64
Standard Operations
(K
1
A
1
+ K
2
A
2
) / (K
3
A
3
+ K
4
A
4
)
A
1
refers to the absorbance at wavelength 1
A
2
refers to the absorbance at wavelength 2, etc.
K
1
refers to the coefficient at wavelength 1
K
2
refers to the coefficient at wavelength 2, etc.
Coefficients can be set negative where subtraction is required.
3.
To change a wavelength, press one of the ”
λ
x:“ keys. Enter the
desired wavelength coefficient into the numeric keypad.
Press
OK
to confirm.
4.
To change a coefficient, press one of the ”K
X
:
“
keys. Enter the
desired coefficient into the numeric keypad.
Press
OK
to confirm.
Note:
The instrument allows entry of up to 5 significant digits, with a
maximum of 4 significant digits after the decimal point.
Concentration factor:
1.
Press
Concentration Factor: Off
in the Options menu. Press
On
to highlight this feature.
2.
Press the ”Factor“ key to enter the factor by which
absorbance readings are to be multiplied. Press the ”Unit“ key
to select the units for concentration measurements or to create
a new unit.
3.
Press
OK
to confirm.
Concentration resolution:
1.
Press
Concentration Resolution
in the Options menu.
2.
Select the resolution and press
OK
to confirm.
