Aerosol particle double channel laser detector and detecting method thereof
An aerosol, dual-channel technology, applied in instruments, measuring devices, particle size analysis, etc., can solve the problems of measurement accuracy limitation, time-consuming, slowness, etc., and achieve the effect of improving accuracy and stability
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[0016] see figure 1 , figure 2 and image 3 , the aerosol particle dual-channel laser detector includes a figure 1 As shown in the particle sampling assembly, a figure 2 The optical sampling components shown and an as image 3 The control processing part shown; wherein, the particle sampling part is connected with the optical sampling part through the cavity 02 contained therein, and the control processing part is respectively connected with the gas pressure sensor (17, 18) in the particle sampling part and the optical sampling part ), airflow pump (07, 15), laser 20, ultraviolet laser 31, avalanche diode 41 and photomultiplier tube (50, 51) are electrically connected.
[0017] The sampling pipe 04 of the particle sampling component is coaxially fitted with an air inlet pipe 03 and a shell flow pipe 12, wherein one end of the sampling pipe 04 is an air inlet pipe mouth, and the air inlet pipe mouth is embedded in the air inlet port of the air inlet pipe 03 by 10 mm. The...
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