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4 ) B u b b l e B r e a k e r ( 4 )
The Bubble Breaker is a secondary chamber
i n t h e u p p e r c h a m b e r w h i c h p r o v i d e s t h e s o a p f i l m a r a p i d e x p a n -
s i o n p a t h w h i c h i s i n s t r u m e n t a l i n b r e a k i n g t h e b u b b l e . ‘ T h i s
p r e v e n t s e x c e s s i v e w a l l w e t t i n g b y t h e s o a p f i l m a n d a l l o w s i t t o
f l o w b a c k i n t o t h e c e l l .
5 ) S t o r a g e T u b i n g ( 2 5 ) T h i s a n t i - s p i l l t u b i n g c o n n e c t s u p p e r a n d
lower
c e l l c h a m b e r s a n d p r e v e n t s t h e s o a p s o l u t i o n f r o m e v a p o r a -
t i n g w h i c h m a y c a u s e t h e s o l u t i o n c o n c e n t r a t i o n t o c h a n g e . ’
CAUTION: If transporting by plane, be sure to disconnect this hosing from
upper or lower Flow Cell Chamber Bosses (23 26) to prevent pressurization
and possible rupture within the Bubble Generator.
S e n s o r B l o c k ( 8 )
S u r r o u n d i n g t h e f l o w t u b e
s e c u r e d b e t w e e n t h e u p p e r a n d
l o w e r c h a m b e r o f t h e b u b b l e g e n e r a t o r , i s t h e S e n s o r B l o c k ( 8 ) .
T h e b l o c k i n c o r p o r a t e s l o w e r a n d u p p e r s e n s o r s f o r t i m e s t a r t a n d
t i m e s t o p . T h e s e n s o r s c o n s i s t o f a n i n f r a r e d e m i t t e r a n d d e t e c t o r
p a i r s w h o s e s e n s i t i v i t y a n d a c c u r a c y i s c o n t r o l l e d b y a
t i n g s l o t ” .
T h i s b l o c k i s s e c u r e d t o t h e B u b b l e G e n e r a t o r
A s s e m b l y ( 1 ) b y m e a n s o f t w o L o c k i n g S c r e w s ( ( 7 ) a n d a l l o w s e a s y
r e m o v a l t o f a c i l i t a t e c l e a n i n g .
1 ) E l e c t r i c a l I n t e r f a c e
T h e E l e c t r i c a l I n t e r f a c e p r o v i d e s p o w e r
t o t h e s e n s i n g s y s t e m a s w e l l a s t r a n s m i t s t i m i n g i n f o r m a t i o n t o
t h e C o n t r o l U n i t .
2. The Control Unit
( b a s e ) ( S e e f i g . l a )
T h e C o n t r o l U n i t ( 1 4 ) c o n t a i n s a c r y s t a l c o n t r o l l e d t i m i n g s y s t e m ,
a m i c r o p r o c e s s o r c o n t r o l s y s t e m , a n d a n L C D r e a d o u t f o r d i s p l a y i n g
flow and messages.
T h e C o n t r o l U n i t a l s o c o n t a i n s s w i t c h e s f o r R e s e t
D e l e t e ( 1 6 ) a n d A u t o - A v e r a g i n g ( 1 5 ) f u n c t i o n s a s w e l l a s a n
P r i n t e r J a c k ( 1 8 ) i n t e r f a c e p o r t f o r d i r e c t c o n n e c t i o n t o a h a r d c o p y
p r i n t e r . L E D i n d i c a t o r s a r e p r o v i d e d t o n o t e C h a r g i n g ( 1 1 ) a n d R u n
c a l i b r a t i o n ( 2 0 ) o p e r a t i o n .
a )
Power
( 1 2 )
s w i t c h t u r n s t h e C o n t r o l U n i t s p o w e r o n a n d o f f .
b)
Charge Indicator LED
(11)
lights when the charger is plugged
i n t o t h e C h a r g i n g J a c k
c) Printer Jack
( 1 8 )
p r o v i d e s i n t e r f a c e f o r a u x i l l a r y p r i n t e r .
d)
Reset (17)
p u s h b u t t o n d e l e t e s a l l c u r r e n t i n f o r m a t i o n f o r
p r o c e s s o r i n o r d e r t o i n i t i a t e a n e w s e q u e n c e .
e) Delete
( 1 6 )
p u s h b u t t o n a u t o m a t i c a l l y d e l e t e s f a l s e i n f o r m a -
tion from the average and will reset the average and sample number
t o t h e p r e v i o u s r e a d i n g .
W h e n a p r i n t e r i s i n l i n e , t h i s w i l l
i n d i c a t e a m i n u s s y m b o l a n d t h e a v e r a g e w i l l r e t u r n t o t h e
p r e v i o u s v a l u e .
3