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Testing chamber

High-low temperature/ low air-pressure test chamber

2012-6-14 14:45:58



Model

QD701HD

QD7025HD

QD705HD

QD710HD

Internal Volume(L)

117L

252L

506L

1000L

Internal dimensions(D*W*H) mm

450*450*580

600*600*700

900*750*750

1000*1000*1000

External dimensions(D*W*H) mm

1400*750*1500

1550*900*1700

1950*1050*1950

2100*1300*2100

Temperature Control mode

Balanced temperature & pressure control (BTPC)

Working environment temperature

+5…+35

Performance

Temperature range

-70/-40…+150/+180/210

Pressure range

atmospheric pressure… 1 kPa

Temp fluctuation

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

Temp uniformity

≤2 (under atmospheric pressure, no-load)

Temp deviation

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

Pressure accuracy

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

Heating time 

≤60min (25~+100)

Cooling time

≤90min (+25-70)

Pressure recovery rate

≤1 kPa/min

Depressurization time

atmospheric pressure~10KPa, ≤30min

Materials

Shell

Cold rolled sheet steel, spray plastics on surface

Interior

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, program control;

Power supply

АС380V, 50Hz, Three-phase four-wire + earth wire

Note: the specifications above are measured without load at ambient temperature of 25.

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