Multi Wavelength Settings - Hach DR 6000 User Manual

Laboratory spectrophotometer for water testing
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Expanded programs
6.1.1.2

Multi wavelength settings

82
Chemical form:
1. Enter the chemical formula used in the display to represent
the analysis parameter.
2. Press Continue.
Note: For subsequent programming steps, refer to
onwards.
When selecting the Multi-Wavelength mode, the following
parameters can be defined:
Units:
1. Select the required unit from the list
2. Press Continue.
Note: User-specific units not included in this list can be added in the edit
program under Program Options, Edit. Select Units, Edit and then
New.
Absorbance formula (Multi Wavelength program type):
Define the wavelengths and the coefficients used in the formula.
The absorbance formula defines the calculation for the multi
wavelength reading.
1. Press Formula.
2. Select the formula relevant to the programming from the
displayed list.
3. Press OK to confirm the selection.
List of the available absorbance formulae
A
refers to the absorbance at wavelength 1
1
A
refers to the absorbance at wavelength 2, etc.
2
K
refers to the coefficient at wavelength 1
1
K
refers to the coefficient at wavelength 2, etc.
2
If a subtraction has to be performed, the factors can be entered
with a minus sign.
section 6.1.1.3

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