Stuart SI60 & SI60D Transparent Modular Plant Growth Chamber

Overview

The Stuart SI60 and SI60D Transparent Modular Plant Growth Chambers are engineered for precision environmental simulation in life science laboratories where real-time visual monitoring and flexible integration are essential. Constructed entirely from optically clear, high-impact Acrylic® polymer, these chambers provide unobstructed 360° observation of biological samples—critical for plant phenotyping, microbial colony development, seed germination studies, and long-term incubation under controlled thermal conditions. Unlike conventional metal-walled incubators, the transparent architecture eliminates the need for periodic door opening, thereby minimizing thermal disturbance and maintaining stable internal microclimates. The chamber operates on a forced-air convection principle, ensuring rapid heat transfer and uniform temperature distribution across the entire 60 L working volume. Its modular design supports both standalone operation and seamless integration atop other laboratory equipment—such as shakers, CO₂ analyzers, or humidity generators—via its open-bottom configuration. Temperature control is implemented through either analog (SI60) or digital (SI60D) regulation systems, both calibrated to meet ISO 17025 traceable standards and validated per ASTM E2874 for stability and uniformity in environmental chambers.

Key Features

• Optically transparent Acrylic® chamber body enabling continuous, non-invasive sample observation without compromising thermal integrity
• Modular knock-down assembly: shipped disassembled and assembled using only a screwdriver—ideal for lab relocation, cleanroom deployment, or space-constrained facilities
• Open-bottom design allows direct mounting over auxiliary instrumentation (e.g., orbital shakers, gas delivery manifolds), supporting multi-parameter experimental setups
• Dual temperature control options: analog potentiometer-based (SI60) or digital LCD interface with setpoint memory and real-time display (SI60D)
• Preset 37°C function for rapid initiation of mammalian cell or bacterial culture protocols
• Independent thermal safety cutoff at 72°C—hardware-based, fail-safe interruption of heating circuit independent of controller logic
• Two 10 mm diameter pass-through ports on each side wall for routing power cables, sensor leads, or gas lines without compromising seal integrity
• Compliant with IEC 61010-1 safety standards for laboratory electrical equipment; CE-marked for use within EU regulatory frameworks

Sample Compatibility & Compliance

The SI60/SI60D accommodates a broad range of biological and material science applications requiring optical access and thermal stability. It supports plant growth under photoperiod-controlled lighting (when paired with external LED arrays), humidity-dependent assays (with optional humidifier integration), corrosion testing of coatings under elevated temperature, and simulated tropical condition exposure per ISO 9223 Annex B. The chamber’s acrylic construction resists common solvents and cleaning agents used in GLP-compliant labs, though prolonged exposure to chlorinated or ketonic reagents is not recommended. All units undergo factory verification of temperature uniformity (±0.3°C) and stability (±0.1°C at 37°C) per ISO 17025-accredited procedures. Documentation includes calibration certificates traceable to NPL (UK National Physical Laboratory) standards, supporting audit readiness for FDA 21 CFR Part 11–governed workflows when paired with compliant data logging systems.

Software & Data Management

While the SI60 operates without embedded software, the SI60D model supports external data acquisition via its analog voltage output (0–10 V DC proportional to internal temperature). When connected to a validated DAQ system—such as LabVIEW™-based platforms or Eurotherm 2408 controllers—the unit enables time-stamped temperature logging, trend analysis, and automated alarm triggering. Stuart provides full pinout documentation and signal conditioning guidance to ensure compatibility with third-party SCADA or LIMS environments. For GxP-regulated users, the SI60D can be integrated into electronic record systems meeting ALCOA+ principles when combined with audit-trail-enabled hardware and SOP-defined validation protocols (IQ/OQ/PQ).

Applications

• Plant physiology research: real-time tracking of photomorphogenesis, root architecture development, and stress response kinetics
• Microbial incubation: aerobic culture of thermotolerant strains under stable sub-60°C conditions
• Materials testing: accelerated aging of polymers, adhesives, and protective coatings under controlled thermal load
• Educational labs: visual demonstration of enzyme kinetics, fermentation dynamics, and thermal denaturation thresholds
• Quality assurance: stability testing of diagnostic reagents and biologics per ICH Q1A(R2) guidelines
• Environmental simulation: replication of tropical or subtropical ambient profiles for ecological modeling

FAQ

Can the SI60/SI60D be used for CO₂-controlled experiments?
No—the chamber lacks built-in CO₂ sensing or blending capability. However, it is compatible with external CO₂ supply systems when integrated via the side port fittings and monitored using standalone gas analyzers.
Is the acrylic chamber resistant to UV exposure?
Standard Acrylic® used in SI60/SI60D offers moderate UV resistance (up to ~300 nm); extended exposure to germicidal UVC (254 nm) will cause yellowing and embrittlement. UV-stabilized variants are available upon request.
What is the maximum load capacity of the optional SI60/2 shelving?
Each coated wire shelf supports up to 5 kg uniformly distributed load; total system capacity remains limited by airflow obstruction—maximum two shelves recommended for optimal thermal uniformity.
Does Stuart provide IQ/OQ documentation for regulated environments?
Yes—custom validation packages including installation qualification (IQ), operational qualification (OQ), and protocol templates aligned with ISO/IEC 17025 and GAMP5 are available under separate quotation.
Can the chamber operate continuously at 60°C?
Yes—the unit is rated for continuous operation across its full specified range (ambient +5°C to 60°C), subject to adequate ventilation and ambient room temperature ≤25°C.