| 摘要 |
PURPOSE: A centralized air particle counting system is provided to shorten the time required for measurement and to maximize work efficiency by measuring maximum six points simultaneously when measuring the number of air particles. CONSTITUTION: A centralized air particle counting system comprises a particle unit box and a control station. The particle unit box comprises an air particle counter measuring the number of air particles of the inhaled air, a vacuum pump inhaling the outside air by an order of the control station, and a zero filter installed to a discharge port of the vacuum pump to make the number of particles of the discharged air into zero.
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