Large Walk-in Aging Chamber
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TheLarge Walk-In Aging Chamberis designed for long-duration temperature and humidity environmental testing of complete products and large assemblies. You use this system to simulate high temperature, low temperature, constant humidity, and alternating humidity conditions in order to evaluate product stability, reliability, and long-term performance. It is widely applied in automotive, aerospace, power electronics, computer, and communications industries to help you identify design weaknesses, improve product quality, and enhance overall reliability under real-world environmental stresses.
Application
This equipment is suitable for environmental aging and reliability testing in the following scenarios:
Product development validation and design verification
Reliability assessment during mass production
Failure analysis under extreme temperature and humidity conditions
Long-term burn-in and aging tests
Typical tested products include:
Complete computers, servers, and terminals
Displays, monitors, and control panels
Automotive electronic control units and modules
Power supplies, chargers, and switch-mode power adapters
Communication equipment and network devices
Aerospace and marine electronic assemblies
Standards
The Large Walk-In Aging Chamber complies with the following national, military, and international standards:
GB/T 5170.2-2008– Temperature Test Equipment
GB/T 5170.5-2008– Humidity and Heat Test Equipment
GB/T 2423.1-2008 (IEC 60068-2-1)– Environmental Testing – Low Temperature Test Method A
GB/T 2423.2-2008 (IEC 60068-2-2:2007)– Environmental Testing – High Temperature Test Method Bb
GB/T 2423.3-2006 (IEC 60068-2-78:2007)– Constant Damp Heat Test Method Cab
GB/T 2423.4-2008 (IEC 60068-2-30:2005)– Alternating Damp Heat Test Method Db
GJB 150.3-1986– High Temperature Test
GJB 150.4 (MIL-STD-810D)– Low Temperature Test
GJB 150.9-1986– Humidity and Heat Test
GJB 4.5-1983– Constant Humidity and Heat Test for Marine Electronic Equipment
GJB 4.6-1983– Alternating Humidity and Heat Test for Marine Electronic Equipment
GJB 367.2-1987– Environmental Test Methods for Communication Equipment – Humidity and Heat
GJB 360.8-1987 (MIL-STD-202F)– High Temperature Life Test
GB 10592-2006– Technical Specifications for High and Low Temperature Test Chambers
GB/T 10589-2008– Technical Specifications for Low Temperature Test Chambers
GB/T 10586-2006– Technical Specifications for Humidity and Heat Test Chambers
Parameters
| Item | Specification |
|---|---|
| Standard Volume | 5.1, 10, 15, 20, 25, 30, 34, 40 m³ |
| System | Balanced temperature & humidity control mode |
| Chamber Material | Polyurethane foam composite panel (outer wall: spray-coated galvanized steel sheet; inner wall: stainless steel sheet) |
| Temperature Range | Max temperature: +85℃; Min temperature: 0℃, -20℃, -40℃, -60℃, -70℃ |
| Humidity Range | 30%~95% RH |
| Refrigeration Method | Mechanical compression cascade refrigeration |
| Refrigerator | Compressor (using France Tecumseh hermetic compressor or Germany Bitzer semi-hermetic compressor) |
| Cooling Method | Water-cooled (air-cooled optional for small systems) |
| Heater | High-quality nickel-chromium alloy heater |
| Humidifier | Stainless steel sleeve-type humidifier |
| Cooling Circulating Water | Cooling water pressure: 0.1~0.3 Mpa; Water temperature: ≤25℃ |
| Blower | Centrifugal fan |
| Temperature Sensor | PT100 platinum resistor |
| Door Observation Window | Heated film insulating glass |
| Controller | Japanese touch-type LCD display controller |
| Safety Devices | Over-temperature protection, leakage protection, dry burning protection, water shortage protection (humidification system), fan overload protection, compressor over-pressure/overload/over-current protection, phase sequence protection, fuse |
| Standard Accessories | Electric heating film insulating glass observation window, indoor lighting, cumulative timer |
| Optional Accessories | Additional chamber door (with observation window), observation window (mountable on test chamber wall), operation holes, handling ramp, floor reinforcement plate, floor protection, floor protection rubber pads, cable holes (φ25, φ50, φ80, φ100) |
Features
Precise and stable control of temperature and humidity over long aging cycles
Imported color touchscreen controller with intuitive operation
Computer connectivity for remote monitoring and data acquisition
High repeatability and reliable long-term operation
Optional low-humidity configuration for extended application range
Suitable for testing complete systems and large assemblies
Accessories
(1) Color touchscreen temperature and humidity controller
(2) RS-232C communication interface
(3) Computer monitoring and data acquisition software
(4) Optional low-humidity dehumidification unit
(5) Optional temperature and humidity recorder for curve output
Test Procedures
Place the product under test inside the walk-in chamber and ensure proper spacing for airflow.
Set the required temperature, humidity, and test duration parameters via the touchscreen controller.
Start the test program and allow the chamber to reach the preset environmental conditions.
Maintain stable environmental conditions throughout the aging test period.
Monitor real-time temperature and humidity data via the control system or connected computer.
Upon completion, stop the test and export recorded data for analysis and reporting.
Conclusion
TheLarge Walk-In Aging Chamberprovides a stable, precise, and scalable solution for environmental reliability testing of complete products and large assemblies. By simulating real-world temperature and humidity conditions, you can accurately assess long-term performance, uncover potential failures, and improve overall product quality. Its flexible configuration and compliance with multiple international standards make it an essential tool for manufacturing, R&D, and certification laboratories.
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