Incubator - I-22VL

The I-22VL incubator gives you more space while taking up less room with two vertically stacked chambers.  Using two separate control panels, you can control the environments within each compartment simultaneously. The two environments operate independently and the differences between them will not interfere with their stability. The I-22VL makes it easy to compare subjects or work with separate projects simultaneously, saving time and resources.

Like all of Percival Scientific's environmental chambers, the I-22VL is built for complete reliability, versatility and precision.  With a user-friendly control device and optional features to customize the functionality of the I-22VL, you can create highly-controlled environments built around the needs of your lab.  The I-22VL is made with a strong, reinforced exterior and interior to protect against erosion, and heating, cooling and air flow components that will not wear down or freeze up.

Read more about the I-22VL and order today to add this item to your equipment.
*Shown with options not included on standard chambers

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  • This chamber is frequently used for C. elegans, nematodes, yeast/fungi, insects, bacteria and BOD
  • Many other applications exist for this product

Percival’s IntellusUltra Controller

  • Percival Scientific has built a reputation of providing flexible, customized options for research scientists around the world. We have taken the philosophy to the next level with our improved IntellusUltra Controller. Now choose from the levels of functionality that meet your needs.

Lighting System

  • Fluorescent lamps vertically mounted
  • Intensity programmable up to 80 micromoles/m2/sec of light irradiance measured at 6” from lamps
  • Programming and control of the lighting is done via IntellusUltra real time controller

Cabinet Construction

  • Interior constructed of 22-gauge electro-zinc plated steel
  • Exterior constructed of 18-gauge electro-zinc plated steel
  • Welded seams and joints on outer and inner shells
  • Inner shell supported by non-compressing/non-thermal conducting material locking inner liner in place without a metal-to-metal bond to outer case
  • Chamber is completely self-contained
  • Overall wall thickness is 2”


  • Woodless construction using CFC free insulation (overall wall thickness is 2”, ample insulation for maintenance of stated temperature range)


  • Each door opening is 29.2” x 27.5” provides full access to chamber interior (magnetic gasket provides a tight seal to door frame)

Interior Space

  • 14.6 cu.ft. with work area of 9.4 sq.ft. provided on two tiers


  • Two tiers of white epoxy coated steel wire shelving (each shelf is 28.13” x 26.9”)
  • Shelves are supported by shelf clips allowing 1/2” vertical adjustments
  • Maximum clearance between shelves is 11” per tier with both shelves installed


  • Interior and exterior painted with high reflective, environmentally friendly, high temperature baked white powder coating


  • Self-contained air-cooled condensing unit with hot gas bypass system for continuous compressor operation, extended life and close temperature control (this continuous running condensing unit ensures precise temperature control by alternating cycling refrigerant and hot gas to coil; this also prolongs life of compressor, and eliminates risk of ice build up in coil)
  • Solenoid valves have extended stem for quiet and long life operation

Temperature Range

  • 4-44C (+/- 0.5C) with lights on, 2-44C (+/- 0.5C) with lights off

Temperature Safety Limit Controls

  • Experiment Protection: Adjustable high and low temperature controls, audible alarms, and visual indicators provided
  • Controls shut down all power to chamber, activating alarms (when the temperature returns to the normal range the system will automatically reset)

Electrical Requirements

  • Consult Geneva Scientific for electrical requirements and amperage draw.


  • Additive Humidity Control with Sensor
  • Dehumidifier with Sensor
  • IntellusUltra Connect
  • Android-Based Touch Screen
  • CO2 Enrichment Package
  • Self-Contained Water-Cooled Condensing Unit
  • Dry Alarm Contacts
  • Dimmable Lighting
  • LED Lighting in Lieu of Fluorescent Lamps
  • Please contact us for more optional items

***Specifications subject to change.***

ModelTemp Range
(with lights on)
Interior Space (Volume)Total Shelving Floor AreaMaximum Growing HeightExterior DimensionsLight Intensity (6" from lamps unless noted)# of Tiers
I-22VL4-44±0.5 °C14.6* ft3
0.4* m3
9.4* ft2
0.9* m2
11 in
27.9 cm
33.5 in (W)
36.6 in (D)
77.9 in (H)
80 µmol/m2/s2*

Note: * Specifications for the I-22’s are per compartment unless otherwise noted. All of the I-22’s can be designed to have two different foot prints in one chamber. (I.e. I-22 with NL on top and LL on the bottom.)