[Phys-L] Re: Laser Temperature Gun

[Brian Whatcott <betwys1@SBCGLOBAL.NET>]

In the same vein, there is a tellurometer with a laser LED
target, that uses the same ol' sonar principle. to measure distance
across a room.

Brian W

At 10:38 AM 11/4/2005, you wrote:
> I suspect the laser just aims the device.  What is being sensed is
> the ir radiation...it is a commonly used thermal sensor.
>
> joe
> Joseph J. Bellina, Jr. Ph.D.

> On Nov 4, 2005, at 11:31 AM, Ron Curtin wrote:
>
> > One of the janitor people came by my room with a new
> > temperature-measuring device that I liked, but can't figure out.
> > It is
> > a gun shaped thing that "shoots" a laser beam at a vent in the
> > ceiling.
> > The device has a digital readout of the temperature of the spot the
> > laser is hitting.  It seemed to work. ///


Brian Whatcott    Altus OK    Eureka!
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