Percival Scientific Biological Incubator Model I-22L
Compact reach-in biological incubator with integrated LED lighting for precision small-scale research.
The Percival Scientific I-22L Biological Incubator is a compact, reach-in environmental chamber designed for C. elegans, nematodes, yeast and fungi, insects, bacteria, and BOD testing. Featuring integrated LED lighting and the advanced IntellusUltra™ Controller, the I-22L delivers reliable temperature and light control in laboratories requiring consistent, repeatable conditions within a smaller footprint.
Features
Integrated LED lighting system with programmable intensity
IntellusUltra™ environmental controller for precise monitoring and control
Compact two-shelf design ideal for small-volume studies
Uniform environmental performance for sensitive biological applications
Self-contained reach-in cabinet for laboratory use
Built-in experiment protection with alarms and automatic reset
Core Technical Highlights
Environmental Performance
- Adjustable high and low temperature safety limits
- Audible and visual alarms
- Automatic system reset when conditions return to range
Lighting
- Linear LEDs mounted horizontally above shelves
- Programmable intensity up to 120 µmol m²/s at 6” from LED tiles
- Dimmable from 5–100% output
- Lighting control integrated through IntellusUltra™
Shelving & Capacity
- Two tiers of white epoxy-coated steel wire shelving
- Shelf dimensions: 28.25” × 27”
- Adjustable in ½” increments
- Maximum clearance: 10” per tier with both shelves installed
Construction
- Interior: 22-gauge electro-zinc plated steel
- Exterior: 18-gauge electro-zinc plated steel
- Welded inner and outer shells
- Non-metallic thermal break between cabinet walls
- Woodless insulated construction with 2” overall wall thickness
Door
- Door opening: 29.2” × 27.5”
- Magnetic gasket for secure sealing
Refrigeration
- Self-contained, air-cooled condensing unit
- Hot gas bypass system for continuous compressor operation
- Solenoid valves with extended stems for quiet, long-life operation
Typical Applications
- C. elegans and nematode research
- Yeast and fungal culturing
- Insect rearing and holding
- Bacterial growth studies
- BOD testing and environmental analysis
Optional Upgrades
- Additive humidity control with sensor
- Dehumidifier with sensor
- CO₂ enrichment package
- IntellusUltra™ Connect remote monitoring
- Android-based touchscreen interface
- Water-cooled self-contained condensing unit
- Dry alarm contacts
- Additional optional accessories available upon request
Contact us for custom configurations to match your research workflow.
Expert Guidance You Won’t Get From Big Distributors
Unlike broad catalog sellers, we specialize in controlled environment systems with deep application support. Our team understands the experimental nuances: from controller programming to lighting strategies and environmental uniformity. We help you match chamber options to your research goals and ensure you get the right system.
Ready to refine your setup or get a tailored quote? Contact us for expert support and configuration advice.





