NMR Probe Portfolio Learn More About QOneTec’s Probe Portfolio 400 X,F / H,F 5 mm An NMR probe designed for highest versatility. Read more… 400 X,F / H 5 mm Measurement of X nuclei including 19F with 1H decoupling and vice versa. Read more… 400 X / H,F 5 mm Highest SNR for 13C, 19F and 1H NMR experiments. Read more… 600 X[P-D]/H 20 mm Custom probe for 20 mm NMR sample tubes. Read more… 400 T/H/X,F 5 mm Custom probe for best 3H and 1H performance. Read more…