Keithley DMM6500

Table of contents
DMM6500 6½-Digit Multimeter with Scanning
Calibration and Adjustment Manual
General adjustment considerations ..................................................................................... 3-4
Initial instrument setup ......................................................................................................... 3-5
Select the correct terminals ....................................................................................................... 3-5
Select the TSP command set .................................................................................................... 3-5
Verify instrument date and time ................................................................................................. 3-6
Set up remote connections........................................................................................................ 3-6
Unlock calibration ...................................................................................................................... 3-6
Disable temperature correction ................................................................................................. 3-7
Remote calibration adjustment procedures ......................................................................... 3-7
Disable temperature correction ................................................................................................. 3-7
Front-terminal adjustment with a 4-wire short ........................................................................... 3-7
Rear-terminal adjustment with a 4-wire short .......................................................................... 3-10
Front-terminal adjustment with open circuit inputs .................................................................. 3-13
Rear-terminal adjustment with open circuit inputs ................................................................... 3-14
Resistance adjustment ............................................................................................................ 3-15
DC voltage adjustment ............................................................................................................ 3-18
DC current adjustment ............................................................................................................ 3-20
DC current 10 A range adjustment .......................................................................................... 3-24
AC voltage adjustment ............................................................................................................ 3-26
AC current adjustment ............................................................................................................ 3-29
AC current 10 A range adjustment .......................................................................................... 3-31
Frequency adjustment ............................................................................................................. 3-32
Complete list of calibration commands .................................................................................... 3-34
Enable temperature correction ........................................................................................... 3-46
Save calibration and set the adjustment dates .................................................................. 3-46
Setting time, adjustment, and verification dates ................................................................ 3-47
Adjustment command timing and error checking ............................................................... 3-47
Handling events ................................................................................................................. 3-48
TSP command reference ......................................................................................... 4-1
TSP commands .................................................................................................................... 4-1
Introduction ............................................................................................................................... 4-1
cal.adjust.count ......................................................................................................................... 4-2
cal.adjust.date ........................................................................................................................... 4-3
cal.adjust.step.setup() ............................................................................................................... 4-4
cal.adjust.step.execute() ........................................................................................................... 4-5
cal.lock() .................................................................................................................................... 4-6
cal.password ............................................................................................................................. 4-7
cal.save()................................................................................................................................... 4-8
cal.unlock() ................................................................................................................................ 4-9
cal.verify.date .......................................................................................................................... 4-10