Varian/Agilent DD 600

Small volume ( 160uL) triple resonance cold probe excellent for natural products, and also biomolecules.
3mm H{CN} coldprobe gives ~2 fold  proton mass sensitivity increase; cooled carbon preamp for 13C detection.

Proton S/N: EtBz 2500. Sucrose 470
Carbon S/N: 320

Cost:   Academic $10 prime/$5 off-prime per hour.   Commercial $30/hr