wtw Multi 3410 Operating Manual page 43

Multi 3410
Calibration points
Stability control
Calibration record
Display calibration data
and output to interface
ba75863e02 12/2009
Calibration can be performed using one to five buffer solutions in any
order (single-point to five-point calibration). The meter determines the
following values and calculates the calibration line as follows:
Determined val-
ues
1-point Asy
2-point Asy
Slp.
3-point to Asy
5-point Slp.
Note
You can display the slope in the units, mV/pH or % (see page 38).
The calibration procedure automatically activates the stability control
function. The current measurement with stability control can be termi-
nated at any time (accepting the current value).
The new calibration values are displayed when a calibration procedure
is completed.
You can have the data of the last calibration displayed (see page 52).
Subsequently, you can transmit the displayed calibration data to the
interface, e. g. to a PC, with the <PRT> key.
Note
The calibration record is automatically transmitted to the interface after
calibrating.
Displayed calibration data
Zero point = Asy
Slope = Nernst slope
(-59.2 mV/pH at 25 °C)
Zero point = Asy
Slope = Slp.
Zero point = Asy
Slope = Slp.
The calibration line is calculated
by linear regression.
Operation
43