eDAQ e-corder pH/mV Amp, Руководство пользователя

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Chapter 3 — pH Calibration Extension 23
average of the selection) in the adjacent box, for example
. The standard buffer value is then manually entered in
the adjacent box, , and the desired units
selected (see next section).
This is then repeated for the second buffer solution Figure 3–5 .
Choosing Units
The Units pop-up menu, , is used to select the unit
name. Common units are included in the menu but you cans also define
new units, or delete unwanted ones. Unit names are stored in a
preferences file and become available to other files.
Choose Define Unit… from the Units pop-up menu to access the Define
Unit dialog box,
Figure 3–7 , to enter a new unit name.
Results of
double point
calibration
Results of
single point
calibration
Click on arrow to enter
average signal value
Enter buffer pH
Select region of
signal for first buffer
Select region of
signal for second
buffer
Click on arrow to enter
average signal value
Enter second buffer pH
Figure 3–5
Performing two point
electrode calibration