Casio GRAPH90+ E User Manual download pdf (Page 592)

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Performing Auto Sensor Calibration and Zero Adjustment

6. Performing Auto Sensor Calibration and Zero

Adjustment

You can use the procedures in this section to perform auto sensor calibration and sensor

zero adjustment.

With auto calibration, you can configure applicable interpolation formula slope (Slope) and

y-intercept (Intercept) values for a sensor based on two measured values.

With zero adjustment, you can configure a custom probe

y-intercept based on measured

values.

A sensor calibrated with auto calibration or zero adjustment is registered as a custom probe.

Sensor Calibration Screen

1. On the sampling screen, use f and c to move the highlighting to the sensor you want

to auto calibrate or zero adjust.

2. Press 3(CALIB).

This displays a sensor calibration screen like the one shown below.

1(EDIT) ... Select to manually modify the highlighted item.

2(CALIB) … Performs auto sensor calibration.

3(ZERO) … Performs sensor zero adjustment.

6(SET) … Select to assign the calibrated sensor to a channel. This registers the

sensor as a custom probe.

Press J to return to the sampling screen.

Performing Auto Sensor Calibration

Important!

Before performing the operation below, you will need to have two known measured values

on hand.

When inputting reference values in step 3 of the procedure below, input values that were

measured accurately under conditions used for the sampling operations in step 2 of the

procedure. When inputting reference values in step 5 of the procedure below, input values

that were measured accurately under conditions used for the sampling operations in step 4

of the procedure.

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Casio GRAPH90+ E User Manual Page 592

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