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This 990L rapid temperature change and humidity test chamber is engineered for high-speed temperature cycling from -72°C to +150°C with linear rates up to 15°C/min. It is designed to meet the stringent requirements of industries such as automotive, aerospace, and electronics for environmental stress screening and reliability validation.
| Test Volume | 990L |
| Chamber Dimensions (W×D×H) | 1100×950×950 mm |
| Overall Dimensions (W×D×H) | 1300×2770×2140 mm |
| Temperature Range | -72℃ ~ +150℃ |
| Temperature Uniformity | ≤2℃ |
| Temperature Fluctuation | ±0.5℃ |
| Temperature Deviation | ±2℃ |
| Heating Rate | 15℃/min (linear within -55℃ ~ +125℃) |
| Cooling Rate | 15℃/min (linear within -55℃ ~ +125℃) |
| Cooling Method | Water-cooled |
| Power Supply | AC380V ±10%, 50Hz ±1, 3-phase 4-wire + grounding (3/N/PE), grounding resistance <4Ω |
| Max System Power | Approx. 84.6 kW (subject to final engineering design) |
| Max System Current | Approx. 146 A (subject to final engineering design) |
| Applicable Standards | GB/T 2423.1, GB/T 2423.2, GB/T 2423.22, GJB 150.3, GJB 150.4, IEC 60068-2 |
This model is available with adjustable temperature change rates from 3~30°C/min (linear and non-linear), and options for 10~40°C/min. Customization of test volume and additional features are available on request.
Inner chamber: SS304 stainless steel for corrosion resistance and easy cleaning.
Outer casing: Powder-coated carbon steel for durability and an attractive finish.
This chamber is suitable for environmental reliability testing in:
It is used to simulate rapid temperature and humidity variations to assess product reliability and performance under extreme environmental stress, commonly in electronic and automotive industries.
The chamber operates from -72°C to +150°C, with heating and cooling rates up to 15°C/min (linear) within -55°C to +125°C. The rate can be customized.
Water-cooling provides more efficient heat removal than air-cooling, enabling higher cooling rates and more stable control, especially during demanding cycling tests.
Yes, it complies with IEC 60068, GB/T 2423, and GJB 150 series standards, making it suitable for global applications.
Yes, we offer customization of test volume, temperature change rates, and control options according to your specific requirements.
The chamber requires AC380V ±10%, 50Hz, 3-phase 4-wire power with grounding. The maximum power consumption is approximately 84.6 kW.
The chamber is equipped with overheat protection, airflow loss alarm, smoke detection, and automatic room temperature recovery after test completion.
Delivery time varies based on specifications and customization; please contact us for a specific schedule.
For pricing, lead time, and configuration details, please contact us:
Main image: rapid-temperature-change-humidity-test-chamber-990l-15c-front.png – Front view of the chamber.
Alt: Rapid Temperature Change Humidity Test Chamber 990L 15°C/min front view
