In this section:
Introduction .............................................................................. 3-1
Environmental conditions ......................................................... 3-1
Warmup period ......................................................................... 3-2
Adjustment overview ................................................................ 3-2
Recommended test equipment ................................................ 3-3
General adjustment considerations .......................................... 3-3
Initial instrument setup ............................................................. 3-4
Remote calibration adjustment procedures .............................. 3-6
Enable temperature correction ............................................... 3-37
Save calibration and set the adjustment dates ....................... 3-38
Setting time, adjustment, and verification dates ..................... 3-38
Adjustment command timing and error checking ................... 3-39
Handling events ..................................................................... 3-39
Introduction
Use the procedures in this section to adjust the DMM6500 calibration.
DMM6500 performance is specified for a period of 90 days, 1 year, or 2 years from adjustment.
Adjustment should be performed at one of these intervals, depending on your specification
requirements.
Performance is specified relative to calibration adjustment temperature (T
cal
). Keithley factory
adjustment is performed at 23 °C ± 1 °C.
The information in this section is intended for qualified service personnel only. Do not
attempt these procedures unless you are qualified to do so. Some of these procedures may
expose you to hazardous voltages, which could cause personal injury or death if contacted.
Use appropriate safety precautions when working with hazardous voltages.
Environmental conditions
To make sure accurate results, the environment must meet the following conditions.
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