WPI EVOM3 - Page 29

EVOM3
World Precision Instruments 25
• 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
an ltage et n the eletde hen atiate the Enable/Disable radio
ttn t et the eletde tential
Fig. 47—(Left) Null probe process.
Fig. 48—(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 EVOM3 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.
 ne the lat ell ha een eded, the file ting eletin ntifiatin aea
Fig. 49—Warning that the last cell measurement was taken.
6. Press
Store . A system message will report if the USB thumb drive is usable,
or it will display an error. If the USB thumb drive is not plugged in or it is not
recognized, a warning message will appear. Press Cancel and try another drive.
The Store function cannot be used on an unrecognized drive. EVOM3 should
end ith File aed ithin  end  aing file i till een ate 
seconds, press the Return e and e anthe  die ne a file ha een
aed, en the file n a mte t ei the ntent
NOTE he file aing tine an tae  t  end t mlete ee the
USB cautions on page 5.
 Reme the  thm die t tane the data file t  mte a a V file
(Excel).