Sample Dilution; Special Methods - MACHEREY-NAGEL PF-12 Plus Handbuch

7.4 Sample dilution

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range. To avoid manual calculations, you can enter the dilution into the PF-12
then re-calculate the result, taking the dilution into account.
Example:
Expected result:
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Recommended dilution:
Dilutions are entered as 1 part sample plus x parts distilled water as to create distinct read-
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Press before the next measurement to open the entry option for the dilution. The screen
for entering the dilution appears. Once you have entered the dilution, it is displayed togeth-
er with all other sample information at the bottom of the display. The result is immediately
re-calculated using the entered dilution.
Note: The entered dilution only impacts the current result. In the case of large dilutions, e.g.
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display in the screen.

7.5 Special methods

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Plus
PF-12 is also equipped with preprogrammed special methods.
Method:
- Special methods
Settings
Basic functions
Tube tests
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between 80 and 200 mg/L
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1:25 to 1:50 to get within the middle of the measuring range
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with the buttons
method.
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