330102-00-40-50-02-00 Bently Nevada PROXIMITY PROBES Description T he part number corresponds to a probe in the 3300 XL 8 mm Proximity Transducer System, specifically the “330102” series which is defined as: 8 mm probe, thread size 3/8-24 UNF, with armour (i.e., armored cable or armored probe assembly).The probe is used for non‐contact measurement of shaft vibration and position (eddy‐current principle) and is part of a system (probe + extension cable + Proximitor sensor)