WPI EVOM Manual - Page 28

24 World Precision Instruments
3. Press Setup to access the Setup menu.
Fig. 44—Setup page
• Select Plate–Choose the plate size.
• Select Mode Units – Choose volts or millivolts (the normal mode is millivolts).
• Electrode Equilibration – Zero the electrodes' galvanic charge in saline.
• Press the Probe Null button. Push the NULL button. Wait for the second
message stating ”Solution value 0.0” before returning. This action removes
any voltage osets on the electrodes. Then activate the Enable/Disable radio
button to oset the electrode potential.
Fig. 45—(Left) Null probe process.
Fig. 46—(Right) The potential dierence oset shows on the main screen under the reading.
• Press Return to navigate back to the main menu.
4. Insert a USB drive into the USB port on the side of the EVOM™ Manual and
begin measuring by pressing the foot switch or touching the Store button on the
screen. Tap the Next Well area on the right side of the screen to advance to the
next well. Repeat the sampling process.
5. Once the last well has been recorded, the le storing selection notication appears.
Fig. 47—Warning that the last cell measurement was taken.