Bently Nevada 330101-30-63-15-02-CN 3300 XL 8 mm Probe, 3/8-24 UNF Thread

Product Overview

The 330101-30-63-15-02-CN is a 3300 XL 8 mm probe with a 3/8-24 UNF thread, without armor. Manufactured by Bently Nevada in the USA, this probe is designed for non-contact vibration and position measurement of rotating shafts. Its robust construction includes a patented TipLoc molding method for a stronger bond between the probe tip and body, and a CableLoc design providing 330 N (75 lbf) pull strength. The 8 mm probe body offers thicker encapsulation of the coil in molded PPS plastic, resulting in a more rugged probe compared to smaller diameters.

Technical Specifications Breakdown

Key parameters for the 330101-30-63-15-02-CN are listed below for quick reference:

Industry Applications

In a typical power generation plant, the 330101-30-63-15-02-CN monitors shaft vibration and position, enabling early detection of imbalance or misalignment. Its robust design reduces the risk of probe damage during installation or operation, minimizing costly downtime. The 8 mm probe body provides enhanced resistance to physical abuse, making it suitable for harsh industrial environments where smaller probes might fail.

Installation & Setup Guidance

When installing the 3300 XL 8 mm probe, ensure proper thread engagement. The probe case thread is 3/8-24 UNF with a maximum thread engagement length of 0.563 inches. For standard forward mounted probes, the recommended torque is 11.2 N•m (100 in•lbf) for the case, and 7.5 N•m (66 in•lbf) for the first three threads. The recommended gap setting for radial vibration is -9 Vdc, approximately 1.27 mm (50 mils). Field wiring should use 3 conductor shielded triad cable with tinned wiring, 0.2 to 1.5 mm² (16 to 24 AWG). Maximum field wiring length between the Proximitor Sensor and monitor is 305 meters (1,000 feet).

Maintenance & Reliability

Periodic inspection of the probe and cable is recommended to ensure reliable operation. The probe is designed to seal differential pressure between the tip and case using a Viton O-ring. Avoid exposing the probe to temperatures below -34°C (-30°F) as this may cause premature failure of the pressure seal. The probe operates reliably in up to 93% humidity with less than a 3% change in Average Scale Factor over 56 days per IEC 68-2-3.

The Evolution of Precision Vibration Monitoring

Industrial machinery protection has evolved significantly over the decades. Early vibration sensors were often bulky and prone to failure in harsh environments. The Bently Nevada 330101-30-63-15-02-CN represents a modern solution, integrating advanced materials and design to deliver reliable, accurate rotor vibration data. This 3300 XL 8 mm probe is engineered for demanding applications where uptime and safety are critical.

Selection Guide & Purchasing Advice

When selecting a replacement or new probe, verify the part number 330101-30-63-15-02-CN matches your system requirements. This model includes a 1.5 meter cable and miniature coaxial ClickLoc connector. For ordering assistance and to confirm current lifecycle status, contact AutoDCSTech. We stock genuine Bently Nevada components to support your maintenance needs.

Please verify current lifecycle status and availability with AutoDCSTech before ordering.