Date: Tue Feb 6 13:31:18 2007
Author: Zigmund J. Peacock
Subject: Re: Light the match?
Dale, I had a Cenco thermopile sitting on the shelf all the time, why
didn't I think of that?
Dale Stille wrote:
> I'm wondering if you can't increase your sensitivity by a factor of
> about 100 if instead of using the thermocouple attached to the digital
> thermometer, you used that Cenco sensitive thermocouple in the horn
> thingy and attached it to a millivolt or microvolt meter. Then, while
> the effect may be small you would get a reasonable change in meter
> Go to http://faraday.physics.uiowa.edu/heat/4B40.30.htm for a picture
> of the horn if my explaination above did not ring a bell
> On Tue, 6 Feb 2007, Zigmund J. Peacock wrote:
>> Taplers, we have tried to no avail to repeat the cool the
>> thermocouple demo we are using a 3" stainless float [Small Parts Inc]
>> and a 0.003 thermocouple attached to an Omega digital thermometer.
>> Quite frankly the demo does not work!!! We see something on the
>> order of 0.5 to 1 degree C of cooling at best, that is easily within
>> error parameters.
>> At 2 feet we are seeing a change from 21 to 19 degrees C, at that
>> distance it could easily direct radiation or just cooling effects
>> because it is so d--- close.
>> Ziggly Wiggly Woo --
>> Zigmund Peacock University of Utah/Physics
>> 115 SOUTH 1400 EAST #201 Tel 801 581 6602
>> SALT LAKE CITY UT 84112-0830 Fax 801 581 4801
>> "We sleep safely in our beds because rough men stand ready in
>> the night to do violence to those who would do us harm"
>> -- George Orwell
>> "All that is necessary for the triumph of evil is that good
>> men do nothing!"
>> -- Edmund Burke
University of Utah/Physics
115 SOUTH 1400 EAST #201 Tel 801 581 6602
SALT LAKE CITY UT 84112-0830 Fax 801 581 4801
"We sleep safely in our beds because rough men stand ready in
the night to do violence to those who would do us harm"
-- George Orwell
"All that is necessary for the triumph of evil is that good
men do nothing!"
-- Edmund Burke