Fluke 713 Manual de usuario

713 English Instruction Sheet

Page

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-Standholster, 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

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.

713 English Instruction Sheet

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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

713 English Instruction Sheet

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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

713 English Instruction Sheet

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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.

713 English Instruction Sheet

Page

SIGNAL

TEST

+–

713 100G

PRESSURE

CALIBRATOR

DAMPUNITS

MIN

MAX

ZERO CLR

HOLD

kf02f.eps

713 English Instruction Sheet

Page

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

Page

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

713 English Instruction Sheet

Page

Replacing the Fuse

!Warning

To avoid personal injury or damage to the

calibrator, use only a 0.125A 250V fast fuse,

Littelfuse2AG.

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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