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THERMOGRAPHY

INFRARED IMAGING - UTILIZING IR FUSION

IR Fusion is the merging or fusion of Visible Light Images with Infrared Images. We do this with the latest in Infrared Camera technology. Every material on earth emits Infrared Radiation. This is known as the material's Thermal Signature. Some materials, such as flat painted surfaces have very high Emissivity or are very good emitters. Others, such as copper have extremely low Emissivity or are very poor emitters. The measurement of Infrared Radiation is calculated into temperature. Abnormally high temperatures are known as Thermal Anomalies and can appear in all types of electrical equipment. Regular Thermography inspections will detect and identify Thermal Anomalies before they cost you expensive repairs, replacements, lost production, or employee injury.

TYPICAL PROBLEM AREAS

  • Main Switchgear

  • Transformers

  • Bus Duct

  • Distribution Panels

  • Power Panels

  • Lighting Panels

  • Control Panels

 

  • Disconnects
  • Servers
  • Motors
  • Starters
  • Variable Speed Drives
  • Motor bearings
  • Steam traps

 

TYPICAL CAUSES

  • Loose or corroded terminations

  • Loose fuse clips

  • Partially blocked cooling fins or low oil on transformers

  • Faulty circuit breakers

  • Overloaded circuits

  • Improperly balanced loads

  • Undersized wiring
  • Failed cooling fans on servers
  • Loose bus bar connections
  • Low or excessive grease on bearings
  • Failed steam traps

 


Identifying these Thermal Anomalies in a proactive Preventative Maintenance Thermography Inspection allows for inexpensive scheduled remediation in lieu of reactive expensive repairs or replacements after equipment failure, production stoppage, or employee injury.


 

Some sample images, graphs, readings, and recommendations from an actual Thermography Report are shown below for your review . The full report will be in much greater depth and detail. It will list all the equipment inspected, images of the Thermal Anomalies, and recommended actions per NETA Standards.  If you are interested in discussing this for your facility, please contact us.


x.bmp

IR000176.IS2

12/8/2007 4:21:54 PM

x.bmp

Visible Light Image

 

Picture in Picture

 

x.bmp

IR000147.IS2

11/6/2008 9:38:36 AM

Thermal anomaly present. Check at earliest convenience.

x.bmp

Visible Light Image

 

x.bmp

Main Image Markers

Name

Temperature

Emissivity

Background

Centerpoint

95.9F

0.95

71.6F

Hot

134.0F

0.95

71.6F

Cold

78.7F

0.95

71.6F

 

x.bmp

IR000087.IS2

10/1/2008 11:37:09 AM

Extreme overheating on circuit breaker. Temperature is at least 150 degrees F. Check termination and loading.

x.bmp

Visible Light Image

 

 

Image Info

Background Temperature

71.6F

 

Emissivity

0.92

 

 

Main Image Markers

Name

Temperature

Emissivity

Background

P0

150.0F

1.00

71.6F

P1

143.6F

1.00

71.6F

P2

108.7F

1.00

71.6F

 

x.bmp

IR000148.IS2

11/6/2008 9:39:17 AM

Fuse has an abnormal Thermal Signature. Probable load imbalance.

x.bmp

Visible Light Image

 

 

x.bmp

Graph

 

x.bmp

IR000149.IS2

11/6/2008 9:39:40 AM

x.bmp

 

Image Info

Background Temperature

71.6F

Emissivity

0.95

 Main Image Markers

Name

Avg

Min

Max

Emissivity

Background

L0

146.8F

114.2F

177.4F

0.95

71.6F

 

Name

Temperature

Emissivity

Background

Hot

178.5F

0.95

71.6F

P0

143.9F

0.95

71.6F

 
 

 For General Information
 info@afsmith.com

A.F. SMITH ELECTRIC, INC.
P.O. BOX 981241  ~  48198-1241
624 SOUTH MANSFIELD
YPSILANTI, MICHIGAN 48197

PH:(734)482-0977   Fax:(734)482-2034


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