Table Of Contents - Keithley SourceMeter 3A 2420 Service Manual

Table of Contents

1
Performance Verification
Introduction .........................................................................................1-2
Verification test requirements ..............................................................1-2
Environmental conditions.............................................................1-2
Warm-up period ............................................................................1-2
Line power ....................................................................................1-3
Recommended test equipment .........................................................1-3
1Ω resistor characterization .........................................................1-3
Verification limits .............................................................................1-4
Example limits calculation............................................................1-4
Resistance limits calculation.........................................................1-4
Restoring factory defaults ................................................................1-5
Performing the verification procedures ............................................1-5
Test summary................................................................................1-5
Test considerations .......................................................................1-6
Setting the source range and output value ....................................1-6
Setting the measurement range.....................................................1-7
Compliance considerations ..............................................................1-7
Compliance limits.........................................................................1-7
Type of compliance.......................................................................1-7
Maximum compliance values .......................................................1-8
Determining compliance limit ......................................................1-8
Taking the SourceMeter out of compliance..................................1-8
Output voltage accuracy ...................................................................1-9
Voltage measurement accuracy...................................................1-10
Output current accuracy..............................................................1-11
Current measurement accuracy ......................................................1-13
Resistance measurement accuracy .................................................1-15
2
Calibration
Introduction ......................................................................................2-2
Environmental conditions.................................................................2-2
Temperature and relative humidity ...............................................2-2
Warm-up period ............................................................................2-2
Line power ....................................................................................2-2
Calibration considerations................................................................2-3
Calibration cycle ...........................................................................2-3
Recommended calibration equipment...........................................2-3
1Ω resistor characterization ..........................................................2-4
Unlocking calibration .......................................................................2-4
Unlocking calibration from the front panel ..................................2-4
Unlocking calibration by remote ..................................................2-5