Low-Pressure and Temperature Testing

1 m³ High Altitude Simulation Test Chamber

Simulate low-air-pressure environments while controlling temperature for aerospace, automotive and electronic assemblies.

1 m³Working volume

101–1 kPaPressure range

−70°C to 100°CUnloaded range

Water-CooledRefrigeration

Verified Technical Parameters

Internal dimensions	1000 × 1000 × 1000 mm (W × D × H), 1 m³
Temperature	-70°C to +100°C unloaded; -55°C to +100°C with load
Fluctuation / uniformity	±0.5°C / ±2°C
Heating / cooling	Average 1°C/min; stated loaded condition uses 15 kg between -55°C and +85°C
Pressure	101 kPa to 1 kPa; stated pressure accuracy ±5%
Control sequence	Adjust temperature first, then evacuate; programmable temperature and pressure cycles
Cooling	Water-cooled system

Selection note: Specify the required pressure profile directly in kPa. Any equivalent-altitude value must be calculated using the atmosphere model required by the applicable test method.

What Must Be Defined

Pressure profile

Set minimum pressure, dwell, evacuation/recovery rate and whether rapid decompression is required.

Thermal load

Declare specimen mass, energized heat dissipation and cable feedthroughs.

Method tolerance

Confirm sensor positions, stabilization definition, pressure accuracy and exact standard procedure.

Standards Context

Potential references include IEC 60068-2-13 for low air pressure and MIL-STD-810 Method 500 for altitude. Aerospace equipment may use RTCA DO-160 Section 4, while packaging programs may cite ASTM D6653. These methods are not interchangeable. Suitability must be checked against the exact edition, procedure and pressure profile.

See the altitude chamber category or the dedicated battery altitude simulation chamber.

Frequently Asked Questions

What pressure can this configuration reach?

The verified technical table states 101 kPa to 1 kPa.

Can temperature and pressure be programmed together?

Yes. The stated control method conditions temperature before evacuation and supports cyclic parameters.

How should pressure be converted to an altitude value?

Use the atmosphere model required by the applicable test method rather than treating pressure and altitude as interchangeable specifications.

Can energized devices be tested?

Yes, if heat load, feedthroughs and safety risks are defined before sizing.

Is rapid decompression included?

It should not be assumed. Required transition time and pumping capacity must be specified.

Which standard does it comply with?

Compliance is method-specific; provide the exact standard edition and procedure for review.

What utilities are required?

Confirm electrical service, cooling-water quality/flow, exhaust, floor loading and service clearance.

What is needed for selection?

Provide specimen, profile, pressure rate, temperature range, load, ports and acceptance tolerances.

Validate Your Pressure–Temperature Profile

Send the exact method and specimen information for a pump-down and thermal-capacity review.

Request Configuration Review

Internal dimension (WDH)	100010001000mm
Temperature range	-70~+100℃(no load);-55~+100℃(with load)
Temperature fluctuation	±0.5℃
Temperature uniformity	±2℃
Ambient Humidity	≤85%RH
Cooling speed	≥1℃/min in average (with loading 15kg,+85℃~-55℃ )
Heating speed	1℃/min in average (with loading,-55℃~+85℃)
Pressure Range	101Kpa~1Kpa
Pressure Accuracy	±5%
Pressure Control Method	Adjust temperature first, then pump vacuum
Internal chamber material	Steel plate with plastic spray
External chamber material	Stainless steel
Cooling method	Water Cooler
Controller	LCD touch screen, programmable control temperature and Pressure Can set different parameter for cyclic test
Insulation material	Compound material without sweating, special for low pressure
Heating Method	Electrical
Compressor	Imported new generation with low noise
Safety protection device	Protection for leakage Over-temperature Compressor over voltage and overload Heater short circuit

1. Q: What is a high altitude simulation test chamber used for?
A: It's used to test how products (like avionics, car batteries, and electronics) perform in low-pressure, high-altitude conditions, simulating environments up to 100,000 feet to ensure safety and reliability.

2. Q: How does a high altitude test chamber work?
A: It uses powerful vacuum pumps to remove air, creating a precise low-pressure environment inside the chamber that replicates the thin air found at high altitudes.

3. Q: What are the key specifications for an altitude simulation chamber?
A: Key specs include altitude range (e.g., up to 100,000 ft), pressure range, chamber volume, temperature range, and optional features like humidity or vibration control.

4. Q: Which industries require high altitude testing?
A: Key industries are Aerospace (for aircraft components), Automotive (for EV batteries), Electronics (for consumer devices), and Medical (for device packaging).

5. Q: What standards do altitude test chambers comply with?
A: Reputable chambers comply with standards like MIL-STD-810 for military equipment, IEC 60068 for electronics, and ASTM D6653.

6. Q: High altitude test chamber price?
A: Pricing varies significantly based on size, features, and customization. Standard models start around $8000, while large, fully-featured systems can cost $15000+.

7. Q: What is rapid decompression testing?
A: It's a test that simulates a sudden loss of cabin pressure, a critical safety check for aerospace components, which can be performed in specialized altitude chambers.

8. Q: How to choose a manufacturer for a vacuum altitude chamber?
A: Look for proven experience, compliance with your industry standards, customizable options, reliable after-sales support, and a strong track record in your region.

9. Q: Can you test both temperature and altitude simultaneously?
A: Yes, many advanced chambers, often called "Thermal Vacuum Chambers," combine precise low-pressure and wide temperature range controls for more realistic environmental testing.

10. Q: What is the lead time for a custom high altitude simulation chamber?
A: Lead times vary, but standard models typically ship in 8-12 weeks, while custom-designed chambers can take 3-6 months or more from order confirmation.