Features and Functions 2
Keysight U1731C/U1732C/U1733C User’s Guide 55
Enabling ESR measurements
Press   for more than 1 second to select the ESR measurement. Use the ESR 
measurement to measure the equivalent series resistance of the capacitor, 
independent of its capacitance.
Figure 2-11 ESR measurement with theta
Press   for more than 1 second to exit this mode.
Enabling DCR measurements
Press   for more than 1 second to select the DCR measurement. The DCR 
measurement measures the resistance of an unknown component by 1 VDC.
Figure 2-12 DCR measurement
Press   for more than 1 second to exit this mode.