Walk-in Rapid Temperature and Humidity Test Chamber
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The Walk-in Rapid Temperature and Humidity Test Chamber is engineered for comprehensive environmental stress screening of electronic components, electrical assemblies, instrumentation, and material specimens. This chamber performs accelerated reliability testing including thermal cycling, humidity exposure, and steady-state conditioning per international standards.
Primary applications include thermal shock validation, moisture resistance evaluation, dry heat testing, and temperature-humidity bias (THB) assessment for quality assurance programs. The chamber accommodates large-scale test articles such as complete electronic enclosures, automotive components, aerospace assemblies, and bulk material samples requiring walk-in accessibility.
This equipment serves as essential infrastructure for reliability engineering departments, third-party testing laboratories, and quality control facilities conducting compliance verification and product qualification testing.
Compliance Standards:
- IEC 60068-2-1 (GB/T 2423.1) “Environmental testing – Part 2-1: Tests – Test A: Cold”
- IEC 60068-2-2 (GB/T 2423.2) “Environmental testing – Part 2-2: Tests – Test B: Dry heat”
- IEC 60068-2-78 (GB/T 2423.3) “Environmental testing – Part 2-78: Tests – Test Cab: Damp heat, steady state”
- IEC 60068-2-30 (GB/T 2423.4) “Environmental testing – Part 2-30: Tests – Test Db: Damp heat, cyclic (12 h + 12 h cycle)”
- GJB150.4A “Laboratory environmental test methods for military material – Part 4 Low temperature test”
- GJB150.3A “Laboratory environmental test methods for military material – Part 3 High temperature test”
Technical Specifications:
- Working Volume: D 4000×W 3000×H 2200 mm
- External Dimensions: D 4600×W 4200×H 2580 mm (motor-free configuration reference)
- Container Height: 2600 mm
- Temperature Range: -30℃ to +120℃ (no load condition)
- Temperature Resolution: 0.01℃
- Humidity Resolution: 0.1% RH
- Temperature Fluctuation: ±0.5℃
- Temperature Deviation: ≤±2℃
- Temperature Uniformity: ≤2℃
- Heating Rate: 0.5 ℃/min (average, no load)
- Cooling Rate: Approximately 0.5 ℃/min (average, no load)
- Humidity Range: 20% to 95% RH
- Relative Humidity Deviation: ≤-3% to +2% RH (humidity >75% RH, with load); ≤±5% RH (humidity ≤75% RH, with load)