WPI EVOM Manual - Probe Null

EVOM™ Manual
World Precision Instruments 13
4. Press Set Time . Set the appropriate time and press Return .
5. Press Time Format . Choose 12 hour or 24 hour and press Return .
Fig. 19—(Left) Set the time and press Return
Fig. 20—(Right) Choose the time format and press Return
Probe Null
1. Press Probe Null on the Setup page to access the NULL Probe Process screen.
Fig. 21—(Left) Null probe process.
Fig. 22—(Right) The potential dierence oset shows on the main screen under the reading.
2. Place the electrodes in a saline media.
3. 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 and
neutralize the oset charge on V
1
-V
2.
4. Select the Enable/Disable radio button to use the oset.
5. Press Return . The potential dierence oset shows on the main screen under the
reading. An electrode check should show 0.0 mV. The saved data le reects the
oset.