QJSE-1 Hot Air Aging Test Chamber
| Origin | Shanghai |
|---|---|
| Manufacturer Type | Authorized Distributor |
| Origin Category | Domestic (China) |
| Model | QJSE-1 |
| Price | USD 6,300 (FOB Shanghai) |
| Max Operating Temperature | 300 °C |
| Temperature Range | Ambient +20 °C to 300 °C |
| Temperature Uniformity | ±1.5 °C across working chamber (at 200 °C, steady-state) |
| Temperature Fluctuation | ≤±0.5 °C (at setpoint, 30-min average) |
| Temperature Deviation | ≤±2 °C (vs. reference sensor per IEC 60068-3-5) |
| Heating Rate | Ambient +20 °C → 200 °C in ≤60 min |
| Air Exchange Rate | 50 cycles/hour (adjustable via calibrated damper system) |
| Internal Chamber Dimensions (W×H×D) | Customizable per client specification (standard base: 600×800×600 mm) |
| Total Power Consumption | 6.7 kW (Heating: 6 kW |
| Fan & Control | 0.7 kW) |
| Sound Pressure Level | ≤65 dB(A) at 1 m distance |
Overview
The QJSE-1 Hot Air Aging Test Chamber is an engineered environmental test system designed for accelerated thermal aging evaluation of polymeric materials—including elastomers, thermoplastics, insulating compounds, and cable sheathing—under controlled convective air conditions. It operates on the principle of forced-air convection within a double-airflow duct architecture, ensuring uniform thermal distribution and reproducible oxidative degradation kinetics. The chamber complies with core requirements of IEC 60540 (formerly IEC 540), IEC 60811-1-2, ASTM D573, ASTM D865, and ISO 188 for heat aging of rubber and plastics. Its design supports standardized exposure protocols where material specimens are subjected to elevated temperatures over defined durations to assess changes in tensile strength, elongation at break, hardness, and dielectric properties—critical parameters for qualification under UL, CSA, and EN 50363 standards.
Key Features
- Dual-channel forced-air circulation system with independent axial fans and optimized baffle geometry to minimize thermal stratification and achieve ≤±1.5 °C uniformity across the full working volume at 200 °C
- High-stability digital temperature controller (imported Japanese or German OEM module) with PID algorithm, real-time deviation compensation, and dual-sensor redundancy (working + reference)
- Over-temperature protection circuitry including independent mechanical thermostat cutoff and optical alarm activation at ≥310 °C
- Calibrated air exchange rate control (50 ±5 cycles/hour) via motorized dampers, traceable to NIST-traceable anemometry per IEC 60068-3-7
- Stainless steel 304 inner chamber with reinforced insulation (ceramic fiber + high-density mineral wool), minimizing thermal loss and enabling rapid ramp rates
- Compliance-ready documentation package: Factory calibration certificate (temperature mapping at 3 points × 3 levels), electrical safety report (IEC 61000-6-3/6-4), and CE-conformity declaration
Sample Compatibility & Compliance
The QJSE-1 accommodates standard test specimens per ISO 37, ISO 34-1, and ASTM D412—including dumbbell-shaped tensile bars (Type 1, 2, or 4), O-rings, and strip samples up to 20 mm thickness. Its chamber volume is fully customizable to support batch testing of full-length cable reels (up to 1.5 m diameter) or multi-tier specimen racks. All operational parameters meet the instrumentation and procedural validation criteria specified in ISO/IEC 17025 accredited laboratories. The system satisfies mandatory clauses of IEC 60068-2-2 (Test B: Dry Heat) and supports audit readiness for GLP, GMP, and FDA 21 CFR Part 11 environments when paired with optional electronic logbook software.
Software & Data Management
While the base configuration includes standalone microprocessor-based control with LED display and manual data logging, optional RS485/Modbus RTU or Ethernet TCP/IP interface enables integration with LabView, MATLAB, or enterprise LIMS platforms. The optional Q-LogSuite™ software provides automated temperature profiling, real-time deviation trending, electronic signature-enabled test reports (PDF/A-1b), and 21 CFR Part 11-compliant audit trails—including user action logs, parameter change history, and calibration event records. All data files are timestamped, digitally signed, and exportable in CSV or XML formats for traceability and regulatory submission.
Applications
- Accelerated life testing of cross-linked polyethylene (XLPE), ethylene propylene diene monomer (EPDM), and silicone rubber insulation in power and communication cables
- Validation of thermal stability for automotive under-hood components (gaskets, hoses, wiring harnesses) per SAE J2044 and ISO 6722
- Quality assurance of medical-grade PVC tubing and polymer packaging per USP and ISO 10993-12
- Material screening for aerospace wire insulation (MIL-DTL-27500, AS50881) and photovoltaic encapsulant durability (IEC 61215-2 MQT 12)
- Research into oxidation induction time (OIT) and carbonyl index evolution via post-aging FTIR correlation studies
FAQ
What international standards does the QJSE-1 specifically support for cable insulation testing?
It fulfills the thermal exposure requirements of IEC 60540, IEC 60811-1-2, and ASTM D573, including prescribed dwell times, temperature tolerances, and specimen mounting configurations.
Can the chamber be validated for ISO/IEC 17025 accreditation?
Yes—the system ships with as-delivered temperature mapping data (9-point grid), uncertainty budget documentation, and supports IQ/OQ/PQ protocol execution using third-party validation services.
Is remote monitoring and alarm notification available?
Optional Ethernet connectivity enables SNMP-based alerting (email/SMS) upon deviation events, door-open detection, or power interruption, configurable via web GUI.
What maintenance intervals are recommended for long-term reliability?
Fan motor lubrication every 12 months, filter replacement every 6 months, and annual recalibration of temperature sensors against a PT100 reference standard are advised per maintenance logbook guidelines.
Does the system support programmable multi-step temperature profiles?
The standard controller supports up to 3 segment ramps; the optional Q-LogSuite™ software enables unlimited step profiles with dwell, ramp, and hold logic, synchronized with external data acquisition devices.
