[Boatanchors] Testing amperite time delay relays

Carl km1h at jeremy.mv.com
Sun Feb 22 16:38:45 EST 2009


Check the filament first with an Ohmeter, they are the usual weak link.

Carl
KM1H


----- Original Message ----- 
From: "john" <johnmb at nc.rr.com>
To: <Boatanchors at mailman.qth.net>; <glowbugs at piobaire.mines.uidaho.edu>
Sent: Sunday, February 22, 2009 3:22 PM
Subject: [Boatanchors] Testing amperite time delay relays


> What's the drill for testing these? Is it as simple as applying rated
> voltage across the resistive pins and waiting?
>
> I'm debugging a TRI-X 500 transmitter and there's a TDR to allow the
> filaments to heat before plate voltage is applied, but there's no go.
>
> 73
> John K5MO
>
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