Fluke ProcessMeter 787 Manuale utente

787

ProcessMeter™

Users Manual

April 1997 Rev. 4, 3/13

All product names are trademarks of their respective companies.

1.888.475.5235[email protected] Fluke-Direct.com

LIMITED WARRANTY AND LIMITATION OF LIABILITY

This Fluke product will be free from defects in material and workmanship for three years from the date of purchase. This war-

ranty does not cover fuses, disposable batteries, or damage from accident, neglect, misuse, alteration, contamination, or

abnormal conditions of operation or handling. Resellers are not authorized to extend any other warranty on Fluke’s behalf.

To obtain service during the warranty period, contact your nearest Fluke authorized service center to obtain return authoriza-

tion information, then send the product to that Service Center with a description of the problem.

THIS WARRANTY IS YOUR ONLY REMEDY. NO OTHER WARRANTIES, SUCH AS FITNESS FOR A PARTICULAR

PURPOSE, ARE EXPRESSED OR IMPLIED. FLUKE IS NOT LIABLE FOR ANY SPECIAL, INDIRECT, INCIDENTAL OR

CONSEQUENTIAL DAMAGES OR LOSSES, ARISING FROM ANY CAUSE OR THEORY. Since some states or countries

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.

Fluke Corporation

P.O. Box 9090

Everett, WA 98206-9090

U.S.A.

Fluke Europe B.V.

P.O. Box 1186

5602 BD Eindhoven

The Netherlands

11/99

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Table of Contents

Title Page

Introduction .................................................................................................................... 1

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

Safety Information .......................................................................................................... 2

How to Get Started......................................................................................................... 6

Getting Acquainted with the Meter ................................................................................. 7

Measuring Electrical Parameters.................................................................................... 18

Input Impedance........................................................................................................ 18

Ranges ...................................................................................................................... 18

Measuring a Composite Signal.................................................................................. 18

Testing Diodes........................................................................................................... 19

Displaying Minimum, Maximum, and Average........................................................... 19

Using TouchHold ....................................................................................................... 20

Compensating for Test Lead Resistance................................................................... 20

Using the Current Output Functions............................................................................... 21

Source Mode ............................................................................................................. 21

Simulate Mode........................................................................................................... 23

Changing the Current Span....................................................................................... 23

Producing a Steady mA Output ................................................................................. 25

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787

Users Manual

Manually Stepping the mA Output ............................................................................ 26

Auto Ramping the mA Output ................................................................................... 27

Power-Up Options ......................................................................................................... 28

Battery Life..................................................................................................................... 29

Using the Holster ........................................................................................................... 29

Maintenance .................................................................................................................. 30

General Maintenance................................................................................................ 30

Calibration................................................................................................................. 30

Replacing the Battery................................................................................................ 30

Replacing a Fuse ...................................................................................................... 32

If the Meter does not Work........................................................................................ 33

Replacement Parts and Accessories ............................................................................. 34

Specifications................................................................................................................. 37

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iii

List of Tables

Table Title Page

1. Symbols................................................................................................................................. 5

2. Input/Output Jacks................................................................................................................. 8

3. Rotary Switch Positions for Measurements ........................................................................... 10

4. Rotary Knob Positions for mA Output.................................................................................... 12

5. Pushbuttons .......................................................................................................................... 13

6. Display................................................................................................................................... 16

7. Range Requirements for Measuring a Composite Signal...................................................... 18

8. Steady mA Output Adjustment .............................................................................................. 25

9. Steady mA Output Adjustment .............................................................................................. 26

10. mA Step Values..................................................................................................................... 27

11. Power-Up Options ................................................................................................................. 28

12. Typical Alkaline Battery Life .................................................................................................. 29

13. Replacement Parts................................................................................................................ 35

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787

Users Manual

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List of Figures

Figure Title Page

1. Fluke 787 ProcessMeter........................................................................................................ 6

2. Input/Output Jacks................................................................................................................. 7

3. Rotary Switch Positions for Measurements ........................................................................... 9

4. Rotary Switch Positions for mA Output.................................................................................. 11

5. Pushbuttons .......................................................................................................................... 13

6. Elements of the Display......................................................................................................... 15

7. Sourcing Current ................................................................................................................... 22

8. Simulating a Transmitter........................................................................................................ 24

9. Using the Holster................................................................................................................... 30

10. Replacing the Battery ............................................................................................................ 31

11. Replacing a Fuse .................................................................................................................. 33

12. Replacement Parts................................................................................................................ 36

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787

Users Manual

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Introduction

Warning

Read “Safety Information” before you use the

Meter.

Your Fluke 787 ProcessMeter(referred to as “the

Product or Meter”) is a handheld, battery-operated tool for

measuring electrical parameters and supplying steady or

ramping current to test process instruments. It has all the

features of a digital multimeter, plus current output

capability.

If the Meter is damaged or something is missing, contact

the place of purchase immediately.

Contact your Fluke distributor for information about DMM

accessories. To order replacement parts or spares, see

Table 13 near the end of this manual.

Contacting Fluke

To contact Fluke, call one of the following telephone

numbers:

•Technical Support USA: 1-800-44-FLUKE

(1-800-443-5853)

•Calibration/Repair USA: 1-888-99-FLUKE

(1-888-993-5853)

•Canada: 1-800-36-FLUKE (1-800-363-5853)

•Europe: +31 402-675-200

•Japan: +81-3-6714-3114

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787

Users Manual

•Singapore: +65-6799-5566

•Anywhere in the world: +1-425-446-5500

Or, visit Fluke's website at www.fluke.com.

To register your product, visit http://register.fluke.com.

To view, print, or download the latest manual supplement,

visit http://us.fluke.com/usen/support/manuals.

Safety Information

The symbols used on the Product and in this manual are

shown in Table 1.

A Warning identifies conditions and procedures that are

dangerous to the user. A Caution identifies conditions and

procedures that can cause damage to the Product or the

equipment under test.

 Warning

To prevent possible electrical shock, fire, or

personal injury:

•Read “Safety Information” before using

the Product.

•Do not use the Meter if it is damaged.

Before you use the Meter, inspect the

case. Look for cracks or missing plastic.

Pay particular attention to the insulation

surrounding the connectors.

•Make sure the battery door is closed and

latched before operating the Meter.

•Remove test leads from the Meter before

opening the battery door.

•Inspect the test leads for damaged

insulation or exposed metal. Check test

lead continuity. Replace damaged test

leads before you use the Meter.

•Measure a known voltage first to make

sure that the Meter operates correctly. If

you are unsure, have the Meter examined.

•Do not operate the Meter around

explosive gas, vapor, or dust. Do not use

in a damp or wet environment.

•Use only a single 9 V battery, properly

installed in the meter case, to power the

Meter.

•When servicing the Meter, use only

specified replacement parts.

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