Olympus-OM
[Top] [All Lists]

Re: [OM] mercury battery adapter

Subject: Re: [OM] mercury battery adapter
From: John Hermanson <omtech@xxxxxxxxx>
Date: Wed, 12 Aug 1998 16:18:00 -0400
A  NTE109 diode is installed between meter circuit and galvanometer.  No
resistors are changed or added.

John

Frank van Lindert wrote:

> On Tue, 11 Aug 1998 14:45:35 -0500, Greg Heier
> <gheier@xxxxxxxxxxxxxxxxx> wrote:
>
> >Anyone know what exactly these two solutions consist of? They have to be
> >pretty simple and inexpensive to do yourself. This would be nice info to
> >have in the FAQ.
> >Greg
>
> AFAIK the MR-9 is nothing but a holder for the slightly smaller silver
> cells and a Schottky diode in series with the cell.
>
> The internal modification will probably be a change of resistor(s) and
> a recalibration of the meter, I suppose.
> Maybe John will lift a tip of the veil here... perhaps he just puts a
> Schottky diode in series with the battery too. But he also modifies
> the battery chamber to have the right size for the silver cell.
>
> Frank.
>
> >
> >-----Original Message-----
> >From: owner-olympus@xxxxxxxxxxxxxxx
> >[mailto:owner-olympus@xxxxxxxxxxxxxxx]On Behalf Of Pauls0627@xxxxxxx
> >Sent: Tuesday, August 11, 1998 12:48 PM
> >To: olympus@xxxxxxxxxxxxxxx
> >Subject: Re: [OM] mercury battery adapter
> >
> >
> >There is a gadget called an MR-9, but I understand they are hard to get.
> >John
> >H. (Camtech) makes an internal modification to the OM-1 which allows you
> >to
> >use silver oxide batteries (357 or SR44) directly. This, I think, is the
> >better solution. Take a peek at www.zuiko.com for more info.
> >
> >Paul
> >
> >< This message was delivered via the Olympus Mailing List >
> >< For questions, mailto:owner-olympus@xxxxxxxxxxxxxxx >
> >< Web Page: http://Zuiko.sls.bc.ca/swright/olympuslist.html >
> >
> >< This message was delivered via the Olympus Mailing List >
> >< For questions, mailto:owner-olympus@xxxxxxxxxxxxxxx >
> >< Web Page: http://Zuiko.sls.bc.ca/swright/olympuslist.html >
>
> < This message was delivered via the Olympus Mailing List >
> < For questions, mailto:owner-olympus@xxxxxxxxxxxxxxx >
> < Web Page: http://Zuiko.sls.bc.ca/swright/olympuslist.html >




< This message was delivered via the Olympus Mailing List >
< For questions, mailto:owner-olympus@xxxxxxxxxxxxxxx >
< Web Page: http://Zuiko.sls.bc.ca/swright/olympuslist.html >


<Prev in Thread] Current Thread [Next in Thread>
Sponsored by Tako
Impressum | Datenschutz