Payment & Shipping Terms:
|Emperature Deviation:||≦±2.0℃||Temperature Range:||-40℃ ～ +100℃|
|Temperature Uniformity:||≦2.0℃||Temperature Fluctuation:||±0.5℃|
|Workspace Volume:||W 700 × H 700 × D 480 Mm||Door:||Single Door. Left Open|
Environmental Stress Screening Chambers,
environmental testing chambers
225LSingle door rapid-rate temp change testing chamber with LED lighting device
Control method and characteristics
High precision microcomputer temperature and humidity systems by PID controlling SSPR reduce the
system’s heating and humidification amount, to achieve low power consumption, energy saving, carbon
reduction effect. Intelligent electronic control of cooling, heating, humidity control, so it could be used long-
Applicable to environmental adaptability and reliability test in such industrial units as electronics, electrical
appliance, battery, plastics, food, paper product, vehicle, metal, chemistry, building material, research i
nstitution, inspection and quarantine bureau, university etc.
|Ⅳ. Main Technical Parameters(Water Cooled and Ambient +25℃, Empty loading)|
|Temperature Range||-40℃ ～ +100℃|
Of temperature change
Test the following ramp rate at the air outlet, The rate of temperature change is based on the IEC-60068-3-5 standard.
Heating rate: From-40℃ to +100℃ Nonlinear 5℃/min load 5kg
Cooling rate:From +100℃ to -40℃ Nonlinear 5℃/min load 5kg
|Ⅴ. Chamber Structure|
|Overall structure and chamber was composed of three parts as below. Insulation box, separate refrigeration units, and electrical control cabinet.|
Workspace volume: W 700 × H 700 × D 480 mm
Exterior size: approximately W 1000 × H 1735 × D 2030 mm
wall material: high-quality carbon steel with static color spray ※ inner wall material: SUS304 # matte stainless steel plate
Insulation materials: rigid polyurethane foam insulation layer + glass fiber.
|Door||Single door. Heating wire was installed at the door frames to prevent condensation at low temperatures.|
|Observation Window||Observation Window on the door, with multi-layers of electric painted heat hollow glasses to avoid condensation.|
|Lighting device||1 LED lighting device located on observation window.|
|Heating||High-quality nickel-chromium alloy wire heater, non-contact control mode (SSR).|
|Water outlet hole||Equipped with studio condensate and unit condensate drain holes.|
|Thread port||φ50mm Thread port on left and right side with rubber lid and plastic cover.|
|Sample holder||Two layers of stainless steel sample holder, Adjustable spacing ,load capacity 30kg|
|Mobile casters||Include mobile casters (with goblet)|
|Electric control box||Total power circuit breaker, over-temperature protection.|
|Compressor||German Bock semi-tight compressor or German semi-compact compressor.|
Non-fluorine environmental refrigerant,
high temperature level refrigerant: R448A, R23
|Condenser||Shell-and-tube type condenser (water-cooled).|
|Evaporator||Fin-type multi-stage automatic load capacity adjustment, Long-term use of low temperature and high humidity conditions without frost.|
World top brand accessories, such as high accurate extension valve,
|Refrigerant flow control||Multi-stage adjustable energy consumption output control of the refrigeration system.|
Nitrogen welding, two-stage rotary vane vacuum pump, ensure that the internal cooling system clean and reliable.
water tray located at the bottom of the compressor to ensure condensate water drain through pipe freely at the rear of the chamber.
● GB-2423.1-2008(IEC68-2-1) test A: low-temperature test
● GB-2423.2-2008(IEC68-2-2) test B: high-temperature test
● GJB360.8-2009(MIL-STD.202F) Life of high temperature test
● GJBl50.3-2009(MIL-STD-810D) high-temperature test
● GJBl50.4-2009(MIL-STD-810D) low-temperature test
● GB2423.3-2008(IEC68-2-3) test Ca: constant damp heat test
● GB2423.4-2008(IEC68-2—30) test Db: Alternating hot and humid test method.
● GJBl50.9-2009(MIL-STD-810D) Damp heat test method.
Packing and Shipment:
Contact Person: Peter Zhang