Dear AMMRL;
All of these probes have varied problems listed in order of priority:
1. 500 H[C,X] ID/PFG ==> X channel seems intermittent
2. 500 H[C,X] ID/PFG ==> Will not tune to any nuclei
3. 500 AutoX DB PFG ==> High band match has no effect
4. 500 SW/PFG ==> (50- 202MHz) ==> X channel intermittent
5. 500 SW/PFG ==> Bad X channel
6. 500 TTR/PFG ==> (H-F(C13, N15-P31) ==> Bad lock channel
Please recommend service centers or personnel with the ability to repair 1
or more of these probes.
Thanks,
[1521037348428_PastedImage]
Robert Harker
Engineer II
University of Florida
Dept. of Chemistry
Center for NMR Spectroscopy
126 Sisler Hall - shipping MS82
or UF Box 117200
Gainesville, Florida 32611-7200
352-328-5862 cell till 9 PM
352-392-4650 Labs
https://nmr.chem.ufl.edu/
rharker_at_ufl.edu<mailto:rharker_at_ufl.edu>
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Received on Wed Oct 07 2026 - 07:38:09 MST