Fluke ProcessMeter 787 Manuale utente
787
ProcessMeter™
Users Manual
April 1997 Rev. 4, 3/13
© 1997-2013 Fluke Corporation. All rights reserved. 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
i
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
787
Users Manual
ii
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
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
v
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
1
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
787
Users Manual
2
•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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