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May 2012
© 2012 Fluke Corporation. All rights reserved. Specifications are subject to change without notice.
All product names are trademarks of their respective companies.
1
28 II Ex
Digital Multimeter
Calibration Information
Introduction
XW
Warning
To prevent possible electrical shock, fire, or personal injury:
•
Read all safety information before you use the Product.
•
Do not do the performance tests or calibration adjustment
procedures unless qualified to do so.
•
Carefully read all instructions.
The 28 II Ex Calibration Information contains adjustment and performance test
procedures for the Fluke Model 28 II Ex Digital Multimeter (the Product or Meter).
This document includes:
•
Safety Information (page 2)
•
International Electrical Symbols (page 4)
•
•
General Maintenance (page 9)
•
Fuse Test (page 9)
•
Performance Tests (page 12)
•
Calibration Adjustment Procedure (page 16)
•
Limited Lifetime Warranty (page 20)
See the
28 II Ex Users Manual
for instructions on Product operation.
How to Contact Fluke
To contact Fluke, call one of the following telephone numbers:
•
Technical Support USA: 1-800-99-FLUKE (1-800-993-5853)
•
Calibration/Repair USA: 1-888-99-FLUKE (1-888-993-5853)
•
Canada: 1-800-36-FLUKE (1-800-363-5853)
•
Europe: +31 402-675-200
•
Japan: +81-3-3434-0181
•
Singapore: +65-6799-5566
•
Anywhere in the world: +1-425-446-5500
Or, visit Fluke's website at
To register your product, visit
To view, print, or download the latest manual supplement, visit