On Tue, 17 Oct 2006 23:15:46 +0100, Dave wrote:

|Dave Fawthrop wrote:
|
| On Mon, 16 Oct 2006 23:04:12 +0100, Dave wrote:
|
| |Andy Hall wrote:
| |
| | On 2006-10-15 11:48:31 +0100, "Ron" said:
| |
| | Hi, I am becoming obsessed :-) with temperature and heat loss etc.
| | around my house and thought I would get an infrared thermometer to
| | measure wall temperatures and other things such as the temerature of
| | overhead clouds if possible. Any suggestions as to what type of
| | infrared thermometer I should get? Not too expensive as my grandson is
| | buying it for my birthday.
| | Thanks Ron
| |
| |
| |
| | Maplin usually have some that are fairly inexpensive.
| |
| |I bought one of those about 12 months ago and it is perfect for winding
| |up the landlord of my local real ale pub. The one thing he hates is to
| |be told that is serving his beer at the wrong temperature. A quick pull
| |of the trigger and he is convinced.
|
| Surely it measured the temperature of the outside of the glass not the
| temperature of the beer ;-)

I would use my probe thermometer

|LOL Yes. But since the glass is only a container that is quite thin, the
|contents will be equal to the outside of the glass.

Glass is far from a perfect conductor of heat so the outside surface glass
will be higher than the beer.

As I *hate* beer, this is just of casual interest.
--
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