[volt-nuts] Fwd: Solartron 7150plus - Chasing AC gremlins

[Rob Klein]

As per Philip's original post, _all_ AC ranges drop gradually. This is 
really not consistent with a faulty
EAROM.

Rob.

Op 7-12-2012 13:19, Wim de Jong schreef:
> Dave,
>
> Thats the question. It depends on the quality of the cells where the 
> AC calibration info is stored.
> I'm not aware of a checksum function on these EAROM's.
>
> If it is the AC part, I've some spare parts if necessary... Just let 
> me know.
>
> Kind regards, Wim.
>
> Wim de Jong
> wim.de.jong.59 at solcon.nl
>
> Op 7-12-2012 10:25, David C. Partridge schreef:
>> Wim
>>
>> I don't think that is likely, as Phil clearly says that all the DC 
>> ranges are correct,  it is just the AC ranges that are a problem.  If 
>> the EAROMs were bad, you'd lose all the calibration constants.
>>
>> Dave
>> -----Original Message-----
>> From: volt-nuts-bounces at febo.com [mailto:volt-nuts-bounces at febo.com] 
>> On Behalf Of Wim de Jong
>> Sent: 07 December 2012 08:04
>> To: volt-nuts at febo.com
>> Subject: [volt-nuts] Fwd: Solartron 7150plus - Chasing AC gremlins
>>
>> Phil,
>> I suspect it to be the EAROM(s) IC 105/6 of this meter. Losing its 
>> calibration constants.
>> Regards, Wim.
>>
>> Wim de Jong
>> wim.de.jong.59 at solcon.nl
>>
>>
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