Date:         Sun, 26 Mar 2006 12:39:14 -0500
Reply-To:     Greg Potts <Greg@POTTSFAMILY.CA>
Sender:       Vanagon Mailing List <vanagon@gerry.vanagon.com>
From:         Greg Potts <Greg@POTTSFAMILY.CA>
Subject:      Cheap but reliable IR gun?
Comments: To: Dennis Haynes <dhaynes@OPTONLINE.NET>
In-Reply-To:  <000001c650de$a7e4f680$6400a8c0@masterpc>
Content-Type: text/plain; charset=US-ASCII; delsp=yes; format=flowed

Hi Volks,

Can anyone recommend a decent IR gun that won't break the bank? Is
the one sold at Radio Shack/The Source any good?

I have an occasional need for one at work, and would like to have the
opportunity to second-guess (verify) the CHT gauge on my aircooled
engines.  In order to expense this item through my employer I need
for  it to be accurate in the 30-50C range, and for VW work I need
sensitivity from 120C - 300C

Happy trails,

Greg Potts
Toronto, Ontario, Canada

1973/74/79 Westfakia Conversion **Bob the Tomato**  LY3H
1977 Sunroof Automatic L63H/L90D
http://www.pottsfamily.ca/westfakia
http://www.busesofthecorn.com


On 26-Mar-06, at 9:07 AM, Dennis Haynes wrote:

> The gauge actually has a provision to adjust the needle position and
> sometimes new ones do need adjustment. T-stats can also be defective
> even new. Get an IR gun and check the coolant temp at the t-stat
> housing. If it is 185F and 200F things are good. Check at what temp
> the
> fan turns on. Remember that the fan switch is at the outlet of the
> radiator. By the time the fan turns on, the coolant leaving the engine
> will be hotter as the return will be at ~180F. This is normal.
>
> Dennis