Walk in Test Chamber Relative Humidity

Walk in Test Chamber Relative Humidity

Customizable Walk-In Stability Chamber for Precise Temperature and Humidity Testing

Our Walk-In Stability Chamber is designed to meet the demanding needs of the industry, providing a controlled environment for large parts, semi-finished products, and finished products that require temperature and humidity testing. This versatile chamber is ideal for a wide range of applications, including computer terminals and automotive parts.

Key Features:

  1. Tailored Design: We offer customization according to your specific requirements, following industry standards such as JB/t4283-91 and GB/t14294-93. This chamber is primarily used to create and maintain a constant temperature and humidity space for various testing needs.

  2. Advanced Control: The chamber features fully automatic control of refrigeration, heating, dehumidification, humidification, and supplementary humidification water. This ensures precise and reliable control of temperature and humidity levels throughout the testing process.

  3. Optional Air Change Function: For added flexibility and safety, our device can be equipped with an optional air change function. This feature allows personnel to work inside the chamber for extended periods, even in the presence of volatile gases.


  • Temperature Testing: Ranging from -40°C to +120°C, our chamber ensures a wide testing range to meet various industry requirements.
  • Humidity Control: Achieve precise humidity levels ranging from 10% to 98%, enabling comprehensive environmental testing.


Our Walk-In Stability Chamber comprises essential components, including a control panel, distribution board, moisture storage board, air blower, heater, humidifier, and refrigerator.


● GB-2423.1-2008 (IEC68-2-1)Test A: Low Temperature Test

● GB-2423.2-2008(IEC68-2-2)Test B: High Temperature Test

● GJB360.8-2009(MIL-STD.202F) High Temperature Life Test

● GJBl50.3-2009(MIL-STD-810D) High Temperature Test

● GJBl50.4-2009 (MIL-STD-810D) Low Temperature Test

● GB2423.3-2008(IEC68-2-3)Test Ca: Constant Heat Test

● GB2423.4-2008(IEC68-2—30) Test Db: Damp Heat Alternative Test

● GJBl50.9-2009 (MIL-STD-810D) Damp Heat Test


Inner size W×H×D(cm) 250×220×200 (all size customize)
External size W×H×D(cm) 335×228×230
Temp & Humi Control Range Temp range: A:0℃~80℃ B: -40℃~80℃ C: -40℃~150℃ D: -70℃~150℃
Humi range: RH20%-98% (can customize 5%~98%)
Heating &Cooling speed 1.5℃/min or customize
Fluctuation ±0.5℃;±2.5%RH
Deviation ±0.5℃-±2℃;±3%RH(<75%RH); ±5%RH(≥75%RH)
Controller TEMI880, 990, 1500 or customize brands and models
Refrigerator Fully enclosed piston French Tecumseh compressor(or Semi-closed compressor)
Refrigerants Dupont(R23+R404)
Test hole *50mm, 100mm or customize
Power 3φ 380V AC±10% 50Hz


Advanced Features of Our Environmental Chamber

Experience the cutting-edge features of our Environmental Chamber, designed to provide unmatched versatility and precision for your testing needs.

1. Customizable Assembly: Our chamber is assembled using self-made storeroom boards, offering the flexibility to alter its dimensions and shape according to your specific requirements. Assembled on-site, it's easily transportable and relocatable for maximum convenience. The use of specially imported silicon rubber from Japan for sealing ensures exceptional tightness and durability. Employing frame structure design with integrated steel plates, the chamber exhibits outstanding insulation, perfect sealing, and exceptional resistance to a wide range of temperature and humidity conditions. Plus, it excels in heat retention, promising a long service life.

2. Non-Frost Operation: Our chamber guarantees non-frost operation and features an automatic defrosting loop, allowing for continuous operation even in low humidity and low-temperature settings.

3. Large Color Control Screen: A prominent 7-inch color control screen provides comprehensive monitoring and displays the chamber's operational status, ensuring you stay informed and in control.

4. Energy Efficiency: Automatic precooling and preheating temperature settings, based on a reset timer, optimize the chamber's performance, potentially saving up to 50% of energy compared to older models.

5. Precision and Uniformity: Our chamber is known for its low error rate, high wind speed, and consistent exposure of samples, ensuring accurate and uniform testing results.

6. Low Noise Design: With noise levels controlled under 72dB, we prioritize a quiet testing environment without compromising performance.

Applications :
- Aerospace Products
- Information Electronic Instrument and Meter
- Ekectric and Elctronic Product
- All kind of Electronic Gas Parts
- New Material and new Sources of Energy
- Vehicle

Experience the superior capabilities of our Environmental Chamber, designed to meet the most demanding testing requirements in various industries. Contact us today to discuss how our chamber can be tailored to your specific needs.

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