Calibration Data - wtw Multi 9420 Operating Manual

pH value
Displaying the cali-
bration data
36
Calibration
1-point
2-point
3-point to 5-
point
You can display the slope in the units, mV/pH or % (see section
9.1.1 S
ETTINGS FOR P

4.2.6 Calibration data

The calibration record is automatically transmitted to the interface
after calibrating.
The calibration record of the last calibration is to be found under the menu item,
Calibration / Calibration record. To open it in the measured value display, press
the <CAL_> key.
The calibration records of the last 10 calibrations are to be found in the menu,
Calibration / Calibration data storage / Display. To open the Calibration menu,
press the <ENTER> key in the measured value display.
Determined val- Displayed calibration data
ues
Asy  Zero point = Asy
 Slope = Nernst slope
Asy  Zero point = Asy
Slp.
 Slope = Slp.
Asy  Zero point = Asy
Slp.
 Slope = Slp.
The calibration line is calculated by
linear regression.
H
MEASUREMENTS
(-59.2 mV/pH at 25 °C)
, page 84).
ba75964e04
Multi 9420
04/2015