Testing Chamber

Quick temperature variation chamber

Application

Quick temperature variation chamber is mainly used to detect the performance indicators of aerospace products, information electronic instruments, materials, electrical and electronic products, and various electronic components under the condition of quick temperature changes, especially suitable for the environmental stress screening test of specimens. 

Technical Parameter

Model

KWGD7025HD

KWGD705HD

KWGD710HD

Internal volume

252 L

504 L

1000 L

Internal dimensions 

(D*W*H)

600*600*700 mm

700*800*900 mm

1000*1000*1000 mm

External dimensions 

(D*W*H)

1750*900*1800 mm

2150*1050*1950 mm

2600*1300*2100 mm

Performance

Temperature range

-70~+150℃ 

Temperature 

fluctuation

≤±0.5℃

Temperature 

uniformity

≤2℃

Temperature 

deviation

±2℃

Range of temperature 

variation

-40℃~+80℃ or -55℃~+80℃

Temperature 

variation rate

5℃/min~15℃/min

Material

Shell material

Cold rolled sheet steel, spray plastics on surface

Internal material

SUS304 Stainless steel

Thermal insulation 

material

Glass wool or polyurethane foam

Refrigeration system

Refrigeration 

mode

Mechanical compression, two-stage refrigeration

Compressor

International well-known brand

Cooling mode

Air cooling/ water cooling

Control system

Controller

Programmable controller, color LCD touch screen

Communication 

interface

RS485, USB or LAN interface (Optional according to customer's requirements)

Heater

Nickel-chromium alloy heating wire

Blower

Centrifugal blower

Temperature 

sensor

Pt100

Power supply

AC380V±10%, 50±1Hz, three-phase four-wire + earth wire, ground resistance<4Ω