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Fisherbrand™ Isotemp™ -86°C Ultra-Low Temperature Chest Freezers, 3 cu. ft.

Improved compressor technology and user-friendly control panels


Type CO2, LN2
Capacity (Metric) 84.9 L
Temperature Range -58°F to -122.8°F
Style Chest
Control Type Microprocessor
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Products 1
Catalog Number Mfr. No. Frequency Voltage Price Quantity  
Catalog Number Mfr. No. Frequency Voltage Price Quantity  
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60 Hz 115 V N/A
Please call Customer Service at 1-800-234-7437 or send an email to help@thermofisher.com for assistance.


These Isotemp chest freezers feature improved compressor technology, user-friendly control panels and standard RS-232 and 4-20mA outputs. The two-stage refrigeration system has a compressor which allows for quiet and reliable performance. The control panel allows for user-defined alarms and setpoints and feature audible and visual alarms.

  • Standard RS232 and 4-20mA outputs allow for easy connection of independent monitoring devices
  • State-of-the-art control with intuitive settings controls temperature, alarm setpoints, audible/visual alarm and 12-character message system
  • Optional CO2 and LN2 safety back-up systems provide additional product protection in the event of a power or mechanical failure

Long-term storage of biological and chemical samples.


  • US and Canada: Two years parts and labor
  • Outside North America: 16 months, parts; additional 44 months compressor parts



CO2, LN2
-58°F to -122.8°F
RS232, 4 to 20mA
29.9 x 28.5 x 43.8 in. (75.9 x 72.4 x 111.3 cm)
18.5 in.
47 cm
16.5 in.
41.9 cm
75.9 cm
18.5 in.
47 cm
432 lb.
84.9 L
Long term storage of biological and chemical sample
2 Years
18.5 x 18.5 x 16.5 in. (47 x 47 x 41.9 cm)
29.9 in.
75.9 cm
43.8 in.
111.3 cm
29.9 in.
28.5 in.
72.4 cm
196 kg
Product Certifications