PDF 440 Super Freezer

The PDF 440 Super Freezer offers a net capacity of 440 liters, ideal for laboratories with extensive storage needs. It operates within a temperature range of -25°C to -40°C using forced-air refrigeration. The unit is constructed with anti-bacterial epoxy-coated steel or stainless steel, ensuring durability and ease of cleaning. ​

Key Features:

• Temperature range: -25°C to -40°C
• Net capacity: 440 liters
• Forced-air refrigeration for uniform cooling
• Climatic class: +16°C to +28°C
• External dimensions: 600 x 760 x 1950 mm
• Anti-bacterial coated steel or stainless steel construction

• Rotor capacity: 12 x 1.5/2.0 mL vessels, 2 x PCR strip
• Max. speed: 14,100 x g (14,500 rpm)
• Extremely compact footprint — measures 9”W x 4.”H x 9ó”D!
• Aluminum rotor accommodates twelve 1.5- or 2.0-mL tubes (maximum diameter of 11 mm)
• Rotor can be autoclaved at 121°C for 20 minutes
• Minimal sample heat transfer — maximum of 12°C after 20 minutes at max speed
• Eliminate costly repairs with the low maintenance drive
• Soft-touch lid closure for ergonomic lid locking — and releases automatically at the end of a run

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• Speed: 11,800rpm with 24- place rotor
• RCF: 14,000g with 24-place rotor
• Acceleration: 0-11,800rpm in 60 seconds, with 24-place rotor
• Brake: Automatic
• Noise: 62dB running with 24-place rotor
• Motor: High precision AC/DC series wound motor, brush gear, computer wound coil winding, balance armature and high speed bearings.
• Timer: 0-15 minute timer, graduated in 1 minute increments. Automatic switch at zero
• Weight: 5.1Kg net (without rotor)
• Dimensions: 23.5cm height x 27cm diameter, footprint 16cm diameter
• Construction: Aluminium casing with a steel lid
• Finish: Body cream white baked enamel, with matt black baked enamel lid

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• Microprocessor control.
• Digital display setting and actual temperature.
• Over temperature alarm, PID self-tuning.
• Digital display running timer.
• Stainless steel interior.
• Electricity leakage protection.
• With glass inner door, With hidden door locks.
• Mechanical overheat protection, cut off the heating sources.
• Automatic alarm after operation.
• Suitable for constant temperature tests.
• Suitable for bacteria cultivation, breeding, ferment.

• Lowest operation and tip ejection forces
• Fully autoclavable
• Ultra light weight with space-age materials
• Secondary adjustment option for various liquid classes
• Spring loaded tip con
• For transferring molecular samples and PCR mix solutions.
• One set is for DNA work and the other for RNA work. Each with the following specs
• Light weight, traditional tip shaft, and will fit all generic brands of tips
• Equal to or better than accuracy and precision compared to ISO 8655, so results can be trusted.
• Easy and quick volume adjustment with or without gloves. Foolproof volume lock prevents accidental volume changes.
• Low maintenance and autoclavable 121° for at least 20 minutes
• Quick release