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True RMS Multimeter
Calibration Manual
PN 1584337
November 2000 Rev.1, 6/02
© 2000-2002 Fluke Corporation. All rights reserved. Printed in U.S.A.
All product names are trademarks of their respective companies.
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LIFETIME LIMITED WARRANTY
Each Fluke 20, 70, 80, 170 and 180 Series DMM will be free from defects in material and workmanship for its lifetime. As
used herein, “lifetime” is defined as seven years after Fluke discontinues manufacturing the product, but the warranty period
shall be at least ten years from the date of purchase. This warranty does not cover fuses, disposable batteries, damage
from neglect, misuse, contamination, alteration, accident or abnormal conditions of operation or handling, including failures
caused by use outside of the product’s specifications, or normal wear and tear of mechanical components. This warranty
covers the original purchaser only and is not transferable.
For ten years from the date of purchase, this warranty also covers the LCD. Thereafter, for the lifetime of the DMM, Fluke
will replace the LCD for a fee based on then current component acquisition costs.
replace or refund the purchase price of a defective product purchased through a Fluke authorized sales outlet and at the
applicable international price. Fluke reserves the right to charge for importation costs of repair/replacement parts if the
product purchased in one country is sent for repair elsewhere.
If the product is defective, contact your nearest Fluke authorized service center to obtain return authorization information,
then send the product to that service center, with a description of the difficulty, postage and insurance prepaid (FOB
Destination). Fluke assumes no risk for damage in transit. Fluke will pay return transportation for product repaired or
replaced in-warranty. Before making any non-warranty repair, Fluke will estimate cost and obtain authorization, then
invoice you for repair and return transportation.
THIS WARRANTY IS YOUR ONLY REMEDY. NO OTHER WARRANTIES, SUCH AS FITNESS FOR A PARTICULAR
PURPOSE, ARE EXPRESSED OR IMPLIED. FLUKE SHALL NOT BE LIABLE FOR ANY SPECIAL, INDIRECT,
INCIDENTAL OR CONSEQUENTIAL DAMAGES OR LOSSES, INCLUDING LOSS OF DATA, ARISING FROM ANY
CAUSE OR THEORY. AUTHORIZED RESELLERS ARE NOT AUTHORIZED TO EXTEND ANY DIFFERENT
WARRANTY ON FLUKE’S BEHALF. Since some states 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. If any provision of this warranty is
held invalid or unenforceable by a court or other decision-maker of competent jurisdiction, such holding will not affect the
validity or enforceability of any other provision.
Fluke Corporation
Fluke Europe B.V.
P.O. Box 9090
P.O. Box 1186
Everett, WA 98206-9090
5602 BD Eindhoven
U.S.A.
The Netherlands
2/02
To establish original ownership and prove date of purchase, please complete and return the registration card
accompanying the product, or register your product on http://www.fluke.com . Fluke will, at its option, repair at no charge,
 
Table of Contents
Title
Page
Introduction ....................................................................................................... 1
Contacting Fluke ............................................................................................... 1
Precautions and Safety Information .................................................................. 2
International Symbols........................................................................................ 2
Safety Information............................................................................................. 3
Specifications .................................................................................................... 4
Accuracy ....................................................................................................... 4
Feature Summary .......................................................................................... 4
Basic Specifications .......................................................................................... 5
Detailed Accuracy Specifications ..................................................................... 6
Frequency Counter Sensitivity .......................................................................... 9
Burden Voltage (A, mA, µA) ............................................................................ 9
Input Characteristics.......................................................................................... 9
Required Equipment.......................................................................................... 10
Basic Maintenance ............................................................................................ 11
Opening the Meter Case................................................................................ 11
Removing and Reinserting the Circuit Board Assembly .............................. 11
Replacing the LCD........................................................................................ 12
Reassembling the Meter Case ....................................................................... 13
Testing Fuses (F1 and F2)............................................................................. 13
Replacing Fuses ............................................................................................ 14
Replacing the Batteries ................................................................................. 14
Cleaning ........................................................................................................ 15
Performance Tests ............................................................................................. 16
Testing the Display ....................................................................................... 16
Backlight Test ............................................................................................... 16
Current Terminal Sensing Test ..................................................................... 16
Keypad Test .................................................................................................. 17
Verification of the IR Communication Port.................................................. 17
Testing Temperature ..................................................................................... 17
Testing Voltage, Current, Resistance, Capacitance and Diode Functions.... 18
Calibration ......................................................................................................... 21
Keypad Interface ........................................................................................... 21
General Procedure......................................................................................... 22
Special Requirements.................................................................................... 23
Calibration Inputs.......................................................................................... 23
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Calibration Manual
Remote Interface ........................................................................................... 25
Temperature Calibration ............................................................................... 25
Setup ......................................................................................................... 25
Procedure .................................................................................................. 26
Re-Programming Serial Number or Model Number ..................................... 26
Parts and Accessories ........................................................................................ 27
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List of Tables
Table
Title
Page
1.
International Symbols ............................................................................................ 2
2.
Required Tools and Equipment ............................................................................. 10
3.
Temperature Test Input and Display ..................................................................... 17
4.
Performance Test Steps ......................................................................................... 18
5.
Calibration Inputs .................................................................................................. 23
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