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Crysalys Controlled Rate Freezer

Weather your practice is the busiest of embryology laboratories, stem cell research, animal husbandry, or pharmaceutical research, the Crysalys is ready to satisfy the most stringent requirements in cryopreservation. 

Why use the Crysalys over other controlled rate freezers:

  • Ultimate in accuracy
  • Space saving
  • Portable
  • Only uses 1 liter of liquid nitrogen
  • No need for a large low pressure liquid nitrogen tank
  • Quiet
  • Holds 60 .5ml freezing straws can also hold .25ml straws for embryos, would need additional lifters
  • Addition of other cryochambers gives you endless options of what you can freeze


Precision in control previously not available, and a range of possibilities in everything from classic straws and security straws, to cryovials, and more.

In addition to its internal battery which guards, constantly, against main power interruption, Crysalys can run for up to three hours in the field without main power, and incorporates the ability to accept 12VDC auxiliary input from a car or truck power system.

All program cycles are logged with a user-defined time-date stamp and a name (if desired, but not required) selected by the user through an on-screen interface. These details, along with precise time vs. temperature information for every program run, are loaded to an onboard SD card. At any time, this information can be retrieved by any PC or Mac computer using our included Crysalys CryoLink software. Computer operation allows for a larger screen and more detailed graphic information.


  • Fully intuitive 5.7" color touch-screen operation
  • Fully user-programmable through touch-screen
  • Onboard datalogging and archiving of every cycle to removable SD card
  • USB interface for datalogging and programmability
  • Ability to name each discrete cycle with patient details, etc. with onboard keyboard
  • Automated full-system diagnostics
  • Built-in lithium-ferrous UPS with smartcell technology offers complete power outage protection and/or portable operation
  • Aux. 12 volt DC power input
  • Worldwide primary voltage capable, 90-264VAC
  • Portable



Controlled temperature range

+50°C to -196°C

Monitoring and recording range

+200°C to -200°C

Thermometry system

Platinum RTD (4 wire or 6 wire)

Temperature warning (onscreen or sound)

User-Definable from ±1.0°C to ±3.0°C

Temperature display & User Interface

5.7" Color TFT LCD Touch Screen

Accuracy (Thermometry)


Temperature Control Resolution (A/D Conversion)



Digital, quartz crystal

Minimum Ramp Rate


Dimensions (WxDxH)

8" x 13" x 7"


7 lbs

Temperature Datalogger

Temperature range

+200°C to -200°C

Temperature resolution


Sampling rate

10 per second

Recording rate

10 per minute

Internal Protocols (User-Programmable)

Maximum number of internal programs


Maximum steps or ramps per protocol


Minimum temperature step size


Maximum duration of protocols

No limit (AC mode)

Programs with Computer


PC or Mac

Controller computer communication

USB 2.0

Maximum steps or ramps per protocol


Minimum temperature step size


Duration of protocols

No limit


Power consumption

Less than 60 Watts

AC Main Power input:

90-264V, 47

Auxiliary External Power input: External 12VDC
Internal Battery Backup Power (UPS) 12.8VDC, 6.8Ah
Continuous LN2 consumption

Less than 1 liter per hour

(based on cryochamber design)


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