KLF – Contact Freezer Series

KLF – Contact Freezer Series for fast freezing of plasma bags



Key Features:

  • -30°C within 30 minutes
  • FASTEST freezing cycle on the world
  • Superior freezing experience
  • Contact freezing process



Certification and Standards:

  • MEDICAL DEVICE CERTIFIED (93/42/EEC) - availabe as KLF(MD)-version registered as a Medical device

  • In compliance with the international standards to preserve the integrity of labile plasma factors



Technical Specification:

  • Core temperature / freezing time

    • For standard bags 500ml (content max. 450ml):  -30°C  approx. 30min

    • For large bags    1.000ml (content max. 850ml):  -30°C  approx. 40min

  • Start-up time (preparation time):  -60°C within 10–15 min

  • Defrosting process:  approx. 10min

  • Noise volume:  less than 65dB(A)

  • Refrigerant:  R449a (CFC/HCFC free)

  • Standard equipment

    • Compression unit with separate cold transmission from the lid and the base plate

    • Horizontal freezing process with stainless steel plates

    • Night storage control (-40°C)

    • Variable to accommodate different bag sizes and forms

    • Connection for dummy bag sensor

    • Rollable, ready-to-plug

    • Serial interface

  • Optional accessories for quality assurance and documentation

    • Evaluation and data acquisition software

    • PC-System

    • Dummy bags and sensors

    • Medical device certification



COOLSPY (Software Option)

Our product-related evaluation and data acquisition software enables e.g. temperature to be displayed graphically, stored and printed.


Following parameters are displayed:

  • Temperatures Display

    • For both of the cold plates

    • For the dummy bags

  • Storing and archiving of all automatically displayed temperatures according to

    • Data, time, user

    • Entire freezing process


Cryo Life Science Technologies GmbH


Wirtschaftspark 11

9130 Poggersdorf



T  +43 720 2710 30

F  +43 720 2710 35


Visit us at trade show

Medlab Middle East


in Dubai, VAE

CLST booth

Visit us at trade show

Pharma Congress 2020 (PharmaTechnica)


in Düsseldorf, Germany

CLST booth 75

Visit us at trade show



in Munich, Germany

CLST booth A3.508