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Energy Assessment: Basic thermal imaging camera

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    • CommentAuthortony
    • CommentTimeMar 21st 2012
     
    Which one should I get for quick easy surveying of heat losses from and finding cold spots inside?
    • CommentAuthornbishara
    • CommentTimeMar 21st 2012
     
    We're using a Fluke for an energy saving project and I think it's very intuitive and seems cheaper than many others (c1.5k?). I should add that I don't have extensive familiarity with thermographic cameras though; just this one.
    • CommentAuthorRobinB
    • CommentTimeMar 21st 2012
     
    Anyone interested in getting one to share? It would be very useful, very occasionally!
    • CommentAuthorJoiner
    • CommentTimeMar 22nd 2012
     
    Interesting proposition, Robin, given the 'international' nature of this forum. :bigsmile:

    The logistics would be interesting. :wink:
    • CommentAuthornbwilding
    • CommentTimeMar 22nd 2012
     
    An infrared thermometer gun (~£20 from Amazon) will allow you to find cold spots, albeit with a bit more work.
    • CommentAuthortony
    • CommentTimeMar 22nd 2012
     
    already have one and like you say it will find cold spots and reads temperatures, with experience is is easier to know where to look, camera gives a record instantly and easily.
    • CommentAuthorJoiner
    • CommentTimeMar 22nd 2012
     
    And with a permanent record.
    • CommentAuthorRobinB
    • CommentTimeMar 22nd 2012
     
    ever the optimist!
    • CommentAuthorRobinB
    • CommentTimeMar 22nd 2012
     
    me, I mean
  10.  
    http://www.getflir.com/flir-ix-black-virtual-demo-en/

    Im currently looking at the Flir series of cameras for a large PV installation later this summer, Ive seen them on ebay for around 1 to 1.5k.
    • CommentAuthorSprocket
    • CommentTimeMar 23rd 2012
     
    Isn't the Flir fixed focus?
    I went for the entry-level Fluke TiS. It has manual focus which I find pretty useful.

    http://www.rapidonline.com/Tools-Equipment/Fluke-Tis-Infrared-Thermal-Imaging-Scanner-85-3589

    It's a seriously sturdy/chunky piece of kit and comes in a nice big yellow site case with extra storage and internal padded waterproof bag.
    Spec is 120x120 but the sensor (and raw images it produces) are really 160x120 internally.
    • CommentAuthortony
    • CommentTimeMar 23rd 2012
     
    I think Flir ones all have autofocus
    • CommentAuthorSprocket
    • CommentTimeMar 23rd 2012
     
    Sorry. Fixed focus I think.
    http://www.flir.com/cs/emea/en/view/?id=41963
    They look like they use a small aperture to compensate (front lens element is pretty small).
    The Fluke has a great big germanium lens on the front.

    Mind you, I see the Flir i3 is available from £895
    It's only 60x60 but they're all pretty low resolution at this end of the market. Maybe it's plenty good enough.
  14.  
    Interesting, I hadnt even thought about focusing. Does this make a big dif?

    Probably need to get a demonstration from the local resellers to see what the different models can and cannot do. Ours will be used to primarily check a large PV installation (10,000 panels) and new build houses.
    • CommentAuthorGaryB
    • CommentTimeMar 25th 2012
     
    I purchased a Flir I7 for work and have no regrets. It is 120x120 resolution and this works for us.

    I researched the options available and was initially tempted by the low price of £895 for the Flir I3. The Flir I3 has the same body and functionality but the 60x60 resolution means that to cover the same area of wall you have to stand much further back - in restricted space this could mean that 4 pictures have to be taken instead of one.

    The focus on the I7 works well and gives good images from 6" to external shots of houses.
    • CommentAuthortony
    • CommentTimeMar 25th 2012
     
    i7 ?
    • CommentAuthorGaryB
    • CommentTimeMar 25th 2012
     
    Sorry Tony, I used a capital 'I' for some unknown reason - it should be i7.
    • CommentAuthortony
    • CommentTimeMar 25th 2012
     
    I'm thinking of getting that one though they just brought out a new version.

    I had a demo at Eco-build and could see peoples foot prints on the carpet as they moved away from where they stood (the heat from the souls of their feet warmed up the carpet!)

    looked at some others too,
    • CommentAuthorGaryB
    • CommentTimeMar 25th 2012
     
    Tony

    I looked at the new version online and it looks like they have just changed the colour...
    • CommentAuthorJoiner
    • CommentTimeMar 25th 2012
     
    :bigsmile: Sorry, typos just get me laughing sometimes.

    Tony, it's only Catholics who have souls, not feet, dogs or Protestants. :bigsmile::bigsmile:
    • CommentAuthorpmagowan
    • CommentTimeMar 26th 2012
     
    I recently got the i7 and it works well. I am using it to help identify weak points in a couple of houses and also to help with the installation of EWI in my own. Using it is really easy with a very ergonomic gun-like grip. You pull the trigger when you want to capture an image. The images are jpeg and my Mac is happy with them although it will not run the windoze software if you want to analyse it (unless you run bootcamp windoze). It has clearly shown significant areas of air penetration at the eaves and also slipped roof insulation. It has also shown a number of electrical appliances which are running too hot and an overloaded fuse.
    •  
      CommentAuthorSteamyTea
    • CommentTimeMar 26th 2012
     
    Lovely fish are sole.:surprised:

    Sorry could not resist, slapping myself now.
    •  
      CommentAuthorDamonHD
    • CommentTimeMar 26th 2012
     
    With a sea bass?
    •  
      CommentAuthorSteamyTea
    • CommentTimeMar 26th 2012
     
    • CommentAuthorEd Davies
    • CommentTimeMar 26th 2012
     
    Met a chap once who was quite chuffed with himself for having been bound over to keep the peace for hitting an earl with a kipper. The circumstances of the telling were such that it seemed plausible.
    •  
      CommentAuthorDamonHD
    • CommentTimeMar 27th 2012
     
    Sounds like a red herring to me m'lud.
    • CommentAuthorJoiner
    • CommentTimeMar 27th 2012 edited
     
    You guys are getting me into trouble for a perfectly innocent digression by milking it for all it's worth. :bigsmile:

    Sorry, Tony. Time to round up the usual suspects. :wink:

    Now, what was it you wanted to know about the fish that can see in the dark?
  28.  
    OK, I'll try to get you further into trouble by asking what cheese you use to entice a bear out of a cave. (Hope I haven't posted this one before - if so, sorry! Well actually, sorry anyway!)
    •  
      CommentAuthorSteamyTea
    • CommentTimeMar 27th 2012 edited
     
    Camembert

    Come on bear
  30.  
    Steamy, I thank you!

    And by te way, what cheese do you use to hide a small horse?

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