Keithley 2601B

Series 2600B
System SourceMeter® Instrument Reference Manual Section 2:
General operation
2600BS-901-01 Rev. B / May 2013 2-67
See Guard (on page 4-23) for details on the principles of guarding.
Figure 31: Models 2602B, 2604B, 2612B,and 2614B high-impedance guarding