The Bruker Avance III 600 MHz system has three RF channels. It is used for extended variable temperature and hetero-nuclear NMR experiments besides regular proton and carbon ones.
BBI Probe w/ Z-Gradient (or BBO)
Sensitivity: 1H=1000, 13C=150
VT range: -100° to +150°
Reservation: 1 hour to 48 hours per week
Other Features: autotune, PFG at 55G/cm