Key Advantages：
Capacity：0.5 m³ to 2.65 m³(Customizable)
High Vacuum Level (mbar)：1.0×10⁻⁷
No-load Vacuum Level (mbar)：5×10⁻⁷ mbar(Room temperature)
Vacuum Cube Leak Rate：1×10−9std/cc/sec
Temperature Range： -190°C(LN2 cooling) to 200°C
Temperature Uniformity：±2℃
Patent Number: CN202510795397.6
Stable pressure control across multiple vacuum ranges
Designed for space simulation and aerospace qualification
Supports thermal cycling under vacuum conditions
Key Specifications of Thermal Vacuum Test Chamber：
| Serial number | Capacity ( m3 ) | 0.402 | 0.785 | 2.65 |
| 1 | Model | EZKT 1000-5 | EZKT 1200-5 | EZKT 1700-5 |
| 2 | Thermal Shroud Internal Dimensions (mm) (straight cylindrical section) | ø 800×800 | ø 1000×1000 | ø 1500×1500 |
| 3 | Vacuum Chamber Internal Dimensions (mm) (straight cylindrical section) | ø 1000×1000 | ø 1200×1200 | ø 1700×1700 |
| 4 | Thermal Plate Dimensions (mm) | 600×500 | 800×700 | 1300×1200 |
| 5 | High Vacuum Level | 1.0×10−7 Torr（1.33×10−7 mbar） | ||
| 6 | No-load Vacuum Level (mbar) | 5.0×10−7(Room temperature) | ||
| 7 | Pressure Regulation in Multiple Ranges (mbar/Torr) | Stable pressure operation under the following levels 1.0×10-2 , 1.0×10-3 , 1.0×10-4 , 1.0×10-5 , 1.0×10−6 (Room temperature) | ||
| 8 | Vacuum Cube Leak Rate | ≤ 1×10-9 std/cc/sec | ||
| 9 | Refrigeration Mode | A：Thermal sink + Cold plate B：Thermal sink +Heating cage C: Liquid nitrogen thermal sink+ Heating cage | ||
| 10 | Temperature Range | Gaseous Nitrogen Control: -180°C to 200°C Mechanical Refrigeration: -80°C to 150°C Flooded Liquid Nitrogen : -190°C | ||
| 11 | Temperature Uniformity | ±2℃ (Measured at any point on the heat sink and cold plate under stable conditions in a vacuum environment) | ||
| 12 | Temperature Rising / Falling Speed Rate | -70℃ to 100℃ ≥ 3℃/min 100℃ to -50℃ ≥ 3℃/min (By Mechaincal cooling) | ||
| 13 | Temperature Rising / Falling Speed Rate -Optional | -150℃ to 125℃ ≥ 3℃/min 125℃ to -150℃ ≥ 3℃/min (By pressurized GN2 reciculation) | ||
| 14 | Vacuum Acquisition System | Mechanical Pump / Roots Pump / Molecular Pump / Cryopump | ||
| 15 | Power | AC380V 3phase 5lines 50/60Hz | ||
| 16 | We possess the technical expertise to address integrated temperature-humidity control challenges in low-pressure environments. Contact our sales team for scenario-specific solutions. | |||
Opening：
The Thermal Vacuum Test Chamber (TVAC) is designed to simulate the extreme conditions of outer space by combining high vacuum and wide temperature ranges in a controlled environment.
By recreating vacuum conditions and thermal cycling simultaneously, it enables accurate testing of satellites, aerospace components, and high-reliability electronics before deployment. This testing is essential to ensure performance in space, where hardware must operate under high vacuum and extreme thermal fluctuations.
Working Principle：
The chamber combines:
Vacuum pumping system (to achieve ultra-low pressure)
Thermal shroud or cold plate (for temperature control)
Heating system (for high-temperature simulation)
Under vacuum conditions, heat transfer occurs mainly through radiation instead of convection, accurately replicating space environments where air is absent.
Designed for Space Simulation Testing：
Thermal vacuum testing enables engineers to evaluate:
Thermal deformation of structures
Material outgassing behavior
Electronic performance under vacuum
Thermal balance and heat dissipation
This process is essential for pre-launch qualification of aerospace systems and ensures mission reliability.
Thermal Vacuum vs Thermal Cycling:
| Feature | Thermal Vacuum | Thermal Cycling |
|---|---|---|
| Environment | Vacuum + temperature | Air environment |
| Heat Transfer | Radiation | Convection |
| Application | Space & aerospace | Electronics |
| Standard | ECSS / MIL-STD-1540 | JESD22 |
Why Choose TestEQ:
Expertise in advanced environmental simulation systems
Proven solutions for aerospace & high-end laboratories
Stable vacuum and thermal control technology
Custom engineering for complex testing requirements
Reliable performance under extreme conditions
Optional Configurations
Liquid nitrogen cooling (LN₂ boost to -190°C)
Solar radiation simulation system
Multi-zone thermal control
Large-scale customized chambers
Remote monitoring & data acquisition system
FAQ:
What is a thermal vacuum test chamber?
A thermal vacuum chamber simulates space conditions by combining high vacuum and extreme temperature environments for reliability testing.
What is thermal vacuum testing used for?
It is mainly used for satellite, aerospace, and space electronics testing before launch.
What vacuum level is required for space simulation?
Typical thermal vacuum testing requires vacuum levels around 10⁻⁶ to 10⁻⁷ mbar depending on application.
What is the difference between thermal vacuum and thermal shock?
Thermal vacuum combines vacuum + temperature, while thermal shock focuses on rapid temperature change only.
How to choose a thermal vacuum chamber?
Key factors include:
Vacuum level
Temperature range
Chamber size
Test standards
Application (satellite, materials, electronics)
Standards Supported
1.Military:
•MIL-STD-810H (Method 501.7, 502.6), MIL-STD-1540E (Space Vehicle Requirements).
2.European Space:
•ECSS-E-ST-10-03C (Thermal Vacuum Testing), ECSS-Q-ST-70-02C (Contamination Control).
3.Commercial:
•NASA-HDBK-6022 (Materials Compatibility), ISO 14644-1 (Cleanroom Class 100–100,000).
4.Industry-Specific:
•GSFC-STD-7000 (Goddard Space Flight Center), JAXA-STD-003 (Japan Aerospace).
Applications:
This thermal vacuum chamber is widely used in:
Satellite and spacecraft testing
Aerospace component validation
Space electronics and payload testing
Material outgassing and vacuum compatibility testing
Optical systems and sensor calibration
Battery and thermal management system testing
Thermal vacuum testing is critical for verifying spacecraft performance before launch and ensuring reliability in space environments
Call To Action:
"Request a customized thermal vacuum testing solution today"
Our engineers will help you design a chamber tailored to your aerospace or laboratory requirements.
We will contact you within 1 working day, please pay attention to the email with
the suffix "@test-eq.com".
We will contact you within 1 working day, please pay attention to the email with the suffix "@test-eq.com".
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