Product Overview

The 330902-00-10-10-01-00 is a high-precision Narrow Side View (NSv) eddy current proximity sensor engineered for non-contacting displacement measurements in confined industrial environments. Unlike standard 8 mm probes, the 3300 NSv series is specifically designed for machinery where spatial constraints—such as small shaft diameters or tight counterbore clearances—preclude the use of larger sensors. This probe converts the physical gap between its tip and a conductive target into a linear voltage signal, providing essential data for radial vibration, axial thrust position, and Keyphasor phase reference monitoring. This model features a 1.0-inch case length and a 1.0-meter integrated cable protected by stainless steel armor.

Technical Configuration

The model number 330902-00-10-10-01-00 corresponds to the following mechanical and electrical profile:

• Model Series: 330902 (1/4-28 UNF thread with Stainless Steel Armor)

• Unthreaded Length: 0.0 inches (Fully threaded housing)

• Overall Case Length: 1.0 inch

• Total System Length: 1.0 Meter (approx. 3.3 feet)

• Connector Type: Miniature coaxial ClickLoc connector (01 option)

• Agency Approvals: Standard approvals (00 option)

• Linear Range: 1.5 mm (60 mils)

• Scale Factor: 7.87 V/mm (200 mV/mil) when paired with 3300 NSv Proximitor

Specialized Engineering and Robustness

The 3300 NSv series incorporates advanced manufacturing technologies to ensure high-fidelity signal acquisition in restricted spaces:

• Restricted Clearance Optimization: The probe tip is uniquely shielded to ignore surrounding conductive material. This allows for accurate measurements on shafts as small as 51 mm (2 inches) or inside small counterbores where standard probes would suffer from side-view interference.

• Stainless Steel Armor: The coaxial lead is encased in a flexible 304 stainless steel armor sleeve, shielding the internal FEP insulation from mechanical abrasion, crushing, and exposure to corrosive industrial fluids.

• TipLoc Molding: A patented chemical bonding process creates a vacuum-tight seal between the PPS (polyphenylene sulfide) tip and the probe body, preventing the wicking of oil or moisture into the sensing coil.

• CableLoc Design: This internal anchoring system provides 220 N (50 lb) of pull strength, ensuring the cable remains securely attached to the probe body even under high-vibration conditions.

Industrial Applications and System Integration

As a primary component of Turbine Supervisory Instrumentation (TSI), the 330902-00-10-10-01-00 is optimized for:

• Small-Bore Assets: Ideal for centrifugal air compressors, refrigeration compressors, and small process gas compressors.

• Interchangeability: All components of the 3300 NSv system of the same length are fully interchangeable. Probes, extension cables, and Proximitor sensors can be swapped without manual bench calibration.

• EMI/RFI Immunity: Engineered to exceed CE mark standards for electromagnetic compatibility, providing stable measurements in high-noise industrial environments.

• Asset Protection: Supports predictive maintenance programs by detecting early signs of rotor imbalance, bearing wear, or thermal growth in high-speed rotating equipment.