Latest Blogs

The Think Thermally and MotorTalk blogs are updated monthly, written by Snell instructors and consultants for those interested or involved with infrared thermography and electric motor testing (EMT). Electrical, mechanical, building applications, and EMT are covered in this blog along with discussions on theory, equipment, tips, news, and much more.
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Motor Talk

Why is Insulation Temperature Correction Important

The Snell Group | Mar 13, 2023

One of the most widely known test methods applied to electric motors is the resistance to ground (RTG) test. It is commonly referred to as a “megger” test, because one of the meg-ohmmeter manufacturers, Biddle, named their product a “Megger,” and the name stuck. Biddle is ..

Buildings

Consider Optional Lens for Building Inspections

The Snell Group | Mar 06, 2023

While an infrared camera’s standard lens is likely fine for most circumstances, the option to add a telephoto or wide-angle lens can prove useful in certain aspects of building inspections. First, if you are new to infrared and think you might have the need for an..

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Persiguiendo el calor

The Snell Group | Jan 12, 2023

Cuando crecía, mi padre era muy bueno enseñándome todas las cosas que un hombre joven debía saber, cosas usuales, como: pescar, cambiar un neumático, etc. Cada cierto tiempo, mi padre me decía algo como por ejemplo: ‘déjame mostrarte este viejo truco del ejército’. Al ser adolescente ..