Bently Nevada PROXPAC XL: Complete Proximity Transducer System

The Bently Nevada 330881-28-00-165-07-02 is a factory-assembled PROXPAC XL proximity transducer system. It combines a high-performance 3300 XL 8mm probe, a robust IP66-rated housing, and all necessary mounting hardware into one ready-to-install package. Designed for demanding industrial environments, this complete system simplifies installation, provides superior environmental protection, and ensures reliable vibration and position monitoring for your critical machinery.

Complete Model Number Breakdown

• Base Model: 330881 (PROXPAC XL Proximity Transducer System)
• Probe & Approvals (28): 3300 XL 8mm Probe with Multiple Approvals
• Standoff Adapter (00): No Standoff Adapter (Direct Mount)
• Probe Penetration (165): 165 mm Probe Extension into Housing
• Fittings Kit (07): One PG21 x M20 Fitting, Two Plugs
• Mounting Thread (02): 3/4-14 NPT

Core System Specifications

• Integrated Probe: 3300 XL Series, 8mm Diameter
• Probe Cable: 1-meter, 75 Ω Triaxial, FEP Insulated
• Housing Rating: IP66 (Dust-tight, Protected against powerful water jets)
• Linear Range: 2.0 mm (80 mils), -1 to -17 Vdc output
• Scale Factor: 7.87 V/mm (200 mV/mil) ±5%
• Frequency Response: 0 to 10 kHz (+0, -3 dB)
• Minimum Target: 15.2 mm (0.6 in) diameter flat target
• Power Supply: -17.5 Vdc to -26 Vdc
• Operating Temp (Probe): -51°C to +177°C (-60°F to +350°F)
• Housing Material: Conductive, UV-Resistant PPS Thermoplastic
• Internal Hardware: AISI 304/303 Stainless Steel
• System Weight: 1.44 kg (3.2 lb) typical

Key Features & Benefits

• Complete, Ready-to-Install Kit: Saves time and ensures correct assembly with all components pre-configured.
• Superior Environmental Protection: IP66 housing with conductive PPS material shields the probe from water, dust, and electrostatic discharge.
• Robust Mechanical Design: Certified impact resistance and a structure that supports over 200 lbs of force.
• Vibration Isolation: Integrated extra-soft cellular silicone isolator protects the probe from case vibration.
• Hazardous Area Compatible: System designed for use in classified areas when installed with appropriate barriers.

Installation & Compatibility

This PROXPAC system is designed for direct mounting via its 3/4-14 NPT thread. The 165mm probe penetration allows for adjustment within the housing to set the correct gap. It connects directly to Bently Nevada 3300 XL Proximitor sensors. Use the provided PG21xM20 fitting for cable entry. Field wiring should be 3-conductor shielded triax cable, with a maximum run of 305 meters to the monitor.

Certifications & Protection Ratings

• Environmental: IP66 Rating (Verified by BASEEFA)
• Impact Tested: Certified by BASEEFA and CSA for high-energy impacts.
• Hazardous Area: Suitable for various Temperature Classifications (T1-T5) with proper installation.

Ordering & Service Information

This complete system is covered by a 12-month warranty. We ensure prompt global delivery via FedEx, UPS, and DHL.

Professional FAQs

What is the main advantage of a PROXPAC system vs. separate components?

It ensures a perfectly matched, pre-assembled system with guaranteed compatibility. It eliminates sourcing errors and reduces field assembly time.

What does the "165" probe penetration dimension mean?

It means the probe tip can extend up to 165mm beyond the internal mounting point. This allows you to adjust the probe's reach inside the housing to achieve the correct gap to your target.

Does this system include the proximitor electronics?

No. The PROXPAC contains the probe and protective housing. The 3300 XL Proximitor Sensor (the electronics that power the probe and condition its signal) is a separate component.

Can the probe inside the housing be replaced or serviced?

Yes. The housing is designed for serviceability. The probe is mounted via a locking nut inside the sleeve, allowing for removal and replacement if necessary.

What is the purpose of the conductive PPS housing material?

It safely dissipates electrostatic charge, preventing spark hazards. This is a critical requirement for installing equipment in or near potentially explosive atmospheres.

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