Hach LANGE LICO 500, Руководство пользователя

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63
Standard Operations
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
1
A
1
+ K
2
A
2
K
1
A
1
+ K
2
A
2
+ K
3
A
3
K
1
A
1
+ K
2
A
2
+ K
3
A
3
+ K
4
A
4
K
1
A
1
/ K
2
A
2
(K
1
A
1
+ K
2
A
2
) / K
3
A
3
Table 8 Multi-wavelength setup options
Options Description
More For further Options
Store Off/On
With the Store On setting, all measurement data are stored automatically. With the Store Off
setting, no measurement data are stored.
% Trans/Abs To switch to % transmittance, concentration or absorbance readings
λ
Wavelength
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.
Send Data To send data to a printer, PC or USB memory stick
Concentration Factor Multiplication factor for converting absorbance values into concentration values.
Concentration
Resolution
To select the position of the decimal point in the calculated concentration readings.
Absorbance Formula Calculation basis for evaluating samples
Recall Data
Call up saved measurement data, wavelength scans or time courses, see section 5.3 on
page 31 .
Instrument Setup Basic data of the instrument, see section 5.2 on page 19 .