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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