Product Overview

The 330101-00-28-90-02-00 is a high-precision eddy current proximity probe from the Bently Nevada 3300 XL series. Designed for non-contacting displacement measurement, this 8 mm sensor translates the physical gap between the probe tip and a conductive target into a proportional voltage signal. This specific 9.0-meter configuration is engineered for long-distance routing in large-scale industrial machinery. It is a critical component for Turbine Supervisory Instrumentation (TSI), facilitating the continuous monitoring of radial vibration, axial thrust, and shaft position to prevent catastrophic equipment failure in turbines, compressors, and high-speed pumps.

Technical Configuration

The model number 330101-00-28-90-02-00 defines a specific set of mechanical and electrical attributes:

• Model Identification: 330101 (3/8-24 UNF Thread, No Armor)

• Unthreaded Body Length: 0.0 inches (Fully threaded case)

• Overall Case Length: 2.8 inches (28 option)

• Total System Length: 9.0 Meters / 29.5 Feet (90 option)

• Connection Interface: Miniature coaxial ClickLoc connector (02 option)

• Agency Approval: Standard approvals (00 option)

• Calibration Target: Factory-set for AISI 4140 steel

• Linear Range: 2.0 mm (80 mils)

• Temperature Range: -51 °C to +177 °C (-60 °F to +351 °F)

Advanced Mechanical Construction

To withstand the rigors of heavy industrial environments, the 330101-00-28-90-02-00 incorporates patented manufacturing technologies that ensure high-integrity signal transmission:

• TipLoc Bonding: A proprietary molding process creates a molecular bond between the probe tip and the stainless steel body, preventing delamination and moisture ingress.

• CableLoc Design: An internal anchoring system provides up to 330 N (75 lbf) of pull-out strength, shielding the coaxial connection from mechanical strain.

• Encapsulated Sensing Coil: The coil is deeply embedded in high-performance PPS (Polyphenylene Sulfide) plastic, providing superior chemical resistance and physical protection against debris.

• Enhanced EMI/RFI Immunity: The probe meets European CE standards for electromagnetic interference, allowing for reliable data collection in high-frequency environments without specialized shielded conduit.

System Compatibility and Integration

The 3300 XL 8 mm ecosystem is designed for maximum flexibility and ease of maintenance:

• Interchangeability: Components are fully interchangeable without the need for manual bench calibration or matching specific probes to specific Proximitor sensors.

• Backward Compatibility: This probe is electrically and physically compatible with legacy non-XL 3300 series 5 mm and 8 mm systems.

• Flexible Mounting: The 3/8-24 UNF thread pattern fits standardized four-hole mounting bases, supporting high-density DIN-rail or panel-mount installations.

• Application Versatility: Suitable for fluid-film bearing machines, Keyphasor reference measurements, and tachometer/overspeed protection systems.