Reading Absorbance Values; Setting Wavelength - GE Monitor UV-900 User Manual

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3
Operation
λ1(215)
1.123 AU
λ2(254)
0.02345 AU
λ3(280)
1.123 AU
o r
215nm
254nm 280nm
1.123
0.023
0.123
Set Wavelength
(215, 254, 280 nm)
Set Wavelength λ1
(215, 254, 280 nm)
Set Wavelength λ1
(215nm)
Set Wavelength λ2
(254nm)
1 8
3.5

Reading absorbance values

T h e m a i n o p e r a t i n g m e n u s h o w s t h e a b s o r b a n c e v a l u e s f o r u p t o 3 a c t i v e
w a v e l e n g t h s . T h e m e n u i s r e a c h e d f r o m a n y o t h e r m e n u b y p r e s s i n g t h e E S C
b u t t o n r e p e a t e d l y . T h e d i s p l a y f o r t h e t h i r d w a v e l e n g t h i s r e a c h e d b y t u r n i n g
t h e d i a l c l o c k w i s e .
A s a n a l t e r n a t i v e a l l 3 w a v e l e n g t h s c a n b e s h o w n i n a s i n g l e d i s p l a y , b u t l i m i t e d
t o 3 d e c i m a l s . T h i s a l t e r n a t i v e i s r e a c h e d b y t u r n i n g t h e d i a l c l o c k w i s e .
3.6

Setting wavelength

T h e i n s t r u m e n t c a n m e a s u r e u p t o 3 w a v e l e n g t h s s i m u l t a n e o u s l y a n d
w a v e l e n g t h c h a n g e s c a n b e s e t a t a n y t i m e .
1 S e l e c t m a i n m e n u S e t W a v e l e n g t h , p r e s s O K .
2 S e l e c t s u b m e n u S e t W a v e l e n g t h
3 S e t t h e v a l u e , p r e s s O K .
234
4 T h e n e x t w a v e l e n g t h
w a v e l e n g t h o f f , b y t u r n i n g t h e d i a l c o u n t e r c l o c k w i s e u n t i l t h e v a l u e p a s s e s
t h r o u g h 1 9 0 n m . I f o n l y o n e w a v e l e n g t h i s t o b e u s e d ,
s e t t o o f f . P r e s s O K .
T h e f i r s t w a v e l e n g t h
5 R e p e a t s t e p 4 i n t h e m e n u S e t W a v e l e n g t h
6 P r e s s E S C t o r e t u r n t o t h e m a i n o p e r a t i n g m e n u .
I n U N I C O R N , t h e w a v e l e n g t h s a r e s e t w i t h t h e i n s t r u c t i o n W a v e l e n g t h i n
S y s t e m C o n t r o l : M a n u a l : A l a r m & M o n .
λ
1 , p r e s s O K .
λ
2 i s n o w s h o w n . S e t t h e v a l u e o r t u r n t h e
λ
1 c a n n e v e r b e s e t t o o f f .
λ
M o n i t o r U V - 9 0 0 U s e r M a n u a l 1 8 - 1 1 2 0 - 0 5 E d i t i o n A F
λ2
λ3
a n d
s h o u l d b e
3 .

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