Product application:
This equipment is used to expose the product to a closed and constant temperature (such as high temperature, low temperature)/temperature and humidity (such as constant damp heat, alternating damp heat) environment, and verify the parameter changes or other physical property changes of the product after a period of environmental stress test. It is applicable to "environmental simulation" experiments for research and development and quality control in scientific research fields such as
electrical engineering, electronics, electrical appliances, LED, optoelectronics, semiconductors, new energy, automobiles, components, medical devices, aerospace materials, etc.
Standards:
Test A of GB/T2423.1-2008 (IEC68-2-1) : Low-temperature Test Method
Test B of GB/T2423.2-2008 (IEC68-2-2) : High-temperature Test Method
GB/T2423.3-2006 (IEC68-2-78) Test Ca: Constant Damp Heat Test
GB/T2423.4-2008 (IEC68-2-30) Test Db: Alternating Wet Heat Test
Air conditioning channel:
1.Working principle
That is, the central control system amplifies the temperature and humidity signals collected from the box, converts them analog-to-digital, corrects them, and then compares them with the set values (target values) of temperature and humidity. The deviation signal is obtained through PID operation and outputs a regulation signal to automatically control the output of the heater/humidifier/compressor, achieving a dynamic balance in the loss of cold and hot air in the test chamber. The heating, cooling and constant temperature and humidity control of the studio are now being carried out.
2.Air supply mode
The air passage is designed on the rear side of the box interior. The stainless steel centrifugal fan is installed on the upper rear side of the box interior. The air is forced to supply air from the top and return air from the bottom through the guide louver at
the outlet of the fan volute for forced air circulation.
