Fluke 719 Series Manuale utente
August 2008
© 2008 Fluke Corporation. All rights reserved. Specifications are subject to change without notice.
All product names are trademarks of their respective companies.
719 Series
Pressure Calibrator with Electric Pump
Users Manual
LIMITED WARRANTY AND LIMITATION OF LIABILITY
This Fluke product will be free from defects in material and workmanship for three years (one year for pump assembly) from
the date of purchase. This warranty does not cover fuses, 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 warranty period, send your defective Calibrator 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 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
Safety Information .......................................................................................................... 2
Getting Acquainted with the Calibrator ........................................................................... 5
HART Resistor........................................................................................................... 8
Power Saver.............................................................................................................. 8
Switch Test..................................................................................................................... 8
Zeroing with Absolute Pressure Modules ....................................................................... 9
Set Maximum Pressure Limit ......................................................................................... 10
Calibrating a P/I Transmitter........................................................................................... 10
Using the Internal Pump................................................................................................. 10
Pump Valve Assembly Cleaning Instructions ................................................................. 15
Using an External Pump................................................................................................. 15
External Fluke Pressure Module Compatibility ............................................................... 17
Supplying Loop Power ................................................................................................... 18
mA Modes ...................................................................................................................... 18
719 Series
Users Manual
ii
Sourcing 4 to 20 mA ...................................................................................................... 19
Simulating a 4 to 20mA Transmitter............................................................................... 19
Percent Error Setup ....................................................................................................... 21
Maintenance .................................................................................................................. 21
In Case of Difficulty ................................................................................................... 21
Cleaning.................................................................................................................... 21
Replacing the Batteries............................................................................................. 22
Calibration ..................................................................................................................... 22
Parts and Accessories ................................................................................................... 23
Specifications ................................................................................................................ 26
Pressure Sensor Input .............................................................................................. 26
Pressure Module Input.............................................................................................. 26
DC mA Measure and Source .................................................................................... 26
Loop Supply.............................................................................................................. 26
Pressure Source ....................................................................................................... 26
General Specifications .............................................................................................. 27
Contacting Fluke............................................................................................................ 27
iii
List of Tables
Table Title Page
1. Symbols................................................................................................................................. 4
2. Front Panel Features............................................................................................................. 5
3. Pushbutton Functions............................................................................................................ 6
4. Pump Features...................................................................................................................... 7
5. Recommended Pressure Modules ........................................................................................ 14
6. Fluke Pressure Module Compatibility .................................................................................... 17
7. Replacement Parts................................................................................................................ 23
719 Series
Users Manual
iv
v
List of Figures
Figure Title Page
1. Connection Technique .......................................................................................................... 4
2. Front Panel Features............................................................................................................. 5
3. Pump Features...................................................................................................................... 7
4. Internal Pressure Sensor with Internal Pump ........................................................................ 12
5. Pressure Module with Internal Pump..................................................................................... 13
6. Pressure Module with External Pump ................................................................................... 16
7. Sourcing Loop Voltage .......................................................................................................... 18
8. Sourcing mA Connections ..................................................................................................... 19
9. Connections for Simulating a 4 to 20 mA Transmitter ........................................................... 20
10. Battery Replacement ............................................................................................................. 22
11. Replacement Parts................................................................................................................ 25
719 Series
Users Manual
vi
1
Introduction
The 719 30G and 100G Series Pressure Calibrators (the
Calibrator) perform the following functions:
•Calibrate P/I (pressure to current) transmitters
•Calibrate I/P (current to pressure) devices
•Identify the set, reset and deadband of of pressure
switches
•Measure pressure via a 1/8-in. NPT pressure fitting
and an internal pressure sensor or via a Fluke 700
Series Pressure Module
•Source pressure via electric pump
•Measure, source, and simulate current up to 24 mA
•Simultaneously displays pressure and current
•Supply loop voltage
•Calculate mA percentage in Percent Mode
•Calculate mA error % in Percent Error Mode
•Switch between pressure/vacuum control
The Calibrator features:
•Precision air bleed for fine control
•Fine vernier adjustment for the pump
•A serviceable electric pump
•Pressure limit settings
•HART resistor mode
The Calibrator ships with:
•holster
•two installed 9 V alkaline batteries
•TL75 test leads
•AC70A alligator clips
•hose kit
•Product Overview Manual
•CD-ROM (Users Manual)
719 Series
Users Manual
2
The Calibrator makes 5-digit pressure measurements in
the units shown below:
•Psi
•inH2O at 4 °C
•inH2O at 20 °C
•kPa
•cmH2O at 4 °C
•cmH2O at 20 °C
•bar
•mbar
•kg/cm2
•inHg
•mmHg
For pressure modules, full-scale readings for all pressure
ranges can be made in:
•Psi
•kPa
•inHg
To avoid display overflow, full scale readings are limited
to 1000 psi in cmH2O, mbar, and mmHg units, and
3000 psi in inH2O units. Pressures of at least 15 psi must
be measured for meaningful readings in bar and kg/cm2
units.
Safety Information
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. Symbols used in this manual and on the
Calibrator are listed in Table 1.
XWWarning
To avoid possible electric shock or personal
injury:
•Use the Calibrator only as specified in
this manual, otherwise the protection
provided by the Calibrator may be
impaired.
•Never apply more than 30 V, including
transients, between the mA terminals, or
between either of the mA terminals and
earth ground.
•The Calibrator is rated for CAT I
measurement only. Do not use the
Calibrator to make measurements in a
CAT II, CAT III, or CAT IV environments.
CAT I equipment is designed to protect
against transient from high-voltage, low-
energy sources, such as electronic
circuits or a copy machine
•Remove the test leads from the
Calibrator before opening the battery
door.
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