Xylem ProLab 3000 Manual do Utilizador descarregar pdf (Página 85)

ProLab 3000 pH

ba75645e03 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 72.

– 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 ()

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.

1 2 ... 80 81 82 83 84 85 86 87 88 89 90 ... 201 202

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Xylem ProLab 3000 Manual do Utilizador Página 85