Yuelian YL-2231 Thermal Shock Test Chamber
| Brand | Yuelian |
|---|---|
| Origin | Guangdong, China |
| Manufacturer Type | Authorized Distributor |
| Country of Origin | China |
| Model | YL-2231 |
| Pricing | Available Upon Request |
Overview
The Yuelian YL-2231 Thermal Shock Test Chamber is an engineered environmental test system designed to evaluate material and component reliability under rapid, repetitive transitions between extreme high- and low-temperature conditions. Based on the two-zone (hot/cold) forced-air thermal shock principle, the chamber employs independent dual-compartment architecture with pneumatically actuated transfer mechanisms to achieve standardized temperature transition times—typically ≤15 seconds between zones per IEC 60068-2-14 and MIL-STD-810H Method 503.4. This configuration enables precise simulation of real-world thermal cycling stress encountered during transportation, storage, or operational use in aerospace, automotive, electronics, and industrial equipment sectors. The system supports both static (soak-based) and dynamic (transfer-based) thermal shock protocols, delivering controlled exposure to defined upper and lower temperature limits without intermediate ramping—thereby isolating thermal expansion/contraction-induced mechanical failure modes such as interfacial delamination, solder joint fatigue, sealant cracking, and polymer embrittlement.
Key Features
- Dual-zone stainless steel construction with insulated hot and cold chambers (typically −65 °C to +200 °C range, configurable per application)
- Pneumatic horizontal basket transfer mechanism ensuring repeatable positioning and minimized dwell time during zone transitions
- High-efficiency cascade refrigeration system with environmentally compliant R-404A/R-23 refrigerant blend
- Programmable controller with multi-segment profile capability, real-time monitoring, and alarm-triggered data logging
- Compliance-ready architecture supporting audit trails, user access levels, and electronic signature options for GLP/GMP environments
- Integrated over-temperature, over-pressure, and door interlock safety circuits meeting IEC 61000-6-2/6-4 EMC requirements
Sample Compatibility & Compliance
The YL-2231 accommodates test specimens up to 300 mm × 300 mm × 300 mm (W×D×H) with maximum payload of 20 kg per cycle. It is routinely deployed for qualification testing of PCB assemblies, semiconductor packages, battery modules, automotive ECUs, elastomeric seals, and coated metal substrates. The chamber meets essential requirements of international standards including IEC 60068-2-14 (Environmental testing – Part 2-14: Tests – Test N: Change of temperature), JIS Z 8702, and GB/T 2423.22–2012. Optional calibration certificates traceable to NIM (National Institute of Metrology, China) are available upon request. While not certified to UL or CSA as a standalone appliance, the unit may be integrated into facility-level safety systems compliant with NFPA 70E and ISO 13857.
Software & Data Management
The embedded controller features a 7-inch TFT touchscreen interface with intuitive menu navigation and password-protected parameter configuration. All test profiles—including soak durations, transition counts, dwell times, and temperature setpoints—are stored in non-volatile memory. Real-time trend graphs display chamber temperatures, basket position status, and alarm events. Data export is supported via USB 2.0 port in CSV format for post-processing in Excel or statistical analysis platforms. For regulated laboratories, optional software add-ons provide 21 CFR Part 11 compliance features: electronic signatures, role-based access control, audit trail generation (with timestamp, operator ID, and action type), and immutable record archiving. Raw sensor data (PT100 inputs) is sampled at 1 Hz and logged synchronously across all channels.
Applications
- Qualification of electronic enclosures and connectors subjected to diurnal temperature swings in outdoor deployments
- Evaluation of adhesive bond integrity in multi-material assemblies (e.g., glass-to-metal, plastic-to-aluminum)
- Accelerated aging studies of elastomers, thermoplastics, and conformal coatings used in automotive under-hood applications
- Reliability screening of lithium-ion battery cells and modules prior to pack integration
- Verification of hermetic seal performance in MEMS devices and medical implant housings
- Process validation support for reflow soldering, potting, and thermal interface material (TIM) curing steps
FAQ
What temperature ranges are standard for the YL-2231?
Standard configurations support −65 °C to +200 °C; extended low-temperature options down to −75 °C and high-temperature variants up to +225 °C are available upon engineering review.
Does the system include calibration documentation?
Yes—factory calibration reports covering temperature uniformity, stability, and transition time verification are provided. NIST-traceable recalibration services are offered annually.
Can the YL-2231 be integrated into a centralized lab management system?
It supports Modbus RTU (RS-485) communication protocol for remote status polling and basic command execution; full SCADA integration requires third-party middleware.
Is the chamber suitable for testing liquid-filled samples?
No—only solid, dry, non-volatile, and non-corrosive specimens are permitted. Condensation-sensitive or volatile-content materials require pre-conditioning and containment per internal SOPs.
What maintenance intervals are recommended?
Refrigeration oil and filter replacement every 2,000 operating hours; door gasket inspection and cleaning quarterly; full preventive maintenance by certified technician annually.
