Paul,
In all likelihood you have hit on the problem. The OM1 uses the PX625
mercury cell at 1.35v . When the improper cell is used (ie a PX625A
(alkaline at ~1.5-1.55v) the reading on the meter is around 2 1/2 stops
off. Other replies will most likely follow with more detail. The meat
of the matter is you have the wrong cell.
Others will most likely offer sources and alternatives for the proper
battery.
Rand E.
~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
Reynolds Paul wrote:
>
> Having read recent threads about OM1's and meter readings, its rather ironic
> that I seem to have the same problem myself, in so far as my OM1 seems to be
> under reading by at least two stops.
>
> The battery is a PX625A, Alkaline Cell, made in China, inserted by the
> previous owner. Clutching at straws, could this be the problem? If it isn't,
> any other suggestions?
>
> Paul Reynolds
> E Mail Address: preynolds@xxxxxxxxxxxxxxxx
>
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