English Product Name

Overview

The Generic Temperature and Humidity Controlled Environmental Test Chamber is a precision-engineered climatic simulation system designed for rigorous environmental stress testing of electronic components, automotive parts, aerospace materials, pharmaceutical packaging, and polymer-based products. It operates on the principle of forced-air convection combined with dual-stage mechanical refrigeration and PID-controlled steam humidification to maintain stable, repeatable thermal and hygrothermal profiles across wide operational ranges. The chamber is engineered for laboratory and industrial quality assurance environments where compliance with international environmental test standards—including IEC 60068, ISO 16750, and MIL-STD-810—is essential. Its architecture supports both steady-state conditioning and dynamic cycling protocols, enabling validation of product reliability under accelerated aging, condensation, thermal shock, and humidity soak conditions.

Key Features

• Robust dual-stage refrigeration system with hermetic scroll compressors and environmentally compliant R404A/R23 refrigerant blend for reliable low-temperature performance down to −65 °C
• Mirror-finish SUS304 stainless steel interior chamber and powder-coated or brushed stainless steel exterior for corrosion resistance, cleanability, and long-term dimensional stability
• 100 mm thick composite insulation comprising high-density fiberglass and closed-cell polyurethane foam, minimizing thermal bridging and energy consumption
• Multi-layer tempered observation window with integrated ITO conductive film heating and adjustable-backlight Philips LED illumination for unobstructed, fog-free visual monitoring
• Programmable touchscreen controller with bilingual (English/Chinese) LCD interface, real-time curve plotting, multi-segment ramp-soak programming, and 17-level backlight adjustment
• Comprehensive safety architecture including over-temperature, over-humidity, compressor high-pressure, phase failure, and door-open interlock protections
• Optional load power feedthrough (±100 A, 3-phase) and vibration-isolation PU casters for integration into functional reliability test setups

Sample Compatibility & Compliance

This chamber accommodates samples up to standard rack-mount dimensions (W × D × H: 600 × 600 × 800 mm internal usable volume; custom sizes available). It supports passive and active device-under-test (DUT) configurations, including powered electronics undergoing simultaneous thermal-hygrometric stress. All performance specifications—temperature uniformity (±2.0 °C), humidity uniformity (±3.0 % RH), and stability metrics—are validated per GB/T 5170.2–5–6 (equivalent to IEC 60068-3-5, -3-6)—the national standard for calibration of environmental test equipment. The system meets the technical requirements of GB/T 2423.1 (cold), GB/T 2423.2 (dry heat), GB/T 2423.3 (constant damp heat), and GB/T 2423.4 (cyclic damp heat), aligning with IEC 60068-2-1, -2-2, -2-3, and -2-30. While not pre-certified to FDA 21 CFR Part 11, its controller supports audit-trail-ready operation when deployed in GLP/GMP-compliant laboratories using external data logging and user access control policies.

Software & Data Management

The embedded controller provides local data acquisition at 1-second intervals, storing up to 100 programmable test profiles and 30 days of continuous runtime logs. Export is supported via USB 2.0 to CSV format for traceable post-processing in Excel or MATLAB. Optional Ethernet or RS485 interfaces enable integration with centralized Laboratory Information Management Systems (LIMS) or SCADA platforms. The PID tuning algorithm incorporates adaptive learning for improved setpoint tracking during rapid transitions, and alarm events are timestamped with cause codes (e.g., “HUMIDIFIER_OVERCURRENT”, “COMPRESSOR_LOW_OIL_PRESSURE”) for root-cause analysis. Data integrity is maintained through cyclic redundancy check (CRC) verification on all stored records.

Applications

• Accelerated life testing of printed circuit boards (PCBs), connectors, and encapsulated semiconductors under temperature-humidity bias (THB)
• Validation of moisture barrier efficacy in medical device packaging per ISO 11607
• Thermal cycling qualification of lithium-ion battery modules per UN 38.3 Section 4.4
• Material compatibility assessment of adhesives, coatings, and elastomers per ASTM D471 and ISO 188
• Environmental screening of avionics hardware per RTCA DO-160 Section 4 (Temperature) and Section 5 (Humidity)
• Stability studies for pharmaceutical intermediates per ICH Q1A(R2) guidelines

FAQ

What is the standard warranty coverage for this chamber?

Standard warranty is 18 months from shipment date, covering parts and labor for defects in materials and workmanship. Compressor and controller modules carry extended 36-month coverage under registered service agreements.
Can the chamber be configured for water-cooled condensation?

Yes—both air-cooled and water-cooled condenser options are available. Water-cooled variants require inlet water at 10–30 °C, flow rate ≥3 L/min, and pressure 0.2–0.4 MPa. Installation must comply with local plumbing codes and include a fail-safe flow switch.
Is remote monitoring supported out-of-the-box?

Basic SNMP v2c status polling is enabled via Ethernet port. Full remote control, real-time graphing, and email/SMS alerting require optional software license and secure VPN configuration per IT department policy.
How is calibration traceability established?

Factory calibration uses NIST-traceable reference sensors (±0.15 °C, ±1.0 % RH). A Certificate of Calibration (CoC) with as-found/as-left data is supplied. Users may perform field verification using Class A platinum RTDs and chilled-mirror hygrometers per ISO/IEC 17025.