Walk-in Temperature & Humidity Test Chamber
Purpose-built for oversized samples and high-volume testing. Full-size walk-in access, customizable chamber dimensions, and stable temperature and humidity control across the entire working volume — engineered for photovoltaic, automotive and precision component testing, compliant with GJB, GB and MIL-STD-810 standards.
01 Key Features
- Graceful appearance with circularly shaped body, surface treated with mist strips, and plain handle — easy to operate, safe and reliable
- Rectangular double-paned viewing window with interior lights for observing samples under test
- Double-layer insulated airtight doors effectively insulate internal temperature
- Externally connectable water supply system for convenient humidifying pot refill and automatic recycling
- French Tecumseh compressor with environmentally friendly refrigerant R23 / R404A
- LCD display screen showing set point and actual value at the same time
- Control unit supports multi-segment program editing with ramp rates, temperature and humidity control
- Casters provided for easy mobility, with strong positioning screws
02 Test Standards Covered
- GJB 150.3-1986 High Temperature Test
- GJB 150.4-1986 Low Temperature Test
- GB/T 2423.1-2001 Low Temperature Test Method
- GB/T 2423.2-2001 Test B: High Temperature Test Method
- GJB 150.4 (MIL-STD-810D) Low Temperature Test Method
- GB/T 7141-2008 Plastic Heat Aging Test Method
03 Technical Specifications
Click any row to highlight it. Select the text to copy the value you need.
| Model | THR-volume (Temperature & Humidity Test Room, low-temperature options: A ~ F) |
| Inner Dimensions (cm) | Factory Direct | Internal Dimensions Customizable |
| Temperature Range |
Low Temperature (A: 25℃ B: 0℃ C: -20℃ D: -40℃ E: -60℃ F: -70℃) High Temperature 80℃ (80℃ ~ 200℃ is optional) |
| Humidity Range | 20% ~ 98% R.H. (10% ~ 98% R.H. / 5% ~ 98% R.H. is a special optional condition, need dehumidifier) |
| Indication Resolution / Distribution Uniformity of Temperature & Humidity | 0.1℃; 0.1% R.H. / ±2.5℃; ±3.5% R.H. |
| Control Accuracy of Temperature and Humidity | ±0.5℃; ±2.5% R.H. |
| Temperature Rising / Falling Velocity | Rising approx. 0.1 ~ 3.0℃/min; falling approx. 0.1 ~ 1.0℃/min (faster temperature change rate is optional) |
| Cooling System | Water-cooled or air-cooled |
| Protection Devices | Fuse-free switch, overloading protection switch for compressor, high and low voltage coolant protection switch, over-humidity & over-temperature protection switch, fuses, fault warning system, water short storage warning protection |
| Optional Accessories | Slope for cart, Recorder, Water Purifier, Dehumidifier |
| Compressor | French Tecumseh Brand, Germany Bizer Brand |
| Power | AC 380 V (±10%), 50/60 Hz, 3 phase 5 lines |
| Floor Loading | 600 kg/m² (uniform load) |
04 Product Details
Close-up views of the walk-in chamber — construction, internal structure, control system and installation.
05 Customization
Every walk-in chamber is designed around your lab. Chamber size, temperature and humidity range, door type, floor loading, access ramp and internal shelving can all be tailored to your sample and workflow.
06 About ASLI TEST
- Decades of experience in environmental test chamber manufacturing
- Installation, service and maintenance experience across global markets
- Equipment exported to more than 100 countries
- Every project receives full technical attention, regardless of scale
- Most of our team and resources dedicated to product quality and R&D
Tell us your sample size, quantity and test standard — we'll design the right walk-in chamber and send a free quote.
