C.) DMM 4-Wire
Electrometer
D.) Electrometer, Unguarded Volts
Figure 2-5
General instrument connections (cont.)
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Rows
HI
LO
Sense HI
Sense LO
DMM
Rows
HI
LO
Columns
Signal
Guard
Signal
Guard
Signal
Guard
Signal
Guard
7174A
Columns
Signal
Guard
Signal
Guard
7174A
Operation
DUT
DUT
2-7