Applications
-40°C medical deep freezers are designed to store vaccines, blood plasma, reagent and many other biological materials which is widely use in research institution, clinics, electronic and medical fields.

Features
- Accurate microprocessor controller to ensure the inside temperature uniformity.
- HC green refrigerant for energy saving and environmental protection.
- Upright freezers use quality color sprayed steel panel inside and outside.
- Wide available voltage range: 187V~242V.

Security
- Safety door lock and controller setting password to prevent unauthorized access.
- Build-in back-up battery to display temperature and to operate audible and visual alarm system when power failure(Some models).
- Inner doors to prevent cold air from leaking out when the outside door is opening (Some models).
- Visual and audible alarm system: High/low temperature, power failure, sensor error, door ajar, low battery.
- Power failure protection: turn on delay of the cooling system after power failure.
- Controller error protection: the cooling system will remember the normal working cycle and keep working depending on this memory when controller or sensor failed.

Optional parts
- Test hole, Data logger, cold storage basket, remote alarm port, 110V to 220V Transformer.

Specifications: (for Model MDF-268E, 328E)