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330881-28-00-165-07-02

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The 330881-28-00-165-07-02 is a PROXPAC XL Proximity Transducer Assembly featuring a 3300 XL 8 mm probe with multiple approvals.
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Technical specifications for 330881-28-00-165-07-02

  • Manufacturer:
    Bently Nevada
  • Part Number:
    330881-28-00-165-07-02
  • Product Family:
    PROXPAC XL Proximity Transducer Assembly
  • Product Type:
    PROXPAC XL Proximity Transducer Assembly
  • Probe Type:
    3300 XL 8 mm probe with Multiple Approvals
  • Standoff Adapter:
    None
  • Probe Penetration:
    165 mm
  • Mounting Thread:
    3/4-14 NPT (required for standoff adapter option)
  • Fittings Included:
    One PG21 x M20 fitting, two plugs
  • Design Feature:
    Integrated 3300 XL Proximitor sensor in housing cover
  • Key Benefit:
    Solves the pain point of deep-well installations with 165 mm probe penetration—reaches far into thick casings while the self-contained design eliminates extension cables and separate Proximitor housings. PG21 x M20 fitting accommodates metric conduit systems.
  • Weight:
    1.25 kg
  • Estimated shipping dimensions:
    38.5x9x9.2cm
  • Tariff Code:
    8543902100
  • 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 Application Performance Application Scenarios

Features:

  • 165 mm probe penetration with no standoff adapter provides exceptional reach for deep-well mounting through thick machine casings.
  • Self-contained design with integrated Proximitor sensor eliminates extension cables and separate Proximitor housings.
  • PG21 x M20 fitting accommodates metric conduit systems, with two plugs for flexible installation options.
The 330881-28-00-165-07-02 is engineered for installations where the measurement point sits deep inside the machine casing. Its 165 mm probe penetration allows the sensing tip to reach far into thick turbine casings, heavy compressor walls, or multiple insulation layers without requiring standoffs or custom adapters. The no-standoff design means the assembly mounts flush to the machine casing, eliminating additional components that could loosen or misalign over time.

Unlike traditional systems that require a probe, extension cable, and separate Proximitor housing, the 330881-28-00-165-07-02 integrates the Proximitor sensor directly into the housing cover. Field wiring connects straight from monitors to the assembly, reducing component count, eliminating the extension cable, and cutting potential failure points by two connectors. For system integrators, this means smaller control cabinets and faster commissioning.

The 330881-28-00-165-07-02 includes a PG21 x M20 fitting, providing direct compatibility with metric conduit systems commonly used in European and international installations. The fitting adapts the assembly for metric cable entry while maintaining the hazardous area integrity required for classified locations. Two additional plugs allow unused ports to be sealed, preventing moisture ingress and maintaining environmental protection.

The 330881-28-00-165-07-02 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 330881-28-00-165-07-02 PROXPAC XL Proximity Transducer Manuals, Datasheets, Drivers, 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 330881-28-00-165-07-02 PROXPAC XL Proximity Transducer Specs

General

  • Manufacturer GE / Bently Nevada
  • Model 330881-28-00-165-07-02
  • Condition New Original ready stock
  • Product Family 330881-00-00-165-07-02,330881-01-00-165-07-02,330881-28-00-165-00-02
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.
  • Narrow observation hole monitoring: When the machine housing counterbore is very small (e.g., diameter less than 9.5 mm), standard 8 mm probes can cause sidewall interference, while the NSV provides a clean signal.
  • Small high-speed machinery: Widely used in small centrifugal compressors, turbine expanders, high-speed gearboxes, and aircraft engine test benches.
  • External adjustment requirements: Due to its "reverse mounting" design, it is typically installed inside a probe housing, allowing engineers to adjust the clearance between the probe and the shaft externally while the machine is running.
  • High Spatial Resolution: NSV technology optimizes the magnetic field shape, requiring less surface area of ​​the target (axis) and providing higher measurement accuracy on small diameter axes (less than 3 inches).
  • Linear Range: Offers a linear measurement range of approximately 1.5 mm (60 mils). While slightly shorter than the standard 8 mm probe, it offers superior linearity and repeatability in confined spaces.
  • Thermal Stability: Maintains extremely low temperature drift over a range of -35°C to +177°C, ensuring data consistency between cold start-up and warm-up operation.
  • Probe Protection Box Integration: Installed in the 32000 series metric protection box. Protects the probe from external physical damage in harsh environments such as petrochemical plants or power plants, while enabling maintenance without shutting down the system.
  • Scenario A: Monitoring the vibration of the journal bearings in small turbines.
  • Keyphasor Acquisition: Installed in narrow housing openings, it captures keyway signals on
Description
The 330881-28-00-165-07-02 combines a 3300 XL 8 mm probe with multiple approvals into a completely self-contained proximity transducer system. Its 165 mm probe penetration provides exceptional reach for deep-well mounting applications, while the integrated Proximitor sensor eliminates the need for an extension cable between the probe and its associated electronics. 

With no standoff adapter, the 330881-28-00-165-07-02 mounts directly to the machine casing using the 3/4-14 NPT thread specified for standoff adapter options. The housing cover contains its own 3300 XL Proximitor sensor, making this assembly a complete system without requiring a separate Proximitor enclosure. 

The 330881-28-00-165-07-02 retains the same advantages as traditional 31000/32000 housings for accessing and externally adjusting proximity probes. The included PG21 x M20 fitting and two plugs provide flexible cable entry options, accommodating metric conduit systems. 

This self-contained system solves the pain point of complex installations by integrating the Proximitor sensor directly into the housing, eliminating extension cables and separate sensor enclosures.
Alternative Names
330881-00-00-165-07-02 330881-01-00-165-07-02 330881-28-00-165-00-02 330881-28-00-165-01-02
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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 probe penetration of the 330881-28-00-165-07-02?
165 mm—sufficient for deep-well applications where the measurement target sits far behind thick turbine casings, compressor walls, or insulation layers.
What fittings are included with this assembly?
One PG21 x M20 fitting for metric conduit entry and two plugs for sealing unused ports, providing flexible installation options.
How does this assembly simplify installation?
The integrated Proximitor sensor eliminates the extension cable and separate sensor housing. Field wiring connects directly from monitors to the assembly.
Can I adjust the probe after installation?
Yes, the housing provides external access for probe gap adjustment and replacement without disassembling the machine.