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

The Snell Group | Nov 16, 2020
Training in Electric Motor Testing
Motor tester manufacturer training and independent vendor theoretical training are generally quite different. Over the years I am certain that you have heard the phrase, “You get what you pay for.” There is a lot of truth in that short phrase. Whenever you purchase a product...

Español

The Snell Group | Nov 12, 2020
Diagram of thermostatic trap
La mayoría de personas podría pensar que inspeccionar trampas de vapor es algo tan sencillo como decir que únicamente debería estar más caliente en el lado del vapor y más frío en el lado del condensado, pero debido a que podrían existir diferentes métodos en los...

Buildings

The Snell Group | Oct 09, 2020
Infrared photo of a ceiling with batt insulation.
Industry specific euphemisms can be incredibly humorous. There are a variety of air brake switches in substations that linemen often call “popsicles”, for example. A tangle of wires is commonly called a “bird’s nest”. In building science there is a component used to help install fiberglass...

IR Talk

The Snell Group | Oct 05, 2020
Diagram of thermostatic trap
Most people inspecting steam traps believe it to be a straightforward thing. It should be hotter on the steam side of the trap and cooler on the condensate side. Because there are many different styles of steam traps and several different methods of removing the condensate,...