[Amps] caps SB200

[Will Matney]

Steves correct. Dont trust the meter on the amp, always check the HV with a HV meter. I have two Simpson meters I use for this, a 260 and 467 which have HV probes. If it still shows low, see the first post on line sag.

Best,

Will

*********** REPLY SEPARATOR  ***********

On 8/20/05 at 5:34 PM Steve Thompson wrote:

>Neal Sacon wrote:
>
>>While we're on the subject, sort of ... 
>>
>>I've got a PV at idle of about 2100 and it drops to 1600 or 1700 under
>load.
>>I understand it s/b abt 2500. It's the original xformer, but the caps were
>>replaced by a prior owner with I'm not sure what, and if the xformer is ok
>>(why wouldn't it be?) then is it possible that the exisiting caps are a
>bad
>>replacement and a better replacement would get PV to where it should be ?
>>What else could be sucking PV down?
>>
>>Note also that I don't think it's the metering resistors - output
>calibrates
>>well on an outboard wattmeter. 
>>  
>>
>That tells you that the meter movement combined with the power 
>monitoring circuit is reading right - it doesn't necessarily tell you 
>that the meter itself is ok, or that the HV resistors are correct. Does 
>the output power stack up with the dc input power you calculate from the 
>HV reading?
>
>Steve
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