GOST R ISO 21501-4-2012 Determination of particle size distribution Single particle light interaction methods Part 4 Light scattering airborne particle counter for clean spaces《粒度分.pdf

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1、 21501-42012 . 4 , ISO 21501-4:2007Determination of particle size distribution Single particle light interactionmethods Part 4: Light scattering airborne particle counter for clean spaces(IDT) 1 () , 42 184 -3 - 8 2012 . 696-4 21501-4:2007 . . 4. , (ISO 21501-4:2007Determination of particle size dis

2、tribution Single particle light interaction methods Part 4: Light scatteringairborne particle counter for clean spaces)5 1.02012 ( 8). ( 1 ) , . () . , (gost.ru) , 2014 , - - II 21501-420121 .12 13 23.1 .23.2 23.3 .23.4 .23.5 .23.6 .23.7 23.8 23.9 .23.10 .23.11 .24 .34.1 .34.2 .44.3 .44.4 54.5 .54.6

3、 .54.7 54.8 64.9 .64.10 .6 () 7 () .9 () 10 D () 11 () .1213III 21501-42012 , , - , . . - , . 21501 -. :- 1. , ;- 2. , ;- 3. , ;- 4. ,.IV 21501-42012 . 4 , Determination of particle size distribution. Single particle light interaction methods. Part 4.Light scattering airborne particle counter for cl

4、ean spaces 201312011 - , , - . . 0,1 10 ., , -14644-1, . :- ;- ;- ;- ;- ;- ;- ;- ;- ;- ;- .2 14799:2007:2.1 (calibration particles): , (PSL), ,- c1772,5 %. 1,59 589 (D- ).2.2 (counting efficiency): , , , .1 21501-42012 2.3 (particle counter):, - .2.4 (pulse height analyser, PHA): , - .2.5 (size reso

5、lution): .3 3.1 4.1.3.2 - c17710 % 4.2.3.3 (50 c177 20) % , ( ), (100 c177 10)%,1,52.3.4 15 % , .3.5 1 3 .3.6 . , 10 %. - () - ( ) / .3.7 5 %. , - , .3.8 c1771 % -. , .3.9 4.9 0,5 %.3.10 .3.11 :a) ;b) , ;c) ;d) , ;e) ;f) ;g) .2 21501-420124 4.1 ( ) ( 1).() - ( ). - ( ) ( ), . .X ( ); Y ; 1 ( PSL); V

6、l ; Vm ; Vu 1 PSL . ( ) , - 2a). , - , - - 2b). Vu Vm, , Vl. - Vl Vu.X ( ); Y ; 1 - PSL; 2 ( , /);Vl -; Vm ; Vu 2 PSL , , -, (. 3).3 21501-42012X ;Y ;1 ;Vm,1 , Xm,1; Vm,2 , Xm,2; Vm,3, m,3 3 , ( ).4.2 :- , ( ) 4.1 ( ), , r, ;- ( ) ;- s ( ) ;- c101 (1) , - 3.2. .c101 (%) =xxxsrrc45100 %,(1) c101 , %;s , ;r , .4.3 : , 1,52 -. ( ) (. - B). . , . 25 % ( -).4 21501-420124.4 c115. . - ( ) Vm , 4. Vl Vu 61 %. , Vl Vu. PSL , Vl Vu.c92 c115. (2) (. ).R(%) =c115c11522c45pPx100 %,(2) R , %;c115 , ;c115p , , ;P , .X ( ); Y ; 1 - PSL; 2 ; 3 ; Vl ; Vm ; Vu

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