Tag Archives: infrared cameras

Blog #064 – Your THERMOGRAPHY COMFORT LEVEL – Emissivity? What is it? Is it important?

Every target surface that you point your infrared camera at has a surface characteristic of emissivity.  How’s your comfort level with that subject?  I talked about this a little in blog #015 (Radiosity!  What is it?)  As you might remember, … Continue reading

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Blog #059 – Your THERMOGRAPHY COMFORT LEVEL – NETD. What is it and why is it important?

When shopping for an IR camera one needs to match up certain features of the camera to the investigative needs of the thermographer.  So, we need to understand and look at “camera specifications” which are found in the “spec sheets”.  … Continue reading

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Fluke Thermal CashBack Promotion

Get some relief from the economy and get cash back when you purchase a qualifying Fluke Thermal Imager. $1,000 rebate with purchase of Ti32 or TiR32 Thermal Imager $750 rebate with purchase of Ti29 or TiR29 Thermal Imager $500 rebate … Continue reading

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Blog #046 – Your THERMOGRAPHY COMFORT LEVEL – Why can’t my infrared camera see through glass?

Have you ever asked the question “Why can’t my infrared camera see through glass”?  First of all, let’s appreciate that IR cameras do not “see through” things.  The detectors in thermal imaging cameras “receive” energy waves that come from the … Continue reading

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Blog #041 – Your THERMOGRAPHY COMFORT LEVEL – Thermography – your augmented product!

There was a book written in the 80’s by Theodore Levitt called “The Marketing Imagination”.  He was renowned as the Harvard Business School’s “guru of marketing”.  Why am I mentioning this man and his book to you?  Because our success … Continue reading

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Blog #037 – Your THERMOGRAPHY COMFORT LEVEL – ∆T for insulation inspection verses ∆T for air leak inspection

Why does the recommended ∆T for air leak investigations differ from the recommended ∆T for insulation inspections?  This can be better understood if we think on a molecular level.  The 2nd law of thermodynamics states that hot goes to cold.  … Continue reading

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Blog #036 – Your THERMOGRAPHY COMFORT LEVEL – Why do my images look so grainy?

For the sake of this discussion I’ll use the word “grainy” as a contrast to “smooth” and “sharp”, referring to how an infrared image looks.  Graininess in your image can be the result of a variety of factors.  I’ll address … Continue reading

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FREE TRAINING SEMINARS

For your information you can receive some FREE training in using thermal imaging cameras for building diagnostics.  I will be teaching a one day class for PG&E in San Jose June 7th  and I’ll be giving 5 half day seminars … Continue reading

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Blog #030 – Your THERMOGRAPHY COMFORT LEVEL –Be aware of false positives and false negatives!

In blog # 015 on Feb 4, 2011 I discussed “radiosity”.  Radiosity is all of the infrared radiation coming into your camera in the defined band width that your infrared camera operates in (likely 7.5µm to 14µm band width).  That … Continue reading

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Blog #029 – Your THERMOGRAPHY COMFORT LEVEL –Should I use manual or auto mode for span adjustment?

If your infrared camera gives you the option of manual mode or automatic mode for span adjustment you might wonder which mode is best and why?  Let’s talk about the difference in these modes.  The manual mode locks the span … Continue reading

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