Percival Scientific Drosophila Rearing Chamber Model DR-41NL
Precision Environmental Control for Light-Independent Drosophila Research
The DR-41NL Drosophila Chamber is purpose-built for drosophila rearing and experimentation where internal lighting is not required. By eliminating internal light sources, the DR-41NL provides a stable, dark, and tightly regulated environment, ideal for circadian studies, genetic research, and controlled breeding protocols requiring external or ambient light control.
Features
No Internal Lighting – eliminates unintended photoperiod influence
Optimized for Drosophila Environments – phenolic-coated coils resist acidic exposure
Advanced IntellusUltra™ Control Platform – precise, reliable environmental regulation
High-density shelving for efficient vial and bottle capacity
Proven Percival construction designed for long-term reproducibility
Environmental Control System
IntellusUltra™ Controller
Percival’s IntellusUltra™ Controller delivers industrial-grade environmental management with flexible functionality levels to meet the needs of modern research labs.
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Real-time control of temperature and humidity
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Expandable architecture for optional connectivity and upgrades
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Built-in experiment protection, diagnostics, and alarm systems
Core Technical Highlights
Lighting
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No internal lighting system installed
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Ideal for studies requiring darkness or externally controlled photoperiods
Interior & Capacity
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Interior Volume: 37.2 cu ft
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Work Area: 40.8 sq ft
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Shelving: Six tiers of white epoxy-coated steel wire shelving
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Shelf Dimensions: 27″ D × 36.2″ W
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Growing Height:
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Up to 8″ per tier (standard configuration)
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Maximum clearance approximately 7.5–8″ per tier with water pan humidifier installed
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Shelf clips allow ½″ vertical adjustment increments
Cabinet Construction & Finish
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Interior: 22-gauge electro-zinc plated steel
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Exterior: 18-gauge electro-zinc plated steel with reinforced panels
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Welded inner and outer shells with no metal-to-metal thermal bridging
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NSF-compliant seam design
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Interior floor: 304 stainless steel
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Finish: High-reflectivity, environmentally friendly baked white powder coating
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Access Port: One 1.25″ air-tight port on right-hand wall
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Floor Drain & Hose Assembly included
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Casters and leveling legs for uneven lab floors
Insulation
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Woodless construction
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2″ foamed-in-place non-CFC urethane insulation
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93% closed cell
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R-value: 12.5
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Ensures stable temperature control across full operating range
Door & Access
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Single door opening: 36.8″ W × 57.5″ H
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Magnetic gasket provides a tight environmental seal
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Full interior access for easy loading and maintenance
Refrigeration & Temperature Control
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Self-contained, air-cooled condensing unit
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Hot gas bypass system enables continuous compressor operation
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Precise temperature regulation with reduced ice buildup risk
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Top-mounted refrigeration for simplified servicing
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Heat rejection to ambient without affecting internal chamber conditions
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Ceiling-mounted evaporator with twin air-circulation fans
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Phenolic-coated coils protect against acidic drosophila environments
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Heat rejection: approximately 3082–3500 BTU/hr (configuration dependent)
Temperature Range & Stability
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Operating Range: 2°C to 44°C
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Stability: ±0.5°C
Humidity Control
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Additive humidity control:
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Up to 85% ±10% (lights on / ambient conditions, 15–30°C)
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Up to 90% ±10% (lights off, 15–30°C)
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Requires de-mineralized water supply
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½″ MPT water connection
Safety & Experiment Protection
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Adjustable high and low temperature safety limits
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Audible and visual alarms
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Automatic power shutdown when limits are exceeded
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System automatically resets once conditions return to normal
Typical Applications
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Drosophila melanogaster rearing
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Circadian rhythm and behavioral studies
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Genetic and developmental research
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Experiments requiring dark or externally controlled lighting conditions
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High-density vial and bottle production
The DR-41NL Drosophila Chamber delivers precise temperature and humidity control without internal lighting, making it an ideal solution for light-sensitive drosophila research requiring consistency, durability, and reproducibility.
Optional Upgrades
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Dehumidifier with sensor
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IntellusUltra Connect (remote monitoring)
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Android-based touchscreen interface
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CO₂ enrichment package
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Self-contained water-cooled condensing unit
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Dry alarm contacts
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.
