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ATPH-D Series

ATMARS altitude chambers are custom-built environmental test chambers for simultaneous testing of temperature, low-pressure altitude and optional humidity conditions.

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What is an ALTITUDE TEST CHAMBER ?

An altitude chamber combines temperature and low-pressure altitude with optional humidity to test basic components or sub-assemblies for a variety of industries, such as defense, aerospace, avionics, automotive, electronics and others.

Here are two common appliations of an altitude test chamber :

- Testing of avionics or other aerospace equipment to simulate actual conditions it might experience

- Simulation of high-altitude conditions like might be found in mountainous regions and plateau

And such an altitude test chamber is especially important for defense and aerospace applications where pressure and vacuum conditions are even more intense. 

ATMARS can provide custom-built altitude chambers for simultaneous testing of temperature, low-pressure altitude and optional humidity conditions.

Our altitude/temperature and altitude/temperature/humidity chambers offer performance flexibility and reliablility for today's mixed-environment testing requirements with an overall temperature range of -70°C to +150°C, optional humidity capabilities of 20% to 98% RH and altitude up to 200,000 feet.


- Altitude Chambers Key Specifications

Workspace Volume: 250L, 500L, 800L, 1000L to walk-in/drive-in sizes

Temperature Range: -70°C to 150°C (at standard atmospheric pressure)

Optional Humidity Range: 20% to 98% RH (optional humidity control when altitude system is off)

Pressure Range: 0.5KPa to 101.325 KPa (standard atmospheric pressure)

Standard Altitude Range: site level to 100,000 feet (30,480m / 8.28 mm Hg / 8.28 Torr)

Optional Altitude Range: site level to 150,000 feet (45,720m / 1.10 mm Hg / 1.10 Torr) site level to 200,000 feet (60,960m / 0.169 mm Hg / 0.169 Torr)

Optional extended ranges are also available to simulate sea level testing when your site is significantly above sea level

Specifications of Altitude Chamber ATPH-D Series.jpg


- Benefits & Features

Heavy-duty metal sheet construction for harsh testing

Temperature, humidity and altitude combined environmental testing purposes for greater return of investment

Water cooled cooling system with semi-hermetic compressor

Balanced temperature and humidity control system (BTHC)

Robust vacuum system for reliable and flexible tests

viewing window with interior light and cable access ports available

Easy installation and operation (with touch screen controller)

USB, RS-485 or RS-232 serial communications

Optional humidity control when altitude system is off

Altitude test chamber interior size specified by customer (custom-built)


Altitude Chambers with Temperature & Humidity Control_ATMARS.jpg

- Test Standards Conformance

GB/T 2423.1-2008 Environmental testing - Part 2: Test methods - Tests A: Cold

GB/T 2423.2-2008 Environmental testing - Part 2: Test methods - Tests B: Dry heat

GB/T 2423.3-2016 Environmental testing—Part 2:Testing method—Test Cab: Damp heat,steady state

GB/T 2423.4-2008 Environmental testing for electric and electronic products - Part 2: Test method - Test Db: Damp heat, cyclic ( 12h+12h cycle)

GB/T 2423.21-2008 Environmental testing - Part 2: Test methods - Test M: Low air pressure

GB/T 2423.22-2012 Environmental testing - Part 2: Tests methods - Test N: Change of temperature

GB/T 2423.25-2008 Environmental testing - Part 2: Tests methods - Test Z/AM: Combined cold/low air pressure tests

GB/T 2423.26-2008 Environmental testing - Part 2: Tests methods - Test Z/BM: Combined dry heat/low air pressure tests

GJB 150.2A-2009 Laboratory environmental test methods for military material - Part2: Low pressure (altitude) test

GJB 150.3A-2009 Laboratory environmental test methods for military material - Part3: High temperature test

GJB 150.4A-2009 Laboratory environmental test methods for military material - Part4: Low temperature test

GJB 150.6A-2009 Laboratory environmental test methods for military material - Part6: Temperature altitude test

GJB 150.9A-2009 Laboratory environmental test methods for military material - Part9: Damp heat test

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