Keithley 6485 Instruction Manual page 13

12 SCPI Signal Oriented Measurement Commands
13 DISPlay, FORMat, and SYSTem
DISPlay subsystem .................................................................. 13-2
FORMat subsystem .................................................................. 13-3
SYSTem subsystem .................................................................. 13-8
14 SCPI Reference Tables
General notes ............................................................................ 14-2
15 Performance Verification
Introduction .............................................................................. 15-2
Verification test requirements ................................................... 15-2
Environmental conditions ................................................. 15-2
Warm-up period ................................................................ 15-3
Line power ........................................................................ 15-3
Recommended test equipment ................................................. 15-3
Verification limits ..................................................................... 15-5
Example reading limits calculation ................................... 15-5
Calibrator voltage calculations ................................................. 15-5
Performing the verification test procedures ............................. 15-6
Test considerations ............................................................ 15-6
Restoring factory defaults ................................................. 15-6
Offset voltage calibration ......................................................... 15-7
Current measurement accuracy ................................................ 15-7
20mA-20mA range accuracy ............................................ 15-7
2nA-2mA range accuracy ................................................. 15-8
16 Calibration
Introduction .............................................................................. 16-2
Environmental conditions ........................................................ 16-2
Temperature and relative humidity ................................... 16-2
Warm-up period ................................................................ 16-2
Line power ........................................................................ 16-2
Calibration considerations ........................................................ 16-3
Calibration cycle ...................................................................... 16-3
Recommended calibration equipment ...................................... 16-3
Calibration errors ..................................................................... 16-4
Calibration menu ...................................................................... 16-5
Aborting calibration ................................................................. 16-6
Current calculations ................................................................. 16-6