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Fisher Scientific™ Isotemp™ CO2 Incubators

6.5 cu. ft. (184L) Water-Jacketed and Direct-Heat Models with T/C or IR sensors

Manufacturer: fisher scientific™  3531

 View all options for this product

Catalog No. 13-255-26

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

Description & Specifications


Temperature Range (Metric) Ambient 5 to 60°C
Height (English) Exterior 39.5 in.
Height (Metric) Exterior 100.3cm
Width (English) Exterior 26.3 in.
Width (Metric) Exterior 66.8cm
Length (English) Exterior 25 in.
Length (Metric) Exterior 63.5cm
Voltage 120V
Amperage 3.6A
Hertz 60Hz
Capacity (English) 6.5 cu. ft.
Capacity (Metric) 184L
Item Description Water-jacketed
Shelf Material Stainless Steel
Dimensions (D x W x H) Interior 21.3 x 26.8” x 20 in. (54.1 x 68.1 x 50.8cm)
Capacity 6.5 cu. ft., 184L
Electrical Requirements 120V 60Hz
Dimensions (L x W x H) Exterior 26.3 x 39.5 x 25 in. (66.8 x 100.3 x 63.5cm)
Sensor Types IR sensor
Range (Concentration) 0 to 20%
Width (English) 26.3 in.
Width (Metric) 66.8cm
Concentration 0 to 20%
Warranty 1 Year

Selection, high-capacity, heavy-duty design

  • Choice of Water-Jacketed (WJ) and Direct Heat (DH) technology
  • Flexibility you can depend on for growing cells
  • Select Thermal Conductivity (T/C) or Infrared (IR) sensors to serve your applications
  • High-capacity 6.5 cu. ft. (184L) chamber
  • Heavy-duty stainless-steel shelves support a full load of samples
  • Precise temperature control and stability of all culture parameters
Peace of mind
  • Provide stable temperature, humidity and CO2 level for maximum cell growth
  • Low and high CO2 alarms, plus power interruption and temperature deviation alarms
Ease of Use
  • Easy-to-clean polished stainless-steel interior with coved corners
  • Shelves and supports are easily removed without tools
  • Microbiological filters protect gas inlet and sample port
  • Easy-to-use display and alarm settings

Water-Jacketed (WJ) models surround cells with 12 gallons of 37°C water

  • Triple wall construction and large water volume provide superb temperature stability and heat-loss protection
  • Hold temperature for extended periods — critical during power failures
  • Fast temperature recovery keeps culture conditions very stable
Direct-Heat (DH) models let you culture with confidence
  • Heating elements surround all sides of chamber wall
  • Fiberglass insulation aids uniformity and fast recovery times
  • Directed airflow keeps cells at optimum growth temperature
  • Inner door gasket is removable


Accessories for Catalog Number: 1325526

Item Mfr. No. Item Description Price Per Unit Quantity  
Fisherbrand™ Adaptor Hose Barb
genstar technologies co
Used on outlet of regulator for tube connections Each for $14.83
Thermo Scientific™ Accessories for Isotemp™ and Napco CO2 Incubators: Gas Tank Switcher
thermo scientific™
For use with Fisher Scientific Isotemp CO2 and Thermo Scientific Napco incubators as indicated Each for $1,915.00
Fisherbrand™ Clear PVC Tubing
General-purpose polyvinyl chloride tubing for rinse and drain tubes Pack of 50 Each for $34.79
Thermo Scientific™ Accessories for Isotemp™ and Napco CO2 Incubators: Support Stand
thermo scientific™
For use with Fisher Scientific Isotemp CO2 and Thermo Scientific Napco incubators as indicated Each for $1,052.38
Fisherbrand™ Multistage Cylinder Regulators
genstar technologies co
For noncorrosive gases Each for $407.51