NW-DWFL439 is an ultra low temp laboratory deep freezer that offers a storage capacity of 439 liters in a low temperature range from -20℃ to -40℃, it’s an upright medical freezer that is suitable for freestanding placement. This ultra low temperature freezer includes a premium compressor, which is compatible with high-efficiency R507 refrigerant and helps reduce energy consumption and improve refrigeration performance. The interior temperatures are controlled by an intelligent micro-precessor, and it’s clearly displayed on a high-definition digital screen with accuracy at 0.1℃, allows you to monitor and set the temperature to fit the proper storage condition. This ultra deep freezer has an audible and visible alarm system to warn you when storage condition is out of abnormal temperature, the sensor fails to work, and other errors and exceptions may occur, greatly protect your stored materials from spoilage. The front door is made of stainless steel plate with a polyurethane foam layer that features perfect thermal insulation. With these benefits above, this unit a perfect refrigeration solution for hospitals, pharmaceutical manufacturers, research laboratories to store their medicines, vaccines, specimens, and some special materials with temperature-sensitive.
The external of this ultra low temp freezer is made of premium stainless steel finished with powder coating, the interior is made of aluminum plate. The front door has a recessed handle for preventing damage during transportation and movement.
This low temp freezer has a premium compressor and condenser, which have features of high-performance refrigeration and the temperatures are kept constant within a tolerance of 0.1℃. Its direct-cooling system has a manual-defrost feature. The R600a refrigerant is environmentally friendly to help improve working efficiency and reduce energy consumption.
The storage temperature of this ultra deep freezer is adjustable by a high-precision and user-friendly digital micro-processor, it’s a type of automatic temperature control module, the temp. range is between -20℃~-40℃. A piece of digital screen that works with built-in and high-sensitive temperature sensors to display the interior temperature with a precision of 0.1℃.
This ultra low temp freezer has an audible and visual alarm device, it works with a built-in sensor to detect the interior temperature. This system will alarm when the temperature goes high or low abnormally, the door has left open, the sensor doesn’t work, and the power is off, or other problems would occur. This system also comes with a device to delay turn-on and prevent interval, which can ensure working reliability. The door has a lock for preventing unwanted access.
The front door of this ultra deep freezer has a lock and a recessed handle, the solid door panel is made of stainless steel plate with polyurethane central layer, which features excellent thermal insulation.
The interior sections are separated by heavy-duty shelves, and each deck holds a drawer for classified storage and easy push-and-pull, it is made of durable ABS plastic material which is easy to operate and convenient to clean.
This ultra low temp laboratory deep freezer is used for the storage of blood plasma, reagents, specimens, and so on. It’s an excellent solution for blood banks, hospitals, research laboratories, disease prevention & control centers, epidemic stations, etc.
Model | NW-DWFL439 |
Capacity(L) | 439 |
Internal Size(W*D*H)mm | 650*560*1305 |
External Size(W*D*H)mm | 910*755*1945 |
Package Size(W*D*H)mm | 1030*890*2091 |
NW/GW(Kgs) | 175/200 |
Performance | |
Temperature Range | -20~-40℃ |
Ambient Temperature | 16-32℃ |
Cooling Performance | -40℃ |
Climate Class | N |
Controller | Microprocessor |
Display | Digital display |
Refrigeration | |
Compressor | 1pc |
Cooling Method | Direct Cooling |
Defrost Mode | Manual |
Refrigerant | R507 |
Insulation Thickness(mm) | 100 |
Construction | |
External Material | Carbon steel spraying |
Inner Material | Stainless steel |
Shelves | 14(ABS) |
Door Lock with Key | Yes |
External Lock | Yes |
Access Port | 1pc. Ø 25 mm |
Casters | 4(2 caster with brake) |
Data Logging/Interval/Recording Time | USB/Record every 10 minute / 2 years |
Backup Battery | Yes |
Alarm | |
Temperature | High/Low temperature,High ambient temperature |
Electrical | Power failure,,Low battery |
System | Sensor error, USB datalog failure,Main board communication error, Communicationfailure,Door ajar |
Electrical | |
Power Supply(V/HZ) | 220/50 |
Rated Current(A) | 3.51 |
Options Accessory | |
System | Printer,RS485 |