Fluke 715 Manuale utente
715 English Instruction Sheet
Page
1
®
715
Volt/mA Calibrator
Instruction Sheet
Introduction
The Fluke 715 Volt/mA Calibrator is a source and measurement
tool for 0 to 24 mA current loop testing and dc voltage from 0 to
10 V. The calibrator does not source and measure
simultaneously.
Your calibrator is supplied with a Flex-Standholster, a set of
test leads, an installed 9 V alkaline battery, and this instruction
sheet.
Summary of Calibrator Capabilities
Function Range Resolution
dc mV input 0 to 100 mV 0.01 mV
dc mV output
dc V input 0 to 10 V 0.001 V
dc V output
dc mA input 0 to 24 mA 0.001 mA
dc mA output
Loop power
output 24 V dc output N/A
PN 650314 July 1997 Rev. 2, 11/98
1997, 1998 Fluke Corporation. All rights reserved. Printed in U.S.A.
All product names are trademarks of their respective companies.
99 Washington Street
Melrose, MA 02176
Phone 781-665-1400
Toll Free 1-800-517-8431
Visit us at www.TestEquipmentDepot.com
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If the calibrator is damaged or something is missing, contact the
place of purchase immediately. Contact your Fluke distributor for
information about accessories. To order replacement parts or
spares, see “Replacement Parts.”
To contact Fluke, call one of the following telephone numbers:
USA and Canada: 1-888-99-FLUKE (1-888-993-5853)
Europe: +31 402-678-200
Japan: +81-3-3434-0181
Singapore: +65-*-276-6196
Anywhere in the world: +1-425-356-5500
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
Visit us on the World Wide Web at: www.fluke.com
International Symbols
Symbol Meaning
JEarth ground
IFuse
MBattery
WRefer to this instruction sheet for information about
this feature.
TDouble insulated
Conforms to relevant Canadian Standards
Association directives.
PConforms to European Union directives
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Safety Information
Use the calibrator only as specified in this sheet, otherwise the
protection provided by the calibrator 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 calibrator or the equipment under test.
WWarning
To avoid possible electric shock or personal injury:
•Never apply more than 30 V between any two
jacks (terminals), or between any jack and earth
ground.
•Make sure the battery door is closed and
latched before you operate the calibrator.
•Remove test leads from the calibrator before
you open the battery door.
•Do not operate calibrator if it is damaged.
•Do not operate the calibrator around explosive
gas, vapor, or dust.
•When servicing the calibrator, use only
specified replacement parts.
Caution
Use the proper jacks, function, and range for your
measurement or output application.
Turning the Calibrator On
Press the green Opushbutton to turn the calibrator on and off.
For longest battery life:
•For mA output, use current simulate mode instead of source
mode when an external 24 to 30 V loop power supply is
available. (See Simulating a Transmitter.)
•Turn off the calibrator when not in use.
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Measuring dc Volts
V
mV mA
%
mV or V depending
on range
Press so that
INPUT is on
the display
INPUT
Press to toggle
100 mV and
10V ranges
V
mV
it01i.eps
Sourcing dc Volts
V
mV mA
%
mV or V depending
on range
Press so that
OUTPUT is on
the display
OUTPUT
V
mV
Press to toggle
100 mV and
10V ranges
it02i.eps
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Measuring dc mA
V
mV mA
%
Press to toggle
mA and % of
4-20 mA scale
mA
%
Press so that
INPUT is on
the display
INPUT
it03i.eps
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Measuring dc mA with Loop Power
V
mV mA
%
Press so that
INPUT is on
the display
INPUT
Two-wire
transmitter
%
+24V output
Press to toggle
mA and % of
4-20 mA scale
mA
%
it06i.ep
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Using the Current Output Modes
The calibrator provides current output in mA or percent display.
Percent is -25.00 to 125.00%, where 0% is 4 mA, and 100% is 20
mA.
In source mode, the calibrator supplies the current. In simulate
mode, the calibrator simulates a two-wire transmitter in an
externally-powered current loop.
Sourcing mA
Use source mode whenever you need to supply current into a
passive circuit such as a current loop with no loop supply. Insert
the test leads into the OUTPUT +and −mA jacks as shown
below.
Note
A path must exist for current to flow between the
OUTPUT
+
and
−mA
jacks, otherwise the display will
indicate an overload (OL) when you set an output value.
715
VOLT/mA CALIBRATOR
LOOP
+mA
- mA +
- mA SIMULATE, +
VOLTS
COM
INPUT
OUTPUT (30V MAX)
V
30V
MAX 30V
MAX 30V
MAX
V
mV mA
%
Press to scroll
up/down 0.001 mA.
Hold down to scroll
faster.
Press to step up/down
4 mA (25%)
Press so that
OUTPUT is on
the display.
OUTPUT
Press to toggle
mA and % of
4-20 mA scale
mA
%
it04i.eps
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Simulating a Transmitter
Use simulate mode when an external 24 to 30 V loop power
supply is available.
Insert the test leads into the mA SIMULATE −and +jacks as
shown below.
COM
V
mV mA
%
Power
supply
30V dc
max.
Press to scroll
up/down 0.001 mA.
Hold down to scroll
faster.
Press to step
up/down 4 mA (25%)
Press so that
OUTPUT is on
the display
OUTPUT Press to toggle
mA and % of
4-20 mA scale
mA
%
it05i.eps
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Maintenance
For maintenance procedures not described in this sheet, contact
a Fluke Service Center.
In Case of Difficulty
•Check the battery, fuses, and test leads. Replace as
necessary.
•Review this sheet to make sure you are using the correct
jacks and pushbuttons.
If the calibrator needs repair, contact a Fluke Service Center. If
the calibrator is under warranty, see the warranty statement
below for terms. If the warranty has lapsed, the calibrator will be
repaired and returned for a fixed fee. Contact a Fluke Service
Center for information and price.
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Cleaning
Periodically wipe the case with a damp cloth and detergent; do
not use abrasives or solvents.
Calibration
Calibrate your calibrator once a year to ensure that it performs
according to its specifications. A calibration manual is available
(PN 686540). Call 1-800-526-4731 from the USA and Canada. In
other countries, contact a Fluke Service Center.
Replacing the Battery
WWarning
To avoid false readings, which could lead to
possible electric shock or personal injury, replace
the battery as soon as the battery indicator (B)
appears.
it07i.eps
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