Fluke Thermometer 56X User Manual
Getting Started  
56x  
Infrared  
Thermometers  
PN 3833028  
December 2010  
©2010 Fluke Corporation. All rights reserved. Printed in China.  
Specifications are subject to change without notice.  
All product names are trademarks of their respective companies.  
 
Table of Contents  
Title  
Page  
Introduction....................................................... 1  
Safety Information ............................................ 1  
Using the Thermometer.................................... 5  
Changing Batteries........................................... 5  
Cable Connections (568 Only) ......................... 6  
561 Display....................................................... 6  
566/568 Menu Overview .................................. 8  
Specifications Summary................................... 10  
i
 
56x  
Infrared Thermometers  
ii  
 
Infrared Thermometers  
Introduction  
The 561, 566 and 568 Infrared Thermometers (“the  
Thermometers” or “the Product”) 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. The  
Thermometers also support contact-temperature measurement  
via K-type thermocouple.  
Note that the Japanese models indicate Celsius only.  
Safety Information  
A Warning identifies conditions and actions that pose hazard(s)  
to the user; A Caution identifies conditions and procedures that  
could cause Product damage, equipment under test damage, or  
permanent loss of data.  
Symbols used on the Product and in this manual are explained  
in Table 1 and Figures 1 and 2.  
1
 
 
56x  
Getting Started  
*WWarning  
To prevent eye damage and personal injury:  
•
Read all safety Information before you use  
the Product.  
•
Do not look directly into the laser with optical  
tools (for example, binoculars, telescopes,  
microscopes). Optical tools can focus the  
laser and be dangerous to the eye.  
•
•
Do not look into the laser. Do not point laser  
directly at persons or animals or indirectly off  
reflective surfaces.  
Do not use laser viewing glasses as laser  
protection glasses. Laser viewing glasses are  
used only for better visibility of the laser in  
bright light.  
•
•
Do not open the Product. The laser beam is  
dangerous to eyes. Have the Product  
repaired only through an approved technical  
site.  
Replace the batteries when the low battery  
indicator shows to prevent incorrect  
measurements.  
•
•
•
The battery door must be closed and locked  
before you operate the Product.  
Do not use the Product if it operates  
incorrectly.  
Do not use the Product around explosive gas,  
vapor, or in damp or wet environments.  
2
 
Infrared Thermometers  
Safety Information  
•
•
Do not connect the optional external probe to  
live electrical circuits.  
See emissivity information for actual  
temperatures. Reflective objects result in  
lower than actual temperature  
measurements. These objects pose a burn  
hazard.  
•
•
Do not leave the Product on or near objects  
of high temperature.  
Use of controls or adjustments or  
performance of procedures other than those  
specified herein may result in hazardous  
laser radiation exposure.  
•
Use the Product only as specified, or the  
protection supplied by the Product can be  
compromised.  
WCaution  
To avoid damaging the Product 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- for highest  
accuracy, allow 30 minutes for Product to  
stabilize before use).  
3
 
56x  
Getting Started  
TION  
LASER RADIA  
TURE  
OM THIS APER  
A
VOID EXPOSURE  
IS EMITTED FR  
-
UTION  
CA  
O
STARE INT  
BEAM  
nm  
T
TION DO NO  
-
LASER RADIA  
Laser  
0
WAVELENGTH 630  
67  
ODUCT  
-
<
1
mW  
OUTPUT  
2
(II) LASER PR  
CLASS  
COMPLIES WITH  
1040.10 AND 1040.11  
FDA 21CFR  
WITH IEC 60825  
COMPLIES  
Aperture  
AVOID EXPOSURE - LASER RADIATION  
IS EMITTED FROM THIS APERTURE  
CAUTION  
LASER RADIATION - DO NOT STARE INTO BEAM  
<
OUTPUT 1mW WAVELENGTH 630 - 670nm  
(
)
CLASS 2 II LASER PRODUCT  
COMPLIES WITH FDA 21CFR  
1040.10 AND 1040.11  
COMPLIES WITH IEC 60825  
efh010f.eps  
Figure 1. 561 Laser Safety Markings  
Laser  
Aperture  
ewm08b.eps  
Figure 2. 566/568 Laser Safety Markings  
4
 
Infrared Thermometers  
Using the Thermometer  
Using the Thermometer  
To take a temperature reading, point the Thermometer at the  
desired object and pull the trigger. You can use the laser pointer  
to help aim the Thermometer. You may also insert the K-type  
thermocouple probe for contact measurement.  
Changing Batteries  
To change the batteries, see Figure 3.  
AA  
(+)  
ewm04.eps  
Figure 3. Changing Batteries (566/568 is shown)  
5
 
 
56x  
Getting Started  
Cable Connections (568 Only)  
To connect the USB and Thermocouple to the 568, see Figure 4.  
ewm05.eps  
Figure 4. Connecting the K-Type Thermocouple, USB Cable  
(568 Only)  
Note  
To prevent incorrect readings, do not perform a  
temperature measurement of an earthed conductor while  
the 568 is connected to a PC that is earthed by a three-  
phase grounding plug.  
561 Display  
The primary temperature display reports the current or last IR  
temperature read until the 7-second hold time elapses.  
The secondary temperature display reports current  
thermocouple temperature when a type-K thermocouple is  
attached. See Figure 5.  
6
 
 
Infrared Thermometers  
561 Display  
Note  
When the battery is low, appears on the display.  
2
1
3
8
4
5
6
7
efh01af.eps  
Number  
Description  
Laser “On” symbol  
SCAN or HOLD  
°C/°F symbol (Celsius/Fahrenheit)  
Primary temperature display  
Secondary temperature display  
Emissivity LO, MED, HI  
Temperature values for the MIN, MAX, DIF, KTC.  
KTC indicates the thermocouple temperature.  
Low Battery symbol. Appears when the battery  
charge is <25 %.  
Figure 5. 561 Thermometer Display  
7
 
56x  
Getting Started  
566/568 Menu Overview  
There are many settings that can be easily changed by using  
the menu. Table 1 is a top-level description. Selecting the Menu  
button advances the menu to the next level. Figure 6 shows the  
LCD and menu interface. The Users Manual explains the menus  
in full detail.  
ewm01a.eps  
Figure 6. Menu Navigation  
8
 
 
Infrared Thermometers  
566/568 Menu Overview  
Table 1. Top-Level Menu Description  
Left  
Softkey  
Center  
Softkey Softkey  
Right  
Level  
Description  
Description  
Save reading  
to memory  
Review / delete  
memories  
Enables  
Turn on bright  
backlight  
1
2
3
Save  
Mem  
Menu  
Menu  
Menu  
Light  
ε
Set emissivity  
Enable  
Avg/Diff  
MnMx  
Avg  
Min/Max  
Toggle  
between C and  
F
Lock the  
Thermometer  
on  
Set and  
enable alarms  
4
5
°F/°C  
Menu  
Menu  
Alarm  
Laser  
Toggle the  
laser on/off  
(Lock)  
- Turn off  
backlight  
- Change  
Time/Date  
- Change  
Language  
6
Setup  
Menu  
9
 
56x  
Getting Started  
Specifications Summary  
See Users Manual on CD for full specifications.  
Feature  
561  
566  
568  
-40 °C to  
550 °C  
(-40 °F to  
1022 °F)  
-40 °C to  
650 °C  
(-40 °F to  
1202 °F)  
-40 °C to  
800 °C  
(-40 °F to  
1472 °F)  
IR Temperature  
Range  
<0 °C: (1.0 °C + 0.1 °/1 °C)  
>0 °C: 1 % or 1.0 °C, whichever is greater  
(<32 °F 2 °F 0.1 °/1 °F)  
Accuracy  
>32 °F: 1 % or 2 °F), whichever is greater  
0 °C to 100 °C  
(32 °F to  
212 °F)  
K-Type Thermo-  
couple Input  
Temperature Range  
-270 °C to 1372 °C (-454 °F  
to 2501 °F)  
-270 °C to -40 °C: (1 °C +  
0.2 °/1 °C)  
(-454 °F to -40 °F: (2 °F +  
K-Type Thermo-  
couple Input  
Accuracy  
Input accuracy  
0.2 °/1 °F))  
2.2 °C  
-40 °C to 1372 °C: 1 % or  
( 4 °F)  
1 °C (-40 °F to 2501 °F:  
1 % or 2 °F), whichever is  
greater  
10  
 
 
Infrared Thermometers  
Specifications Summary  
Feature  
561  
566  
30:1  
568  
Distance:Spot  
(90 % energy)  
12:1  
50:1  
Single laser, output <1 mW Class II,  
wavelength 630 to 670 nm  
Laser sighting  
Digitally adjustable from  
0.10 to 1.00 by 0.01 or via  
built-in table of common  
materials  
Emissivity  
LO, MED, HI  
Data storage  
-
20 points  
99 points  
USB 2.0  
Communication  
none  
Operating Altitude 3000 meters above mean sea level  
Storage Altitude  
12,000 meters above mean sea level  
10 % to 90 % RH non-condensing up to 30 °C  
(86 °F)  
Relative Humidity  
0 °C to 50 °C  
(32 °F to  
122 °F)  
Operating  
Temperature  
0 °C to 50 °C (32 °F to  
122 °F)  
-20 °C to 65 °C  
(-4 °F to 149 °F)  
Storage  
Temperature  
-20 °C to 60 °C (-4 °F to  
149 °F)  
11  
 
56x  
Getting Started  
Feature  
561  
566  
568  
2 AA /LR6  
Batteries or  
USB  
connection  
when used  
with a PC  
2 AA /LR6 Batteries  
(alkaline or NiCD)  
Power  
12 hours with laser and backlight on;  
100 hours with laser and backlight off, at  
100 % duty cycle (Thermometer  
continuously on)  
Battery Life  
Feature  
K-Type Thermocouple Probe (Bead Type)  
Measurement  
Range  
-40 °C to 260 °C (-40 °F to 500 °F)  
12  
 

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