Tektronix DMM4020 Product manual

DMM4020
Digital Multimeter
Technical Reference
Revision B
077-0365-02

Copyright © Tektronix. All rights reserved. Licensed software products are owned by Tektronix
or its subsidiaries or suppliers, and are protected by national copyright laws and international
treaty provisions.
Tektronix products are covered by U.S. and foreign patents, issued and pending. Information in
this publication supersedes that in all previously published material. Specifications and price
change privileges reserved.
TEKTRONIX and TEK are registered trademarks of Tektronix, Inc.
Contacting Tektronix, Inc.
Tektronix, Inc.
14200 SW Karl Braun Drive
P.O. Box 500
Beaverton, OR 97077
USA
For product information, sales, service, and technical support:
-In North America, call 1-800-833-9200.
-Worldwide, visit www.tektronix.com to find contacts in your area.

Table of Contents
Chapter Title Page
1 Introduction and Specifications......................................................... 1-1
General Safety Summary................................................................................... 1-3
To Avoid Fire or Personal Injury.............................................................. 1-3
Symbols and Terms................................................................................... 1-6
Safety and Electrical Symbols .................................................................. 1-6
Description of IEC 61010 Measurement Categories................................. 1-7
Introduction........................................................................................................ 1-8
Manual Set......................................................................................................... 1-9
About This Manual............................................................................................ 1-9
General Specifications ....................................................................................... 1-10
Voltage .......................................................................................................... 1-10
Dimensions.................................................................................................... 1-10
Display........................................................................................................... 1-10
Environment .................................................................................................. 1-10
Triggering...................................................................................................... 1-10
Math Functions.............................................................................................. 1-10
Electrical........................................................................................................ 1-10
Remote Interfaces.......................................................................................... 1-10
Warranty........................................................................................................ 1-10
Electrical Specifications .................................................................................... 1-11
DC Voltage Specifications ............................................................................ 1-11
AC Voltage Specifications ............................................................................ 1-12
Resistance...................................................................................................... 1-13
DC Current .................................................................................................... 1-13
AC Current .................................................................................................... 1-14
Frequency ...................................................................................................... 1-15
Continuity...................................................................................................... 1-15
Diode Test ..................................................................................................... 1-15
2 General Maintenance .......................................................................... 2-1
Introduction........................................................................................................ 2-3
General Maintenance Information..................................................................... 2-3
Required Equipment...................................................................................... 2-3
Static Safe Handling...................................................................................... 2-3
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DMM4020
Technical Reference
Cleaning............................................................................................................. 2-4
Storing and Shipping the Meter......................................................................... 2-4
Power Considerations ........................................................................................ 2-4
Selecting the Line Voltage ............................................................................ 2-4
Replacing the Fuses....................................................................................... 2-5
Line-Power Fuse ....................................................................................... 2-5
Current-Input Fuses................................................................................... 2-6
If the Meter Does Not Turn On.......................................................................... 2-7
Display Tests...................................................................................................... 2-7
3 Performance Verification and Calibration......................................... 3-1
Introduction........................................................................................................ 3-3
Required Equipment .......................................................................................... 3-3
Direct Voltage Verification................................................................................ 3-4
Alternating Voltage Verification ....................................................................... 3-5
4-Wire Ohms Verification ................................................................................. 3-6
2-Wire Ohms Verification ................................................................................. 3-7
Direct Current Verification................................................................................ 3-8
Alternate Current Verification........................................................................... 3-11
Frequency Verification ...................................................................................... 3-12
Adjustment (Calibration)................................................................................... 3-12
Equipment for Calibration............................................................................. 3-12
Adjustment Process ....................................................................................... 3-12
Front Panel Adjustments ............................................................................... 3-12
RS-232 Calibration (Manual)........................................................................ 3-17
Calibration Points...................................................................................... 3-18
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List of Tables
Table Title Page
2-1. Line Voltage to Fuse Rating................................................................................... 2-5
3-1. Required Test Equipment....................................................................................... 3-3
3-2. Direct Voltage Verification Steps .......................................................................... 3-4
3-3. Alternating Voltage Verification Steps.................................................................. 3-5
3-4. 4-Wire Ohms Verification Steps............................................................................ 3-6
3-5. 2-Wire Ohms Verification Steps............................................................................ 3-7
3-6. Direct Current Verification Steps........................................................................... 3-10
3-7. Alternating Current Verification Steps .................................................................. 3-11
3-8. Frequency Verification Steps................................................................................. 3-12
3-9. Adjustment Steps ................................................................................................... 3-13
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Technical Reference
iv

List of Figures
Figure Title Page
1-1. IEC 61010 Measurement Category (CAT) Levels................................................. 1-7
2-1. Replacing the Line Power Fuse.............................................................................. 2-5
2-2. Replacing the Current-Input Fuses......................................................................... 2-7
2-3. Display Elements ................................................................................................... 2-8
3-1. Direct and Alternating Voltage Verification Test Setup........................................ 3-4
3-2. 4-Wire Ohms Test Setup........................................................................................ 3-6
3-3. 2-Wire Ohms Test Setup........................................................................................ 3-7
3-4. Less than 2 Amps Direct and Alternating Current Test Setup............................... 3-8
3-5. 2 Amps and Greater Direct and Alternating Current Test Setup............................ 3-9
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Technical Reference
vi

Chapter 1
Introduction and Specifications
Title Page
General Safety Summary..................................................................................... 1-3
To Avoid Fire or Personal Injury................................................................ 1-3
Symbols and Terms..................................................................................... 1-6
Safety and Electrical Symbols .................................................................... 1-6
Description of IEC 61010 Measurement Categories................................... 1-7
Introduction.......................................................................................................... 1-8
Manual Set........................................................................................................... 1-9
About This Manual.............................................................................................. 1-9
General Specifications......................................................................................... 1-10
Voltage ............................................................................................................ 1-10
Dimensions...................................................................................................... 1-10
Display............................................................................................................. 1-10
Environment .................................................................................................... 1-10
Triggering........................................................................................................ 1-10
Math Functions................................................................................................ 1-10
Electrical.......................................................................................................... 1-10
Remote Interfaces............................................................................................ 1-10
Warranty.......................................................................................................... 1-10
Electrical Specifications ...................................................................................... 1-11
DC Voltage Specifications .............................................................................. 1-11
AC Voltage Specifications .............................................................................. 1-12
Resistance........................................................................................................ 1-13
DC Current ...................................................................................................... 1-13
AC Current ...................................................................................................... 1-14
Frequency ........................................................................................................ 1-15
Continuity........................................................................................................ 1-15
Diode Test ....................................................................................................... 1-15
1-1

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Technical Reference
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