[Hammarlund] Another tidbit of info.

[RJ Mattson]

I have an EICO cap tester. When the dial reads 600v, it is really about 
400v.
It's a bummer when you have to regress and repair test equipment :-(
Some day....
bob...w2ami
http://www.qrz.com/callsign/w2ami

----- Original Message ----- 
From: "GBrown" <gkbrown at gwi.net>
To: <hammarlund at mailman.qth.net>
Sent: Monday, May 30, 2005 7:17 AM
Subject: [Hammarlund] Another tidbit of info.


>I have been restoring a SP-600-JX/1. The restoration is complete but 
>thought
> some of you folks would like to know this.
> I used a Heathkit IM-11 to test my capacitors. Well, just for giggles, I
> measured the voltage for the leakage test. These voltages were waaaaaaay
> down. This was causing some of the mica caps I was testing to test "GOOD"
> but in fact, were "BAD" (leaky).
> CURE:
>    These is a 22K resistor on the voltage switch, easy to get to, which
> went to 45K. I replaced the resistor and now have the rite voltages as per
> the switch selection.
>    This may also hold true with other cap. testers from Heathkit, from 
> this
> era.
>    Because the voltage was low during cap testing, I was assuming the cap
> was good. Would of saved me allot of time if I had checked my test 
> equipment
> first.
> Regards,
> Gary...WZ1M
>
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