Casio fx-9860G User Guide - Page 366
Auto Calibrating a Custom Probe
UPC - 079767177928
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4-3 Using a Custom Probe 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. First sampling operation Real-time display of sampled values 20051101