Fluke 771 Operating Manual
®
771
Milliamp Process Clamp Meter
Calibration Manual
November 2007
© 2007 Fluke Corporation, All rights reserved. Printed in USA. Product specifications are subject to change without notice.
All product names are trademarks of their respective companies.
LIMITED WARRANTY AND LIMITATION OF LIABILITY
This Fluke product will be free from defects in material and workmanship for 3 years (one year for cable and
clamp) from the date of purchase. This warranty does not cover fuses, disposable batteries or damage from
accident, neglect, misuse or abnormal conditions of operation or handling. Resellers are not authorized to
extend any other warranty on Fluke’s behalf. To obtain service during the warranty period, send your
defective Meter to the nearest Fluke Authorized Service Center with a description of the problem.
THIS WARRANTY IS YOUR ONLY REMEDY. NO OTHER WARRANTIES, SUCH AS FITNESS FOR A
PARTICULAR PURPOSE, ARE EXPRESSED OR IMPLIED. FLUKE IS NOT LIABLE FOR ANY SPECIAL,
INDIRECT, INCIDENTAL OR CONSEQUENTIAL DAMAGES OR LOSSES, ARISING FROM ANY CAUSE
OR THEORY. Since some states or countries do not allow the exclusion or limitation of an implied warranty
or of incidental or consequential damages, this limitation of liability may not apply to you.
Fluke Corporation
P.O. Box 9090
Everett, WA 98206-9090
U.S.A.
Fluke Europe B.V.
P.O. Box 1186
5602 BD Eindhoven
The Netherlands
11/99
To register your product online, visit http://register.fluke.com
Table of Contents
Title Page
Introduction........................................................................................................ 1
Contacting Fluke................................................................................................ 2
Safety Information ............................................................................................. 2
Symbols ............................................................................................................. 3
Specifications..................................................................................................... 4
Getting Acquainted with the Meter.................................................................... 5
Maintenance....................................................................................................... 6
Cleaning the Meter ........................................................................................ 6
Battery Replacement ..................................................................................... 6
Performance Tests.............................................................................................. 8
Required Equipment...................................................................................... 8
Testing the Batteries ...................................................................................... 8
Testing the Display........................................................................................ 9
Display Hold Test.......................................................................................... 9
Backlight Test................................................................................................ 9
Spotlight LED Test........................................................................................ 9
Zero Test........................................................................................................ 9
Accuracy Tests .............................................................................................. 9
Calibration Adjustment...................................................................................... 11
Adjustment Subroutines ................................................................................ 11
Front Panel Operation for Adjustment .......................................................... 11
Calibration Error Messages ........................................................................... 12
Calibration Adjustment Procedure ................................................................ 12
Temperature Adjustment Procedure.............................................................. 13
Low Range Adjustment Procedure................................................................ 13
High Range Adjustment Procedure ............................................................... 13
Phase Adjustment Procedure......................................................................... 14
User Replaceable Parts ...................................................................................... 15
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Calibration Manual
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List of Tables
Table Title Page
1. Symbols.................................................................................................................. 3
2. Required Equipment............................................................................................... 8
3. Accuracy Tests ....................................................................................................... 10
4. Error Messages....................................................................................................... 12
5. Replaceable Parts ................................................................................................... 15
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Calibration Manual
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List of Figures
Figure Title Page
1. The 771 Milliamp Process Clamp Meter ............................................................... 5
2. Changing the Batteries ........................................................................................... 7
3. Display Test ........................................................................................................... 9
4. Accessing the Calibration Button........................................................................... 12
5. Phase Adjustment................................................................................................... 14
6. Replaceable Parts ................................................................................................... 16
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Calibration Manual
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