Fluke 87 Series IV Bedienungsanleitung

Model 87 & 89 Series IV

True RMS Multimeter

Users Manual

March 1999 Rev.2, 3/00

All product names are trademarks of their respective companies.

LIFETIME LIMITED WARRANTY

Each Fluke 20, 70, and 80 Series DMM purchased after October 1, 1996 will be free from defects in material and workmanship for its life-

time. This warranty does not cover fuses, disposable batteries and damage from neglect, misuse, contamination, alteration, accident or

abnormal conditions of operation or handling, including overvoltage failures caused by use outside the DMMs specified rating, 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.

To establish original ownership and prove date of purchase, please complete and return the registration card accompanying the product.

Fluke will, at its option, repair at no charge, replace, or refund the purchase price of a defective product purchased through a Fluke author-

ized sales outlet and at the applicable international price. Fluke reserves the right to charge for importation costs of repair/replacement parts

if product purchased in one country is sent for repair elsewhere.

If 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 dam-

age 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

11/99

Table of Contents

Chapter Title Page

1 Before You Start.......................................................................................................... 1-1

Safety Information......................................................................................................... 1-1

Contacting Fluke ........................................................................................................... 1-1

Symbols.........................................................................................................................1-4

2 Getting Acquainted ..................................................................................................... 2-1

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

Turning the Meter On.................................................................................................... 2-1

Battery Considerations.................................................................................................. 2-2

Automatic Power Off................................................................................................. 2-2

Automatic Backlight Off ............................................................................................ 2-3

Low Battery Indication.............................................................................................. 2-3

Rotary Switch................................................................................................................ 2-4

Pushbuttons .................................................................................................................. 2-5

Model 87 & 89 Series IV

Users Manual

Selecting the Range ...................................................................................................... 2-10

Understanding the Display............................................................................................. 2-10

Primary Display......................................................................................................... 2-10

Secondary Display.................................................................................................... 2-11

Bar Graph.................................................................................................................. 2-11

Using the Input Terminals.............................................................................................. 2-17

Using Display Hold......................................................................................................... 2-18

Using AutoHOLD ........................................................................................................... 2-18

Using MIN MAX ............................................................................................................. 2-19

Using FAST MN MX....................................................................................................... 2-20

Using HOLD with MIN MAX or FAST MN MX........................................................... 2-21

Using Relative Mode (REL) ........................................................................................... 2-21

3 Making Measurements ................................................................................................ 3-1

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

Measuring Voltage......................................................................................................... 3-1

Measuring AC Voltage.............................................................................................. 3-2

dB Measurements in AC Volts Functions.................................................................. 3-3

Measuring DC Voltage.............................................................................................. 3-4

Both AC and DC Voltage Measurements.................................................................. 3-4

Measuring Resistance ................................................................................................... 3-6

Testing for Continuity..................................................................................................... 3-8

Using Conductance for High Resistance Tests.............................................................. 3-9

Measuring Capacitance................................................................................................. 3-12

Testing Diodes............................................................................................................... 3-13

Measuring Temperature................................................................................................. 3-15

Measuring Current......................................................................................................... 3-16

Input Alert™ Feature................................................................................................. 3-17

Contents

(continued)

iii

Measuring AC Current.............................................................................................. 3-18

Measuring DC Current.............................................................................................. 3-20

Measuring Frequency.................................................................................................... 3-22

Measuring Duty Cycle ................................................................................................... 3-23

Measuring Pulse Width ................................................................................................. 3-25

4 Using Memory & Communications Features (Model 89)......................................... 4-1

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

Types of Memory........................................................................................................... 4-1

Saved Readings Memory ......................................................................................... 4-1

Logged Readings Memory........................................................................................ 4-1

Storing Saved Readings................................................................................................ 4-2

Starting Logging............................................................................................................ 4-2

Stopping Logging .......................................................................................................... 4-2

Viewing Memory Data ................................................................................................... 4-3

Clearing Memory........................................................................................................... 4-5

Using Communications.................................................................................................. 4-5

5 Changing the Default Settings................................................................................... 5-1

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

Selecting Setup Options................................................................................................ 5-1

Adjusting the Temperature Offset ................................................................................. 5-4

Selecting Display Resolution (3 1/2 or 4 1/2 Digits) ..................................................... 5-6

Setting the Power Off Timeout...................................................................................... 5-6

Setting the 24-Hour Clock............................................................................................. 5-7

Setting the Line (Main) Frequency................................................................................ 5-7

Returning to Factory Defaults........................................................................................ 5-8

Saving Setup Options.................................................................................................... 5-8

Model 87 & 89 Series IV

Users Manual

6 Maintenance................................................................................................................. 6-1

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

General Maintenance..................................................................................................... 6-1

Testing the Fuses.......................................................................................................... 6-1

Replacing the Batteries.................................................................................................. 6-3

Replacing the Fuses...................................................................................................... 6-5

User-Replaceable Parts................................................................................................. 6-5

In Case of Difficulty........................................................................................................ 6-5

7 Specifications .............................................................................................................. 7-1

Safety and Compliances................................................................................................ 7-1

Physical Specifications .................................................................................................. 7-2

Feature Summary.......................................................................................................... 7-3

Basic Specifications....................................................................................................... 7-4

Detailed Accuracy Specifications................................................................................... 7-5

Frequency Counter Sensitivity....................................................................................... 7-11

Burden Voltage (A, mA, µA)........................................................................................... 7-11

Input Characteristics...................................................................................................... 7-12

List of Tables

Table Title Page

1-1.Safety Information................................................................................................................1-2

1-2.International Electrical Symbols...........................................................................................1-4

2-1.Rotary Switch Selections......................................................................................................2-6

2-2.Pushbuttons..........................................................................................................................2-8

2-3.Display Features...................................................................................................................2-13

3-1. Current Measurement...........................................................................................................3-16

4-1.View Display.........................................................................................................................4-4

5-1.Function Specific Setup Selections......................................................................................5-2

5-2.Common Setup Selections...................................................................................................5-3

6-1.User-Replaceable Parts.......................................................................................................6-6

Model 87 & 89 Series IV

Users Manual

vii

List of Figures

Figure Title Page

2-1. AC Volts Display................................................................................................................... 2-2

2-2. Rotary Switch ....................................................................................................................... 2-4

2-3. Pushbuttons.......................................................................................................................... 2-5

2-4. Display Features................................................................................................................... 2-12

2-5. Input Terminals..................................................................................................................... 2-17

2-6. Display Hold and AutoHOLD................................................................................................ 2-18

2-7. Min Max Avg......................................................................................................................... 2-20

2-8. Relative Mode....................................................................................................................... 2-21

3-1. AC Voltage Measurement .................................................................................................... 3-2

3-2. dBm Display ......................................................................................................................... 3-3

3-3. AC and DC Display............................................................................................................... 3-5

3-4. DC Voltage Measurement.................................................................................................... 3-6

3-5. Resistance Measurement..................................................................................................... 3-7

3-6. Continuity Test...................................................................................................................... 3-10

3-7. Conductance Measurement ................................................................................................. 3-11

3-8. Capacitance Measurement................................................................................................... 3-13

3-9. Diode Test............................................................................................................................ 3-14

Model 87 & 89 Series IV

Users Manual

viii

3-10. Temperature Measurement................................................................................................... 3-15

3-11. AC Current Measurement..................................................................................................... 3-19

3-12. DC Current Measurement..................................................................................................... 3-21

3-13. Functions Allowing Frequency Measurement....................................................................... 3-22

3-14. Hz Display............................................................................................................................. 3-23

3-15. Duty Cycle Measurements.................................................................................................... 3-24

3-16. Duty Cycle Display................................................................................................................ 3-25

3-17. Pulse Width Measurements.................................................................................................. 3-26

3-18. Pulse Width Display.............................................................................................................. 3-27

4-1. View Display ......................................................................................................................... 4-4

5-1. Adjusting Temperature Offset............................................................................................... 5-5

6-1. Testing the Current Fuses..................................................................................................... 6-2

6-2. Battery and Fuse Replacement............................................................................................. 6-4

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