Key Advantages：
Temperature Altitude Chamber
Temperature Range: -70°C to +180°C
Altitude Simulation: Sea level to 43,000m (110-0.1 kPa)
Rapid decompression: Achieve 10,000m pressure differential (2,500m → 12,500m) within 15 seconds
Humidity Range: 10% to 98% RH
Chamber Capacity: 0.125 to 8.9 m³ (customizable)
Noise test：≤ 68dB
Innovation Patent Number: CN202310792763.3
Key Specifications of altitude test chamber:
| Serial number | Capacity (m³) | 0.125 | 0.512 | 0.8 | 1.0 | 2.16 | 8.9 | |
| 1 | Model | Altitude Test Chamber | EQT125-70W | EQT512-70W | EQT800-70W | EQT1000-70W | EQT2160-70W | EQT9.0-70W |
| 2 | Dimension | Internal Dimension WxHxD (mm) | 500x500x500 | 800x800x800 | 1000x1000x800 | 1000x1000x1000 | 1800x1000x1200 | 1730x1980x2600 |
| External Dimension WxHxD (mm) | 900x1680x1750 | 1200x1880x2050 | 1400x2080x2050 | 1400x2180x2250 | 2200x2180x2570 | 2130x2440x4673 | ||
| 2 | Pressure | Pressure range | Normal pressure~0.5Kpa ( 500pa） | |||||
| Pressure error | ≦±2kpa Ordinary pressure ~ 40kpa ≦±5kPa (40kPa to 4kPa) ≦±0.1kpa (4kPa to 1kPa ) | |||||||
| Depressurization time | From site level to 15250m in 10min From site level to 22860m in 20min From site level to 30500m in 30min | |||||||
| Rapid decompression time | 75.2kPa~18.8kPa≦15s (Optional) | |||||||
| Explosive decompression time | 75.2kPa~18.8kPa≦0.1s (Optional) | |||||||
| 3 | Temperature | Temperature range | -70℃to +180℃(200℃is Optional) | |||||
| Temperature fluctuation | ≦±0.5℃(Normal pressure, no load, constant state) | |||||||
| Temperature uniformity | ≦±2.0℃(Normal pressure, no load, constant state) | |||||||
| 4 | Heating rate- support customize | 2℃/min | 2℃/min | 2℃/min | 2℃/min | 2℃/min | 2℃/min | |
| 5 | Cooling rate- support customize | 3℃/min | 3℃/min | 1 ~ 3℃/min | 1 ~ 3℃/min | 1 ~ 3℃/min | 1 ~ 3℃/min | |
| 6 | Humidity | Humidity range | 10%RH ~98% RH | |||||
| Humidity uniformity | ±1.0% RH | |||||||
| Relative humidity deviation | ≦±2.0 to 3.0% RH (humidity >75%RH) ≦±5.0% RH (humidity≦75%RH) | |||||||
| 7 | Aprroximate weight(kg) | 850 | 1500 | 1900 | 2000 | 3500 | 9520 | |
| 8 | Marked | 1、The external dimensions and noise level do not include the vacuum pump unit (operating temperature range: -40°C to +85°C). 2、Optional low-pressure and low-temperature humidity control equipment is available (Our company possesses the technical capability to simultaneously meet temperature and humidity control requirements under low-pressure conditions). 3、Other dimensions accept customize, details parameter need contact with Sales team | ||||||
| 9 | We possess the technical expertise toaddress altitude test chamber control challenges.Contact our sales team for scenario-specific solutions. | |||||||
Opening:
The Altitude Test Chamber is a specialized environmental simulation system designed to evaluate product performance under extreme atmospheric conditions. By recreating high-altitude environments with controlled pressure, temperature, and humidity, it helps engineers verify the reliability and safety of aerospace components, avionics, automotive electronics, defense systems, and other mission-critical products.
Through accurate environmental simulation and repeatable testing conditions, TestEQ altitude chambers enable manufacturers and laboratories to identify potential failures, improve product durability, and complete reliability qualification before products enter real-world applications.
What Is an Altitude Test Chamber?
An altitude test chamber is a laboratory testing system that simulates reduced atmospheric pressure conditions equivalent to high-altitude environments. The chamber controls key environmental parameters, including air pressure, temperature, and humidity, to reproduce conditions that products may experience during flight, transportation, or operation at elevated altitudes.
Unlike standard temperature chambers, altitude test chambers combine low-pressure simulation with environmental control capabilities, allowing engineers to evaluate performance changes, structural integrity, electrical reliability, and functional stability under challenging atmospheric conditions.
Core Advantages:
Simulates high altitude low pressure from sea level to 100,000 ft (or higher)
Wide temperature control range for thermal simulation
Stable pressure and temperature regulation system
Accurate and programmable altitude profiles
Designed for continuous long-term testing
Compliant with MIL-STD, IEC 60068, DO‑160, and other international standards
Customizable chamber size and control modes
Working Principle:
The altitude test chamber creates a low-pressure environmentusing vacuum pumps and pressure control systems while simultaneously controlling temperature with refrigeration and heating systems. Programmable profiles allow staged or continuous altitude simulations, helping replicate real-world flight conditions.
This dynamic simulation is crucial for validating product performance under pressure variations and thermal stress.
Altitude Chamber vs Temperature Chamber:
| Feature | Altitude Test Chamber | Temperature Chamber |
|---|---|---|
| Primary Focus | Pressure & altitude simulation | Temperature control |
| Typical Use | Aerospace, aviation testing | Electronics, materials testing |
| Standards | DO‑160, IEC 60068 | JESD22, MIL‑STD |
| Test Conditions | Low pressure & temp | Temp range only |
Altitude Test Chamber Applications and Validation Cases
Customer:
Aerospace / Satellite Manufacturer
Challenge:
Validate electronics under 8,000m altitude equivalent environment
Solution:
TestEQ temperature altitude chamber
Result:
Verified reliability under low pressure and temperature cycling conditions
Why Choose Our Altitude Test Chamber:
Advanced vacuum & pressure control technology
Stable operation under extreme testing conditions
Full compliance with industry standards such as MIL-STD‑810, IEC 60068, DO‑160
Optional remote monitoring and data logging
Custom solutions for aerospace and high-reliability industries
How to choose an altitude test chamber?
Choose based on:
Altitude range requirements
Temperature range & accuracy
Chamber volume
Test standards & protocols
Data logging and automation needs
Supported Altitude Testing Standards:
TestEQ altitude test chambers support a wide range of international and regional environmental testing standards for aerospace components, avionics, military electronics, automotive systems and advanced electronic products. The chambers can be customized for altitude simulation, low-pressure testing, temperature cycling and combined environmental qualification.
MIL-STD-810H Method 500
Military environmental testing standard for evaluating equipment reliability under high-altitude and low-pressure conditions, widely used for defense and aerospace applications.
RTCA DO-160G Section 4
Aerospace environmental qualification standard defining altitude, temperature and pressure testing requirements for airborne electronic equipment.
IEC 60068-2-13
Environmental testing method for evaluating components and equipment under low air pressure conditions, including altitude simulation applications.
IEC 60068-2-41
Combined temperature and low-pressure testing method used to verify equipment performance under altitude-related environmental stresses.
GB/T 2423.25
Chinese environmental testing standard for combined temperature and pressure conditions to evaluate product reliability in simulated environments.
GB/T 2423.21
Environmental testing method for low-temperature conditions to assess equipment operation and durability under cold environments.
GB/T 2423.26
Environmental testing method for reduced air pressure conditions to evaluate product performance at simulated altitudes.
ASTM E595
Thermal vacuum outgassing test method used for aerospace and space materials to measure volatile emissions under vacuum conditions.
ISO 7137:1995
Aircraft environmental conditions standard defining qualification requirements for airborne equipment under temperature, altitude and pressure variations.
FAQ :
1.What is an altitude test chamber?
An altitude test chamber is an environmental test system designed to simulate the pressure and temperature conditions experienced at high altitudes. It is essential for aerospace, aviation, and defense reliability testing.
2.What conditions can an altitude test chamber simulate?
It can simulate low-pressure (vacuum) environments, wide temperature ranges, and programmable altitude profiles for ascent and descent scenarios.
3.What industries use altitude test chambers?
Common industries include aerospace, avionics, automotive, defense, and communication equipment testing.
4.What standards does this chamber meet?
The chamber complies with MIL‑STD‑810, IEC 60068, DO‑160, and can be configured for customer-specific requirements.
5. What is the difference between an altitude test chamber and a thermal vacuum chamber?
An altitude test chamber is mainly designed to simulate high-altitude atmospheric conditions by controlling pressure and temperature, while a thermal vacuum chamber provides a deeper vacuum environment for space simulation and thermal balance testing. The suitable system depends on the application requirements, test altitude level, and vacuum performance needed.
6. Can an altitude test chamber simulate temperature and pressure changes simultaneously?
Yes. A temperature altitude test chamber can simultaneously control temperature and low-pressure conditions to reproduce real high-altitude environments. This capability allows engineers to evaluate product reliability during altitude changes, thermal cycling, and extreme environmental conditions.
7. How high an altitude can an altitude test chamber simulate?
The simulation altitude depends on the chamber design and customer requirements. Advanced altitude test chambers can reproduce conditions equivalent to thousands of meters above sea level and can be customized for aerospace, aviation, defense, and electronic component testing applications.
8. How do I choose the right altitude test chamber for my application?
Selecting an altitude test chamber requires evaluating several factors, including required altitude range, temperature range, chamber volume, test standards, product size, and testing purpose. Engineers should consider whether the application requires only altitude simulation or combined temperature, humidity, and pressure testing.
Internal Linking Module
Recommended Equipment
Combined temperature and low-pressure simulation chamber designed for aerospace electronics, batteries, and reliability qualification under extreme environments.
Large-capacity altitude chamber supporting temperature, humidity and pressure control for aerospace systems, satellites, and defense equipment testing.
Related Standards
Learn the requirements of MIL-STD-810 altitude testing and how to simulate low-pressure environments up to 100,000 ft for product qualification.
Understand environmental qualification requirements for avionics equipment, including altitude, temperature, vibration and pressure testing.
Technical Resources
Comprehensive guide explaining how temperature altitude chambers work and how to select the right system for aerospace, electronics and battery testing.
Altitude Test Chamber Selection Guide: Key Factors Engineers Should Know
Explore the critical specifications, pressure control methods and performance factors when choosing an altitude test chamber.
Applications:
This altitude test chamber is widely used in:
Aerospace & aviation component testing
Satellite and spacecraft subsystem evaluation
Automotive high-altitude performance testing
Military & defense equipment qualification
Communication and RF system evaluation at high altitudes
Call To Action:
Need a Custom Altitude Test Chamber?
TestEQ offers standard and customized altitude test chambers for aerospace, electronics, automotive and military applications. From compact systems to large walk-in chambers, our engineers can help you find the right solution for your testing requirements.
"Request a custom altitude test chamber solution now"
Our test engineering team will help you determine the optimal configuration for your specific product and compliance 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".
P.IVA: 91441900MAECQJHY37 Guangdong Test EQ Equipment Co., Ltd. | All Rights Reserved
