Fluke 713 Manual de usuario
713 English Instruction Sheet
Page
1
®
713
Pressure Calibrator
Instruction Sheet
Introduction
Fluke Model 713 30G and 713 100G Pressure Calibrators
(hereafter called “calibrator”) calibrate P/I (pressure to current)
transmitters, or measure pressure or current. The calibrator
simultaneously displays pressure and current measurements.
Full scale pressure input is as follows:
•Model 713 30G: 30 psi (206.85 kPa, 2.0685 bar)
•Model 713 100G: 100 psi (689.5 kPa, 6.895 bar)
The calibrator measures and displays current up to 24 mA, and
the pressure applied to the 1/8-inch NPT pressure fitting. The
calibrator measures pressure in the units shown in the next table.
Your calibrator is supplied with a Flex-Standholster, an
installed 9 V alkaline battery, one set of TL75 test leads, one set
of AC70A alligator clips, and this instruction sheet.
If the calibrator is damaged or something is missing, contact the
place of purchase immediately. Contact your Fluke distributor for
information about accessories. See “How to Contact Fluke.” To
order replacement parts or spares, see “Replacement Parts.”
PN 650298 August 1997 Rev. 1, 10/97
1997 Fluke Corporation. All rights reserved. Printed in U.S.A.
All product names are trademarks of their respective companies.
713 English Instruction Sheet
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Pressure Range and Resolution
Displayed
Pressure Units Model 713 30G
Range and
Resolution
Model 713 100G
Range and
Resolution
psi 30.000 psi 100.00 psi
inH2O at 4°C 830.4 inH2O 2768.0 inH2O
inH2O at 20°C 831.9 inH2O 2772.9 inH2O
cmH2O at 4°C, 2109.0 cmH2O 7030 cmH2O
cmH2O at 20°C 2113.0 cmH2O 7043 cmH2O
bar 2.0685 bar 6.895 bar
mbar 2068.5 mbar 6895 mbar
kPa 206.85 kPa 689.5 kPa
inHg 61.080 inHg 203.6 inHg
mmHg 1551.3 mmHg 5171 mmHg
kg/cm22.1090 kg/cm27.030 kg/cm2
Safety Information
Use the calibrator only as specified in this instruction 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 the mA
terminals, or between either of the mA terminals
and earth ground.
713 English Instruction Sheet
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•Remove the test leads from the calibrator
before you open the battery door.
•Make sure the battery door is closed and
latched before you operate the calibrator.
•Do not operate the calibrator if it is damaged.
•Do not operate the calibrator around explosive
gas, vapor, or dust.
•To avoid a violent release of pressure in a
pressurized system, shut off the valve and
slowly bleed off the pressure before you attach
or detach the calibrator pressure fitting to the
pressure line.
•When servicing the calibrator, use only
specified replacement parts
Caution
To avoid overpressure damage, do not apply
pressure that exceeds the following:
•Model 713 30G: 3X top of range (90 psi, 620 kPa,
6.2 bar)
•Model 713 100G: 2X top of range (200 psi, 1380
kPa, 13.8 bar)
To avoid corrosion in the pressure sensor, use the
calibrator only with media compatible with glass,
ceramic, silicon, RTV, type 316 stainless steel, and
nickel.
To avoid mechanically damaging the calibrator, do
not apply torque between the pressure fitting and
the calibrator case. See the figure for the proper
use of tools.
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Hold in
fixed
position
kf01f.eps
Explanation of International Symbols
The symbols in the table below are used on the calibrator or in
this instruction sheet.
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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Getting Acquainted with the Calibrator
Press the green Opushbutton to turn the calibrator on and off.
The calibrator displays pressure and current measurements
simultaneously. See the figure below.
The upper part of the display shows the gage pressure applied to
the pressure fitting. Press Uto select a different pressure unit.
When you cycle the power off and on, the calibrator retains the
pressure unit you last used.
The lower part of the display shows the current (up to 24 mA)
applied to the current (mA) inputs. The current inputs are fused
with a 0.125 A, 250 V fast fuse (Littelfuse type 2AG).
Current mA
measurement
Pressure
measurement
HOLD
0-100psi 0-689kPa
RANGE
200psi 1378kPa
MAX
713 100G
PRESSURE
CALIBRATOR
DAMPUNITS
MIN
MAX
ZERO
CLR
HOLD
Pressure
fitting Current input
kf05f.eps
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Pushbutton Functions
Pushbutton Function
USelects a different pressure unit.
DTurns pressure reading damping on and off. With
damping on, the display does not update as
quickly.
ZPress this to zero the pressure display. Vent the
pressure fitting on the calibrator to atmosphere
before you press this pushbutton.
mPress and hold to read the minimum pressure and
current readings since the power was turned on or
cwas pressed.
cPress to clear the MIN and MAX memories.
MPress and hold to read the maximum pressure and
current readings the power was turned on or c
was pressed.
hPress hto freeze the display. The
gsymbol appears on the display. Press h
again to resume normal operation.
Calibrating a P/I Transmitter
To calibrate a P/I (pressure to current) transmitter, you apply a
pressure to the transmitter and measure the transmitter’s current
loop output. Connect the calibrator to the transmitter as shown in
the figure.
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SIGNAL
TEST
+–
713 100G
PRESSURE
CALIBRATOR
DAMPUNITS
MIN
MAX
ZERO CLR
HOLD
kf02f.eps
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Maintenance
For maintenance procedures not described in this instruction
sheet, or if the calibrator needs repair, contact a Fluke Service
Center.
In Case of Difficulty
•Check the battery, test leads, and pressure tubing. Replace
as necessary.
•Review this instruction sheet to make sure you are using the
calibrator correctly.
If the calibrator needs repair, and the calibrator is under
warranty, see the warranty statement for terms. If the warranty
has lapsed, the calibrator will be repaired and returned for a fixed
fee.
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.
713 English Instruction Sheet
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Replacing the Battery
When the Bsymbol appears on the display, replace the battery
with a 9 V alkaline battery.
SIGNAL
TEST
+–
713 100G
PRESSURE
CALIBRATOR
DAMPUNITS
MIN
MAX
ZERO CLR
HOLD
it07f.eps
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Replacing the Fuse
!Warning
To avoid personal injury or damage to the
calibrator, use only a 0.125A 250V fast fuse,
Littelfuse2AG.
Fuse F1 is probably blown if the mA measurement display
reading does not respond to current applied to the current (mA)
inputs.
Replace the fuse as follows:
1. Remove the test leads and turn the calibrator off.
2. Remove the battery door.
3. Remove the three Phillips-head screws from the case
bottom and turn the case over.
4. Gently lift the top cover from the end nearest the current
(mA) inputs until it unsnaps from the bottom cover.
5. Replace the fuse with a 0.125 A 250 V fast fuse, Littelfuse
type 2AG.
6. Carefully fit the case top and circuit board assembly
together, making sure that the O-ring is properly seated
between the pressure sensor and the pressure fitting on the
case top. Fit the case bottom onto the case top, engaging
the two snaps near the display end of the case. Reinstall the
three screws.
7. Replace the battery door.
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