[AMPS] 3-500z Cooling air

[w8jitom@postoffice.worldnet.att.net]

> From:          "Jussi Sampola" <jussi.sampola@vacon.com>
> Date:          Tue, 16 Sep 97 13:23:55 +0000

> HI!
> 
> Does any one know how high you can let output cooling air temperature 
> to rise?? 

Hi Jussi,

The tube temperature is the main concern, not the exhaust air 
temperature (unless you worry about damaging the cabinet or something 
next to the cabinet).

>because i have modified Henry 2KD (desktop) lin. with bigger 
> HV-transformer and i wonder if output air temp in in limits??

No, but the tube seals are especially critical. You need to measure 
the seal temperature. The air temperature coming out of the cabinet 
tells you nothing about the tube safety.

You should measure the seal temp with a temperature sensitive crayon 
or paint.

73, Tom W8JI

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