The 330881-28-00-060-00-02 is a Bently Nevada PROXPAC XL self-contained proximity transducer assembly featuring an integrated 3300 XL Proximitor sensor built directly into the housing cover. Fully compatible with industrial monitoring architectures, this advanced thermoplastic unit works seamlessly with machinery protection monitors to deliver an 80-mil linear range, precise 60mm metric probe penetration, and direct field wiring termination without an extension cable.

Enviromental Strength

• IP66 / Type 4X protection: Bently Nevada 330881-28-00-060-00-02 features a sealed PPS housing that provides strong resistance against dust, water, and corrosive industrial environments.

• Extreme weather durability: Designed to operate reliably in harsh outdoor and plant conditions, maintaining stable performance under rain, humidity, and contamination exposure.

• Heat resistance capability: Supports wide operating temperature range, ensuring dependable measurement in high-temperature turbine and compressor environments.

• Corrosion-resistant construction: PPS thermoplastic housing with reinforced fibers improves resistance to chemicals, oil mist, and industrial pollutants.

• Electrical protection design: Integrated shielding and grounding structure helps reduce electrostatic discharge and maintains stable signal integrity in noisy environments.

• Heavy-duty industrial reliability: Built for continuous vibration monitoring in rotating machinery, ensuring long-term durability in demanding process industries.

Control&Communication

 • Integrated signal control: Bently Nevada 330881-28-00-060-00-02 features a built-in 3300 XL Proximitor sensor, enabling direct signal processing and eliminating the need for external signal conditioning units.

 • Direct monitor connection: Field wiring connects directly to monitoring systems, reducing communication latency and simplifying system architecture for vibration and position data transmission.

 • Stable analog output: Provides a linear voltage output proportional to probe gap distance, ensuring consistent communication of vibration and displacement signals.

 • Reduced system complexity: Self-contained design removes the need for extension cables between probe and sensor, improving signal integrity and reducing connection points.

 • Industrial EMI resistance: Built-in shielding and PPS housing help maintain stable communication performance in electrically noisy industrial environments.

 • Standardized compatibility: Supports 3300 XL monitoring systems with standard wiring and configuration, ensuring seamless integration into existing control architectures.

Ordering Information

Installation & Troubleshooting FAQ

Q1: How does this specific PROXPAC XL configuration eliminate the need for an external extension cable?
A: The housing cover incorporates an integral 3300 XL Proximitor sensor. The pre-installed 1-meter internal probe cable plugs directly into this built-in sensor interface inside the enclosure, allowing field loop wiring to land directly on the cover terminal block.

Q2: What material advantages does the molded plastic housing provide over older aluminum enclosures?
A: The housing is molded from ultraviolet (UV) resistant, glass-reinforced Polyphenylene Sulfide (PPS) thermoplastic. This material contains conductive fibers that strengthen structural integrity and effectively dissipate dangerous electrostatic charges.

Q3: The transducer output signal has cut out, and I suspect a housing seal failure. Can moisture enter the card area?
A: The assembly seals differential pressure using an internal Viton O-ring around the probe tip and a Neoprene O-ring between the sleeve and housing to achieve IP66 and Type 4X ratings. Check your main conduit lines, as moisture can travel down external pipes directly into the wire terminals if not properly sealed with waterproof tape.

Q4: What is the maximum linear measurement range of this transducer, and where does it begin?
A: The system delivers a total linear range of 2 mm (80 mils) with a nominal scale factor of 7.87 V/mm (200 mV/mil). The linear zone begins approximately 0.25 mm (10 mils) from the target surface and extends out to 2.3 mm (90 mils).

Q5: What are the proper torque specifications for securing the primary mechanical hardware connections?
A: To maintain long-term structural alignment, prevent thread binding, and guarantee seal integrity, tighten the main outer retaining nut to 29.5 N-m (260 in-lb) and the internal probe sleeve locknut to 39.3 N-m (350 in-lb).

Accessories