Keithley 6485, User Manual, Page: 58 / 115

3-2 Measurements and Sourcing Voltage Model 6485 and 6487 User’s Manual
Measurement overview
Current measurements
The basic current measurement capabilities of the Models 6485 and 6487 are summarized
in
Table 3-1 . Accuracy for each measurement function and range is listed in the specifica-
tions ( Appendix A ).
Table 3-1
Basic Model 6485 and 6487 current measurement capabilities
Function Reading Range Available Ranges
Amps ±10fA to ±21mA 2nA, 20nA, 200nA,
2
μ
A, 20
μ
A, 200
μ
A,
2mA, and 20mA
Model 6487 voltage source
The basic voltage source output capabilities of the Model 6487 are summarized in
Table 3-2 . Accuracy specifications are shown in Appendix A .
Table 3-2
Basic Model 6487 voltage source output capabilities
Function Output Range Available Ranges
Source voltage ±200
μ
V to ±505V 10V, 50V, 500V