[volt-nuts] Datron 1082

[Tom Knox]

Randy I would say from my experience with Datron there is about 90% chance the battery and recal will solve the problem. I would modify the battery with a coupe sets of leads that are long enough so you can install a new while the old battery is still in circuit.
Best Wishes;
Thomas Knox



> Date: Mon, 21 Apr 2014 19:23:35 -0700
> From: randyevans2688 at gmail.com
> To: volt-nuts at febo.com
> Subject: Re: [volt-nuts] Datron 1082
> 
> I believe the voltages are correct but I have no schematics or
> troubleshooting instructions to confirm.  I do see what looks like a
> battery in the memory section of the 1082 and it measures 0.08 VDC. Not a
> good sign.  I am really hoping someone has a Datron 1082 Service manual
> with schematics that they can steer me to, preferably a soft copy so I can
> better troubleshoot the unit.  It might just need a new battery (plus a
> re-cal) to get it going again but I hate going blind.
> 
> Randy
> 
> 
> On Mon, Apr 21, 2014 at 8:15 AM, Tom Knox <actast at hotmail.com> wrote:
> 
> > As with many products of this age the tantalum caps are a common point of
> > failure in the 1082.
> > Although this current problem sounds like a memory battery.
> >
> > Thomas Knox
> >
> >
> >
> > > Date: Mon, 21 Apr 2014 11:03:56 -0400
> > > From: cfharris at erols.com
> > > To: volt-nuts at febo.com
> > > Subject: Re: [volt-nuts] Datron 1082
> > >
> > > Just in case you haven't yet: Always start any investigation with
> > > checking the power supply for voltage and ripple.  Test the main
> > > electrolytic capacitors for capacitance, and ESR.
> > >
> > > Nothing in the unit's self testing ability can be trusted if the
> > > power supply is putting out large amounts of ripple, or is at the
> > > wrong voltage.
> > >
> > > -Chuck Harris
> > >
> > > Randy Evans wrote:
> > > > I have a Datron 1082 DMM that just recently stopped working.  When I
> > power
> > > > up, it gives a "FAIL" message on the front panel.  I found a flowchart
> > in
> > > > an abbreviated servicing manual that indicates it's from a failure of
> > the
> > > > "Check for uncorrupted calibration store".  I Assume this likely means
> > the
> > > > cal tables are corrupted?  Unfortunately, I don't have sufficient
> > > > information (e.g., schematics) to do any further troubleshooting.  Can
> > > > anyone help with a complete servicing manual and/or further diagnostic
> > help?
> > > >
> > > >
> > > > I did download the Datron 1071DMM  O&S manual from K04BB but I don't
> > know
> > > > how similar it is to the 1082.  Can anyone comment on what the
> > differences
> > > > are?
> > > >
> > > >
> > > >
> > > > Thanks,
> > > >
> > > >
> > > >
> > > > Randy Evans
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