WPI EVOM - Page 32

28 World Precision Instruments
Fig. 47—Select the mode. For resistance measurements, choose OHMS or K OHMS. Then
select the range.
5. Press the Calibrate button to calibrate the electrode. (This uses a 10 KΩ 0.1%
resistor). See "Instrument Diagnostics and Calibration" on page 25.
6. To subtract a blank well (including the uid and electrode resistances) press the
Blank Handling button. Then, place the electrode in a blank well and press the
Reading button. Press the Blank Enable radio button to subtract the blank value.
Press the Return button (Fig. 48).
Fig. 48—(Left) Blank Handling window.
Fig. 49—(Right) The main screen shows the oset underneath the reading.
7. Press Return to navigate back to the main screen (Fig. 49).
Voltage Conguration Procedure
If you want to take voltage measurements, congure your plate as follows:
1. Press the Setup button to congure your plate settings.
Fig. 50—(Left) Press Setup to access the Setup screen.
2. Press the Select Plate button to choose the plate size. See "Plate Selection Page
and Plate Preview" on page 12.