SCHOTT ProLab 4000, Руководство по эксплуатации

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ProLab 4000 pH
8 7 ba75646e03 12/2012
7.3.3 Calibration settings and calibration data
In the Calibration menu, you can

set the calibration interval,

define the calibration type and

view the calibration data.
Menu item Setting Description
Calibration
– pH calibration type
– AutoCal (

) Calibration with commercial buffer sets.
The buffer set is selected with the next
menu item (
Buffer sets )
– Buffer sets DIN (

)
TEC
...
Buffer sets to be used for pH calibration.
For details, see page 74.
– VariCal (

) Calibration with any buffer solutions
– Slope in mV/pH (

)
%
Unit of the slope.
The % display refers to the Nernst slope of
-59.16 mV/pH ([determined slope/Nernst
slope ] x 100).
– Zero point in mV (

)
pH
Unit for the zero point.
– Calibration interval... 1 ... 999 Calibration interval... for the pH electrode
(in days).
The meter reminds you to calibrate regu-
larly by the red frame around the CalClock
in the measuring window.
– Calibration history... Displays the calibration history of the last
calibrations.