Fluke 574 Manuel utilisateur
574
Precision Infrared Thermometer
Users Manual
March 2005
© 2005 Fluke Corporation. All rights reserved.
All product names are trademarks of their respective companies.
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574
LIMITED WARRANTY AND LIMITATION OF
LIABILITY
This Fluke product will be free from defects in
material and workmanship for one year from the
date of purchase. This warranty does not cover
fuses, disposable batteries, or damage from
accident, neglect, misuse, alteration, contami-
nation, 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 authorization 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 CONSE-
QUENTIAL 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 liabi-
lity may not apply to you.
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Warning
A Warning identifies conditions and actions that pose ha-
zards to the user. To avoid electrical shock or personal injury,
follow these guidelines:
• Do not point laser directly at eye or indirectly off
reflective surfaces.
• Before using the thermometer inspect the case. Do not
use the thermometer if it appears damaged. Look
for cracks or missing plastic.
• Replace the batteries as soon as the battery indicator
two or less segments.
• Do not use the thermometer if it operates abnormally.
Protection may be impaired. When in doubt, have the
thermometer serviced.
• Do not operate the thermometer around explosive gas,
vapor, or dust.
• Do not connect the optional external probe to live
electrical circuits.
• To avoid a burn hazard, remember that highly reflective
objects will result in lower than actual temperature
measurements.
• Do not use in a manner not specified by this manual or the
protection supplied by the equipment may be impaired.
Caution
To avoid damaging the thermometer or the equipment under
test protect them from the following:
• EMF (electro-magnetic fields) from arc welders,
induction heaters, etc.
• Static electricity
• Thermal shock (caused by large or abrupt
ambient temperature changes- allow 30 minutes
for thermometer to stabilize before use).
• Do not leave the thermometer on or near
objects of high temperature.
Safety Information
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Table of Contents
Introduction ........................................................... 5
Warning for the Model 574 NI ............................... 6
Symbols and Safety Markings .............................. 7
Laser Warning and Serial Number Labels ............. 8
Delivery Content .................................................... 9
Functions and Display ........................................... 10
Batteries and Measurement .................................. 11
Field of View .......................................................... 12
Spot Size ............................................................... 13
Emissivity - Explanation and Adjust ...................... 14
Emissivity - Table and Unknown Value .................. 15
Mode - Maximum and Minimum ........................... 16
Mode - Difference and Avarage ............................ 17
Probe Connections ................................................ 18
Setup Alarm ........................................................... 19
Setup - Time and Date .......................................... 20
Setup - Offset and Min-Max Values ...................... 21
Data Logging and Recall ....................................... 22
Display ................................................................... 23
Display - Man. Range ............................................ 24
Display - Cycle ..................................................... 25
DIP Switches ......................................................... 26
Troubleshooting ..................................................... 27
Maintenance .......................................................... 28
Emissivity Table (Selected Values) ......................... 29
CE Conformity ....................................................... 30
Specifications ........................................................ 31
Factory Defaults .................................................... 32
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The Fluke Model 574 Infrared Thermometer (the
thermometer) is for non-contact temperature
measurement. This thermometer determines
an object‘s surface temperature by measuring
the amount of infrared energy radiated by the
object‘s surface.
Contacting Fluke
To contact Fluke, call one of the following
telephone numbers:
USA: 1-888-44-FLUKE (1-888-443-5853)
Canada: 1-800-36-FLUKE (1-800-363-5853)
Europe: +31 402-675-200
Japan: +81-3-3434-0181
Singapore: +65-738-5655
Anywhere in the world: +1-425-446-5500
For USA Service: 1-888-99-FLUKE (1-888-993-5853)
Or, visit Fluke's Web site at www.fluke.com.
To register your product, visit register.fluke.com.
Introduction
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Concerning Factory Mutual Approved
Nonincendive Devices:
Operation in Environments that Require
Nonincendive Devices
WARNING
IN HAZARDOUS LOCATIONS DO NOT use serial port con-
nections, change batteries or open serial port cover. To re-
duce risk of explosion in hazardous locations, use only Fluke
temp probe part 2432508 and do not use other accessories,
such as power supply and cables.
A nonincendive rating (NI) indicates that this infrared thermo-
meter has been tested to standards for preventing explosi-
ons in hazardous areas by limiting the ability of equipment
to ignite a specifi ed fl ammable gas or vapor-in-air mixture.
Nonincendive equipment is incapable of releasing suffi cient
electrical or thermal energy to ignite fl ammable gases or
vapors under NORMAL operation and environmental condi-
tions.
This noncontact thermometer has a Factory Mutual Nonin-
cendive rating. The rating from this USA organization reads:
“Nonincendive, Class I, Division 2, Groups A, B, C, D; Class
I, Zone 2 IIC; T4 Ta = 50ºC when used with 1.5V alkaline
batteries.“
A Class I, Division 2 location is a location:
• where volatile fl ammable liquids or fl ammable gases
or vapors exist, but are normally confi ned within
closed containers;
• where ignitable concentrations of gases, vapors or liquids
are normally prevented by positive mechanical
ventilation; or
• adjacent to a Class I, Division 1 location, where ignitable
concentrations might be occasionally communicated
• groups A, B, C, D refers to: Acetylene, Hydrogen,
Ethylene, and Propane.
Warning for the Model 574 NI
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Symbol Explanation
Risk of danger. Important information. See
Manual.
Risk of danger. Important information. See
Manual.
Risk of danger. Important information. See
Hazardous voltage. Precedes warning
Warning. Laser.
Conforms to requirements of European Union
and European Free Trade Association (EFTA)
Conforms to requirements of European Union
and European Free Trade Association (EFTA)
Conforms to requirements of European Union
°
C
Celsius
°
F
Fahrenheit
Battery
Symbols and Safety Markings
K
1
The laser sight simplifies
sighting of the measure-
ment object. It
shows the
spot size that includes the
measured target.
To turn the laser on or off
press the LASER button
(K) when the trigger is
pulled. A laser symbol (1)
appears when the laser is
on.
The laser automatically
turns of
f if you release the
trigger.
LASER
K
1
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Laser Warning and Serial Number Labels
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• The unit
• Getting Started
• Two AA batteries
• Manual on CD
• Thermocouple type K probe
• Windows-based software on CD
• RS232 cable
• Power supply
Delivery Content
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Functions and Display
Function keys and display:
(A) Visual and audible
alarm
(B) Display
(C) Up and Down keys
(D) Enter
(E) Handle and battery
compartment
(DIP
switches for
adjustments are
inside handle)
(F)
Trigger
(G) Tripod mount
(H) 6 main function keys
FUNCTIONS
U
SER INTERFACE
Displayed functions:
(1) Laser condition /
Lock symbol
(2)
T
ime (or date)
(3) Main temperature
display
(4) Graphic display
(5) Emissivity value
(6) Status bar
(7) Mode indicator
(8) Battery life indicator
(9) MAX, MIN, DIF, AVG
symbols
DISPLAY
A
A
B
C
D
D
E
F
G
H
1
2
3
4
5
6
7
8
9
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