Dan:
I tried reversing the current just now and it didn't help. Speaking
of current (200ma @ 12vdc) seems a bit much for a small relay. I don't know
if a vacuum relay gets the same sealing effect as an open frame relay?
On the other offer (Bob) of two relays, I'm not sure I have room. This
is a medical amp and not much room in RF compartment. Heck, if we don't
start seeing some sunspots, I may not need a 6m amp. I'll get out my winter
clothing for the next Ice Age?
Dennis, w8nw
----- Original Message -----
From: "Dan Hearn" <dhearn@air-pipe.com>
To: "Dennis A. Homerick" <DHomerick@neo.rr.com>; "Amps"
<amps@contesting.com>
Sent: Saturday, June 21, 2008 12:30 PM
Subject: RE: {SPAM} [Amps] Kilovac H-18
>I have had a similar problem with the vac relay in my 77DX. I cured it by
> reversing the coil leads. Supposedly the core in the relay becomes
> permanently magnetized from the DC . This happened to me only once but I
> installed a reversing switch on the rear chassis just in case it happens
> again.
> 73, Dan, N5AR
>
> -----Original Message-----
> From: amps-bounces@contesting.com [mailto:amps-bounces@contesting.com]On
> Behalf Of Dennis A. Homerick
> Sent: Saturday, June 21, 2008 8:51 AM
> To: Amps
> Subject: {SPAM} [Amps] Kilovac H-18
>
> Hello:
> I have a Kilovac H-18/12VDC DPDT vacuum relay. I've been planning to
> use
> in a pair 3-500Z 6m amp. Was testing the relay only too find out that it
> doesn't make contact with NO contacts. Relay sounds like it is switching,
> but doesn't show continuity. Any ideas, bad coil, etc.
>
> Dennis, w8nw
> _______________________________________________
> Amps mailing list
> Amps@contesting.com
> http://lists.contesting.com/mailman/listinfo/amps
>
>
_______________________________________________
Amps mailing list
Amps@contesting.com
http://lists.contesting.com/mailman/listinfo/amps
|