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PM 10 & PM 2.5
PM 10 & PM 2.5

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PM 10 & PM 2.5

  • 1.
  • 2. T h e V - a i r9 0 0 9 b y V a s t h iI n s t r u me n t s i s a p o r t a b l e r e a l - t i me b e t a a t t e n u a t i o nmo n i t o r . T h ed e v i c ec o n t i n u o u s l yme a s u r e st h ep a r t i c u l a t e ma t t e r c o n c e n t r a t i o no f a mb i e n t p a r t i c l e sc o l l e c t e do nag l a s sf i l t e r t a p e w i t hat i mer e s o l u t i o no f 1h o u r . T h eV . a i r - 9 0 0 9u s e sa ni n - l i n es a mp l i n g g e o me t r yt h a t me a s u r e sb e t aa t t e n u a t i o na c r o s st h ef i l t e rme d i aw h i l e s i mu l t a n e o u s l ys a mp l i n gp a r t i c l e s . T h i sa l l o w se n v i r o n me n t a l s a mp l e st o b et a k e n 2 4 / 7c o n t i n u o u s l y .I ta l s o e n a b l e sa c c u r a t er e a d i n g o fb e t a r a d i a t i o n r a d i a t i o nme a s u r e me n t st h r o u g h o u t t h eh o u r , i mp r o v i n gs e n s i t i v i t ya n d t e mp o r a l r e s o l u t i o n . T h eV - a i r 9 0 0 9u s e sau n i q u e' i n - s i t u ' s a mp l i n gt e c h n i q u et ok e e pt h eb e t a r a y me a s u r e me n ta ta n e a r l y c o n s t a n tt e mp e r a t u r e a b o v e a mb i e n t c o n d i t i o n s . T h i sp r e v e n t st h el o s so f s e mi - v o l a t i l ep a r t i c u l a t ema t t e r o r e x c e s smo i s t u r ei nt h es a mp l es t r e a m, mi n i mi z i n gme a s u r e me n t e r r o r s . A c c u r a t eme a s u r e me n t sa r ep e r f o r me dw i t h o u t t h en e e df o re x p e n s i v e N a f i o nd r y e r s , i mp r o v i n gr e l i a b i l i t ya n dr e d u c i n go p e r a t i n gc o s t s . T h e i n t e g r a t e ds h e l t e r d o e s n o t u s e a i r c o n d i t i o n i n g , a n dt h e s a mp l i n gs y s t e m d o e s d o e sn o t u s ef l o w s p l i t t e r s . T h i sma k e sma i n t e n a n c ee a s i e r , i mp r o v e s r e l i a b i l i t y , a n dr e d u c e sp o w e r c o n s u mp t i o n . T h e V - a i r 9 0 0 9 i s e n c a s e di na l i g h t w e i g h t e q u i p me n t s h e l t e r w i t ha ne a s i l y r e mo v a b l ep u mpb o x , ma k i n gi ti d e a l f o ri n s t a l l a t i o ni np l a c e sw h e r e p e r ma n e n t s t r u c t u r e so rw a l k - i ns h e l t e r sa r en o t a v a i l a b l e . T h ed e v i c e d o e sn o t r e q u i r ea na i r c o n d i t i o n e r , r e s u l t i n gi nl e s sp o w e r c o n s u mp t i o n . N oc o mp o n e n t o f t h ei n s t r u me n t w e i g h smo r et h a n4 0p o u n d s( 1 8 . 1 4k g ) , a l l o w i n gi t t ob ee a s i l yc a r r i e db yo n ep e r s o n . T h eu s e r c a ng e t t h ew h o l e s y s t e m u pa n dr u n n i n gi nl e s st h a n1 0mi n u t e s .