Keithley 6482 - Page 287

17-32 Return to Section Topics 6482-901-01 Rev. A / August 2012
Section 17: Calibration Model 6482 Dual-Channel Picoammeter / Voltage Source Reference Manual
5. Table 17-11 summarizes the various calibration steps and associated commands, which are
covered in more detail throughout the procedure.
Table 17-11
Remote calibration step summary
Calibrated
function Calibration command* Test connections
Input offset
(channel 1)
Voltage bias
(channel 1)
Input offset
(channel 2)
Voltage bias
(channel 2)
:CAL:PROT:SOUR1:OFFS
:OUTP1 ON
:SOUR1:VOLT:RANG <Range>
:SOUR1:VOLT <+FS>
:CAL:PROT:SOUR1 <DMM_Reading>
:SOUR1:VOLT 0
:CAL:PROT:SOUR1 <DMM_Reading>
:SOUR1:VOLT <-FS>
:CAL:PROT:SOUR1 <DMM_Reading>
:OUTP1 OFF
:OUTP2 ON
:SOUR2:VOLT:RANG <Range>
:SOUR2:VOLT <+FS>
:CAL:PROT:SOUR2:OFFS
:CAL:PROT:SOUR2 <DMM_Reading>
:SOUR2:VOLT 0
:CAL:PROT:SOUR2 <DMM_Reading>
:SOUR2:VOLT <-FS>
:CAL:PROT:SOUR2 <DMM_Reading>
:OUTP2 OFF
Triaxial shield cap on channel 1 INPUT connector.
DMM to channel 1 OUTPUT/INPUT LO (Figure 17-7).
DMM to channel 1 OUTPUT/INPUT LO (Figure 17-7).
DMM to channel 1 OUTPUT/INPUT LO (Figure 17-7).
DMM to channel 2 OUTPUT/INPUT LO (Figure 17-8).
Triaxial shield cap on channel 2 INPUT connector.
DMM to channel 2 OUTPUT/INPUT LO (Figure 17-8).
DMM to channel 2 OUTPUT/INPUT LO (Figure 17-8).
Current
(channel 1,
2 nA to 2 μA
ranges)
:SENS1:CURR:RANG <Range>
:CAL:PROT:SENS1 <+FS_current>
:CAL:PROT:SENS1 <Zero_current>
:CAL:PROT:SENS1 <-FS_current>
Source to channel 1 INPUT (Figure 17-9).
Source to channel 1 INPUT (Figure 17-9).
Source to channel 1 INPUT (Figure 17-9).
Current
(channel 1,
20 μA to 20 mA
ranges)
:SENS1:CURR:RANG <Range>
:CAL:PROT:SENS1 <+FS_current>
:CAL:PROT:SENS1 <Zero_current>
:CAL:PROT:SENS1 <-FS_current>
Source to channel 1 INPUT (Figure 17-10).
Source to channel 1 INPUT (Figure 17-10).
Source to channel 1 INPUT (Figure 17-10).
Current
(channel 2,
2 nA to 2 μA
ranges)
:SENS2:CURR:RANG <Range>
:CAL:PROT:SENS2 <+FS_current>
:CAL:PROT:SENS2 <Zero_current>
:CAL:PROT:SENS2 <-FS_current>
Source to channel 2 INPUT (Figure 17-11).
Source to channel 2 INPUT (Figure 17-11).
Source to channel 2 INPUT (Figure 17-11).
Current
(channel 2,
20 μA to 20
mA
ranges)
:SENS2:CURR:RANG <Range>
:CAL:PROT:SENS2 <+FS_current>
:CAL:PROT:SENS2 <Zero_current>
:CAL:PROT:SENS2 <-FS_current>
Source to channel 2 INPUT (Figure 17-12).
Source to channel 2 INPUT (Figure 17-12).
Source to channel 2 INPUT (Figure 17-12).
*Procedure repeated separately for each range. Voltage <Range> = 10 or 30. Current <Range> = 2e-9 to 20e-3 in decade steps.