FLIR i3 User Manual

8316.4.7.1 Relative & absolute humidity ............................................................
8316.4.7.2 Definition of dew point ......................................................................
83
16.4.8 Excerpt from Technical Note ‘Assessing thermal bridging and insulation
continuity’ (UK example) ......................................................................................
8316.4.8.1 Credits ...............................................................................................
8416.4.8.2 Introduction .......................................................................................
8416.4.8.3 Background information ...................................................................
8516.4.8.4 Quantitative appraisal of thermal anomalies ....................................
8816.4.8.5 Conditions and equipment ...............................................................
8916.4.8.6 Survey and analysis ..........................................................................
9016.4.8.7 Reporting ...........................................................................................
9217 Introduction to thermographic inspections of electrical installations ......................................
9217.1 Important note ......................................................................................................................
9217.2 General information ..............................................................................................................
9217.2.1 Introduction ...........................................................................................................
9317.2.2 General equipment data .......................................................................................
9417.2.3 Inspection .............................................................................................................
9417.2.4 Classification & reporting ......................................................................................
9517.2.5 Priority ...................................................................................................................
9517.2.6 Repair ....................................................................................................................
9617.2.7 Control ..................................................................................................................
9717.3 Measurement technique for thermographic inspection of electrical installations ...............
9717.3.1 How to correctly set the equipment .....................................................................
9717.3.2 Temperature measurement ...................................................................................
9917.3.3 Comparative measurement ..................................................................................
10017.3.4 Normal operating temperature .............................................................................
10117.3.5 Classification of faults ...........................................................................................
10317.4 Reporting ..............................................................................................................................
10517.5 Different types of hot spots in electrical installations ...........................................................
10517.5.1 Reflections ............................................................................................................
10517.5.2 Solar heating .........................................................................................................
10617.5.3 Inductive heating ...................................................................................................
10617.5.4 Load variations ......................................................................................................
10717.5.5 Varying cooling conditions ...................................................................................
10817.5.6 Resistance variations ............................................................................................
10817.5.7 Overheating in one part as a result of a fault in another ......................................
11017.6 Disturbance factors at thermographic inspection of electrical installations ........................
11017.6.1 Wind ......................................................................................................................
11017.6.2 Rain and snow ......................................................................................................
11117.6.3 Distance to object .................................................................................................
11217.6.4 Object size ............................................................................................................
11417.7 Practical advice for the thermographer ................................................................................
11417.7.1 From cold to hot ...................................................................................................
11417.7.2 Rain showers ........................................................................................................
11417.7.3 Emissivity ..............................................................................................................
11517.7.4 Reflected apparent temperature ...........................................................................
11517.7.5 Object too far away ...............................................................................................
11618 About FLIR Systems .......................................................................................................................
11718.1 More than just an infrared camera .......................................................................................
11818.2 Sharing our knowledge ........................................................................................................
11818.3 Supporting our customers ...................................................................................................
11818.4 A few images from our facilities ...........................................................................................
Publ. No. T559580 Rev. a486 – ENGLISH (EN) – November 17, 2010 ix

FLIR i3 Specifications

General

Infrared Resolution	60 x 60 pixels
Thermal Sensitivity	< 0.15°C
Temperature Range	-20°C to +250°C
Field of View	12.5° x 12.5°
Focus	Fixed
Battery Life	5 hours
Operating Temperature	-10°C to +50°C
Storage Temperature	-40°C to +70°C
Display	2.8 in color LCD
Weight	0.34 kg