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Stable Isotope Geochemistry

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Subject:
Rising temperature on EA
From:
Sergei Verenitch <[log in to unmask]>
Reply To:
Stable Isotope Geochemistry <[log in to unmask]>
Date:
Sat, 24 Oct 2009 16:08:47 -0700
Content-Type:
multipart/alternative
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text/plain (444 bytes) , text/html (646 bytes) 
Need help here. I have rising temperature on the left combustion furnace of
Costech EA. It is set at 1020 C but it goes beyond the limit which is 1100C
and causes alarm to go on and block everything. All other temperatures are
under control, the right furnace and GC column compartment. I replaced the
thermocouple, checked and made sure that main power is stable 220-221 V. It
still keeps rising beyond the limit, 1100C.
Any suggestions.
Thanks.
Sergei

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