November 28, 2016By Bob BerryGeneral, Training

The method of measuring transmissivity here is described in ISO 18434-1. The principle is to use a material of known temperature target object to determine the transmissivity of an unknown material. The test material is placed between the camera and the target object , which should be uniformly heated. The emissivity setting in the camera … Read More

IR Mirrors

November 21, 2016By Bob BerryGeneral, Training

“Are there IR mirrors available?” Answer; Yes IR mirrors are available and can be used for many different purposes. They can be used where a direct line of sight is not available (to help see around a corner with a camera), and they can be used where the cameras is too close to the target … Read More

snap & go thermography

November 14, 2016By Bob BerryGeneral

  Thermal camera sales people often advocate the “snap & go” method of thermography. This is where you just take your images in the field and analyze them later. Is this always a good idea?   No, it is not always a good idea. Doing your analysis in the field does slow you down, true, … Read More

Stephan-Boltzman’s law

November 7, 2016By Bob BerryGeneral, Training

      Stephans Boltzmans Law   If Stephan-Boltzman’s Law gives us the total amount of radiation throughout the spectrum, and our camera only works in the LWIR region how can it display the correct temperature?   This is an excellent question.   Firstly, yes Stephan-Boltzmans Law gives us the total radiation throughout the spectrum. … Read More