Fluke 66, 68 Operating Manual
63/66/68
Infrared Thermometers
Users Manual
®
September 2004 Rev.1, 2/05
© 2004-2005 Fluke Corporation. All rights reserved. Printed in China
All product names
are trademarks of their respective companies.
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, contamination, 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 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.
11/99
Table of Contents
Title Page
Introduction...................................................... 1
Contacting Fluke.............................................. 1
Safety Information............................................ 2
Symbols and Safety Markings....................... 3
Features .......................................................... 5
Display............................................................. 7
Display (63)................................................... 8
Display (66/68).............................................. 8
Buttons (66/68)................................................ 9
How the Thermometers Work.......................... 9
Operating the Thermometer............................. 10
Temperature Measurement........................... 10
Locating a Hot or Cold Spot .......................... 10
Distance and Spot Size................................. 11
Field of View.................................................. 13
Emissivity ...................................................... 13
Switching °C and °F ...................................... 15
Trigger Lock (66/68)...................................... 15
Backlight and Laser On/Off Switch (63) ........ 16
Function Button Functions (66/68) ................ 16
Selecting a Function (66/68).......................... 17
Setting the High Alarm, Low Alarm, and
Emissivity (66/68).......................................... 18
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Infrared Thermometers
Using a Contact Temperature Probe (PRB)
(66/68) ........................................................... 18
HOLD............................................................. 19
Storing Data (66/68)....................................... 19
Recalling Data (66/68)................................... 19
LOG Clear Function....................................... 19
Maintenance..................................................... 20
Changing the Battery..................................... 20
Cleaning the Lens.......................................... 20
Cleaning the Housing..................................... 20
Troubleshooting................................................ 21
Accessories...................................................... 21
CE Certification ................................................ 22
Specifications................................................... 22
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63/66/68
Introduction
The Fluke Models 63, 66, and 68 Infrared Thermometers (“the
thermometers”) are for non-contact temperature measurement.
These thermometers determine an object’s surface temperature by
measuring the amount of infrared energy radiated by the object’s
surface. See Figure 2.
To register your product, visit register.fluke.com
.
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63/66/68
Infrared Thermometers
Safety Information
A Warning identifies conditions and actions that
pose hazards 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
• 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.
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.
XWWarning
( ) appears.
WCaution
2
63/66/68
Safety Information
Symbols and Safety Markings
Table 1 and Figure 1 show various symbols and safety markings
that are on the thermometers and in this manual.
Symbol Explanation
W
Table 1. Symbols
Risk of danger. Important information. See
Manual.
X
*
P
°C
°F
M
Hazardous voltage. Precedes warning
Warning. Laser.
Conforms to requirements of European Union
and European Free Trade Association (EFTA)
Celsius
Fahrenheit
Battery
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63/66/68
Infrared Thermometers
M
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CAUTION
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MADE IN CHINA
9V NEDA 1604
MFG DATE: Dec 29, 2004
SERIAL #: 2421540101-0070
LASER / LIGHT
˚C ˚F OFF ON
MADE IN CHINA
9V NEDA 1604
MFG DATE: Dec 29, 2004
SERIAL #: 2423260201-0030
˚C ˚F OFF ON
Figure 1. Safety Markings on the Thermometers
LOCK
63
66/68
ame0010.eps
4
63/66/68
Features
Features
The thermometers include:
• Single-spot laser sighting
• MAX temperature display
• Backlit display
• Durable, ergonomic construction
• Tripod mount
• Hard case and wrist strap
• MAX, MIN, DIF, AVG temperature displays (66/68)
• Adjustable emissivity (66/68)
• High and low alarm (66/68)
• Data logging (66/68)
• Trigger Lock (66/68)
• Contact probe jack (66/68)
5
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