Keithley 2015, Service Manual

Page: 13 / 158

List of Tables
1
Performance Verification
Recommended verification equipment ........................................... 1-4
DCV reading limits ........................................................................ 1-9
ACV reading limits ....................................................................... 1-11
DCI limits ..................................................................................... 1-12
ACI limits ..................................................................................... 1-13
Limits for resistance verification .................................................. 1-15
Thermocouple temperature verification reading limits ................ 1-16
2
Calibration
Recommended equipment for comprehensive calibration ............. 2-6
Comprehensive calibration procedures .......................................... 2-8
DC volts calibration summary ...................................................... 2-10
Ohms calibration summary .......................................................... 2-11
DC current calibration summary .................................................. 2-12
AC voltage calibration summary .................................................. 2-13
AC current calibration summary .................................................. 2-14
Distortion and function generator calibration summary .............. 2-15
DC voltage calibration programming steps .................................. 2-18
Resistance calibration programming steps ................................... 2-19
DC current calibration programming steps .................................. 2-20
AC voltage calibration programming steps .................................. 2-21
AC current calibration programming steps .................................. 2-22
Distortion and function generator calibration steps ..................... 2-22
Recommended equipment for manufacturing calibration ............ 2-24
3
Routine Maintenance
Power line fuse ............................................................................... 3-3
4
Troubleshooting
Power supply components .............................................................. 4-7
Display board checks ................................................................... 4-18
Power supply checks .................................................................... 4-19
Digital circuitry checks ................................................................ 4-20
DCV signal switching .................................................................. 4-21
ACV and FREQ signal switching ................................................. 4-21
Ω
2 signal switching ...................................................................... 4-22
Ω
4 signal switching ...................................................................... 4-22
Ω
2/
Ω
4 reference switching .......................................................... 4-22
DCA signal switching .................................................................. 4-23