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High low temperature/ low air pressure test chamber

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Description:

High low temperature/ low air pressure test chamber

This chamber is designed to test products and materials to the effects of high and low temperature (and humidity), 

and low atmospheric pressure.


The choice of equipment depends on many factors:

 The size and weight of the test product;

 Requirements of test modes (graphics) - complexity, speed of changes in temperature and / or humidity parameters, 

pumping time, duration - regulated by Russian or other standards, including international standards;

 The presence of heat from the test product;

 Individual technical requirements, for example, specifications of a specific product.


Technical specifications:

Model 

QD701HD

QD702HD

QD705HD

QD710HD

Internal volume

120 L

180 L

504 L

1000 L

Internal dimensions 

(D*W*H) mm

400*500*600 mm

500*600*600 mm

700*800*900 mm

1000*1000*1000 mm

External dimensions

 (D*W*H) mm

1900*800*

1550 mm

2050*900*

1550 mm

3250*1150*

1950 mm

3400*1450*1950 mm

Temperature Control mode

BTPC: Balanced temperature & pressure control

Working environment 

temperature

+5…+35 ℃

Performance 

Temperature range*

-70℃...+150℃ (high temperature: 180℃, optional);

Pressure range

Atmospheric pressure... 0.5 kPa

Temperature fluctuation

≤±0.5℃ (under atmospheric pressure, no-load)

Temperature uniformity

≤2℃ (under atmospheric pressure, no-load)

Temperature deviation

≤±2℃  (under atmospheric pressure, no-load)

Pressure accuracy

Atmospheric pressure40KPa: ±2 KPa; 40KPa10KPa :±5%;

Heating time

≤60 min. (25℃…+100℃)

Cooling time

≤90 min. (+25℃…-70℃)

Pressure recovery rate

≤1 kPa/min

Depressurization time

Atmospheric pressure~10KPa, ≤30min;

Material 

Shell material

Cold rolled sheet steel, spray plastics on surface

Internal material

Stainless steel

Thermal insulation material

Polyurethane foam + glass wool

Refrigeration system

Refrigeration mode

Mechanical compression, two-stage refrigeration

Compressor 

Imported enclosed/ semi-enclosed compressor

Cooling mode

Air cooling/ water cooling

Heater 

Stainless steel heater

Blower 

Centrifugal blower

Vacuum pump

Leybold, Germany

Temperature sensor

PT100

Controller

Touch screen, programmable control;

Power supply

AC380V, 50Hz, three-phase four-wire + earth wire;

*Note: temperature range -40℃~+150℃: QD4**HD series; 

High-low temperature low air-pressure test chamber with humidity from 20 to 98% R.H .: THP *** HD series.





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