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® 566/568 Infrared Thermometers Users Manual August 2007 Rev. 2, 4/08 © 2007-2008 Fluke Corporation, All rights reserved. Product specificatio

566/568 Users Manual 2 Safety Information WWarning A Warning identifies conditions and actions that pose hazards to the user. To avoid personal injury

Infrared Thermometers Symbols and Markings 3 Symbols and Markings Table 1 and Figure 1 show various symbols and safety markings that are on the

566/568 Users Manual 4 Features The thermometers include: • Single-spot laser sighting • Infrared and thermocouple temperature display • 12 or 24

Infrared Thermometers Menu Overview 5 Menu Overview There are many settings that can be easily changed by using the menu. Figure 2 shows the LC

566/568 Users Manual 6 The reading includes: • IR temperature • Thermocouple temperature (if connected) • Emissivity • Min/Max/Avg/Dif (if either

Infrared Thermometers Menu Overview 7 • To enter an emissivity value manually: 1. Press the No. softkey. 2. Use the down or up arrow softkey

566/568 Users Manual 8 2. Press the Avg softkey. The display shows the present reading, average reading, the differential reading between max and min

Infrared Thermometers Menu Overview 9 Setup From the Setup menu, the backlight, time and date, and display language can be changed. Backlight I

566/568 Users Manual 10 10. Press the Next softkey to move through each parameter. 11. Press the Done softkey when finished. The display reverts to t

Infrared Thermometers How the Thermometers Work 11 How the Thermometers Work Infrared thermometers measure the surface temperature of an object

LIMITED WARRANTY AND LIMITATION OF LIABILITY Each Fluke product is warranted to be free from defects in material and workmanship under normal use an

566/568 Users Manual 12 Locating a Hot or Cold Spot To find a hot or cold spot, aim the thermometer outside the desired area. Then, slowly scan across

Infrared Thermometers Operating the Thermometer 13 Distance and Spot Size As the distance (D) from the object being measured increases, the spo

566/568 Users Manual 14 Field of View For accurate measurements, make sure that the target is larger than the unit’s spot size. The smaller the target

Infrared Thermometers Operating the Thermometer 15 Storing Data The 566 thermometer can store up to 20 data records. The 568 thermometer can s

566/568 Users Manual 16 External Contact Probe XWWarning To avoid electrical shock or personal injury, do not connect the external contact probe to li

Infrared Thermometers Maintenance 17 Maintenance Battery Charge Use the battery charge symbols to gauge the approximate level of charge left on

566/568 Users Manual 18 Cleaning the Lens Blow off loose particles using clean compressed air. Carefully wipe the surface with a water-moistened cotto

Infrared Thermometers User Replaceable Parts and Accessories 19 Recommended Temperature Probes See Table 6 for a list of recommended temperatur

566/568 Users Manual 20 Specifications Feature 566 568 IR Temperature Range -40 °C to 650 °C (-40 °F to 1200 °F) -40 °C to 800 °C (-40 °F to 1470 °F)

Infrared Thermometers Specifications 21 Feature 566 568 Battery Life 12 hours with laser and backlight on; 100 hours with laser and backlight

i Table of Contents Title Page Introduction...

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566/568 Users Manual ii Maintenance... 17 Bat

iii List of Tables Table Title Page 1. Symbols...

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v List of Figures Figure Title Page 1. Laser Safety Markings ...

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1 Infrared Thermometers Introduction The 566 and 568 Infrared Thermometers (“the thermometers”) are for non-contact temperature measurement. These