A device and method for measuring PM2.5 in a specific place
A PM2.5, site technology, used in measurement devices, suspension and porous material analysis, scientific instruments, etc., can solve problems such as difficulty in ensuring accurate measurement of elemental charge, complicated equipment and experimental operations, and difficulty in PM2.5 measurement. , to achieve the effect of simple structure, convenient operation and low cost
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[0018] The present invention will be further described in detail below in conjunction with the accompanying drawings.
[0019] In specific implementation, such as figure 1 As shown, a device for measuring PM2.5 in a specific place includes a measuring container 7, two dust collecting plates 6 of metal materials are arranged in parallel on both sides of the inner wall of the measuring container 7, and the two dust collecting plates 6 are connected in parallel The two ends of a measuring power supply 8 make two dust collecting plates 6 form positive and negative electrodes, and the two dust collecting plates 6 are also provided with a capacitor 10 in parallel, and a connecting wire between the dust collecting plates 6 and the capacitor 10 is also installed with a Current measurement and recording device 9; the middle part of one end of the measuring container 7 is also provided with an air inlet passage, and an air inlet pump 1, a drying layer 2 are arranged in the air inlet pas...
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