GE Monitor UV-900, Руководство пользователя

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3
Operation
18
Monitor UV-900 User Manual 18-1120-05 Edition AF
3.5 Reading absorbance values
The main operating menu shows the absorbance values for up to 3 active
wavelengths. The menu is reached from any other menu by pressing the
ESC
button repeatedly. The display for the third wavelength is reached by turning
the dial clockwise.
As an alternative all 3 wavelengths can be shown in a single display, but limited
to 3 decimals. This alternative is reached by turning the dial clockwise.
3.6 Setting wavelength
The instrument can measure up to 3 wavelengths simultaneously and
wavelength changes can be set at any time.
1 Select main menu
Set Wavelength
, press
OK
.
2 Select sub menu Set Wavelength
λ
1 , press OK .
3 Set the value, press OK .
4 The next wavelength
λ
2 is now shown. Set the value or turn the
wavelength off, by turning the dial counter clockwise until the value passes
through 190 nm. If only one wavelength is to be used,
λ
2
and
λ
3
should be
set to off. Press
OK
.
The first wavelength
λ
1 can never be set to off.
5 Repeat step 4 in the menu Set Wavelength
λ
3 .
6 Press ESC to return to the main operating menu.
In UNICORN, the wavelengths are set with the instruction Wavelength in
System Control:Manual:Alarm&Mon .
λ 1(215) 1.123 AU
λ
2(254) 0.02345 AU
λ
3(280) 1.123 AU
or
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) 234
Set Wavelength
λ2
(254nm)