330881-28-07-155-03-02 Bently Nevada PROXPAC XL Housing with 8mm Probe

Product Overview

The Bently Nevada 330881-28-07-155-03-02 system combines a 3300 XL 8 mm proximity probe with a durable PROXPAC XL protective housing. Consequently, this configuration shields sensitive internal components from environmental contaminants while maintaining high-accuracy measurement. Plant operators utilize this equipment to execute predictive maintenance strategies on critical machinery assets like turbines, compressors, and large pumps.

The integrated mechanical design simplifies complex installation procedures on machine casings. Because the system utilizes an eddy current measurement principle, it tracks dynamic shaft behavior without physical contact. This setup effectively minimizes wear and extends the service life of your diagnostic hardware. Furthermore, the global agency approvals ensure safe deployment within classified hazardous areas.

Technical Characteristics and Options

The specific alphanumeric configuration defines the exact physical parameters and installation hardware included with this asset protection loop component.

• Integrated Sensor Component: Features a high-performance 3300 XL 8 mm proximity probe mechanism.
• Standoff Adapter Option (-28): Includes a 70 mm standoff adapter to clear external machine obstructions.
• Probe Penetration Option (-07): Provides a precise 155 mm probe penetration depth into the machine casing.
• Fitting Option (-155): Contains a standard fitting kit featuring one M20 entry and two sealing plugs.
• Mounting Thread Option (-03): Utilizes a 3/4-14 NPT mounting thread connection for rigid mechanical coupling.
• Agency Approval Option (-02): Holds multiple international hazardous area certifications for explosive environments.

Technical Specifications

The table below details the physical and operational parameters for this specific part number configuration.

Target Applications

Industrial facilities install this assembly across a variety of machinery protection roles.

• Radial Vibration Monitoring: Tracking dynamic shaft orbital movement within fluid-film bearings.
• Axial Position Sensing: Measuring thrust bearing wear and rotor displacement trends over time.
• Eccentricity Measurements: Determining shaft bow or thermal warping prior to machine startup sequences.
• Speed and Phase Reference: Providing keyphasor inputs for diagnostic analysis instruments.