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330881-28-16-155-03-02

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PROXPAC XL proximity sensor assembly 330881-28-16-155-03-02 solves probe maintenance and adjustment problems without downtime.
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Technical specifications for 330881-28-16-155-03-02

  • Manufacturer:
    Bently Nevada
  • Part Number:
    330881-28-16-155-03-02
  • Product Family:
    PROXPAC XL Proximity Transducer Assembly
  • Probe and Approvals Option:
    3300 XL 8 mm probe with Multiple Approvals
  • Standoff Adapter Option:
    160 mm
  • Probe Penetration:
    155 mm
  • Fittings Option:
    One M20 fitting, two plugs
  • Mounting Thread:
    3/4-14 NPT
  • Supply-voltage sensitivity:
    < 2 mV output change per 1 V supply change
  • Output impedance:
    50 Ω.
  • Minimum target size:
    15.2 mm (0.6 in) diameter flat target.
  • Weight:
    1.35 kg
  • Estimated shipping dimensions:
    36.5x9x9.3cm
  • 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 Operating Environment Communication & Connectivity

Features:

  • Interface Between the Proximity Probe and Monitoring System
  • Combines Capability of Probe Sensing with Integrated Proximitor Electronics
  • Operates in Conjunction with 3300 XL Monitoring Systems and Bently Nevada Machinery Protection Systems
The Bently Nevada 330881-28-16-155-03-02 PROXPAC XL Proximity Transducer operates as a completely self-contained proximity probe system, providing reliable vibration measurement and position monitoring in demanding industrial environments. It continuously converts mechanical displacement into electrical signals through the integrated 3300 XL 8 mm probe with Multiple Approvals and transmits these signals directly to monitors without requiring intermediate extension cables. Seamless integration is standard with the 330881-28-16-155-03-02, however the elimination of external Proximitor housing and extension cables significantly reduces installation complexity and potential failure points. The 330881-28-16-155-03-02 has made improvements in several areas over previous 31000/32000 Proximity Probe Housing Assemblies in addition to incorporating advanced PPS thermoplastic housing material within the PROXPAC XL product line.

The 330881-28-16-155-03-02 provides essential sensing functions for machinery protection applications, and is a critical component of the measurement path, directly affecting the accurate, reliable operation of the overall monitoring system. One 330881-28-16-155-03-02 assembly is required per measurement point depending on the desired monitoring coverage. The 330881-28-16-155-03-02 features 155 mm probe penetration depth and occupies minimal installation space with its 160 mm standoff adapter configuration.

For Severe Environment applications, the 330881-28-16-155-03-02 PROXPAC XL Assembly incorporates Polyphenylene Sulfide (PPS) housing rated for Type 4X and IP66 environments. In addition to standard probe operation, the robust configuration also performs effective electrostatic charge dissipation. The 330881-28-16-155-03-02 housing design executes protection using the glass and conductive fiber reinforcement specified in the material composition. Using this method, the thermoplastic housing system continually withstands corrosive elements and moisture exposure. If the system operates in harsh industrial conditions (outside standard environmental tolerance levels), it will maintain structural integrity and signal reliability while providing extended service life in chemical processing, oil and gas, and power generation facilities.

The 330881-28-16-155-03-02 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 330881-28-16-155-03-02 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 330881-28-16-155-03-02 PROXPAC XL Proximity Transducer Specs

General

  • Manufacturer Bently Nevada
  • Model 330881-28-16-155-03-02
  • Condition New Original ready stock
  • Product Family 330881-28-16-155-03-00,330881-28-16-155-03-01
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 & Position: Measures radial vibration, axial (thrust) position, and shaft dynamics.
  • Speed & Timing: Used for Keyphasor measurements and RPM sensing.
  • Target Machinery: Primarily utilized in large rotating assets like gas and steam turbines, compressors, pumps, and generators in sectors such as oil and gas and power generation.
  • Housing Material: Made of Polyphenylene Sulfide (PPS) molded with glass and conductive fibers for strength and electrostatic dissipation.
  • Environmental Ratings: Rated IP66 and Type 4X, protecting against dust and hose-directed water.
  • Temperature Ranges: Probe Tip: -52°C to +177°C (-62°F to +351°F). Housing/Sensor: -52°C to +100°C (-62°F to +212°F).
  • Humidity: 100% condensing, non-submersible, provided connectors are protected.
  • Signal Output: Provides a voltage output proportional to the distance between the probe and target, typically 7.87 V/mm (200 mV/mil).
  • Direct Field Wiring: Field wiring connects directly to monitoring systems (like the Bently Nevada 3500) from the housing terminals, eliminating the need for a separate Proximitor.
  • Power Requirements: Requires a negative DC power supply, typically between -17.5 Vdc and -26 Vdc.
  • RFI/EMI Immunity: Designed for high resistance to radio frequency interference, allowing installation in fiberglass housings without additional shielding.
Description
The PROXPAC XL Proximity Transducer Assembly 330881-28-16-155-03-02 is specifically designed for accessing and externally adjusting proximity probes in demanding industrial environments, solving the challenge of probe maintenance and adjustment without system shutdown. The 330881-28-16-155-03-02 incorporates the 3300 XL 8 mm probe with Multiple Approvals, ensuring broad compatibility and regulatory compliance across various industrial applications.

The 330881-28-16-155-03-02 features a 160 mm Standoff Adapter and 155 mm Probe Penetration depth, making it suitable for installations requiring significant probe extension into machinery housings. The 330881-28-16-155-03-02 is equipped with one M20 fitting and two plugs for versatile connectivity options, along with a 3/4-14 NPT mounting thread that is required when ordering the Standoff Adapter Option.

The housing design of the 330881-28-16-155-03-02 utilizes Polyphenylene Sulfide (PPS), an advanced molded thermoplastic material that replaces traditional steel and aluminum construction. This innovative material in the 330881-28-16-155-03-02 incorporates glass and conductive fibers to strengthen the housing structure and effectively dissipate electrostatic charges. The 330881-28-16-155-03-02 is rated for Type 4X and IP66 environments, providing enhanced protection in severe industrial conditions where dust, moisture, and corrosive elements are present.

A key advantage of the 330881-28-16-155-03-02 is its integrated design containing the 3300 XL Proximitor sensor directly within the housing cover. This configuration eliminates the need for extension cables between the probe and Proximitor sensor, and removes the requirement for separate Proximitor housing units. Field wiring for the 330881-28-16-155-03-02 connects directly between monitors and the assembly, simplifying installation and reducing potential points of failure in vibration monitoring systems.
Alternative Names
330881-28-16-155-03-00 330881-28-16-155-03-01 330881-28-16-155-01-02 330881-28-16-155-02-02 330881-28-16-155-05-02
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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 PROXPAC XL Proximity Transducer Assembly 330881-28-16-155-03-02 designed for?
The PROXPAC XL Proximity Transducer Assembly 330881-28-16-155-03-02 is designed to provide convenient external access and adjustment of proximity probes in demanding industrial environments, allowing maintenance and calibration without shutting down the system.
What are the mechanical configuration details of the 330881-28-16-155-03-02?
The unit features a 160 mm standoff adapter and a 155 mm probe penetration depth, making it suitable for installations that require deep access into machinery housings.
What material is used for the housing of the 330881-28-16-155-03-02, and why?
The housing is made from Polyphenylene Sulfide (PPS), a high-performance thermoplastic reinforced with glass and conductive fibers, providing enhanced strength and effective electrostatic discharge protection compared to traditional metal housings.