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Martin Robinson

Recent Posts

8 Reasons to Choose IRISS IR Windows

Posted by Martin Robinson on 11/3/15 10:00 AM

IRISS Infrared (IR) Windows can provide a wide variety of benefits for your unique maintenance requirements. Take a look below to learn more and make sure to download the full document below to learn why an IRISS infrared (IR) window is the solution your electrical maintenance program has been looking for.

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Topics: IRISS, Infrared Windows, IR window, Testing & Certifications, IR windows, FOV, FAST, Custom

How can OSHA fine companies for Non-Compliance with the requirements outlined by NFPA70E?

Posted by Martin Robinson on 10/6/15 10:30 AM

The Occupational Health and Safety Administration (OSHA) enforces electrical safety regulations in the United States. Although OSHA has not adopted and does not mandate NFPA 70E compliance it possible you can still be cited for non-compliance?

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Topics: Safety, Testing & Certifications, Standards & Regulations, NFPA 70E, OSHA

Is there an IR window “Pressure Rating” for use in ISO phase bus pressurized terminal boxes?

Posted by Martin Robinson on 10/1/15 10:30 AM

The short answer to your question is: No, there is no published ” pressure rating ” for the infrared (IR) window lens. There actually is no specific Standard existing to begin with requiring specific pressure withstand testing or assigned ratings for IR windows. However, IRISS products and lenses are tested against a minimum challenge of 950°Celsius and 25 PSI. In the case of IRISS only, this information does exist and is derived from the stunning results of much more severe testing parameters which our full product lines are subjected to–and this aspect is uniquely so for IRISS alone as our products are the most tested and certified in this industry and product category.

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Topics: Infrared Windows, Thermography, Testing & Certifications, Standards & Regulations, Isophase

Know your Spatial Resolution

Posted by Martin Robinson on 9/29/15 10:30 AM

Spatial Resolution is also known as the Instantaneous Field of View (IFOV) or Spot Size. The limitations of the spatial resolution are due to the size and expense of the focal plane array (FPA). The FPA of many moderately priced IR cameras will have an array of 320 x 240 or 160 x 120 detectors. This may make it difficult to determine the temperature of small targets at a long distance...

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Topics: Infrared Windows, Thermography, IR Cameras, Spatial Resolution

The Coffee Cup Test

Posted by Martin Robinson on 9/24/15 10:30 AM

A simple way to check the transmission rate of any infrared window is the “coffee cup test.” Use this test before your initial installation and during regular IR window maintenance for windows with materials that are known to degrade over time.

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Topics: Education, Thermography, Training, Emissivity, IR Cameras, IR-ID Labels

What are the advantages of using infrared windows in a thermographic inspection program?

Posted by Martin Robinson on 9/17/15 9:33 AM

At IRISS we see companies implement an infrared (IR) window program for a variety of reasons, but most tend to fall into the following categories:

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Topics: Safety, Infrared Windows, Thermography, Arc Flash Safety, Standards & Regulations, Electrical Inspection

Analyzing your findings… How accurate are your readings and why?

Posted by Martin Robinson on 9/15/15 9:39 AM

Many people are not aware that the detector in an infrared camera actually only reads electromagnetic radiation it receives in a specific range of wavelengths. In order to display this in a useful reading the camera makes several calculations in order to convert the actual data to a temperature. The emissivity and transmissivity (sometimes depending on the camera manufacturer) have to be manually entered into the camera’s menu. if this value is entered incorrectly the actual temperature will be exponentially different (see Stefan-Boltzmann’s Law) than the displayed temperature. The old saying of “well as long as it is consistently wrong the change will be noted” is not entirely correct either, as the difference between phases will also be exponentially wrong. The error is going to be worse as the temperature rises – if the differential between the measured temperatures is significant then the displayed temperatures could be significantly different!

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Topics: Safety, Electrical Maintenance, Infrared Windows, Thermography, Electrical Inspection, IR Cameras

The formula for determining Field of View Using any Infrared Camera

Posted by Martin Robinson on 9/10/15 9:48 AM

Every infrared camera defines its Field of View (FOV) across a horizontal/vertical axis.

You have two ways to determine the Field of View (FOV) on your camera:

  1. You can calculate the FOV using the formula: 2 x the tangent of ½ the angle x distance
  2. You can measure (and “map out”) the practical FOV with a quick field test to check your math!

The practical FOV test is quick, relatively easy, and in no way requires a scientific calculator!

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Topics: Infrared Windows, Thermography, IR Cameras, Field of View

Tips for better surveys using Infrared and Ultrasound technologies

Posted by Martin Robinson on 9/8/15 3:48 PM

How do YOU perform an infrared electrical inspection?

For many people this is not something defined and utilized for ensuring every inspection goes correctly. Why not define the procedure on a work order? Can there be too many variables to write out a procedure? Taking the time to document the process on the front end of any job is not only prudent it is absolutely necessary for repeatable, consistent testing to take place. The benefits to the overall efficiency of the inspections, ensures safety for the personnel performing inspections, and non-technical management is made aware of any issues and in most cases “buys into” the program more readily when the entire process is defined at the onset...

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Topics: Infrared Windows, Training, Electrical Inspection, Whitepaper, ultrasound

What Certifications Apply to Infrared Windows?

Posted by Martin Robinson on 9/3/15 9:48 AM

Years of industrial manufacturing experience have given technicians a trust that the minimum requirements necessary for certifying a product to UL standards are usually enough to ensure safe and reliable operation. In the case of infrared windows this is not necessarily true.

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Topics: Electrical Maintenance, Infrared Windows, Testing & Certifications, certifications

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