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October 2017

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JEOL-Focused Probe Users List <[log in to unmask]>
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Sun, 1 Oct 2017 15:15:11 +0000
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Andrea Orlando <[log in to unmask]>
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I
Dear Joe,
Yes we switched the boxes and we stated that Two of Thema diesel bit 
workshop anymore.
Thanks.
Andrea
A
l 2017-09-30 02:37 Joe Geller ha scritto:
> Andrea. We have some Noran PCS boxes but have no way is testing them.
> Did you switch the boxes to different working spectrometers to see if
> they work properly?
> 
> Regards
> 
> Joe Geller. Gellermicro.com
> 
>> On September 29, 2017 at 4:10 AM Andrea Orlando wrote:
>> 
>> Dear all,
>> our microprobe Jeol JXA-8600 has 4 preamplifiers
>> (Noran-TracorNorthern Proportional counting System) and SamX control
>> software. Two of preamplifiers have problems; in particular, counts
>> on the background rised of one or two orders of magnitudes and at
>> the same time the counts on peaks falled down. We performed several
>> tests during these weeks and we confirmed that the problem should be
>> in the preamplifier electronics. In the past, sometimes we had
>> similar, sporadic and ephemeral problems, happening without an
>> evident reason, but they solved suddenly. So, do you know if it is
>> possible to find new pre-amplifiers in the market or get them
>> repaired somewhere? Thank you very much for your suggestions.
>> Andrea
>> 
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