4-4 Ohms Measurements
Selecting ohms measurement method
On power-up, auto ohms is the default method for the ohms function. Perform the following
steps to check and/or change the ohms measurement method:
1. Press CONFIG and then Ω to display the ohms configuration menu.
2. Using left and right arrow EDIT keys, place the cursor (flashing menu item) on
SOURCE and press ENTER.
NOTE Cursor position indicates the presently selected ohms measurement method. To
retain this selection, use the EXIT key to back out of the menu structure and skip the
next two steps.
3. To change the measurement method, place the cursor on the alternate selection (AUTO
or MANUAL), and press ENTER.
4. Press EXIT to exit from the menu structure.
Auto ohms measurements
Perform the following steps to perform auto ohms measurements.
NOTE The following procedure assumes that the SourceMeter is already connected to the
DUT as explained in Section 2.
WARNING To prevent electric shock, do not make or break connections to the
SourceMeter with the output on. If on, press the ON/OFF OUTPUT key to
turn the output off.
1. Select ohms measurement function.
Press MEAS Ω to select the ohms measurement function.
2. Select auto ohms measurement method.
• Press CONFIG then Ω.
• Select SOURCE, then press ENTER.
• Select AUTO, then press ENTER.
• Press EXIT to return to normal display.
Note that the SourceMeter will be configured to Source I and Measure V. Also, the
I-Source level and V-Compliance limit are based on the measurement range and cannot
be edited.
NOTE Use the manual ohms mode and the V-source method when high-speed settling is
required.
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