Thermal Shock Test Chamber – TEMI880/TEMI300 Programmable Environmental Test System

Overview

The Thermal Shock Test Chamber is an engineered environmental stress screening (ESS) platform designed for rapid, repeatable, and highly controlled temperature transitions between extreme high- and low-temperature zones. Utilizing a dual-chamber or single-chamber with lift-type basket mechanism architecture, it subjects electronic components, aerospace composites, automotive ECUs, and polymer-based assemblies to abrupt thermal gradients—enabling accelerated detection of latent defects such as solder joint fatigue, delamination, seal failure, and coefficient-of-thermal-expansion (CTE) mismatch. The system operates on the principle of mechanical thermal inertia isolation: separate hot and cold zones maintain stable setpoints while the test specimen undergoes programmable transfers (typically ≤5 seconds), ensuring minimal thermal lag and high reproducibility across qualification cycles. Designed for compliance-driven laboratories, it supports deterministic test profiles per IEC 60068-2-14 (Change of Temperature), MIL-STD-810H Method 503.5, and GB/T 2423.22—making it suitable for AEC-Q200, JEDEC JESD22-A104, and IPC-9701 validation protocols.

Key Features

• Dual independent temperature control zones (hot chamber: +60 °C to +180 °C; cold chamber: −70 °C to +10 °C) with real-time PID tuning and auto-tuning capability
• TEMI880 7-inch full-color capacitive touchscreen controller with intuitive drag-and-drop profile programming, data logging (≥10,000 points), USB export, and bilingual UI (English/Chinese)
• TEMI300 membrane-keypad alternative for cost-sensitive or GMP-regulated environments requiring simplified operator interface and audit-trail compatibility
• Balanced Temperature & Humidity Control (BTSC) algorithm ensures precise stabilization without overshoot during ramp phases
• Triple-layer insulation: 150 mm polyurethane rigid foam core + secondary ultra-fine glass fiber blanket + vapor barrier film for thermal leakage <0.8 K/h at −65 °C
• High-efficiency air circulation: forward-curved multi-wing centrifugal blower delivering ≥1.2 m/s uniform airflow velocity across entire test volume (IEC 60068-3-5 compliant)
• Comprehensive safety architecture: redundant thermocouple monitoring, compressor high-pressure switch, heater dry-run cut-off, and silicone rubber dual-lip door gasket rated for −70 °C to +200 °C continuous operation

Sample Compatibility & Compliance

The chamber accommodates standard test specimens up to 500 mm × 500 mm × 500 mm (W×D×H) with adjustable stainless-steel sample racks (two sets included). Optional accessories include calibrated PT100 sensor ports (φ50 mm, left-side mounted), quartz observation window with anti-fog coating, and integrated LED lighting compliant with Class II electrical safety standards. All models meet electromagnetic compatibility (EMC) requirements per EN 61326-1 and are CE-marked. For regulated industries, firmware supports 21 CFR Part 11-compliant user access levels, electronic signature logging, and immutable audit trails when paired with validated PC software. Calibration certificates traceable to NIST or DAkkS are available upon request.

Software & Data Management

The included Windows-based control software enables remote monitoring, real-time graphing (temperature vs. time), multi-channel data overlay, and automated report generation in PDF/Excel formats. It supports CSV export for integration with LIMS platforms and includes built-in statistical process control (SPC) tools for Cp/Cpk calculation across test runs. Firmware updates are delivered via secure HTTPS channel with SHA-256 verification. All logged data—including timestamps, setpoints, actual values, alarm events, and operator IDs—are stored in encrypted binary format with write-protection to prevent tampering—meeting GLP/GMP documentation integrity requirements.

Applications

This thermal shock system is routinely deployed in reliability engineering labs for: accelerated life testing of PCBAs and wafer-level packages; qualification of battery modules under extreme thermal cycling; validation of medical device housing seals per ISO 11607; evaluation of adhesive bond strength in structural composites; and screening of optical lens coatings for microcracking. It serves Tier-1 automotive suppliers performing GM W317772 or Ford ES-XW7T-1A278-AC testing, as well as semiconductor foundries executing JEDEC JESD22-A106B (cold-to-hot transition) and JESD22-A104D (hot-to-cold transition) protocols.

FAQ

What is the typical temperature transition time between chambers?

Standard models achieve ≤5 seconds for specimen transfer between hot and cold zones, verified per IEC 60068-2-14 Annex B.

Does the system support humidity control during thermal shock?

No—this is a dry thermal shock chamber. Humidity functionality is excluded to maintain mechanical reliability and avoid condensation-induced failures during rapid transitions.

Can the controller be validated for FDA-regulated environments?

Yes. The TEMI880 firmware supports IQ/OQ documentation templates and meets 21 CFR Part 11 requirements when configured with password-protected user roles and electronic signature workflows.

What maintenance intervals are recommended for the refrigeration system?

Compressor oil and filter-drier replacement every 24 months; annual calibration of all PT100 sensors and pressure transducers by accredited service technicians.

Is third-party calibration certification included with purchase?

Factory calibration is performed pre-shipment. DAkkS/NIST-traceable calibration certificates are available as optional add-ons with documented uncertainty budgets.