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Altana BYK LCS III Betriebsanleitung Seite 60

Vis-spektralphotometer mit einem wellenlängenbereich von 320 bis 1100 nm.
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Options
More
Store Off/On
% Trans/Abs
λ
Wavelength
Send Data
Concentration Factor
Concentration
Resolution
Absorbance Formula
Recall Data
Instrument Setup
Table 8 Multi-wavelength setup options
Description
For further Options
With the Store On setting, all measurement data are stored automatically. With the Store Off
setting, no measurement data are stored.
To switch to % transmittance, concentration or absorbance readings
To enter the measurement wavelength. Use the alphanumeric keypad to enter the measurement
wavelength. The entered wavelength must be in the range from 320–1100 nm.
To send data to a printer, PC or USB memory stick
Multiplication factor for converting absorbance values into concentration values.
To select the position of the decimal point in the calculated concentration readings.
Calculation basis for evaluating samples
Call up saved measurement data, wavelength scans or time courses, see
page
28.
Basic data of the instrument, see
λ / Absorbance formula:
1. Press Absorbance Formula.
2. The formula selected in the top key determines the number of
wavelength and coefficent keys that will appear below. To
change the absorbance formula, press the top key, select a
formula from the displayed list and press OK. When a new
formula is selected, the number of variables below changes to
match.
The following formulas are available:
K
A
1
K
A
1
K
A
1
K
A
1
(K
1
(K
1
section 5.2 on page
17.
+ K
A
1
2
2
+ K
A
+ K
A
1
2
2
3
3
+ K
A
+ K
A
+ K
1
2
2
3
3
/ K
A
1
2
2
A
+ K
A
) / K
A
1
2
2
3
3
A
+ K
A
) / (K
A
+ K
1
2
2
3
3
Standard Operations
section 5.3 on
A
4
4
A
)
4
4
59

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