Percival Scientific SciWhite LED Chamber Algae Growth Chamber Model AL-41L4
Optimized Algae Cultivation with Multi-Tier LED Lighting
The Percival Scientific AL-41L4 is a multi-tiered algae growth chamber engineered for laboratory research that requires uniform light distribution, precise environmental control, and reproducible results. Designed for flask cultivation of algae, this chamber provides stable temperature, humidity, and lighting across all four shelves, supporting algae growth from inoculation to maturity.
Equipped with SciWhite™ LEDs and the IntellusUltra™ controller, the AL-41L4 ensures consistent irradiance for sensitive phototrophic organisms, making it ideal for physiological, biochemical, and light-response studies.
Features
Uniform Multi-Tier LED Lighting
Four tiers of SciWhite™ LED tiles deliver up to 405 µmol m²/s at 6″, ensuring even light intensity across every flask and shelf. Fully dimmable from 10–100% to suit algae species and experimental needs.
Consistent Environmental Control
Stable temperature range of 7–44 °C lights ON / 2–44 °C lights OFF with ±0.5 °C precision supports reproducible growth cycles. Integrated airflow diffusers maintain uniform conditions across all shelves.
Flexible Experiment Protection
Dual high- and low-temperature safety limits with audible and visual alarms automatically protect cultures. Systems reset automatically when conditions return to range.
Spacious Yet Compact
With four adjustable shelves and a total work area of 27.2 sq ft, the AL-41L4 provides ample growth space for multiple algae cultures while maintaining a manageable footprint.
Specifications
Environmental & Lighting Performance
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Temperature Range: 7–44 °C (lights ON) / 2–44 °C (lights OFF), ±0.5 °C
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Lighting System: Four tiers of SciWhite™ LED tiles, evenly spaced for uniform light coverage
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Light Intensity: Up to 405 µmol m²/s measured at 6″ from LEDs
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Dimming: 10–100% via IntellusUltra™ controller
Capacity & Interior Configuration
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Interior Volume: 37.2 cu ft
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Work Area: 27.2 sq ft
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Maximum Growing Height: 10.6″ per tier
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Shelving: Four white epoxy-coated steel wire shelves (27″ D × 36.3″ W)
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Vertically adjustable in ½″ increments
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Lamp banks fixed in position
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Construction & Durability
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Interior: 26-gauge electro-zinc plated steel
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Floor: 24-gauge polished stainless steel
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Exterior: 24-gauge Galvannealed smooth steel with NSF-compliant seams
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2″ thick foamed-in-place non-CFC urethane insulation with 97% closed-cell density
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Wood-free, environmentally friendly, high-reflectivity white powder coat finish
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Includes floor drain, hose assembly, casters, and leveling legs
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One 1.25″ airtight access port
Refrigeration & Airflow
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Self-contained air-cooled condensing unit with hot gas bypass for precise temperature control and extended compressor life
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Ceiling-mounted evaporator coil with dual circulation fans
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Uniform airflow across all shelves via rear-wall diffusers
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Heat rejection to ambient: ~3,837 BTU/hr
Access & Usability
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Front door: 36.8″ W × 57.5″ H with magnetic gasket
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One 1.25″ access port
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Adjustable casters for leveling on uneven lab floors
Controller
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24-hour monitoring and control of temperature, lighting, humidity, and CO₂ (when options are installed)
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Step & Ramp Mode: 500 steps across 50 programs
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Manual, Diurnal, Program, and Non-Circadian modes
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16 programmable light/event outputs
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Deviation and light lifetime alarms
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Dual experiment protection with independent primary and secondary limits
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High-definition Android-based touchscreen interface
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Graphical display of last 6 hours of chamber performance
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On-board diagnostics and power-failure logging
Typical Applications
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Flask-based algae cultivation
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Photoperiod and light-response studies
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Physiological and biochemical research
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Controlled growth for experimental reproducibility
The Percival Scientific AL-41L4 provides multi-tiered LED performance, reliable environmental precision, and flexible experimental control, making it an ideal choice for algae research labs seeking consistency and scalability.
Available Options
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Additive humidity control with sensor
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Dehumidifier with sensor
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CO₂ enrichment package
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IntellusUltra Connect (remote monitoring)
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Android touchscreen interface
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Door with observation window or fresh air ports
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Water-cooled condensing unit
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Dry alarm contacts
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Extended temperature ranges
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External drip pan assembly
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Alternate or dimmable LED lighting packages
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.
