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

Improved compressor technology and user-friendly control panels

Manufacturer: fisher scientific™  I903CA

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Catalog No. I903CA

 Please call Customer Service at 1-800-234-7437 or send an email to for assistance.

Description & Specifications


Control Microprocessor
Amperage 10.5A
Capacity 3 cu. ft., 84.9L
Capacity (English) 3 cu. ft.
Capacity (Metric) 84.9L
Defrost Manual
Depth (English) Interior 18.5 in.
Depth (English) Exterior 29.9 in.
Depth (Metric) Exterior 75.9cm
Depth (Metric) Interior 47cm
Exterior Finish Stainless Steel
Dimensions (L x W x H) Exterior 29.9 x 28.5 x 43.8 in. (75.9 x 72.4 x 111.3cm)
Dimensions (D x W x H) Interior 18.5 x 18.5 x 16.5 in. (47 x 47 x 41.9cm)
For Use With Long term storage of biological and chemical sample
Height (English) Interior 16.5 in.
Height (English) Exterior 43.8 in.
Height (Metric) Exterior 111.3cm
Height (Metric) Interior 41.9cm
Hertz 60Hz
Length (English) Exterior 29.9 in.
Length (Metric) Exterior 75.9cm
Ports RS232, 4 to 20mA
Refrigerant CFC-free
Temperature Range −58° to −122.8°F
Temperature Range (Metric) −50° to −86°C
Voltage 115V
Width (English) Exterior 28.5 in.
Width (English) Interior 18.5 in.
Width (Metric) Exterior 72.4cm
Width (Metric) Interior 47cm
Electrical Requirements 115V 60Hz
Weight (English) 432 lb.
Weight (Metric) 196kg
System Type CO2, LN2
Warranty 2 Years
Product Type Ultra low temperature chest freezer

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.


Accessories for Catalog Number: I903CA

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