Two Minute Tips  

Don’t Forget to Label Your Infrared Inspections Window

Rudy Wodrich
Rudy Wodrich | VP Engineering Services, IRISS

Although you may be the engineer responsible for installing the IR window, you may not be the one using it. Record all required target data inside the panel, this will make sure that the same data is recorded using the same inspection parameters each time the window is used  ensuring nothing is missed and quality data is recorded each and every time the window is used.

Affixing information labels is an important final step in the installation process. One label should identify what the window is and how to use it. A second label should contain the following information that will be critical in performing a thorough and accurate infrared inspection:

  • Each inspection window should be given a unique This will be invaluable, especially, if there are multiple windows on one electrical panel.
  • Document the type of window (MW or LW) and the effective wavelength of the
  • Record the transmission rate of the window, and the proper transmission compensation value for the MW and LW using your own camera where possible.
  • Record all target data on the ID label. The most common method of documenting target location is the clock face method: i.e. bus bar connections at 4 o’clock. It should be noted that there may be multiple targets being surveyed through the IR
  • Note the emissivity of the internal targets (especially important if you have not managed to standardize using IR-ID target labels).
  • Some cameras do not have the ability to adjust the external optics transmission; therefore, thermographers may use the emissivity settings on the camera to cover transmission and emissivity losses, if you are using this method this setting should be recorded on the label.

Remember an unlabeled window will reduce the effectiveness of the installation! Any best practice needs easily repeatable quality data collection procedures at all times, correctly labeling the Infrared window installation is the final step to ensuring  this happens.

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About the Author

Rudy Wodrich
Rudy Wodrich VP Engineering Services, IRISS

Rudy Wodrich is an Electrical Engineer whose career has revolved around designing electrical distribution systems for industrial, commercial and power generation applications for both high efficiency and reliability. Rudy spent over 20 years at Schneider Electric and ABB. Rudy now leads new product development at IRISS Inc. in Bradenton, Florida working on Electrical Maintenance Safety Devices (EMSD) and Critical Asset Surveillance Technologies (CAST) to provide early warning of potential electrical equipment failure and to automate maintenance record keeping with Internet of Things technologies. Rudy also holds an MBA from the University of Toronto and is a Certified Reliability Leader.