Generic Temperature and Humidity Controlled Environmental Test Chamber
| Brand | OEM / Third-party Manufacturer |
|---|---|
| Origin | Imported |
| Supplier Type | Authorized Distributor |
| Price | USD 3,100 (FOB) |
| Temperature Range | −65 °C to +150 °C |
| Humidity Range | 20–95 % RH |
| Temp. Uniformity | ±2.0 °C |
| Temp. Stability | ±0.5 °C |
| Humidity Uniformity | ±3.0 % RH |
| Humidity Stability | ±1.5 % RH |
| Heating Rate | ≥2.5 °C/min (from 20 °C to 85 °C in ≤60 min) |
| Cooling Rate | ≥1.0 °C/min (from 20 °C to −40 °C in ≤70 min) |
| Refrigeration System | Dual-stage mechanical refrigeration (hermetic compressors, R23/R404A) |
| Internal Material | Mirror-finish SUS304 stainless steel |
| Insulation | 100 mm high-density fiberglass + polyurethane foam |
| Control System | TEMI880 color touchscreen PID controller with data logging, curve plotting, alarm history, and multi-segment programmability |
Overview
The Generic Temperature and Humidity Controlled Environmental Test Chamber is an industrial-grade climatic simulation system engineered for precise, repeatable evaluation of material and component behavior under defined thermal and hygrothermal stress conditions. Based on forced-air convection and dual-stage vapor-compression refrigeration, the chamber delivers stable, traceable environmental profiles across a wide operational envelope—from deep-freeze (−65 °C) to high-temperature bake (+150 °C), combined with controlled relative humidity (20–95 % RH). Its design adheres to fundamental thermodynamic principles governing heat transfer, moisture diffusion, and phase equilibrium—enabling compliance-driven validation of product resilience per international environmental testing standards. This chamber is not a generic storage unit but a calibrated test apparatus intended for use in quality assurance labs, R&D centers, and manufacturing process validation environments where reproducibility, audit readiness, and long-term stability are mandatory.
Key Features
- Robust dual-wall construction: mirror-polished SUS304 stainless steel interior and powder-coated A3 steel exterior, with 100 mm composite insulation (high-density glass fiber + polyurethane foam) for minimal thermal bridging and energy-efficient operation.
- Optimized airflow architecture: centrifugal circulation fan paired with laminar baffle design ensures uniform temperature and humidity distribution (±2.0 °C / ±3.0 % RH) across the working volume—even during dynamic ramp cycles.
- Intelligent dual-stage refrigeration: hermetically sealed compressors (Embraco or Copeland equivalents), R23/R404A mixed-refrigerant circuit, and air/water-cooled condenser options provide reliable sub-zero performance down to −65 °C without cryogenic consumables.
- Integrated load-testing capability: dedicated power feedthroughs (with optional overcurrent protection) allow real-time functional evaluation of powered devices under environmental stress—critical for automotive ECUs, medical electronics, and aerospace subsystems.
- Enhanced visibility & safety: multi-layer heated anti-fog viewing window with embedded conductive film, Philips LED interior lighting, and dual-lip high-expansion silicone gasket sealing ensure unobstructed observation and leak-tight integrity during extended test cycles.
- Comprehensive protection suite: independent over-temperature, over-humidity, compressor high-pressure, motor overload, and door-open alarms—each logged with timestamps and actionable fault codes via the controller interface.
Sample Compatibility & Compliance
This chamber accommodates standard test specimens up to 500 mm × 500 mm × 500 mm (custom volumes available), including PCB assemblies, polymer housings, battery modules, and packaged pharmaceuticals. It meets the metrological and functional requirements of GB/T 2423.1–2423.4 (equivalent to IEC 60068-2-1, -2, -3, -30), as verified through third-party calibration against NIST-traceable reference sensors. The system supports GLP-compliant operation when configured with audit-trail-enabled controllers (e.g., TEMI880 with password-protected user levels and electronic signature support), fulfilling prerequisites for ISO/IEC 17025-accredited laboratories and FDA 21 CFR Part 11–aligned workflows.
Software & Data Management
The TEMI880 intelligent controller provides full graphical programming of temperature/humidity profiles—including ramp-soak cycles, step transitions, and dwell periods—with up to 120 segments per program. Real-time data visualization includes overlay plots of setpoint vs. actual values, deviation alarms, and trend curves with adjustable scaling. All operational logs (setpoints, measurements, alarms, user actions) are stored internally for ≥30 days and exportable via USB to CSV or PDF. Optional Ethernet/WiFi modules enable remote monitoring, centralized fleet management, and integration into MES or LIMS platforms via Modbus TCP or OPC UA protocols—supporting automated report generation and SPC charting.
Applications
- Electronics reliability screening: thermal cycling, damp heat (85 °C/85 % RH), and cold storage validation per JEDEC JESD22-A104/A110.
- Automotive component qualification: climate endurance testing of infotainment units, sensors, and ADAS modules per ISO 16750-4.
- Pharmaceutical packaging stability: accelerated aging studies per ICH Q1A(R2) guidelines at controlled T/RH conditions.
- Polymer and composite material characterization: dimensional stability, moisture absorption kinetics, and glass transition mapping.
- Quality control release testing: final verification of batch consistency prior to shipment under defined environmental thresholds.
FAQ
What is the standard calibration interval recommended for this chamber?
Annual calibration against accredited reference standards (e.g., Fluke 1523/1524 with traceable probes) is advised; internal sensor drift verification should be performed quarterly using NIST-traceable dry-well calibrators.
Can the chamber operate continuously at −65 °C and 10 % RH?
No—minimum operational humidity is 20 % RH across the full temperature range. Sub-20 % RH requires optional dehumidification upgrades (e.g., desiccant wheel or nitrogen purge interface).
Is the TEMI880 controller compliant with FDA 21 CFR Part 11?
Yes—when configured with audit trail, electronic signatures, role-based access control, and secure data export, it satisfies core Part 11 requirements for electronic records and signatures.
What maintenance is required for the refrigeration system?
Biannual inspection of condenser coils (air-cooled) or water filters (water-cooled), annual oil analysis, and pressure/leak checks per ISO 5149; compressor service life exceeds 30,000 hours under rated load.
Does the chamber support custom test protocols beyond standard IEC/GB methods?
Yes—the programmable controller accepts user-defined profiles with variable ramp rates, conditional triggers (e.g., “hold until humidity stabilizes”), and external signal inputs for synchronized actuation (e.g., power cycling, vibration input).
