S R is a small handheld instrument with big LCD, high accuracy and various parameters. It can be used in the laboratory, inspection area or wher 210 / SR220 portable surfaces roughness tester –
ever on-site surface roughness testing is required. The
measuring data of SR220 can be output to PC or micro
printer.
KEY FEATURES

 2 8 p a ra m e t e r s : Ra , R q, R z , R t , R p, R v, R S , R S m , R z ( J I S ) ,
R y ( J I S ) , R S k , R 3 z , R m a x , R p c , R m r, R k u, R Δ a , R Δ q, R δ c , R y, R k ,
R p k , R v k , M r 1 , M r 2 , A 1 , A 2 , V 0 ; ( S R 2 2 0 o n l y )
 3 2 0 μ m w i d e ra n g e h i g h a cc u ra c y i n d u c t a n ce p r o b e ;
 Fo u r f i l t e r i n g m e t h o d s o f R C , P C – R C , G AU S S a n d D – P;
 C o m p a t i b l e w i t h f o u r s t a n d a r d s o f I S O, D I N , A N S I a n d J I S ;
 1 2 8 × 6 4 2 . 7 ” d o t m a t r i x O L E D d i s p l a y s a l l p a ra m e t e r s, g ra p h s
a n d m e n u ; ( S R 2 2 0 o n l y )
 D S P c h i p i s u s e d t o co n t r o l a n d p r o ce s s d a t a w i t h h i g h s p e e d
a n d l o w p o w e r co n s u m p t i o n ;
 B u i l t – i n l i t h i u m i o n c h a r g e a b l e b a t t e r y a n d co n t r o l c i r c u i t ;
 Wi t h i n t e r n a l m e m o r y c h i p, i t ca n s t o r e 2 0 g r o u p s o f m e a s u r –
i n g d a t a , u s i n g e x t e n d S D ca r d t o e x t n e d u n l i m i t e d m e m o r y ;
( S R 2 2 0 o n l y )
 B u i l t – i n r e m o t e co n t r o l m o d u l e, ca n t a ke m e a s u r m e n t s r o m o t e l y ; ( S R 2 2 0 o n l y )
 D e s i g n o f m e c h a n i ca l a n d e l e c t r i ca l i n t e g ra t i o n i s a d o p t e d t o a c h i e v e s m a l l b u l k , l i g h t w e i g h t
a n d e a s y u s a g e ;
 Ca n b e co n n e c t e d t o B l u e t o o t h m i c r o p r i n t e r t o p r i n t a l l p a ra m e t e r s a n d g ra p h s ; ( S R 2 2 0 o n l y )
 B u i l t – i n s t a n d a r d m i c r o – U S B i n t e r f a ce e n a b l e s co m m u n i ca t i o n w i t h P C ; ( S R 2 2 0 o n l y )
 A u t o m a t i c s w i t c h o f f, m e m o r y a n d va r i o u s p r o m p t i n s t r u c t i o n s ( S R 2 2 0 o n l y )