Fluke 867B Manuale utente

4822 872 00894

November 1997 , Rev. 3, 10/98

All product names are trademarks of their respective companies.

867B/863

Graphical Multimeter

Users Manual

Table of Contents

Chapter Title Page

1 A Quick Tour.................................................................................................... 1-1

Your Graphical Multimeter................................................................................. 1-1

About This Manual............................................................................................. 1-8

Combo Mode..................................................................................................... 1-9

Meter Mode ...................................................................................................... 1-9

View Mode......................................................................................................... 1-9

Trend Mode....................................................................................................... 1-9

Auto Diode Test Mode....................................................................................... 1-10

Logic Test Mode................................................................................................ 1-10

Component Test Mode...................................................................................... 1-10

Sleep Mode........................................................................................................ 1-10

2 Making Measurements.................................................................................... 2-1

Introduction........................................................................................................ 2-1

Measuring AC Volts........................................................................................... 2-4

867B/863

Users Manual

Measuring DC Volts........................................................................................... 2-6

Measuring DC Millivolts...................................................................................... 2-8

Measuring Ohms, Continuity, and Conductance................................................ 2-9

Testing Diodes and Measuring Capacitance ..................................................... 2-11

Measuring AC and DC Amps............................................................................. 2-13

Measuring AC and DC Milliamps and Microamps.............................................. 2-15

Using Component Test ...................................................................................... 2-17

Testing for Logic Activity.................................................................................... 2-20

Measuring Frequency ........................................................................................ 2-22

3 Some General Descriptions............................................................................ 3-1

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

Battery Considerations....................................................................................... 3-1

Display Blanking (Sleep Mode).......................................................................... 3-1

Using the............................................................................................................ 3-2

Backlight (Model 867B)...................................................................................... 3-2

Adjusting Contrast.............................................................................................. 3-2

General Features............................................................................................... 3-2

Understanding Display Features........................................................................ 3-7

Measurement Connections................................................................................ 3-10

4 Using the Hardkeys.......................................................................................... 4-1

Introduction ........................................................................................................ 4-1

Using Display Mode Softkeys ............................................................................ 4-1

Using Frequency Softkeys................................................................................. 4-2

Save/Print Softkeys............................................................................................ 4-3

Contents

(continued)

Min Max Softkeys.............................................................................................. 4-4

Range Softkeys................................................................................................. 4-5

Touch Hold........................................................................................................ 4-6

5 Using View and Trend Display Modes........................................................... 5-1

Introduction........................................................................................................ 5-1

View Display Mode Basics ................................................................................ 5-1

Using View Mode Softkeys................................................................................ 5-2

Setting Up the Time Base.................................................................................. 5-3

Setting Up the Trigger ....................................................................................... 5-4

Choosing the Acquisition Type.......................................................................... 5-7

Trend Display Mode Basics............................................................................... 5-10

Using Trend Mode Softkeys.............................................................................. 5-10

6 Using Save, Recall, Print, and Set Up............................................................ 6-1

Introduction........................................................................................................ 6-1

Using the Save/Print Softkeys........................................................................... 6-1

Saving Screen and Configuration...................................................................... 6-3

Recalling Screen or Configuration..................................................................... 6-4

Previewing Screen or Configuration.................................................................................. 6-4

Saving the Present Configuration...................................................................... 6-5

Printing............................................................................................................... 6-6

Changing the Configuration............................................................................... 6-8

7 User Maintenance............................................................................................ 7-1

Introduction........................................................................................................ 7-1

867B/863

Users Manual

Cleaning............................................................................................................. 7-1

Testing the Fuses............................................................................................... 7-1

Replacing the Batteries...................................................................................... 7-2

Replacing the 440 mA Fuses............................................................................. 7-2

Replacing the 11A (High Energy) Fuse.............................................................. 7-2

Reassembly ....................................................................................................... 7-3

Operational Test................................................................................................. 7-5

Self Test............................................................................................................. 7-5

If Your GMM Does Not Work ............................................................................. 7-8

8 Specifications................................................................................................... 8-1

General Specifications....................................................................................... 8-1

List of Tables

Table Title Page

1-1. Introducing Your Graphical Multimeter .................................................................. 1-2

1-2. A Practice Session................................................................................................. 1-6

1-3. Functions and Display Modes................................................................................ 1-11

2-1. Common Combo/Meter Mode Softkeys................................................................. 2-2

2-2. Component Testing (Capacitance)........................................................................ 2-18

3-1. General Features................................................................................................... 3-4

3-2. Upper Status Line.................................................................................................. 3-9

6-1. Set Up Selections .................................................................................................. 6-9

867B/863

Users Manual

vii

List of Figures

Figure Title Page

1-1. Graphical Multimeter Features............................................................................... 1-1

1-2. RS232 and AC Power Connections....................................................................... 1-1

1-3. Test Leads and Measurement Connections.......................................................... 1-4

1-4. Using the Battery Eliminator .................................................................................. 1-5

1-5. Volts and Amps Measurement Map....................................................................... 1-12

1-6. Ohms, Conductance, Diode Test, Capacitance Map............................................. 1-13

1-7. Logic Test, Component Test, and Set Up.............................................................. 1-14

1-8. Hz Min Max, and Range Map ................................................................................ 1-14

2-1. AC Volts Measurements........................................................................................ 2-4

2-2. DC Volts Measurements........................................................................................ 2-6

2-3. Millivolt Measurements .......................................................................................... 2-8

2-4. Ohms, Continuity, and Conductance Measurements............................................ 2-9

2-5. Diode Test and Capacitance Measurements......................................................... 2-11

2-6. Amps Measurements............................................................................................. 2-13

867B/863

Users Manual

viii

2-7. Milliamp and Microamp Measurements.................................................................. 2-15

2-8. Component Testing................................................................................................ 2-17

2-9. Component Test Patterns....................................................................................... 2-19

2-10. LOGIC Testing........................................................................................................ 2-20

2-11. Frequency Measurements...................................................................................... 2-22

3-1. General Features.................................................................................................... 3-3

3-2. Input Connections Screen...................................................................................... 3-7

3-3. Display Features..................................................................................................... 3-8

3-4. General Measurement Connections....................................................................... 3-10

3-5. Amps Measurement Connections .......................................................................... 3-10

3-6. Milliamp and Microamp Connections...................................................................... 3-11

3-7. LOGIC Testing Connections................................................................................... 3-11

5-1. Time Base Selection............................................................................................... 5-3

5-2. Trigger Icons........................................................................................................... 5-5

5-3. Setting Up the Trigger ............................................................................................ 5-6

5-4. Viewable Time Divisions (Single Shot and Glitch Capture).................................... 5-9

6-1. Freeze (Print/Save) Softkey Map ........................................................................... 6-2

6-2. PC and Printer Connections................................................................................... 6-7

7-1. Replacing the 11A (High Energy) Fuse.................................................................. 7-4

7-2. Replacing the Batteries .......................................................................................... 7-6

7-3. Replacing the 440 mA Fuse................................................................................... 7-7

mmSafety

In this manual, the word “WARNING” identifies

conditions and actions that pose hazard(s) to the

user. The word “CAUTION” refers to conditions

and/or actions that can damage the instrument. Use

of the instrument in a manner not specified may im-

pair safety. Read the following safety information

carefully before attempting to operate or service the

instrument.

• Avoid working alone.

• Disconnect the power and discharge high-

voltage capacitors before testing in Ohms

Continuity, Diode, Capacitance, and COMPO-

NENT Test.

• Inspect the test leads for damaged insulation or

exposed metal. Check test lead continuity.

Damaged leads should be replaced.

• Do not use the GMM if it looks damaged.

• Select the proper function and range for your

measurement.

• Use caution when working above 60V dc or 30V

ac rms. Such voltages pose a shock hazard.

• When using the probes, keep your fingers away

from probe contacts. Keep your fingers behind

the finger guards on the probes.

• Place test leads in proper input terminals.

• Disconnect the live test lead before disconnect-

ing the common test lead.

• When measuring current, turn the power off to

the circuit being tested before connecting the

GMM test tool in that circuit.

• Check GMM test tool fuses before measuring

current transformer secondary or motor winding

current. (See Testing the Fuses in the User

Maintenance chapter.) An open fuse may allow

high voltage buildup, which is potentially haz-

ardous.

• Use clamp-on probes (current clamps) when

measuring currents exceeding 10A.

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