Bently Nevada · 3300 XL 8 mm Bently Nevada 330102-04-25-10-02-00 3300 XL 8 mm Armored Proximity Probe A standard-mount proximity probe for non-contact machinery monitoring within the 3300 XL 8 mm Proximity Transducer System. Measurement Non-contact shaft measurement Probe Format Standard-mount proximity probe Monitoring Vibration and position measurement Configuration Ordering Code 330102 3300 XL 8 mm probe with 3/8-24 UNF thread and armor 04 0.4 in unthreaded length 25 2.5