Tektronix, Inc. DMM4050 Manual de uso y cuidado

DMM4040 and DMM4050

Digital Multimeter

Technical Reference

077-0362-01

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

Introduction........................................................................................................ 1-3

General Safety Summary................................................................................... 1-4

To Avoid Fire or Personal Injury.............................................................. 1-4

Symbols and Terms................................................................................... 1-7

Safety and Electrical Symbols .................................................................. 1-7

Description of IEC 61010 Measurement Categories................................. 1-8

Organization of the Calibration Manual............................................................ 1-8

Chapter 1 – Introduction and Specifications ................................................. 1-9

Chapter 2 – General Maintenance ................................................................. 1-9

Chapter 3 – Performance Test and Calibration.............................................. 1-9

Operating Instructions........................................................................................ 1-9

Accessories ........................................................................................................ 1-9

General Specifications ....................................................................................... 1-11

Power............................................................................................................. 1-11

Dimensions.................................................................................................... 1-11

Display........................................................................................................... 1-11

Environment .................................................................................................. 1-11

Triggering...................................................................................................... 1-11

Memory ......................................................................................................... 1-11

Math Functions.............................................................................................. 1-11

Electrical........................................................................................................ 1-12

Remote Interfaces.......................................................................................... 1-12

Warranty........................................................................................................ 1-12

Electrical Specifications .................................................................................... 1-12

DC Voltage Specifications ............................................................................ 1-12

Input Characteristics.................................................................................. 1-12

4050 Accuracy .......................................................................................... 1-13

4040 Accuracy .......................................................................................... 1-13

Additional Errors....................................................................................... 1-13

AC Voltage Specifications ............................................................................ 1-13

Input Characteristics.................................................................................. 1-14

4040/4050 Accuracy ................................................................................. 1-14

Additional Low Frequency Errors............................................................. 1-15

Resistance...................................................................................................... 1-15

DMM4040 and DMM4050

Technical Reference

Input Characteristics.................................................................................. 1-15

4040/4050 Accuracy ................................................................................. 1-16

Additional Ohms Errors............................................................................ 1-16

DC Current .................................................................................................... 1-16

Input Characteristics.................................................................................. 1-16

Accuracy (4040/4050)............................................................................... 1-17

Additional Current Errors ......................................................................... 1-17

AC Current .................................................................................................... 1-18

Input Characteristics.................................................................................. 1-18

4040/4050 Accuracy ................................................................................. 1-19

Additional Low Frequency Errors............................................................. 1-20

Frequency ...................................................................................................... 1-20

4040/4050 Accuracy ................................................................................. 1-20

Gate Time vs. Resolution.......................................................................... 1-20

Additional Low Frequency Errors............................................................. 1-20

Capacitance (4050 only)................................................................................ 1-21

Temperature (4050 only)............................................................................... 1-21

Additional Errors........................................................................................... 1-21

Continuity...................................................................................................... 1-21

Diode Test ..................................................................................................... 1-22

Measurement Rates (IEEE488[4])................................................................. 1-22

Measurement Uncertainty.................................................................................. 1-22

Interpreting Accuracy Specifications................................................................. 1-23

24-Hour Accuracy ......................................................................................... 1-23

90-Day and 1-Year Accuracy........................................................................ 1-23

Temperature Coefficients .............................................................................. 1-23

Configuring for Highest Accuracy Measurements ............................................ 1-23

DC Voltage, DC Current, and Resistance Measurements ............................. 1-23

AC Voltage and AC Current Measurements:................................................ 1-23

Frequency and Period Measurements:........................................................... 1-23

2 General Maintenance .......................................................................... 2-1

Introduction........................................................................................................ 2-3

Warranty Repairs and Shipping Information..................................................... 2-3

General Maintenance Information..................................................................... 2-3

Required Equipment...................................................................................... 2-3

Power Requirements...................................................................................... 2-3

Static Safe Handling...................................................................................... 2-3

Cleaning............................................................................................................. 2-4

Fuse Replacement.............................................................................................. 2-4

Line-Power Fuse............................................................................................ 2-4

Current-Input Fuses....................................................................................... 2-5

If the Meter Does Not Turn On.......................................................................... 2-7

Display Tests...................................................................................................... 2-7

Disassembly Procedures .................................................................................... 2-7

General Disassembly..................................................................................... 2-7

Main Chassis Disassembly............................................................................ 2-8

Front Panel Disassembly ............................................................................... 2-8

Assembly Procedures......................................................................................... 2-8

3 Performance Test and Calibration..................................................... 3-1

Introduction........................................................................................................ 3-4

Required Equipment .......................................................................................... 3-4

Test Considerations............................................................................................ 3-6

Contents (continued)

Performance Tests.............................................................................................. 3-6

Volts DC Verification.................................................................................... 3-6

Volts DC Ratio Verification.......................................................................... 3-10

Volts AC and Frequency Verification........................................................... 3-12

4-Wire Ohms Verification............................................................................. 3-15

2-Wire Ohms Verification............................................................................. 3-17

2X4 Test Lead Verification Steps ................................................................. 3-18

Rear Panel Terminal Verification Steps ........................................................ 3-19

Capacitance Verification Steps (DMM4050 only)........................................ 3-21

DC Current Verification Steps ...................................................................... 3-23

AC Current Verification Steps ...................................................................... 3-25

Adjustment (Calibration)................................................................................... 3-27

Unlocking the Meter for Adjustments (Calibration) ..................................... 3-27

Unlocking the Meter for Adjustments Over a Remote Interface................... 3-27

Changing the Calibration Password .............................................................. 3-27

Resetting the Calibration Password............................................................... 3-28

Changing the Calibration Date ...................................................................... 3-29

Equipment for Calibration............................................................................. 3-29

Adjustment Process ....................................................................................... 3-29

Aborting a Calibration Process...................................................................... 3-35

Sample Adjustment Program......................................................................... 3-35

Appendices

A Verification Forms ...................................................................................... A-1

B Example Adjustment Program .................................................................... B-1

iii

DMM4040 and DMM4050

Technical Reference

List of Tables

Table Title Page

1-1. Accessories............................................................................................................. 1-9

2-1. Line Voltage to Fuse Rating................................................................................... 2-5

3-1. Required Test Equipment....................................................................................... 3-4

3-2. DMM4050 DC Volts Verification Steps................................................................ 3-8

3-3. DMM4040 DC Volts Verification Steps................................................................ 3-9

3-4. DMM4050 DC Volts Ratio Verification Steps...................................................... 3-11

3-5. DMM4040 DC Volts Ratio Verification Steps...................................................... 3-11

3-6. DMM4040/4050 AC Volts Verification Steps....................................................... 3-13

3-7. DMM4040/4050 AC Volts Frequency Verification Steps..................................... 3-14

3-8. DMM4040/4050 4-Wire Ohms Verification Steps................................................ 3-16

3-9. DMM4040/4050 2-Wire Ohms Verification Steps................................................ 3-18

3-10. DMM4050 Rear-Panel Terminal Verification Steps (Optional Test).................... 3-20

3-11. DMM4040 Rear-Panel Terminal Verification Steps (Optional Test).................... 3-20

3-12. DMM4050 Capacitance Verification Steps ........................................................... 3-22

3-13. DMM4040/4050 DC Current Verification Steps................................................... 3-24

3-15. DMM4040/4050 Adjustment Steps ....................................................................... 3-29

DMM4040 and DMM4050

Technical Reference

List of Figures

Figure Title Page

1-1. IEC 61010 Measurement Category (CAT) Levels................................................. 1-8

2-1. Line Fuse Replacement.......................................................................................... 2-5

2-2. Current Input Fuse Replacement............................................................................ 2-6

3-1. DC Volts Test Equipment Setup with 5520A........................................................ 3-7

3-2. DC Volts Ratio Test Equipment Setup with 5520A and 5720A............................ 3-10

3-3. AC Volts Test Equipment Setup with 5520A........................................................ 3-12

3-4. 4-Wire Ohms Test Equipment Setup ..................................................................... 3-15

3-5. 2-Wire Ohms Test Equipment Setup ..................................................................... 3-17

3-6. Rear-Panel Terminals Equipment Setup ................................................................ 3-19

3-7. Capacitance Equipment Setup................................................................................ 3-21

3-8. 100 mA DC Current Equipment Setup .................................................................. 3-23

3-9. AC Current Equipment Setup ................................................................................ 3-25

3-10. Calibration Jumper Location.................................................................................. 3-28

vii

DMM4040 and DMM4050

Technical Reference

viii

Este manual sirve para los siguientes modelos

Tabla de contenidos

Manuales populares de Multímetro de otras marcas

Agilent Technologies

Agilent Technologies 34420A Manual de usuario

Fluke

Fluke 83 Manual de usuario

Hameg

Hameg HM 8012 Manual de usuario

Mastech

Mastech MY70 Manual de usuario

Steren

Steren MUL-300 Manual de usuario

Somogyi Elektronic

Somogyi Elektronic home SMA 92 Manual de usuario

Gossen MetraWatt

Gossen MetraWatt METRAmax 6 Manual de usuario

PeakTech

PeakTech 4000 Manual de uso y cuidado

YOKOGAWA

YOKOGAWA 90050B Manual de usuario

Gossen MetraWatt

Gossen MetraWatt METRALINE DMM16 Manual de usuario

Fluke

Fluke 8846A Manual de operación y mantenimiento

Tempo Communications

Tempo Communications MM200 Manual de usuario

Elenco Electronics

Elenco Electronics CM-1555 Manual de usuario

Mastech

Mastech MS8238C Manual de usuario

SDAR

SDAR 830A, 830B, 830D, 830C Manual de usuario

RS PRO

RS PRO RS-9519BT Manual de usuario

BGS technic

BGS technic 8890 Manual de usuario

Amprobe

Amprobe Hexagon 60 Manual de usuario