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330881-28-00-150-03-02

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The Bently Nevada 330881-28-00-150-03-02 PROXPAC XL proximity sensor effectively solves the problem of unreliable displacement sensing in harsh industrial environments.
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Technical specifications for 330881-28-00-150-03-02

  • Manufacturer:
    Bently Nevada
  • Part Number:
    330881-28-00-150-03-02
  • Product Family:
    PROXPAC XL Proximity Transducer Assembly
  • Probe and Approvals:
    3300 XL 8 mm probe with Multiple Approvals
  • Standoff Adapter:
    No standoff adapter
  • Probe Penetration:
    150 mm
  • Fittings Option:
    One M20 fitting, two plugs
  • Mounting Thread:
    3/4-14 NPT
  • Output resistance:
    50 Ω
  • Recommended Gap Setting:
    1.27 mm (50 mils)
  • Shaft Diameter Minimum:
    50.8 mm (2.0 in)
  • Weight:
    1.4 kg
  • Estimated shipping dimensions:
    32.02x12x9.14cm
  • Tariff Code:
    8537101190
  • Country of origin:
    USA
  • Place of shipment:
    Xiamen,Fujian,China
By purchasing this item, you agree to the Terms & Conditions, ApterPower is not an authorized distributor for listed manufacturers or tradenames and therefore the manufacturer's warranty does not apply. All our products come with ApterPower's 1-year warranty.

More Information

Overview Manuals Specifications Applications Diagnostics & Protection Installation & Integration

Features:

  • Interface Between the Proximity Probe and Monitoring System
  • Combines Capability of Eddy Current Sensing with Robust Mechanical Packaging
  • Operates in Conjunction with the 3300 XL Monitoring Systems and Bently Nevada Protection Systems
The 330881-28-00-150-03-02 operates as the PROXPAC XL Proximity Transducer, providing reliable displacement measurement to all compatible monitoring modules within the system. It continuously converts physical target movement (via the integrated 3300 XL 8 mm probe) to accurate electrical signals and transmits this data through standard cabling to support steady state operation of all monitors and protection modules. Seamless signal integration is standard with the 330881-28-00-150-03-02, however using an optional Redundant Probe Configuration will allow seamless switchover to a backup sensor in the event of a primary probe failure. The 330881-28-00-150-03-02 has made improvements in several areas over previous transducer designs in addition to incorporating Multiple Approvals capability for global deployment.

The 330881-28-00-150-03-02 provides essential sensing functions common to the entire monitoring path, and is a critical component of the machinery protection system, directly affecting the proper, normal operation of the overall condition monitoring system. One or multiple 330881-28-00-150-03-02 transducers are required per machine train depending on the desired measurement points. The 330881-28-00-150-03-02 features a compact integrated design with 150 mm probe penetration and is always installed with the 3/4-14 NPT mounting thread for secure mechanical attachment.

For Critical Machinery applications, the 3300 System requires the 330881-28-00-150-03-02 proximity transducer installed at key measurement locations. In addition to standard single probe operation, the redundant configuration also performs automatic signal validation. The 3300 dual probe configuration executes failover using the monitoring system circuitry specified in the rack configuration. Using this method, the redundant sensing system continually monitors the health of both probes. If the system detects that the primary 330881-28-00-150-03-02 is no longer providing stable output (outside configured gap voltage/tolerance levels), it will automatically transfer the monitoring function to the secondary probe and place an event in the System Event List.

The 330881-28-00-150-03-02 Bently Nevada PROXPAC XL Proximity Transducer may still be available for purchase and support from Apter Power beyond End-Of-Life (EOL) by the manufacturer (OEM).
Bently Nevada 330881-28-00-150-03-02 PROXPAC XL Proximity Transducer Manuals,Datasheets,Link Important Notice: Other accessories, manuals, cables, calibration data, software, etc. are not included with this equipment unless listed in the above stock item description. All prices are shown in USD.
Bently Nevada 330881-28-00-150-03-02 PROXPAC XL Proximity Transducer Specs

General

  • Manufacturer Bently Nevada
  • Model 330881-28-00-150-03-02
  • Condition New Original ready stock
  • Product Family 330881-28-00-150-03-00,330881-28-00-150-03-01
Important Notice: Other accessories, manuals, cables, calibration data, software, etc. are not included with this equipment unless listed in the above stock item description. All prices are shown in USD.
  • Vibration Monitoring: Measures radial vibration in rotating machinery like turbines, compressors, and electric motors.
  • Position Measurement: Monitors axial (thrust) position and shaft dynamics.
  • Rotational Speed: Used in Keyphasor and speed measurement applications.
  • Severe Environments: Rated for Type 4X and IP66 environments, making it suitable for harsh industrial conditions.
  • Self-Contained Design: By housing the Proximitor sensor internally, it eliminates the need for extension cables, which are common points of signal degradation or failure.
  • Advanced Materials: The housing is made of Polyphenylene Sulfide (PPS), a thermoplastic reinforced with glass and conductive fibers to strengthen the unit and dissipate electrostatic charges.
  • Fault Detection: Supports real-time monitoring of shaft dynamics to detect early signs of misalignment, imbalance, or bearing wear.
  • Electrical Protection: Features integrated signal conditioning for noise-free data transmission and built-in temperature compensation.
  • Direct Field Wiring: Eliminates the need for a separate Proximitor housing; field wiring connects directly from the monitor to the PROXPAC XL assembly.
  • Compatibility: Fully compatible with Bently Nevada 3500/42M monitoring systems.
  • Adjustability: The housing allows for external adjustment of the proximity probe, similar to 31000/32000 series housings.
  • Technical Limits: Operates within a linear range of 2 mm (80 mils) with a frequency response of 0–10 kHz.
Description
The Bently Nevada 330881-28-00-150-03-02 is a PROXPAC XL Proximity Transducer specifically engineered for critical machinery protection and condition monitoring applications in industrial environments. This advanced proximity sensor is designed to address the challenges of accurate vibration measurement and shaft position monitoring in rotating equipment, solving the problem of unreliable displacement sensing in harsh industrial settings where precision and durability are paramount.

The 330881-28-00-150-03-02 integrates the proven 3300 XL 8 mm probe technology, which is widely recognized for its exceptional performance in turbomachinery monitoring. This probe configuration carries Multiple Approvals, ensuring compliance with stringent international safety and performance standards for use in hazardous and non-hazardous areas across global industrial installations. The 330881-28-00-150-03-02 is particularly suited for applications requiring certified equipment in diverse regulatory environments, eliminating the complexity of managing multiple sensor variants for different geographic locations.

Regarding its physical configuration, the 330881-28-00-150-03-02 features No standoff adapter, providing a direct-mount solution that simplifies installation and reduces potential points of failure in the measurement chain. The 330881-28-00-150-03-02 offers a Probe Penetration depth of 150 mm, making it ideal for applications requiring substantial insertion depth into pressure vessels or through thick bearing housings, such as steam turbines, gas compressors, and large industrial pumps where standard penetration lengths are insufficient.

For connectivity, the 330881-28-00-150-03-02 is equipped with One M20 fitting and two plugs, offering flexible conduit entry options for cable management and environmental sealing. The 330881-28-00-150-03-02 utilizes a 3/4-14 NPT Mounting Thread, a robust industry-standard connection that ensures secure mechanical attachment and reliable sealing in high-pressure, high-temperature environments commonly found in oil and gas, power generation, and petrochemical processing facilities.
Alternative Names
330881 28 00 150 03 02 330881-28-00-150-03-00 330881-28-00-150-03-01 330881-28-00-150-00-02 330881-28-00-150-01-02
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FAQS

The following is a list of questions commonly asked by our customers. Please contact us if you have a question about our process that is not answered below.
What is the Bently Nevada 330881-28-00-150-03-02?
The Bently Nevada 330881-28-00-150-03-02 is a PROXPAC XL Proximity Transducer designed for critical machinery protection and condition monitoring in industrial environments.
What is the probe penetration depth of the 330881-28-00-150-03-02?
It has a probe penetration depth of 150 mm, making it suitable for deep installation in large industrial equipment.
Why is Multiple Approval important for this model?
It allows the same sensor to be deployed across different regions without needing separate certified variants, simplifying global project management.