"Dave Fawthrop" wrote in message
...
On Sat, 21 Oct 2006 17:11:34 +0100, "Codswallop" wrote:

|Does the following eBay item look satisfactory for balancing domestic
|central heating radiators?
|http://tinyurl.com/y4olvf
|
|The nearest alternative is the following but would be over 40 quid with
|postage.
|http://cpc.farnell.com/jsp/endecaSea...sp?sku=IN02293
|
|Details of any alternatives appreciated.

But to balance domestic central heating radiators you must measure the
temperature of the air in the room. The surface temp of the radiator is
irrelevant.
--

Why not use an ordinary el cheapo thermometer - you know, the ones with an
outside sensor for about 9 quid, like:-
http://tinyurl.com/y2uxvw

Unless you know the emissivity of the object you are measuring with an IR
thermometer it will not be all that accurate anyway in absolute terms.

Slurp