Casio GRAPH 25+ Pro, GRAPH 35+, GRAPH 75, GRAPH 85, GRAPH 85SD, GRAPH 95 Manual de usuario descargar pdf (Pagina 367)

20051101

k Auto Calibrating a Custom Probe

Auto calibration automatically corrects the slope and intercept values of a custom probe

setup based on two actual samples.

Important!

• Before performing the procedure below, you should prepare two conditions whose

measurement values are known.

• When inputting reference value in step 5 of the procedure below, input the exact known

measurement value of the condition you will sample in step 4. When inputting reference

value in step 7 of the procedure below, input the exact known measurement value of the

condition you will sample in step 6.

u To auto calibrate a custom probe

1. Connect the calculator and EA-200, and connect the custom probe you want to auto

calibrate to CH1 of the EA-200.

2. What you should do first depends on whether you are configuring a new custom probe for

calibration, or editing the configuration of an existing custom probe.

If you are configuring a new custom probe:

• Perform steps 1 through 6 of the procedure under “To configure a custom probe setup”

on page 4-1.

• Auto calibrate will automatically set the slope and intercept, so you do not need to

specify them in step 6 of the above procedure.

If you are editing the configuration of an existing custom probe:

• Perform steps 1 through 3 of the procedure under “To edit a custom probe setup” on

page 4-6.

3. Press 2(CALIB).

• This will start the first sampling operation with the sensor connected to EA-200’s CH1,

and then display a screen like the one shown below.

4-3

Using a Custom Probe

First sampling operation

Real-time display of sampled values

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Casio GRAPH 25+ Pro, GRAPH 35+, GRAPH 75, GRAPH 85, GRAPH 85SD, GRAPH 95 Manual de usuario Pagina 367