High low temperature/ low air pressure test chamber

Model

QD701HD

QD702HD

QD705HD

QD710HD

Internal volume

120 L

180 L

504 L

1000 L

Internal dimensions (D*W*H)

400*500*600 mm

500*600*600 mm

700*800*900 mm

1000*1000*1000 mm

External dimensions (D*W*H)

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 pressure～40KPa: ±2 KPa; 40KPa～10KPa :±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;