Vernier Data Pro Manual de usuario descargar pdf (Pagina 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.

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Vernier Data Pro Manual de usuario Pagina 28