[Greenbuilding] infrared thermometer

[JOHN SALMEN]

Thanks everyone - I didn't realize that these things have become a
'homeowner must have commodity' and as ubiquitous and cheap as the hand
blender. 

Ryobi model at home despot for $69.  

I find it humorous that our culture has a penchant for identifying problems
and self diagnosis and the gadgetry that accompanies it rather than simply
spending the equivalent on fixing the problem. In this case it would be
about 100 sq.ft. of insulation or maybe a case of caulking. Similarly there
was an article in a magazine that described how snowshoing was much more
aerobic than running - with a picture of all the lovely gear (with
pricetags)that you could purchase to go snowshoeing (about 2k worth)

JOHN SALMEN ENVIRONMENTAL DESIGN
4465 UPHILL RD,. DUNCAN, B.C.  CANADA, V9L 6M7
PH 250 748 7672 FAX 250 748 7612 CELL 250 246 8541
terrain at shaw.ca

-----Original Message-----
From: greenbuilding-bounces at lists.bioenergylists.org
[mailto:greenbuilding-bounces at lists.bioenergylists.org] On Behalf Of John
Straube
Sent: March 2, 2011 6:15 AM
To: Green Building
Subject: Re: [Greenbuilding] infrared thermometer

Emissivity of glass is about 0.84, which is not far off a unit with a
default of 0.90, like within a degree or two.

On 2011-03-02, at 9:11 AM, Sacie Lambertson wrote:

> Thanks to Rob T's suggestion some years ago, I have a very good infrared
gun, the name of which I can give you when I return to my area tomorrow.  At
the time it was supposed to be a real deal; but it isn't a cheap toy--cost
$300 as I recall.  And I think the glass values it registers are correct,
though these are of little interest to me.
> 
> Sacie
> 
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Dr John Straube, P.Eng.
Associate Professor
University of Waterloo
Dept of Civil Eng. & School of Architecture
www.buildingscience.com


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