Bently Nevada – 330880-28-20-045-01-02 – PROXPAC XL Proximity Transducer

Bently Nevada PROXPAC XL Proximity Transducer (Model 330880-28-20-045-01-02)

Description

A rugged, high-performance proximity transducer designed for precise industrial measurements. Built by Bently Nevada, a trusted name in sensor technology, this transducer delivers reliable data for machinery monitoring, vibration analysis, and position tracking. Engineered with durable materials and advanced insulation, it withstands harsh environments while maintaining accuracy.

Model Suffix Breakdown

The full model number 330880-28-20-045-01-02 breaks down as:

-28: 3300 XL 8mm probe with multiple approvals.
-20: 2-inch standoff adapter (B dimension).
-045: 45mm probe penetration (C dimension).
-01: Includes 1x 3/4-14 NPT fitting + 2 plugs.
-02: 3/4-14 NPT mounting thread (required with standoff adapter).

Key Specifications

Measurement Range: Linear range of 2mm (80 mils), from 0.25mm to 2.3mm (10-90 mils).
Accuracy: ±0.025mm (±1 mil) deviation from best-fit line (0°C to 45°C).
Output Signal: -1Vdc to -17Vdc, 50Ω output resistance.
Temperature Range: Probe operates from -51°C to 177°C (-60°F to 350°F).
Sensitivity: 7.87V/mm (200mV/mil) ±5% (0°C to 45°C).

Installation Guidelines

Torque: Retaining nut (29.5N·m / 260in·lb); probe sleeve locknut (39.3N·m / 350in·lb).
Wiring: Use 0.2-1.5mm² (16-24AWG) 3-conductor shielded triax cable. Max wiring length: 305m (1,000ft).

Compatibility

Works with 3300 XL Proximitor Sensors. Signal rolloff at high frequencies may occur with longer wiring (see frequency response graph for details).

Certifications

IP66 rated (BASEEFA report T07/0709).
Withstands 4J impacts at -39°C and 115°C; 7J impacts at room temp (CSA verified).

Package Contents

3300 XL 8mm probe.
1m 75Ω triaxial FEP-insulated cable.
Standoff adapter (2in).
3/4-14 NPT fitting + 2 plugs.
Mounting hardware (stainless steel components).

Download PDF file here:PROXPAC XL Proximity Transducer