Thermal imaging attachment

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Thermal imaging attachment

Postby Bob Thrun » Sep 2, 2014 8:58 am

At OTR a caver said he had used a thermal imaging attachment to find a sinkhole that he was able to dig open. I don't want to quote details because I would get something wrong. You can read about the gadget at http://arstechnica.com/gadgets/2014/08/ ... or-vision/
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Re: Thermal imaging attachment

Postby trogman » Sep 2, 2014 9:56 am

Nice...Would love to have one...but spending $349 in addition to buying a Lightning-equipped iPhone 5 or 5S is a heck of a lot of money. Hopefully this technology will get cheaper in the future.
It is interesting to read about, though. Thanks for sharing!

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Re: Thermal imaging attachment

Postby Bumbalawski » Sep 2, 2014 12:26 pm

I have a FLIR E4 IR camera that I use. I did the "hack" and upgraded it with better options and resolution. I bought it last winter for $1000 new. It works very well for cave detection. I wonder what the actual cost for an iphone and the FLIR One would be compared to the FLIR E4?
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Re: Thermal imaging attachment

Postby Squirrel Girl » Sep 2, 2014 3:47 pm

I bought one and played with it a bit at OTR. Sadly I haven't gotten it to a cave yet, though! Will post some pics soon!
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Re: Thermal imaging attachment

Postby Squirrel Girl » Sep 2, 2014 3:48 pm

4 people:
Image

A beverage being enjoyed at the Zoo at OTR:
Image

Bonfire with some people in front:
Image
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Re: Thermal imaging attachment

Postby caver.adam » Sep 2, 2014 8:48 pm

Nice! Been wanting to see how well it works. Am really hoping that you'll shoot a cave entrance when you get a chance. Would like to see whether it is visible.
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Re: Thermal imaging attachment

Postby KeyserSoze » Sep 3, 2014 3:26 pm

Very clever idea. I would think that it would be used best in the winter time for more contrast, correct?
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Re: Thermal imaging attachment

Postby NZcaver » Sep 4, 2014 4:38 am

Squirrel Girl wrote:Image

You are such a gadget whore. :waving: How does the infamous spanking spatula look on a thermal image? :tonguecheek:
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Re: Thermal imaging attachment

Postby Squirrel Girl » Sep 4, 2014 6:14 pm

NZcaver wrote:
Squirrel Girl wrote:Image

You are such a gadget whore. :waving:


One of my nicknames is "Gadget Girl." :banana_yay:

NZcaver wrote:How does the infamous spanking spatula look on a thermal image? :tonguecheek:


Why don't you bend over and let's see how much heat your butt will generate when it gets swatted? :big grin:
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Re: Thermal imaging attachment

Postby Squirrel Girl » Sep 4, 2014 6:19 pm

OK, I don't live near any caves, so I went to a nearby culvert as a pseudo cave:

Warm, summer day:
Culvert, at cloudy sunset, facing away from sun. Asphalt path on right.
Image

Culvert at cloudy sunset. Wettish marshy area in cool blue. Rocks in foreground are warm.
Image
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Re: Thermal imaging attachment

Postby Bumbalawski » Sep 4, 2014 9:52 pm

This is an example of a low entrance to a large cave system in early morning mid July. Notice the FLIR E4 has temperature readings. Does this new FLIR attachment have those capabilities? Without the temperature readings, the FLIR can trick you into thinking you have a cold or hot spot, especially if the outside and "exiting" temperatures are close.

Image
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Re: Thermal imaging attachment

Postby NZcaver » Sep 5, 2014 4:02 am

Squirrel Girl wrote:
NZcaver wrote:How does the infamous spanking spatula look on a thermal image? :tonguecheek:


Why don't you bend over and let's see how much heat your butt will generate when it gets swatted? :big grin:

50 shades of :bananawhip:
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Re: Thermal imaging attachment

Postby Squirrel Girl » Sep 5, 2014 6:42 am

Bumbalawski wrote:This is an example of a low entrance to a large cave system in early morning mid July. Notice the FLIR E4 has temperature readings. Does this new FLIR attachment have those capabilities? Without the temperature readings, the FLIR can trick you into thinking you have a cold or hot spot, especially if the outside and "exiting" temperatures are close.

Image


Yes, there is a temperature option.
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Re: Thermal imaging attachment

Postby hank moon » Sep 5, 2014 11:39 am

Squirrel Girl wrote:4 people:

A beverage being enjoyed at the Zoo at OTR:

Bonfire with some people in front:


Hmmm. Better images than I imagined that thing would produce. Been wanting to aim one at a variety of hot descenders... but all I got is a dummyphone

Any chance of you posting some hot rack (or other) images one of these days?

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Re: Thermal imaging attachment

Postby Scott McCrea » Sep 5, 2014 11:50 am

hank moon wrote:Any chance of you posting some hot rack images?

Image
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