Operation
multi N/C 2100S (duo, pharma)
62
5.5.2
Measurement with autosampler
NOTICE
Risk of device damage
When the autosampler is maladjusted or not adjusted at all, the autosampling tool can
hit a hard surface during operation. This can destroy the autosampling tool and the
drive.
¡
Adjust the autosampler before it is used for the first time and after each modifica-
tion as well as after transporting or storing it for a longer period of time.
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Create a new method with the Method |New menu option.
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Alternatively: Load an existing method. Open the Method selection window with the
Method |Load menu option. Mark the desired method. Confirm selection by clicking
[OK].
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Select automatic sample feed by clicking [Sampler] in the System state window.
ü
The software initializes the analyzer.
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Check the following displays in the System state window:
– Optical bank
– Nitrogen detector
– Gas flow
– Temperature
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If a display is red: Check for errors.
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Fill the sample vessels with the sample solution. Place the sample vessels on the
sample tray.
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The autosampler can automatically acidify samples for NPOC measurement. To do
this, fill the acid container with HCl (2 mol/l). Place the acid container at the acid po-
sition of the sample tray.
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Start the measurement: Click on Start measurement. Alternatively: Open the Mea-
surement |Measurement start menu option.
ü
The Measurement start window opens.
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Enter a name for a new analysis table in the Measurement start window. Alterna-
tively: Select an existing analysis table with [Edit].
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Open the Current sample data window with [Start].
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Open an existing rack table and add to it.
Or: Enter the sample ID in the Sample ID column in the new rack table. Check the
sample tray assignment for this. If necessary, enter the dilution, the sample type, the
unit and any comments.
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Activate all samples or activate each sample individually with [
>
].
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Confirm the entries with [].
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The rack table is closed. A query follows whether the rack table should be saved.
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If the rack table is to be used again later: Answer with [Yes]. Save the rack table in
the default window for saving files.
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Start the measurement with [Start F2] in the Measurement window. Carry out the
software instructions that follow.
ü
The analysis table displays the measurement results at the end of the measure-
ment.
