Keithley 3721-ST User Manual

Appendix B: Verification and adjustment Series 3700A System Switch/Multimeter Reference Manual
B-24 3700AS-901-01 Rev. D/June 2018
Figure 171: 4-wire short diagram
DC adjustment step 0: A/D MUX Offset (factory calibration only)
Send the commands:
dmm.calibration.dc(0) print("done")
print(errorqueue.count)
DC adjustment step 1: Input four-wire short circuit
1. Allow the instrument to settle for 30 seconds.
2. Send the commands:
dmm.calibration.dc(1) print("done")
print(errorqueue.count)
DC adjustment step 2: Open circuit
1. Remove the four-wire short from the inputs.
Do not install cables to the inputs (cables will be installed in DC adjustment step 3: +10 Volt (on page
B-25)).
2. Send the commands:
dmm.calibration.dc(2) print("done")
print(errorqueue.count)

Keithley 3721-ST Specifications

General

Brand	Keithley
Model	3721-ST
Category	Multimeter
Language	English