Bently Nevada 330881-16-10-110-06-02 PROXPAC XL Proximity Transducer

Description

Designed for robust physical protection of critical machinery monitoring sensors, the Bently Nevada 330881-16-10-110-06-02 integrates a high-precision proximity probe and a heavy-duty housing into a single field-ready assembly. This PROXPAC XL Proximity Transducer is engineered to deliver highly accurate shaft vibration and position measurements on rotating machinery operating in demanding industrial environments. Serving as an authorized mechanical replacement, this module directly replaces legacy 330881-28-05-070-00-02 units, providing direct physical and functional compatibility without requiring structural modifications to existing mounts.

The transducer incorporates a 3300 XL 8 mm probe configured without hazardous area approvals, optimal for standard plant environments. Mechanically, the assembly features a 100 mm standoff adapter and a 110 mm probe penetration depth, allowing precise positioning relative to the observed shaft target. Heavy-duty 3/4-14 NPT threads secure the housing assembly, while the included stainless steel reducer and sealing plugs ensure maximum protection against oil, water, and particulate ingress.

Features

• Integrated Design: Combines the 3300 XL 8 mm proximity probe and transducer housing to protect sensitive coaxial connections and probe components.
• Precise Dimensions: Built with a 100 mm standoff adapter (B dimension) and a 110 mm probe penetration (C dimension) for reliable mechanical clearance and targeting.
• Enhanced Environmental Sealing: Features a robust fitting package including a stainless steel NPT reducer and plug set to prevent contaminants from reaching internal electronics.
• Simplified Legacy Integration: Serves as a direct functional replacement path for older 330881 configurations, reducing retrofitting and downtime costs.

Applications

• Steam, gas, and hydro turbine shaft vibration monitoring.
• Centrifugal and axial compressor radial and axial displacement measurements.
• Heavy-duty industrial gearbox shaft alignment and thrust position tracking.
• High-speed industrial pump and fan vibration analysis in non-hazardous areas.

Technical Specifications

Connections and Interfaces

Installation Guidelines

• Mechanical Thread Alignment: Ensure that the 3/4-14 NPT mounting thread is straight and free of debris. Apply an industry-compliant, non-hardening thread sealant to guarantee an oil-tight seal.
• Probe Gap Calibration: Adjust the penetration depth carefully before locking the standoff adapter. Verify target distance using a digital voltmeter measuring the probe's DC bias output voltage.
• Housing Ingress Prevention: Seal all unused conduit entries using the provided NPT plugs. Tighten the stainless steel reducer to prevent industrial liquids or steam from penetrating the internal housing cavity.
• Coaxial Cable Routing: Maintain the manufacturer's recommended minimum bend radius for the internal coaxial cable to avoid structural damage or signal attenuation.