Fluke 789 Guida all'installazione

789

ProcessMeter

Product Overview (E)

PN 1627890

August 2002 Rev. 2, 8/09

Specifications are subject to change without notice. All product names are

trademarks of their respective companies.

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

Table of Contents

Title Page

Quick Reference Information.......................................................................................... ii

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

Accessing the Users Manual.......................................................................................... 1

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

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

How to Get Started......................................................................................................... 5

Getting Acquainted with the Meter ................................................................................. 6

Power-Up Options.......................................................................................................... 18

General Maintenance..................................................................................................... 19

Replacing the Batteries ............................................................................................. 19

Replacing a Fuse....................................................................................................... 21

Cleaning .................................................................................................................... 21

Replacement Parts and Accessories.............................................................................. 22

Specifications ................................................................................................................. 26

Quick Reference Information Read Safety Information in the 789 Users Manual (located on CD)

Measure Buttons Output XButtons

MSelects a MIN, MAX, or AVG action % STEP Adjusts output up or down to the next 25 % step

RSelects a fixed range (hold 1 second for auto range) COARSE Adjust output up or down 0.1 mA

HToggles AutoHold FINE Adjusts output up or down 0.001 mA

GWhen in Ω, selects continuity ESets output to 0 %

rToggles relative reading (sets a relative zero point) FSets output to 100 %

hWhen in V, selects frequency counter Output mA monp Choices

J(blue) When in Ωselects diode test J(Blue) Cycles through:

J(blue) When in A, toggles ac or dc oFast repeating 0 % - 100 % - 0 % ramp

nSlow repeating 0 % - 100 % - 0 % ramp in 25% steps

pFast repeating 0 % - 100 % - 0 % ramp in 25 % steps

mSlow repeating 0 % - 100 % - 0 % ramp

Measure

Common

0 - 30 mA dc0 - 440 mA dc

(1A <30 sec.)

0 - 40 M

Continuity

(Blue)

0 - 1000 V ac

0 - 1000 V dc

0.5 Hz - 20 kHz

0 - 24 mA dc

LOOP POWER

250

HART

ProcessMeter

Introduction

WWarning

Read “Safety Information” before using the

meter.

The Fluke 789 ProcessMeter™(referred to as “the

meter”) is a handheld, battery-operated tool for measuring

electrical parameters, supplying steady or ramping

current to test process instruments, and providing a > 24

V loop power supply. 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 a Fluke

distributor for information about DMM (digital multimeter)

accessories. To order replacement parts or spares, see

Table 8 near the end of this manual.

Accessing the Users Manual

The 789 Users Manual is available on the 789 CD-ROM

shipped with the ProcessMeter. If AutoRun is disabled on

your computer, from the Start menu, select Run, (CD-

Drive letter):\launch.exe <Enter>.

If the CD-ROM is damaged or you are unable to access

the product documentation from the CD-ROM, refer to the

phone numbers listed under "Contacting Fluke" or visit

www.fluke.com to obtain product documentation.

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: +81-3-3434-0181

•Singapore: +65-738-5655

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

789

Product Overview

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.

Address correspondence to:

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

Safety Information

The Meter complies with EN61010-1:2001, ANSI/ISA

S82.01-2004, CAN/CSA C22.2 No. 1010-1:2004,

UL61010-1, Measurement Category III, 1000V, Pollution

Degree 2 and Measurement Category IV, 600V, Pollution

Degree 2.

A Warning identifies conditions and actions that pose

hazard(s) to the user; a Caution identifies conditions and

actions that may damage the meter or the equipment

under test.

International symbols used on the meter and in this

manual are explained in Table 1.

WWarning

To avoid possible electric shock or personal

injury:

•Do not use the meter if it is damaged.

Before using 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 using the meter.

•Do not use the meter if it operates

abnormally. Protection may be impaired.

When in doubt, have the meter serviced.

•Do not use the Meter around explosive

gas, vapor or in damp or wet

environments.

ProcessMeter

Safety Information

•Use only type AA batteries, properly

installed in the meter case, to power the

meter.

•When servicing the meter, use only

specified replacement parts.

•Use caution when working above 30 V ac

rms, 42 V ac pk, or 60 V dc. Such voltages

pose a shock hazard.

•When using the probes, keep fingers

behind the finger guards on the probes.

•Connect the common test lead before

connecting the live test lead. When

disconnecting test leads, disconnect the

live test lead first.

WCaution

To avoid possible damage to meter or to

equipment under test:

•Disconnect the power and discharge all high-

voltage capacitors before testing resistance

or continuity.

•Use the proper jacks, function, and range for

the measurement or sourcing application.

789

Product Overview

Table 1. International Symbols

Symbol Meaning Symbol Meaning

BAlternating current JEarth ground

FDirect current IFuse

cAlternating or direct current PConforms to European Union directives

WRisk of danger. Important information. See manual. )Conforms to relevant Canadian Standards

Association directives

MBattery TDouble insulated

To 61010-1

2nd Edition

Meets Underwriters’ Laboratories safety

requirements ®Inspected and licensed by TÜV Product

Services

CAT III

IEC Overvoltage Category III Category III

equipment is designed to protect against transients

in equipment in fixed equipment installations, such

as distribution panels, feeders and short branch

circuits, and lighting systems in large building.

;Conforms to relevant Australian standards

CAT IV

IEC Overvoltage Category IV

CAT IV equipment is designed to protect against

transients from the primary supply level, such as an

electricity meter or an overhead or underground

utility service.

~Do not dispose of this product as unsorted

municipal waste. Go to Fluke’s website for

recycling information.

ProcessMeter

How to Get Started

If familiar with the Fluke 80 Series DMM, read “Using the

Current Output Functions,” review the tables and figures in

“Getting Acquainted with the Meter,” and begin using the

meter.

If unfamiliar with Fluke 80 Series DMMs, or DMMs in

general, read “Measuring Electrical Parameters” in

addition to the sections referenced in the previous

paragraph.

The sections following “Using the Current Output

Functions” contain information about the power-up

options, and battery and fuse replacement instructions.

Later, use the Product Overview to refresh your memory

about the various functions and features that can be used.

LOOP POWER

250

HART

OFF

ACOM

Rotary

Switch

RANGE HOLD

REL

MIN MAX

%STEP COARSE FINE

SpanCheck

100%

789

PROCESSMETER

Pushbuttons

Input/Output

Jacks

Display

CAT IV

600 V

anw014f.eps

Figure 1. Fluke 789 ProcessMeter

789

Product Overview

Getting Acquainted with the Meter

To become familiar with the features and functions of the

meter, study the following figures and tables.

•Figure 2 and Table 2 describe the input/output jacks.

•Figure 3 and Table 3 describe the input functions of

the first six rotary function switch positions.

•Figure 4 and Tables 4 and 5 describe the output

functions of the last three rotary function switch

positions.

•Figure 5 and Table 6 describe the functions of the

pushbuttons.

•Figure 6 and Table 7 explain what all the elements of

the display indicate.

ACOM

CAT IV

600 V

anw001f.eps

Figure 2. Input/Output Jacks

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