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TCD reference flow

http://www.chromforum.org/viewtopic.php?t=111384

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TCD reference flow

Posted: Tue Jun 08, 2021 12:06 pm
by makhyoun2
I have problem with Agilent GC 7890A TCD reference flow it’s reading with negative number . The setting point is 45 the actual reading is -3.4.
With the flow meter is acceptable.
Can someone help with this error.

Re: TCD reference flow

Posted: Wed Jun 23, 2021 1:41 am
by AICMM
I would look to calibrate the TCD EPC. there are on-line notes about how to do that. Would be the first place I would look

Best regards,

aicmm
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