ATSFAAR CLIMATIC RH SERIES Environmental Test Chamber

Overview

The ATSFAAR CLIMATIC RH SERIES Environmental Test Chamber is an engineered platform for precise, repeatable simulation of temperature and relative humidity (RH) conditions in laboratory and quality assurance environments. Designed around fundamental principles of thermodynamic control and psychrometric regulation, the chamber employs dual-channel microprocessor-based feedback loops to independently regulate heating, refrigeration, humidification, and dehumidification subsystems. This architecture enables stable, traceable environmental profiles essential for accelerated aging studies, stability testing, and compliance-driven validation protocols across regulated industries—including pharmaceuticals (ICH Q1–Q5), medical devices (ISO 11607), food packaging (ASTM F1980), and construction materials (EN 1504-2). The chamber operates without ozone-depleting chlorofluorocarbons (CFCs), utilizing R134a refrigerant in a hermetically sealed air-cooled condenser system—ensuring both regulatory alignment and long-term operational reliability.

Key Features

• Stainless steel interior chamber (AISI 304) with seamless welds and rounded corners for GMP-compliant cleaning and residue-free maintenance.
• High-efficiency polyurethane foam insulation (≥120 mm thickness) minimizing thermal bridging and energy consumption while maintaining uniform internal gradients.
• Independent dual-loop control: one channel governs temperature via PID-regulated resistive heaters and R134a-based vapor-compression cooling; the second manages RH via continuous water feed humidification and dedicated evaporative dehumidification.
• Integrated tempered glass viewing window with anti-fog coating, enabling real-time visual monitoring without compromising chamber integrity or thermal stability.
• Temperature uniformity ≤ ±1°C (dry operation) and ≤ ±2°C (under humidified conditions) across the full working volume, verified per IEC 60068-3-5 and ASTM E145 Annex A4.
• Relative humidity controllability from 10% to 98% RH at any setpoint within the temperature range, with stability maintained within ±3% RH over 24-hour cycles.
• Scalable chamber volumes (100 L to 1000 L) accommodate diverse sample configurations—from single vials and blister packs to full-size automotive components or architectural panels.

Sample Compatibility & Compliance

The CLIMATIC RH SERIES accommodates heterogeneous sample types including sterile pharmaceutical dosage forms, polymer films, coated substrates, electronic assemblies, and hygroscopic food matrices. Its stainless steel construction meets FDA 21 CFR Part 11 requirements for material compatibility and cleanability. All control firmware supports audit trail generation, user-level access permissions, and electronic signature capability—facilitating GLP/GMP compliance. The system is preconfigured to support common test standards such as ICH Q5C (biopharmaceutical stability), ISO 4892-2 (plastics exposure to humidity/UV), and EN 60068-2-30 (damp heat cyclic testing). Optional calibration certificates are available traceable to NIST or EU-accredited national metrology institutes.

Software & Data Management

The embedded dual-channel controller provides local setpoint programming, ramp-soak profiles, and real-time trend logging. Optional PC-based software (ATSFAAR ClimateLink™) extends functionality with remote monitoring, automated report generation (PDF/CSV), alarm escalation via email/SMS, and integration into enterprise LIMS or MES platforms via Modbus TCP or OPC UA. All data—including timestamps, operator IDs, deviations, and calibration events—is stored with immutable audit trails compliant with 21 CFR Part 11 Subpart B requirements. Historical data retention exceeds 12 months at 1-minute resolution without external storage.

Applications

• Pharmaceutical stability testing per ICH guidelines under defined temperature/humidity zones (Zone IVa, IVb).
• Accelerated shelf-life evaluation of moisture-sensitive formulations (e.g., lyophilized proteins, oral solid doses).
• Corrosion resistance validation of metallic coatings and printed circuit boards under cyclic damp-heat stress.
• Water vapor transmission rate (WVTR) characterization of barrier films used in food and medical packaging.
• Thermal expansion and dimensional stability assessment of composite building materials per EN 1504-2.
• Validation of cold chain packaging performance during simulated transit conditions involving combined temperature and humidity excursions.

FAQ

Does the CLIMATIC RH SERIES support programmable temperature-humidity cycling?
Yes—the controller supports multi-step profiles with independent ramp rates, soak durations, and conditional transitions between temperature and RH setpoints.
Is third-party calibration certification included with purchase?
Calibration verification at time of shipment is standard; full ISO/IEC 17025-certified calibration with uncertainty budgets is available as an optional service.
Can the chamber operate continuously at 98% RH and 40°C?
Yes—this combination falls within the validated operating envelope, with continuous water feed and active dehumidification ensuring long-term RH stability.
What safety protections are integrated?
Overtemperature cutoff, refrigerant pressure monitoring, door interlock, water overflow sensor, and independent high-limit thermostat provide redundant hardware-level safeguards.
Is remote diagnostics supported?
With optional Ethernet connectivity and ClimateLink™ software, engineers can perform firmware updates, parameter diagnostics, and event log analysis remotely.