Bently Nevada PROXPAC XL Transducer: Ready-to-Install Sensor Assembly

This is the Bently Nevada 330881-16-04-132-03-02, a PROXPAC XL integrated proximity transducer. It combines a robust housing, an 8mm probe, and all necessary fittings into one complete unit. The 330881-16-04-132-03-02 is designed for quick and reliable installation in demanding environments, providing a direct solution for vibration and position monitoring.

Complete Assembly Model Breakdown

The part number 330881-16-04-132-03-02 details every component of this factory-built assembly:

• 330881: Base model for the PROXPAC XL integrated transducer system.
• 16: Probe & Approval: Contains a 3300 XL 8 mm probe (no special agency approvals).
• 04: Standoff Adapter (B Dimension): 40 mm extension.
• 132: Probe Penetration (C Dimension): Probe tip extends 132 mm into the machine.
• 03: Fittings Kit: Includes one M20 fitting and two plugs.
• 02: Mounting Thread: Assembly has a 3/4-14 NPT thread.

Technical Specifications for Industrial Reliability

• Product Family: Bently Nevada PROXPAC XL.
• Full Part Number: 330881-16-04-132-03-02.
• Key Feature: Fully assembled transducer with housing and probe.
• Integrated Probe: 3300 XL 8mm, 1-meter cable.
• Environmental Rating: IP66 (dust-tight, protected against powerful water jets).
• Measurement Range: 2.0 mm (80 mils) linear range.
• Output Signal: -1 to -17 Vdc.
• Sensitivity (Scale Factor): 7.87 V/mm ±5% (200 mV/mil).
• Recommended Gap: Set to 1.27 mm (50 mils) for radial vibration.
• Frequency Response: 0 to 10 kHz.
• Power Supply: Requires -17.5 Vdc to -26 Vdc.
• Operating Temperature: -51°C to +177°C (Probe).
• Housing Material: UV-resistant, conductive PPS thermoplastic.
• Mechanical Strength: Withstands 4 Joule impacts and supports over 205 lbs of force.
• Installation Torque: Retaining nut: 29.5 N·m (260 in·lb).
• Total Weight: Approximately 1.44 kg (3.2 lb).

Installation and System Setup

This unit is ready for immediate installation. Mount it using the 3/4-14 NPT thread. The 40mm standoff and 132mm probe penetration are pre-set for correct positioning. Connect the integrated probe's cable directly to a 3300 XL Proximitor. No separate probe mounting or alignment is needed, saving significant installation time.

Environmental and Safety Ratings

The housing carries a BASEEFA-verified IP66 rating for excellent ingress protection. The conductive plastic housing is designed for safe use in areas where electrostatic discharge is a concern.

Package and Warranty Information

• One (1) Bently Nevada 330881-16-04-132-03-02 PROXPAC XL Transducer Assembly.
• Included fittings: One M20 fitting, two plugs.

This complete assembly is protected by a standard 12-month warranty.

Global Shipping Services

We deliver worldwide via FedEx, UPS, and DHL. Tracking details are provided upon shipment.

Frequently Asked Questions (FAQ)

What is the main benefit of a PROXPAC XL assembly?

It saves time and ensures correctness. The probe is pre-aligned and secured inside the housing at the factory. You install one complete unit instead of three separate parts (housing, adapter, probe).

What do the "B Dimension" and "C Dimension" mean?

The B Dimension (40mm) is the standoff length from the mounting surface. The C Dimension (132mm) is how far the probe tip sticks out beyond the housing sleeve. These are critical for proper probe placement.

Can I replace the probe inside the housing if it fails?

No. The PROXPAC XL is a sealed, non-serviceable unit. The probe and housing are assembled and tested as one piece. If the probe fails, the entire assembly must be replaced.

What type of cable connection does it use?

The integrated probe has a 1-meter cable terminating in a gold-plated ClickLoc connector. This connects directly to a Bently Nevada Proximitor or to an extension cable.

Is this assembly suitable for hazardous areas?

This specific model (-16) includes a probe without special agency approvals like ATEX or IECEx. For certified hazardous area use, you must select a PROXPAC model with a different probe/approval option code.

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