
Accessories
Shelves TypeImmersion basket
Adjustable ShelvesN
Shelves DimensionN/A
Shelves QuantityN/A
Storage Basket4 
Static FeetY/2
Drawers Material/QuantityImmersion basket/4
Compressor
Data
Compressor TypeNUT140NA
BrandHUAYI
Compressor Power (W)163 
Compressor Quantity1 
Refrigerant TypeR290
Function
Parameters
Alarm SystemY
Temperature AlarmY
Filter Dirty AlarmN
Excess Voltage AlarmN
Boot Delay ProtectionY
Display Screen Password
Protection
Y
EvaporatorTypeWire tube evaporator
MaterialElectrophoretically coated fin-tube
CondenserType (Forced Cooling)Tube-and-Shell condenser
Material (Forced Cooling)Electrophoretically coated fin-tube
Outside FanEBM
Internal Temperature Uniformity≤4
Internal Temperature Accuracy±1
模型DW-40L276
CondenserCooling Speed (mins):
(From ambient 25°Cto -40°C)
≤300
Holdovertime (mins):
(From -40°Cto -20°C @ ambient 25°C)
80~240
Backup Battery/Battery Life (hrs)Y/72
OthersBuilding Supply Rating (A)10 
Power cable Length (m)2.5 
Heat Transfer Rate (BTU/hr)413 
Operating Ambient Temperature (°C)10°C~32°C
Compressor Capacity (W)250 
Controller PositionTop
Controller TypeMicroprocessor
Setpoint LockY
Controller SensorNTC
Remote Alarm TerminalY
Adjustable High/Low Temp AlarmsY
Automatic Voltage ProtectionN
Shelves MaterialN/A
Door Thickness (mm)65 
Wall Thickness (mm)97 
External Fan BrandEBM
Caster WheelsN
Condenser TypeWire tube condenser
Internal Fan BrandN/A
Alarm BatteryN
Temperature Uniformity (°C)≤4
Temperature Accuracy (°C)1°C
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