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[OM] Re: E-500 and trigger voltage

Subject: [OM] Re: E-500 and trigger voltage
From: Moose <olymoose@xxxxxxxxx>
Date: Fri, 28 Mar 2008 01:42:49 -0700
Chuck Norcutt wrote:
> What kind of readings are you getting?  If you're using a $5-10 
> voltmeter you may not be getting a terribly accurate reading but it 
> should certainly be close enough to tell you if it's dangerous or not.
>   
The thing is - it's either quite high or quite low. There's no 
in-between. Early units simply put the whole capacitor voltage across 
the switch in the camera. After the SCR* was invented, there was a 
simple, inexpensive way to trigger using a low voltage, and that became 
the standard.

So if a meter doesn't find a lot of volts, it's ok.

Moose

* They all say "Thyristor controlled", 'cause it sounds cooler

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