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Fluke 561s - page 1
® 561 Infrared Thermometer Users Manual PN 2562924 February 2006 Rev. 3, 4/08 © 2006-2008 Fluke C orporation, All rights reser ved. Printed in Chi na. Speci fications are su bject to change without notice. Al l product names ar e trademarks o f their respectiv e companies. ...
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Fluke 561s - page 2
LIMITED WARRANTY AND LIMITATION OF LIABILIT Y This Fluke product will be free from defects in material and workmanship for two years from the date of purch ase. T his warranty does not cover fuses, disposable batte ries, or damage from accident, neglect, misuse, alteration, contamination, or abnorm al conditions of operation or handling. Resellers ...
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Fluke 561s - page 3
i Table of Contents Title Page Introducti on ................................................................................ 1 Contacting Fl uke ........................................................................ 1 Safety Info rmation ...................................................................... 2 Features ........................... ...
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Fluke 561s - page 4
561 Users Manual ii ...
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Fluke 561s - page 5
1 561 Infrared Thermometer Introduction The Fluke 561 Infrared Thermometer (hereafter, the Ther mometer) can deter mine the surface temperature by measuring the amo unt of infrared energy radiated by the targ et’s surface or by contact using a thermocouple probe. The Thermo meter was desig ned specifically for use in heating, ventilating , and ai ...
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Fluke 561s - page 6
561 Users Manual 2 Safety Information XW Warning A Warning identifies conditions and actions that pose hazards to the user. To avoid electrical shock or pe rsonal in jury , follow these guidelines: • * Do not point laser directly at eye or indirec tly off reflect ive surfaces. • Before using the Thermometer inspect the case. Do not use the Ther ...
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Fluke 561s - page 7
Infrared Thermometer Features 3 A V O ID E X P O S U R E - L A S E R R A D I A T IO N IS E M IT T E D F R O M T H IS A P E R T U R E CA UTION L A S E R R A D IA T IO N - D O N O T S T A R E IN T O B E A M O U T P U T < 1 m W W A V E L E N G T H 6 3 0 - 6 7 0 n m C L A S S 2 ( II ) L A S E R P R O D U C T C O M P L IE S W I T H F D A 2 1 C F R 1 ...
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Fluke 561s - page 8
561 Users Manual 4 AA Batteries (2) (+) Display Function Buttons Laser T rigger Battery Cover efh007f.eps Figure 2. Infrared Thermometer Display The primary temperature di splay reports the cu rre nt or last IR temperature read until the 7- second hold time elapses. The secondary temperature display reports current therm ocouple temperature when a ...
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Fluke 561s - page 9
Buttons and Connector 5 3 4 5 6 2 1 8 7 efh01f.eps A Laser “On” symbol B SCAN or HOLD C ° C/ ° F sy mbol (Celsius/Fahrenheit) D Primary temperature display E Secondary temperature display F Emiss ivity LO, MED, HI G Temperature v alues for the MIN, MAX, DIF, KTC. KTC indicates the thermocouple temperature. H Low Battery symbol. Ap pears when ...
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Fluke 561s - page 10
561 Users Manual 6 How the Thermometer Works Infrared thermometers measure the surface temperature of an opaq ue object. The Thermometer’s optics sense in frared energy, wh ich is collecte d and focused onto a dete ctor. The Thermometer’s electronics then translate the informati on into a displayed temperature reading which appears on the displ ...
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Fluke 561s - page 11
Operating the Thermometer 7 D:S=12:1 38 mm @ 300 mm 75 mm @ 900 mm 132 mm @ 1500 mm 1.5 " @ 12 " 3 " @ 36 " 5.3 " @ 60 " S D efh005f.eps Figure 5. Distance and Spot Size Field of View Make sure that the target is larger than the spot size. The smaller the target, the close r you should be to i t. See Figure 6. Ye s No ...
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Fluke 561s - page 12
561 Users Manual 8 Table 2. Surf ace Emis sivit y Measured Surface Switch Setting Measured Surface Switch Setting Aluminum Iron, Cast Oxidized Low Oxidized High, Medium Alloy A3003 Unoxidized Low Oxidized Low Molten Low Roughened Low Iron, Wrought Brass Dull High Burnished Low Lead Oxidized Low Rough Low Copper Oxidized Low, Medium Oxidized Medium ...
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Fluke 561s - page 13
Operating the Thermometer 9 Switch efh012f.eps Figure 7. Switching Between ° C and ° F Using the Contact Temperature Probe XW Warning To avoid electrical shock or personal inju ry, do not connect the optional external probe to live electrica l circuits. Connect the probe to the input on the top of the Thermometer . The probe te mperature and ...
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Fluke 561s - page 14
561 Users Manual 10 Table 3 lists recommended Flu k e temperature probes for use w ith the Thermometer: Table 3. Recommended Temperature Probes Probe Usage 80PK-25 The piercing probe is the most versatile option. Good for checking air temperature in ducts, surfa ce temperature under carpets/p ads, liquids, thermometer wells, vent temperatures, and ...
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Fluke 561s - page 15
Troubleshooting 11 Troubleshooting Symptom Problem Action --- (on display) Target temperature is over or under range Select target within speci ficat ions B Low battery Replace battery Blank display Possible dead battery Check and/or replace battery Laser does not work 1. Low or dead ba ttery 2. Ambient temperature above 40 ° C (104 ° F) 1. Repla ...
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Fluke 561s - page 16
561 Users Manual 12 Wrap Thermocouple Probe ( model-specific) Type.............................................................................. Ty pe K with miniconnec tor and Velcro strap, ASTM E230-03 Standard Tolerance Measurement Rang e .................................................... 0 °C to 100 °C (32 °F to 212 °F) Accura cy ........ ...
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