Suying SY-500 High-Low Temperature Alternating Environmental Test Chamber

Overview

The Suying SY-500 High-Low Temperature Alternating Environmental Test Chamber is an engineered precision platform for accelerated environmental stress testing of electrical, electronic, automotive, and material components under controlled thermal cycling conditions. It operates on the principle of forced-air convection with dual independent refrigeration and heating circuits, enabling precise, repeatable transitions between extreme temperature setpoints—ranging from −70 °C to +180 °C—with optional humidity control (20–98% RH). Designed in accordance with international environmental testing standards—including IEC 60068-2-1 (cold), IEC 60068-2-2 (dry heat), and IEC 60068-3-5 (thermal performance verification)—the chamber supports both static and dynamic test profiles required for qualification, reliability screening, and design validation in industrial R&D and quality assurance laboratories.

Key Features

• Robust dual-wall construction: exterior cold-rolled steel with electrostatic powder coating; interior chamber lined with 1.5 mm thick SUS304B stainless steel for corrosion resistance and long-term dimensional stability;
• Optimized airflow architecture featuring rear-mounted centrifugal blower and multi-directional ducted air distribution, achieving ≤±0.5 °C temperature uniformity across the working volume at steady state (verified per GB/T 5170.2–2017);
• Patented arc-shaped structural design enhances mechanical rigidity while minimizing internal thermal bridging and condensation accumulation;
• Large observation window with integrated LED illumination and double-glazed low-emissivity glass enables real-time visual monitoring without compromising thermal integrity;
• Configurable sample support system with vertically adjustable stainless-steel shelves and standardized 50 mm-diameter cable/port access on the left side wall (sealable with silicone gasket);
• High-efficiency insulation combining rigid polyurethane foam (λ ≈ 0.022 W/m·K) and supplementary fine glass wool ensures low thermal leakage and energy-efficient operation over extended cycles.

Sample Compatibility & Compliance

The SY-500 accommodates a broad spectrum of physical specimens—from PCB assemblies and sensor modules to polymer composites, elastomeric seals, and automotive interior trim panels—without requiring custom fixtures. Its 500 L usable volume (W×D×H: 800 × 700 × 890 mm) provides sufficient spatial margin for airflow homogeneity and thermal mass equilibrium during rapid ramping. All operational parameters—including temperature setpoint accuracy, ramp rate linearity, and recovery time after door opening—are calibrated and verified against national and international metrological standards. The chamber meets essential requirements for GLP-compliant environmental testing environments and supports audit-ready documentation when integrated with validated data logging systems. It is routinely deployed in laboratories performing tests aligned with GB/T 2423.1 (cold), GB/T 2423.2 (dry heat), GB/T 2424.1 (combined temperature cycling guidance), and ISO 16750-4 (road vehicles—environmental conditions).

Software & Data Management

The SY-500 is equipped with a programmable touchscreen controller supporting up to 99 user-defined test programs, each with up to 99 segments (ramp/soak/humidity hold). Real-time logging records temperature (and optional humidity) at configurable intervals (1–60 s), storing ≥10,000 data points internally. Export is supported via USB or RS485 interface in CSV format for traceable post-processing. Optional Ethernet connectivity enables remote monitoring, alarm notification (email/SMS), and integration into centralized laboratory information management systems (LIMS). When paired with Suying’s certified validation package—including IQ/OQ documentation, uncertainty budgets, and calibration certificates traceable to NIM (National Institute of Metrology, China)—the system satisfies FDA 21 CFR Part 11 requirements for electronic records and signatures in regulated industries.

Applications

• Thermal shock evaluation of solder joints and die-attach interfaces in semiconductor packaging;
• Accelerated aging of polymer-based automotive interior materials under cyclic UV-irradiated thermal stress (when coupled with external solar simulators);
• Verification of hermetic seal integrity in MEMS devices and medical electronics;
• Qualification of battery module thermal management systems under extreme ambient cycling;
• Stability assessment of adhesives, coatings, and encapsulants used in aerospace avionics enclosures;
• Pre-compliance screening for IEC 60068-2-14 (change of temperature) and MIL-STD-810H Method 502.7 (low temperature) and Method 501.7 (high temperature).

FAQ

What is the standard temperature range of the SY-500 chamber?
The base configuration supports −70 °C to +180 °C. Extended low-temperature options down to −80 °C are available upon request with enhanced cascade refrigeration.

Does the chamber include humidity control?
Humidity capability (20–98% RH, ±2% RH accuracy) is optional and requires installation of a steam generator, water reservoir, and dedicated humidity sensor—configured at time of order.

How is temperature uniformity validated?
Uniformity is measured using nine calibrated PT100 sensors placed on a 3×3 grid per IEC 60068-3-5. A full validation report—including uncertainty analysis—is provided with each unit.

Can the SY-500 be integrated into an automated test cell?
Yes. Standard RS485 Modbus RTU and optional Ethernet/IP or Profibus-DP interfaces enable seamless PLC-level integration and synchronized triggering with external equipment such as power analyzers or vibration shakers.

Is third-party calibration and certification available?
Suying offers factory-issued calibration certificates traceable to NIM, as well as optional UKAS-accredited calibration through authorized partners for global regulatory acceptance.