An original 4 drain can be as high as 35 ua.
John
----------------------------------------------------------------
Camtech / Olympus Service since 1977
21 South La., Huntington NY 11743-4714
516-424-2121
http://www.zuiko.com
--------------------------------------------------------------
----- Original Message -----
From: Chip Stratton <cstrat@xxxxxxxxx>
To: <olympus@xxxxxxxxxxxxxxx>
Sent: Saturday, July 31, 1999 12:06 PM
Subject: RE: [OM] How I shut down OM4Ti and OM3 ?
> I have two OM-4 and one OM-4t.
>
> One OM-4 when 'off' averages a 20 uA drain, the second OM-4 is 15 uA, and
my
> OM-4t averages 12 uA (these figures may be off a couple uA on the high
> side).
>
> The first one drains more than you would like, but is well less than the
> worst examples out there.
>
> The silver cells have about a 125 milliamp-hour capacity. Therefore, the
20
> uA drain would use about half of the battery in a bit over 4 months of
> sitting idle, while the 4t would use the same amount in a little over 7
> months.
>
> I don't know how much remaining capacity the battery needs to perform high
> current chores like actually making an exposure - I suspect the battery
can
> be down well below half its capacity and the camera will still perform
> normally - but these figures should be helpful.
>
> BTW, I measure about a 300 uA draw when actually metering - which isn't
much
> really when you consider how little time the meter is actually on. You
would
> have to have the meter on continuously for over a week to draw the battery
> down to half capacity.
>
> Chip Stratton
> cstrat@xxxxxxxxx
>
> > The small amount of current necessary to keep alive the circuitry which
> > detects when you touch the shutter release to turn on the meter. In an
> > OM-4T it's around 10uA, or less; not much, but enough to drain the
> > batteries in a few months.
>
>
> < 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 >
|