Fluke ProcessMeter 787 User manual
®
787
ProcessMeter
Users Manual
April 1997, Rev.3, 12/01
© 1997, 1898, 2000, 2001 Fluke Corporation, All rights reserved. Printed in U.S.A.
All product names are trademarks of their respective companies.
LIMITED WARRANTY & LIMITATION OF LIABILITY
This Fluke product will be free from defects in material and workmanship for three years from the date of purchase. This
warranty does not cover disposable batteries or damage from accident, neglect, misuse 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 war-
ranty period, send your defective meter to the nearest Fluke Authorized 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 consequen-
tial damages, this limitation of liability may not apply to you.
Fluke Corporation Fluke Europe B.V.
P.O. Box 9090 P.O. Box 1186
Everett, WA 5602 B.D. Eindhoven
98206-9090 USA The Netherlands
i
Table of Contents
Title Page
Introduction....................................................................................................................1
Contacting Fluke ........................................................................................................... 1
Safety Information......................................................................................................... 2
How to Get Started........................................................................................................ 5
Getting Acquainted with the Meter................................................................................ 6
Measuring Electrical Parameters................................................................................... 17
Input Impedance....................................................................................................... 17
Ranges..................................................................................................................... 17
Measuring a Composite Signal................................................................................. 17
Testing Diodes.......................................................................................................... 18
Displaying Minimum, Maximum, and Average.......................................................... 18
Using TouchHold...................................................................................................... 19
Compensating for Test Lead Resistance.................................................................. 19
Using the Current Output Functions.............................................................................. 20
Source Mode............................................................................................................ 20
787
Users Manual
ii
Simulate Mode.......................................................................................................... 22
Changing the Current Span ...................................................................................... 22
Producing a Steady mA Output................................................................................. 24
Manually Stepping the mA Output ............................................................................ 25
Auto Ramping the mA Output................................................................................... 26
Power-Up Options.......................................................................................................... 27
Battery Life..................................................................................................................... 28
Using the Holster and Flex-Stand.................................................................................. 28
Maintenance .................................................................................................................. 28
General Maintenance................................................................................................ 28
Calibration................................................................................................................. 28
Replacing the Battery................................................................................................ 30
Replacing a Fuse...................................................................................................... 31
If the Meter does not Work........................................................................................ 32
Replacement Parts and Accessories............................................................................. 33
Specifications................................................................................................................. 36
Index
1
ProcessMeter
Introduction
WWarning
Read “Safety Information” before you use the
meter.
Your Fluke 787 ProcessMeter(referred to as “the
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.
Your meter is shipped with a Flex-Standholster, one set
of TL75 test leads, one set of AC70A Alligator Clips, this
manual, and a laminated Quick Reference Card that fits
inside the holster.
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 order accessories, receive operating assistance, or get
the location of the nearest Fluke distributor or Service
Center, call:
USA : 1-888-99-FLUKE (1-888-993-5853)
Canada: 1-800-36-FLUKE (1-800-363-5853)
Europe: +31 402-678-200
Japan: +81-3-3434-0181
Singapore: +65-738-5655
Anywhere in the world: +1-425-446-5500
787
Users Manual
2
Address correspondence to:
Fluke Corporation Fluke Europe B.V.
P.O. Box 9090, P.O. Box 1186,
Everett, WA 98206-9090 5602 BD Eindhoven
USA The Netherlands
Or visit us on the World Wide Web: www.fluke.com
Safety Information
The meter complies with IEC1010-1, ANSI/ISA S82.01-
1994 and CAN/CSA C22.2 No. 1010.1-92 Overvoltage
Category III. Use the meter only as specified in this
manual, otherwise the protection provided by the meter
may be impaired.
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 you use the meter, inspect the
case. Look for cracks or missing plastic.
Pay particular attention to the insulation
surrounding the connectors.
ProcessMeter
Safety Information
3
•Make sure the battery door is closed and
latched before you operate the meter.
•Remove test leads from the meter before
you open the battery door.
•Inspect the test leads for damaged
insulation or exposed metal. Check test
leads continuity. Replace damaged test
leads before you use the meter.
•Do not use the meter if it operates
abnormally. Protection may be impaired.
When in doubt, have the meter serviced.
•Do not operate the meter around
explosive gas, vapor, or dust.
•Use only a single 9V battery, properly
installed in the meter case, to power the
meter.
•When servicing the meter, use only
specified replacement parts.
Caution
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
your measurement or sourcing application.
To protect yourself, adhere to the following guidelines:
•Use caution when working above 30V ac rms, 42V ac
pk, or 60V dc. Such voltages pose a shock hazard.
•When using the probes, keep your fingers behind the
finger guards on the probes.
•Connect the common test lead before you connect
the live test lead. When you disconnect test leads,
disconnect the live test lead first.
787
Users Manual
4
Table 1. International Symbols
Symbol Meaning Symbol Meaning
Alternating current Earth ground
Direct current Fuse
cAlternating or direct current Conforms to European Union directives
Refer to the manual for information about
this feature. Conforms to relevant Canadian
Standards Association directives
Battery TDouble insulated
Meets Underwriters’ Laboratories safety
requirements Inspected and licensed by TÜV Product
Services
CAT III Overvoltage (Installation) Category III, Pollution Degree 2 per IEC1010-1 refers to the level of Impulse
Withstand Voltage protection provided. Typical locations include; Mains, wall outlets, main distribution
levels connected closer to the supply system but less than the primary supply system (CAT IV).
ProcessMeter
How to Get Started
5
How to Get Started
If you are 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 your meter.
If you are 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 Quick Reference Card to refresh your
memory about the various functions and features that you
can use.
OFF
AmA COM V
1000V
30mA
FUSED
0.44A
(1A/30 sec)
FUSED
mA
mA
A
mA
OUTPUT 0-24mA
SOURCE SIMULATE
+ +
% STEP COARSE FINE
mV
V
V
OUTPUT
CAT
787
PROCESSMETER
MIN MAX RANGE HOLD
H
REL Hz
Display
Pushbuttons
Rotary
Switch
Input/Output
Jacks
ee014f.eps
Figure 1. Fluke 787 ProcessMeter
787
Users Manual
6
Getting Acquainted with the Meter
To become familiar with the features and functions of the
meter, study the following figures and tables.
•Figure and Table 2 describe the input/output jacks.
•Figure and Table 3 describe the input functions you
get with the first five rotary switch positions.
•Figure and Table 4 describe the output functions you
get with the last two rotary switch positions.
•Figure and Table 5 describe the functions of the
pushbuttons.
•Figure and Table 6 explain what all the elements of
the display indicate.
AmA COM V
1000V
30mA
FUSED
0.44A
(1A/30 sec)
FUSED
OUTPUT 0-24mA
SOURCE SIMULATE
+ +
CAT
1
2
3
4
ee001f.eps
Figure 2. Input/Output Jacks
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