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Structure and principle of Environmental chamber

The Environmental chamber is suitable for electric and electronic products and for high and low temperature and humidity alternating test.
The upper part of the chamber is the test liner, the right part is the control panel and electric control box, the lower part is the compressor and heat dissipation system. The toughened glass observation window in the door is equipped with an illumination system to facilitate the observation of the sample test, and the door seal is a double-layer silicone door seal for better sealing. The insulation material between the inner chamber and the outer chamber is polyurethane foam + superfine insulation cotton. The working principle is that when the temperature needs to be raised or lowered, the electric heating tube and the finned evaporator installed at the rear of the inner chamber work at the same time, this adjustment method is called balanced temperature regulation method, which is through forced circulation ventilation, the control system is based on the set temperature point through the PID which automatically calculates the output to control the heating of the heating tube and evaporator cooling amount, then finally reach a dynamic balance. The heating and cooling systems are completely independent, the long-shaft fan drives the centrifugal impeller to drive the airflow so that the temperature of the inner chamber quickly reaches uniformity, and the programmable temperature control instrument makes the temperature constant and has the function of self-correcting the temperature reference point.
The humidification system of the test chamber with humidity function is made of 304 corrosion resistant material, with anti-dry burning heating tube, with low water level prompting to prevent water shortage, the steam generated by the water tank enters the inner chamber through the pipe to increase the humidity, and when the humidity needs to be reduced the system automatically starts the compressor and refrigeration system to reduce the humidity. At the same time the heating tube is turned on to keep the temperature constant, thus achieving a balance between temperature and humidity.

In the previous:CO2 incubator touch screen time parameter setting The next article:How to choose a constant temperature Shaking incubator
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