88
Measuring Current
5.5 Measuring Current
Connection method
1
Connect the positive side of the object to be measured to the OUTPUT terminal of the
instrument.
2
Connect the negative side of the object to be measured to the INPUT terminal of the
instrument.
Use a shielded wire for the measurement lead connected to the INPUT terminal so that it is not
aected by inductive interference such as noise.
3
Connect the GUARD terminal and the GROUND terminal to each other with the
shorting plug.
INPUT
GUARD
GROUND
CHARGE
OUTPUT
A
SM7110/SM7120
Measured object
Negative
side
Positive
side
−
+
Setting the instrument
Press the MODE key to switch the measurement mode to liquid volume resistivity measurement
mode, and then perform measurement. (p. 39)