I wonder if those IR thermometers won't give a false reading of glass
temperatures because of also picking up the direct radiated IR from the
tubes plate as it is operating.
73
Gary K4FMX
> -----Original Message-----
> From: amps-bounces@contesting.com [mailto:amps-bounces@contesting.com] On
> Behalf Of Will Matney
> Sent: Saturday, January 28, 2006 11:09 PM
> To: amps@contesting.com
> Subject: Re: [Amps] What blower?
>
> We had discussed using the new infrared aimable thermometers for this. You
> aim the laser dot and read the temp. I was thinking Rich Measures was
> going to try this out using a Fluke model. If it was a sucess, I would
> like to know the outcome. I myself though of using one to check the coil
> temperatures on transformers running under full load. The outter coil temp
> can be used to extrapolate the internal temp at the mean radius of each
> coil this way. Has anyone tried this with any success yet?
>
> Best,
>
> Will
>
>
> *********** REPLY SEPARATOR ***********
>
> On 1/28/06 at 8:00 PM Bill Turner wrote:
>
> >ORIGINAL MESSAGE:
> >
> >At 11:35 AM 1/28/2006, Gary Smith wrote:
> >
> >>Top of my one of my 3cx800 a7's reads 73 degree at idle in standby
> >>Temp of tube key down 145 degrees. 1kw in rtty out.
> >
> >
> >~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
> >
> >The top of the tube is not especially critical. It's the seal
> >wherever metal meets glass or ceramic that counts. If you can reach
> >that with the tube operating, fine. Many rigs you can't.
> >
> >73, Bill W6WRT
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>
>
>
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