Product Overview

The Bently Nevada 330103-10-12-05-11-05 is a specialized 8mm proximity probe engineered for high-precision displacement and vibration monitoring on critical industrial machinery. As part of the 3300 XL series, this transducer utilizes eddy current technology to provide non-contacting measurements between the probe tip and a rotating shaft. This specific model features an extended case design with M10 x 1 metric threading, providing a 100mm unthreaded section to facilitate mounting in deep or complex bearing housings. Built for extreme reliability, the probe is a primary input for Turbine Supervisory Instrumentation (TSI), delivering real-time data essential for asset protection and predictive maintenance strategies.

Electromechanical Architecture and Design Standards

• Sensing Head: 8mm diameter with patented TipLoc molding for maximum tip-to-body bond strength

• Mounting Interface: M10 x 1 Metric Threads

• Physical Lengths: 100 mm unthreaded portion with a 120 mm total case length

• Integrated Lead: 0.5-meter cable featuring FluidLoc technology to prevent oil migration

• Structural Durability: CableLoc design provides 330 N (75 lbf) of cable pull resistance

• Signal Connection: Gold-plated ClickLoc coaxial connector (finger-tight, tool-free installation)

• System Integrity: Fully compliant with API 670 standards for linear range and thermal stability

• Explosive Atmosphere Ratings: Certified for CSA, ATEX, and IECEx hazardous environments

• Calibration: Factory standardized for AISI 4140 steel targets

Machinery Protection and Industrial Utility

This 8mm proximity probe is an essential component for monitoring the health of high-speed rotating assets such as steam turbines, gas compressors, and large-scale industrial motors. Its deep-reach 120mm case makes it an ideal choice for European-spec equipment where sensors must be mounted through thick machine casings. Within the monitoring system, the 330103-10-12-05-11-05 tracks radial vibration to identify rotor unbalance and monitors axial thrust position to prevent internal mechanical collisions. Furthermore, it serves as a reliable Keyphasor sensor for phase analysis and RPM tracking. By providing deterministic voltage signals to Bently Nevada 3500 series racks, this probe enables automated safety shutdowns and ensures the continuous operation of critical power and petrochemical infrastructure.