Table of Contents
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Table of contents
1
Warnings & cautions ......................................................................................................................
2
Important note about this manual .................................................................................................
3
Welcome! .........................................................................................................................................
3.1
About FLIR Systems .............................................................................................................
3.1.1
A few images from our facilities ............................................................................
3.2
Comments & questions ........................................................................................................
4
Packing list ......................................................................................................................................
5
System overview .............................................................................................................................
6
Connecting system components ..................................................................................................
7
Introduction to thermographic inspections of electrical installations ......................................
7.1
Important note ......................................................................................................................
7.2
General information ..............................................................................................................
7.2.1
Introduction ...........................................................................................................
7.2.2
General equipment data .......................................................................................
7.2.3
Inspection .............................................................................................................
7.2.4
Classification & reporting ......................................................................................
7.2.5
Priority ...................................................................................................................
7.2.6
Repair ....................................................................................................................
7.2.7
Control ..................................................................................................................
7.3
7.3.1
How to correctly set the equipment .....................................................................
7.3.2
Temperature measurement ...................................................................................
7.3.3
Comparative measurement ..................................................................................
7.3.4
Normal operating temperature .............................................................................
7.3.5
Classification of faults ...........................................................................................
7.4
Reporting ..............................................................................................................................
7.5
Different types of hot spots in electrical installations ...........................................................
7.5.1
Reflections ............................................................................................................
7.5.2
Solar heating .........................................................................................................
7.5.3
Inductive heating ...................................................................................................
7.5.4
Load variations ......................................................................................................
7.5.5
Varying cooling conditions ...................................................................................
7.5.6
Resistance variations ............................................................................................
7.5.7
Overheating in one part as a result of a fault in another ......................................
7.6
Disturbance factors at thermographic inspection of electrical installations ........................
7.6.1
Wind ......................................................................................................................
7.6.2
Rain and snow ......................................................................................................
7.6.3
Distance to object .................................................................................................
7.6.4
Object size ............................................................................................................
7.7
Practical advice for the thermographer ................................................................................
7.7.1
From cold to hot ...................................................................................................
7.7.2
Rain showers ........................................................................................................
7.7.3
Emissivity ..............................................................................................................
7.7.4
Reflected apparent temperature ...........................................................................
7.7.5
Object too far away ...............................................................................................
Publ. No. 1558146 Rev. a156 - ENGLISH (EN) - February 28, 2006
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