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The variable air volume control system of the fume hood is used to control the exhaust air volume of the fume hood.
The variable air volume control system of the fume hood is used to control the exhaust air volume of the fume hood, so as to maintain the average surface wind speed of the fume hood as a constant during the movement of the adjustment door. Consumption is significantly saved. By adjusting the air supply air volume slightly lower than the exhaust air volume, the pressure in the laboratory is guaranteed to be average and a comfortable laboratory working environment is provided.