Vernier Data Pro - Manual (Page 28)

Data Pro 26
To calibrate the pH sensor by entering values manually:
1.
On the Setup screen, tap .
If you have more than one sensor connected, then tap the button below
Calibration, and choose which sensor you want calibrated.
2.
The current calibration will be displayed. Tap .
3. Enter the New Slope and New Intercept, then tap . The Calibration
screen is displayed with the new values. Tap to return to the Setup
screen.
Zero
From the SETUP screen you can zero one or more sensors. After tapping
, a screen will appear with a list of channels. Select any sensor(s) you
want to zero and tap .
After your sensor(s) has been zeroed, the reading displayed on this screen
should be 0, or very close to 0. Tap
to return to the Setup screen.
THE GRAPH OPTION
The Graph screen automatically appears when you are finished collecting
data or when is chosen from the main screen.
Initially all sensor channels are graphed to show that the data have been
collected. You will probably want to select individual channels for viewing.
To view a graph of a specific channel, click on the y-axis. You will be
presented with a menu of the available channels. Tap on a column to view it
in graph form.
If you wish, you can view a graph of all the channels.