Introduction to Environmental Test Chamber

April 19,2022

Environmental test chamber simulates the natural environment and climate using science and technology, which is destructive to modern industrial products, so the types of environmental test chamber are diverse. Today, we will introduce two kinds of environmental test chambers: damp heat test chamber and xenon aging test chamber.

 

environmental test chamber

 

The damp heat test chamber

 

  • Function introduction

 

It has the function of setting constant temperature and slope

 

It has the functions of holding, section skipping, standby, and two groups of time signal output

 

It has the function of cold/hot engine start selection

 

It has the function of temperature display value correction

 

It has the function of temperature sensing body correction

 

It has the function of automatic stop and start of compressor

 

With pause recording function

 

With power failure memory function: after a power failure, the program data memory can be maintained for 6 months

 

It has the function of setting constant temperature and slope

 

It has the functions of holding, section skipping, standby, and two groups of time signal output

 

  • Control mode

 

To ensure the requirements of the damp heat test chamber for the cooling rate and minimum temperature, the refrigeration system of the damp heat test chamber adopts the cascade refrigeration system composed of imported compressors. The refrigeration system has the advantages of reasonable matching, high reliability, and convenient use and maintenance.

 

The rear refrigerant works through the adiabatic expansion of the shut-off valve, and the refrigerant temperature decreases at this time. Finally, the refrigerant absorbs heat isothermal from the object with higher temperature through the evaporator to reduce the temperature of the cooled object.

 

Xenon aging test chamber

 

  • Summary

 

The xenon aging test chamber uses a xenon lamp as a light source to stimulate and strengthen the weathering accelerated light aging test module, to quickly obtain the near atmospheric aging test report, which can be used to evaluate the weathering resistance of materials.

 

The weather resistance test is the key means to screen formulas and optimize product synthesis in the process of development and production. It is also an important specific content of product weight detection. Weather resistance tests shall be carried out according to the requirements of instrument standards such as automobile coating, plastic, aluminum-plastic plate, and reliable glass.

 

Sunshine and humidity are the key factors of material aging. The weatherproof test chamber shall simulate the hazards caused by sunlight, rain, and dew. The meteorological laboratory uses xenon lamps to simulate the influence of sunlight and condensate to simulate rain and dew. Under a certain temperature difference, the measured materials are put into the alternating cycle of light and humidity. In months or even years, it takes days or weeks to recreate the hazards caused by outdoor activities.

 

  • Architecture and function

 

The xenon aging test chamber is based on a xenon lamp and is recognized as a good simulated natural light source. It is equipped with appropriate experimental spectrum interpretation, blackboard thermometer and temperature, humidity, and water spray position.

 

Control mode: time process relay operation (see instrument certificate for specific operation);

 

Water spray cooling setting: the water spray cooling system of the xenon aging test chamber is controlled by the temperature controller. When the temperature of the test chamber exceeds the set temperature, the water spray cooling technology will regulate the water spray cooling by itself;

 

Precipitation technology setting: the precipitation technology of the equipment is completed by the setting of the water pump, spray pipe, and time process relay, and the spray cycle can be adjusted. The recommended spraying time is 60 minutes / 12 minutes;

 

Protection and installation: to make the xenon lamp work normally without damage, the product is except xenon arc; The lamp ignites in the circuit and is connected to the cooling water. If the cooling water does not work normally in the working process, the xenon lamp will go out automatically. Protective facilities for stopping the whole machine.

 

The above is the environmental test chamber introduction, if you need help, welcome to contact us at any time.

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