In this section:
Introduction .............................................................................. 2-1
Verification test requirements ................................................... 2-2
Calibration verification limits ..................................................... 2-3
Performing the verification test procedures .............................. 2-4
Front-panel calibration verification ........................................... 2-6
Rear-panel verification ........................................................... 2-37
Introduction
Use the procedures in this section to verify that DMM6500 accuracy is within the limits stated in the
instrument’s one-year accuracy specifications. Specifications and characteristics are subject to
change without notice; refer to the Product Support web page (https://www.tek.com/product-support)
for the most recent specifications.
You can use these verifications procedures to:
• Make sure that the instrument was not damaged during shipment.
• Verify that the instrument meets factory specifications.
• Determine if adjustment is required.
• Verify that adjustment was done properly.
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.
If the instrument is still under warranty and its performance is outside specified limits, please contact
your local Keithley Instruments office, sales partner, or distributor. You can also call the corporate
headquarters of Keithley Instruments (toll-free inside the U.S. and Canada only) at 1-800-935-5595,
or from outside the U.S. at +1-440-248-0400. For worldwide contact numbers, visit the Keithley
Instruments website (http://www.tek.com/keithley).
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