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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The Snell Group | Dec 04, 2019
Questioning your interpretation of an image.
I'm not in the holiday spirit, that's not what I'm going for here, although I must admit when I typed that the song popped into my head. Now I can't get rid of it. The things I subject myself to for the edification of our faithful...
The Snell Group | Nov 11, 2019
Making reports for your inspection program.
Old School VS New - Annotations and Inspection Details As technology changes it’s important to keep an open mind and recognize that things change, processes change and that there’s benefit to exploring new approaches to just about anything. Let me say that I can be set...
The Snell Group | Oct 07, 2019
Digital Image Quality
One aspect of camera improvement in recent years that seems to have lagged is the quality of the onboard digital camera. My first IR imager didn’t even have one, so anything is an improvement over that. Or at least you would think. One of the things...

IR Talk

The Snell Group | Nov 27, 2019
Field Calibration of Your imaging system
The topic of calibration and accuracy of measurement in infrared imaging systems is one that tends to stir debate when it inevitably comes up. Most trained thermographers understand the limitations of radiometric temperature measurement and have learned techniques to improve the reliability of the temperatures their...


The Snell Group | Oct 14, 2019
An inspection route of MCCs
Mi trabajo es muy divertido, pues tengo la oportunidad de pasar tiempo con nuevos grupos de personas en cada clase que dicto, tengo la oportunidad de hablar de algo que me gusta mucho, y en varias ocasiones puedo ayudar a estudiantes luego de los cursos de...
The Snell Group | Sep 16, 2019
Chasing the Heat
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,...

Motor Talk

The Snell Group | Sep 13, 2019
Steppers and Servos.
One of the more common questions asked by reliability workers with regard to Electric Motor Testing (EMT) is the type of electric motors that can benefit from condition monitoring testing. Obviously, various industries employ different sizes and types of motors. Some facilities would consider a 25HP...