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High Low Temperature/Low Air Pressure Test Chamber


High Low Temperature/Low Air Pressure Test Chamber is mainly used in aviation, aerospace, information, electronics and other fields, to ensure the environment adaptability and reliability of instruments , meters, electrical products, materials, parts, equipment in low temperature and low air pressure, or low temperature or low-high temperature and low air pressure, and  measure the specimen’s technical parameters.

1.Perfect case structure, can undertake air pressure, stainless steel inner case.
2. Reasonable air cycle system and heater,refrigerator device.
3.Imported refrigeration units, key parts are international brands, improve the operation reliability.
4.Controller adopts touch screen man-machine interface, reliable operation, high precision.
5.Protection device for studio over-temperature, compressor over-load, over-pressure, oil pressure  over-pressure ,fan over-load, default-phase, compressor delay.

Technical parameters:




Internal Dimensions WxHxD (mm)



External Dimensions WxHxD (mm)



Pressure Range

Atmospheric pressure(101 Kpa)~0.5 Kpa

Pressure Deviation

Pressure 50 Kpa ~10 Kpa±3 Kpa; 
Pressure 10 Kpa ~50 Kpa, ±1.0 Kpa; 
Pressure  1 Kpa ~10 Kpa±0.1 Kpa

Velocity of Depressurization

Atmospheric pressure ~1kpa40min (Room temperature situation);


Low Air Pressure Mode

Vacuum pump

Temperature Range

Low Temperature D:-40    F:-70℃) High Temperature 150

Analytic Accuracy of Temperature


Distribution Uniformity of Temperature 

When temperature100±3.0 (Atmospheric pressure and non load),
When temperature>100±5.0 (Atmospheric pressure and non load)

Control Accuracy of Temperature 


Temperature Rising/Falling  Speed Rate 

Temperature rising approx.  0.2~1.2/min, 
Temperature falling approx.  0.2

Internal and External Material

Material of the inner box is SUS 304# stainless steel,of the outer box is stainless steel or  SEE cold-rolled steel with paint coated.

Insulation Material

Resistant to high temperature, high density, formate chlorine, ethyl acetum foam insulation materials 

Cooling System

 Wind cooling or water cooling / single segment compressor(-40, double segment compressor -70℃)

Protection Devices

Fuse-free switch, overloading protection switch  for compressor,fault warning system, high and low voltage coolant protection switch,over-temperature protection switch, fuses, 


French Tecumseh Brand, Germany Bizer Brand


AC 380V, 3 5 Lines, 50/60HZ


1. Are your company a trading one or a factory?
Factory ,28 years focusing on test instruments field,4 years exporting experience.

2. After an order is placed, when to deliver?
Generally about 20 workdays, If we have finished products, we can arrange shipment within 3 workdays.
Please be aware that our production lead times depend on specific items and item quantities.

3. What about the warranty with after - sales services?
12 months warranty.
After the warranty, the professional after-sale service team will provide perfect technical support,and help customer solve problems encountered while using our product, handles guest problems and complaints in a professional and timely.

4. What about the services and product' quality?
Service: OEM service,Design service,Buyer lable service.
Quality: Each instruments must be carried out 100% quality examination and test, the finished products must through a third party calibration institutions before shipping and delivery goods.

5. How to install and training?
If the products is easy to install and training, customers can learn the operation and maintenance manual to installation and use.
If the products is hard to use, customers can come ASLi factory to learn how to installation and use. And our engineers have a passport, we can go to overseas.

6.What's your main products?
 Environmental chambers, temperature (humidity) chamber, PCT /Hast chamber (Highly accelerated stress test chamber),ESS chamber, Walk in stability chamber,Vacuum oven,Altitude chamber,vibration test system, mechanical shock tester,environmental combined vibration chamber,etc.

Welcome our new and regular customers visit our factory, and any inquiries please feel free to contact us !
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