Jinhoo JH-SN-900 Forced-Air Thermal Aging Test Chamber
| Brand | Jinhoo |
|---|---|
| Model | JH-SN-900 |
| Origin | Shanghai, China |
| Internal Chamber Dimensions | 950 × 950 × 850 mm (L×W×H) |
| Temperature Range | Ambient +10°C to 300°C |
| Temperature Uniformity | ±2°C |
| Temperature Fluctuation | ±0.5°C |
| Heating Rate | 1.0–3.0°C/min (ambient to 300°C, approx. 40 min) |
| Timer Range | 0–999 hours |
| Rated Power | 6 kW |
| Supply | 3-phase 4-wire 380 V AC, 50 Hz |
| Max Ambient Humidity | ≤85% RH |
| Operating Ambient Temperature | 5–35°C |
| Air Exchange System | Adjustable forced-air ventilation |
| Compliance | GB/T 3512-2001, JIS K 7212, JIS B 7757 |
Overview
The Jinhoo JH-SN-900 Forced-Air Thermal Aging Test Chamber is an industrial-grade thermal endurance testing system engineered for evaluating material stability and service life under elevated temperature conditions. Unlike radiant or static-oven configurations, this chamber employs a robust forced-air circulation architecture with programmable air exchange control—ensuring uniform thermal distribution while eliminating direct infrared exposure from heating elements. Its operational range spans from ambient +10°C up to 300°C, making it suitable for accelerated aging protocols in polymer science, elastomer formulation, electrical insulation validation, and automotive component qualification. The chamber’s design prioritizes thermal fidelity and repeatability, supporting standardized thermal stress evaluation per internationally recognized test methods.
Key Features
- Forced-air convection system with adjustable air exchange rate—minimizing thermal stratification and enabling precise simulation of ventilated high-temperature environments.
- Heating elements isolated from the test chamber interior, preventing sample exposure to localized radiant heat sources and ensuring true convective thermal loading.
- High-stability PID temperature controller with real-time monitoring and digital setpoint resolution of 0.1°C.
- Stainless steel inner chamber (SUS304) with reinforced insulation and double-layer door seal to maintain thermal integrity and reduce energy consumption.
- Programmable timer with 0–999 hour range, supporting unattended long-duration tests compliant with ASTM D573 and ISO 188 aging schedules.
- Integrated safety protections including over-temperature cutoff, short-circuit protection, and phase-loss detection on the 3-phase 380 V AC supply.
Sample Compatibility & Compliance
The JH-SN-900 accommodates samples up to 950 mm × 950 mm × 850 mm in volume—ideal for full-size automotive gaskets, cable jacketing reels, molded rubber parts, and printed circuit board assemblies. Its thermal performance meets the spatial uniformity and temporal stability requirements of GB/T 3512-2001 (Rubber—Determination of ageing characteristics in air oven), JIS K 7212 (Plastics—Methods of exposure to hot air), and JIS B 7757 (Test equipment for thermal aging). While not a UV or xenon-arc device—as implied by some mischaracterizations in regional marketing—the unit strictly adheres to thermal-only aging standards used in QC laboratories operating under ISO/IEC 17025-accredited quality systems. It supports GLP-compliant documentation when paired with external data loggers meeting FDA 21 CFR Part 11 audit-trail requirements.
Software & Data Management
The chamber operates via a standalone microprocessor-based controller with LCD interface; no proprietary PC software is bundled. However, analog output (4–20 mA or 0–10 V) and RS485 Modbus RTU communication ports are available as optional factory configurations—enabling integration into centralized lab monitoring platforms (e.g., Siemens Desigo, Ignition SCADA, or LabArchives ELN). Users may configure automated data capture at user-defined intervals, with timestamps synchronized to NTP servers when connected to enterprise networks. All temperature profiles, run logs, and alarm events are stored locally in non-volatile memory for post-test traceability—a critical requirement for internal audits and supplier qualification dossiers.
Applications
- Evaluation of oxidative degradation kinetics in thermoplastics and thermosets per ISO 188 Annex A.
- Pre-qualification screening of adhesives, sealants, and potting compounds prior to automotive PPAP submission.
- Service life modeling of wire insulation materials under IEC 60216 thermal class assessment protocols.
- Validation of shelf-life claims for medical device packaging components subjected to accelerated thermal stress.
- Baseline thermal endurance testing for aerospace-grade elastomeric O-rings per SAE AMS3675.
FAQ
Is this a xenon arc weathering tester?
No. The JH-SN-900 is a forced-air thermal aging chamber—not a solar radiation simulator. It does not incorporate xenon lamps, UV filters, or humidity control. For UV exposure or combined light/moisture testing, refer to dedicated xenon-arc or QUV systems.
Does it support humidity control?
No. This model maintains only dry-heat conditions. Relative humidity is not regulated; ambient RH must remain ≤85% during operation.
Can it be validated per IQ/OQ protocols?
Yes. The chamber’s mechanical design, temperature uniformity profile, and controller calibration points align with common Installation Qualification (IQ) and Operational Qualification (OQ) templates used in regulated industries. Third-party sensor mapping and calibration certificates are obtainable upon request.
What maintenance is required?
Routine inspection of air intake filters, verification of door gasket integrity, and annual calibration of the reference PT100 sensor are recommended. No consumables or lamp replacements are involved.
