Precision 3721 Refrigerated

Item: 3116C INC


All products ship from our 30,000 sq. ft. Haverhill, MA warehouse

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Call 978-521-2221
to request information & pricing for item 3116C INC

90-Day Warranty

American Instrument Exchange
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1023 Western Ave.
Haverhill, MA 01832

Phone: 978-521-2221
Fax: 978-521-8822


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Thermo Precision model 3721 Large Capacity Refrigerated Incubator

  • 20 cu. ft.
  • Temperature range -10°C to +50°C
  • 90-day warranty 

Thermo Precision Refrigerated Incubators feature microprocessor controls and forced air circulation, and are ideal for applications that require temperatures at or below ambient from -10°C to +50°C with excellent temperature control and stability.

Click Here to see a video of the Thermo Precision 3721 on our YouTube channel.

The Thermo Precision 3721 incubator features:  temperature settings at or below ambient; capacity for over 300 BOD bottles (300mL); temperature set point selection with high- and low-temperature protection and simple calibration; safety relay and alarm LED alert to over/undertemperature conditions; access port for independent sensors/connection of equipment inside unit; cooling switch provides high temperature accuracy and saves energy at temperatures above ambient; RS-232 and recorder jacks for datalogging.

Our technicians test all equipment to confirm that it operates properly and to the manufacturer’s specifications. While we can’t test for a specific analytical application, we will do our best to simulate the conditions under which the equipment will be run. If you have particular testing requirements or requests, please let us know and we’ll work with you to make sure these requirements are addressed during testing.

The photos above are representative. Please bear in mind that the equipment shown is currently in storage in our warehouse and that in addition to testing each machine we will clean all the equipment thoroughly prior to shipment. We often have multiple units of each model in stock and sometimes we're unable to feature photos of every single unit. At your request, we can provide photos of the equipment in your order after it has been tested and cleaned.

Thermo Precision Large Capacity Refrigerated Incubator - Specifications


External dimensions 32”W x 29”D x 75”H
Chamber dimensions 26.5”W x 20”D x 57”H
Temperature range -10°C to +50°C
Temperature uniformity  ±0.5°C at 37°C
Temperature sensitivity  ±0.1°C at 37°C
Electrical requirements 120V, 60Hz
Weight 300 lbs


For inquiries about the Precision 3721, please give us a call at 978-521-2221, or fill out the form on this page.