Custom-Built Rapid Temperature Transition Environmental Test Chamber
| Brand | OEM / Custom Manufacturer |
|---|---|
| Origin | Imported |
| Manufacturer Type | Authorized Distributor |
| Price Range | USD 14,000–25,000 (FOB) |
| Temperature Range | −70 °C to +150 °C |
| Humidity Range | 20–98% RH (optional: 5–98% RH) |
| Ramp Rates | 5–25 °C/min (selectable) |
| Temp. Uniformity | ±2 °C |
| Temp. Stability | ±0.5 °C |
| Humidity Uniformity | ±3.0% RH (at ≥75% RH) |
| Humidity Stability | ±2.5% RH |
| Internal Dimensions (W×H×D, cm) | 50×75×60 / 60×85×80 / 100×100×80 / 100×100×100 |
| Test Port | Ø50 mm (left-side, sealed feedthrough) |
| Refrigerant | R507/R23 (zero ODP, low GWP HFC blend) |
| Control System | 7-inch color LCD touchscreen, bilingual (EN/CN), PID auto-tuning, 96 programmable test profiles |
| Safety Protections | Overcurrent, ground fault, compressor high-pressure/overheat, door interlock, over-temperature, leakage current, phase failure detection |
| Compliance | GB/T 2423.1–2023, GB/T 2423.2–2023, GB/T 2423.22–2012, GJB 150.3A–2009, GJB 150.4A–2009, GB/T 10589–2018, GB/T 11158–2012, GB/T 10592–2023 |
Overview
The Custom-Built Rapid Temperature Transition Environmental Test Chamber is an engineered solution for accelerated thermal stress screening of electronic components, aerospace subsystems, automotive ECUs, and high-reliability packaging materials. Designed around a dual-stage cascade refrigeration architecture and precision forced-air convection, the chamber delivers controlled, repeatable, and traceable temperature transitions across extreme operating envelopes—from −70 °C to +150 °C—with ramp rates configurable up to 25 °C/min. Unlike standard thermal cycling chambers, this system integrates real-time thermodynamic feedback via distributed PT100 sensors, closed-loop PID control with adaptive tuning, and programmable dwell-hold-transition sequences—enabling compliance-driven test protocols such as MIL-STD-810H Method 503.7 (Temperature Shock) and JEDEC JESD22-A106 (Thermal Shock). Its structural core employs seamless SUS#304 stainless steel construction with insulated double-wall panels, minimizing thermal lag and ensuring long-term dimensional stability under repeated thermal expansion cycles.
Key Features
- Modular, non-standard design accommodates customer-specific specimen dimensions, interface requirements (e.g., power/data feedthroughs, optical access), and integration into automated test lines.
- Cascade refrigeration system utilizing hermetically sealed, low-noise compressors (imported from EU/US OEMs) and environmentally compliant R507/R23 refrigerant blend—zero ozone depletion potential (ODP = 0), low global warming potential (GWP < 3,990).
- 7-inch high-resolution TFT-LCD touchscreen controller with bilingual UI (English/Chinese), 96 independent test profile storage, and cycle logging with timestamped setpoint/actual curves.
- Programmable thermal transition parameters: ramp rate (5–25 °C/min), dwell duration (1 min–999 h 59 min), cycle count (1–999), and step-wise multi-segment profiles.
- Uniform airflow distribution via tangential blower assembly and optimized baffle geometry—validated to ±2 °C spatial uniformity per IEC 60068-3-5.
- Comprehensive safety architecture including dual-stage over-temperature cutoff, compressor discharge temperature monitoring, phase-loss protection, ground-fault interruption, and door-open interlock.
Sample Compatibility & Compliance
The chamber supports physical integration of DUTs up to 100 L internal volume (KS-TH-1000 model), with optional Ø50 mm left-side port for external cabling, sensor leads, or pneumatic/hydraulic feedlines—sealed with EPDM gasketing and rated IP54. All models comply with national and international environmental test standards, including GB/T 2423 series (equivalent to IEC 60068-2), GJB 150A (military-grade thermal shock), and GB/T 10592 (performance verification methodology). Design documentation includes calibration traceability to NIM (National Institute of Metrology, China) or equivalent ISO/IEC 17025-accredited labs. The system meets electromagnetic compatibility (EMC) requirements per GB/T 18268.1–2010 and electrical safety per GB 4793.1–2019.
Software & Data Management
The embedded controller logs real-time temperature and humidity data at user-defined intervals (1 s–60 s), storing up to 30 days of continuous operation history onboard. Export formats include CSV and PDF reports with digital signatures, supporting audit-ready documentation for GLP/GMP environments. Optional Ethernet or RS485 interfaces enable remote monitoring via SCADA-compatible protocols (Modbus TCP/RTU). Full data integrity is maintained through time-stamped event logging—including alarm triggers, mode changes, and manual overrides—meeting FDA 21 CFR Part 11 requirements for electronic records when paired with validated user-access controls and audit trail configuration.
Applications
- Qualification testing of PCBAs under rapid thermal cycling to identify solder joint fatigue, delamination, or CTE mismatch failures.
- Pre-conditioning of lithium-ion battery modules prior to safety validation (UN 38.3, IEC 62133).
- Reliability assessment of MEMS sensors, optical encoders, and RF front-end modules exposed to automotive under-hood thermal transients.
- Accelerated aging studies for conformal coatings, potting compounds, and encapsulants in avionics and medical device housings.
- Validation of thermal management systems in electric vehicle power electronics under simulated drive-cycle thermal loads.
FAQ
Can this chamber be integrated into an existing automated test system?
Yes—standard Modbus TCP and RS485 interfaces support seamless integration with PLC-based test orchestration platforms and MES systems.
Is calibration certification included with shipment?
A factory calibration report with measurement uncertainty budget is provided; NIST-traceable calibration certificates are available upon request (additional lead time and cost apply).
What is the typical lead time for a custom configuration?
Standard configurations ship within 8–10 weeks; fully customized builds (e.g., non-standard ports, extended temperature range, inert atmosphere option) require 14–18 weeks from PO confirmation.
Does the system support humidity profiling during thermal transitions?
Yes—humidity ramping is synchronized with temperature profiles within the specified 20–98% RH range; dew point control is available as an optional upgrade.
Are spare parts and technical support available globally?
All critical subassemblies (compressors, controllers, sensors) are stocked regionally; 24-month warranty includes remote diagnostics and on-site service contracts in APAC, EMEA, and North America.
