Message Board Thread - "temperature gradient lower limit value"

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temperature gradient lower limit value sj 12/9/2010
Hi all,

This photograph has been taken on the exterior of teh building. Here, I see that the lower limit of the temperature is coming in negative (farenheit unit) on auto mode. Is there any discrepency?

Thank You,

sj
 
Re:temperature gradient lower limit value IRJay 12/9/2010
The scale is set in auto mode to the whole detector image. -22 is just the sky that it sees. Manually tuning the scale can relieve that and improve contrast or brightness. Adding some contrast to this image may reveal more detail in place of the saturated area at the peak. I also highly doubt the emissivity of these surfaces are at .75. I would expect these to be in the high .80s or the low to mid .90s. This only being important if a measurement is taken.
 
Re:temperature gradient lower limit value ldapkus 12/9/2010
sj wrote:


This photograph has been taken on the exterior of teh building. Here, I see that the lower limit of the temperature is coming in negative (farenheit unit) on auto mode. Is there any discrepency?

Thank You,

sj
FLIR offers infrared certification courses. I would recommend you start with a Level 1 course to better understand how to interpret those images that are showing up on your imager when you pull the trigger.
 
Re:temperature gradient lower limit value sj 12/10/2010
ldapkus wrote:
FLIR offers infrared certification courses. I would recommend you start with a Level 1 course to better understand how to interpret those images that are showing up on your imager when you pull the trigger.
Thanks all for your reply. I would like to know if there are any online course available?

Thanks,
SJ
 
Re:temperature gradient lower limit value Gary Orlove 12/10/2010
I have thermally tuned your image for you using the QuickReport software that came with your camera. As you can see, the retuned images allows you to identify the air leakage problem areas much better.

Online courses are available. I would recommend the following in this order.

I Series Basics
http://irtraining.inquisiqr3.com/catalog/course.asp?id=8821&cid=1531

Thermography Basics
http://irtraining.inquisiqr3.com/catalog/course.asp?id=8817&cid=1528

Introduction to Residential Energy Audits using IR Thermography
http://irtraining.inquisiqr3.com/catalog/course.asp?id=8828&cid=1528

Building IR Basics
http://irtraining.inquisiqr3.com/catalog/course.asp?id=8815&cid=1528
 


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