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330881-BR-04-85-03-02

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The Bently Nevada 330881-BR-04-85-03-02 is a precision PROXPAC XL 8 mm proximity transducer assembly designed for accurate, non-contact measurement of shaft displacement and vibration in critical rotating machinery.
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Technical specifications for 330881-BR-04-85-03-02

  • Manufacturer:
    Bently Nevada
  • Part Number:
    330881-BR-04-85-03-02
  • Product Family:
    PROXPAC XL Proximity Transducer Assembly
  • RetainingNut:
    29.5 N·m (260 in·lb)
  • Operating Temperature:
    -52°C to +100°C(-62°F to +212°F)
  • ProxpacStorageTemperature:
    -52°C to +105°C(-62°F to +221°F)
  • RecommendedGap Setting:
    1.27 mm (50 mils)
  • Outputresistance:
    50 Ω
  • Minimum TargetSize:
    15.2 mm (0.6 in) diameter(flat target)
  • ProximitorSensor Input:
    3300 XL 8 mm Proximity Probewith a 1-metre cable lengthinstalled in the probe sleeve.
  • Weight:
    1.5 kg
  • Estimated shipping dimensions:
    37x9x8cm
  • 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 Specification
 

Features:

  • Interface Between the 330881-BR-04-85-03-02 PROXPAC XL Assembly and 3300 XL / 3500 Monitoring Systems
  • Combines Capability of 8 mm Proximity Sensing with Shaft Displacement and Vibration Measurement
  • Operates in Conjunction with Standard 3300 XL and 3500 Series Monitors for Critical Machinery Protection
The Bently Nevada 330881-BR-04-85-03-02 functions as a fully integrated PROXPAC XL 8 mm proximity transducer assembly, providing precise, non-contact shaft displacement and vibration measurement for critical rotating machinery. It continuously converts mechanical shaft motion into high-resolution electrical signals via its 8 mm probe and integrated Proximitor sensor, delivering reliable outputs to 3300 XL and 3500 Series monitoring systems.

The Bently Nevada 330881-BR-04-85-03-02 provides essential shaft displacement and vibration measurement functions for critical rotating machinery, and is a key component of the monitoring path, directly affecting the accurate operation of the overall condition monitoring system. One or more 330881-BR-04-85-03-02 assemblies are installed per machine depending on the number of measurement points and required redundancy. The assembly is compact, factory-configured, and designed for straightforward integration with 3300 XL and 3500 Series monitoring systems, ensuring reliable, long-term performance.

For dual-redundant monitoring applications, the Bently Nevada 330881-BR-04-85-03-02 can be deployed in a secondary assembly to provide backup measurement capability. In addition to standard single-probe operation, the redundant configuration allows automatic switchover if the primary transducer assembly fails or its output signal falls outside specified displacement or vibration tolerances.

The 330881-BR-04-85-03-02 Bently Nevada PROXPAC XL 8 mm proximity transducer assembly may still be available for purchase and support from Apter Power beyond End-Of-Life (EOL) by the manufacturer (OEM).
 
Bently Nevada 330881-BR-04-85-03-02 PROXPAC XL 8 mm Proximity Transducer Assembly 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-BR-04-85-03-02 PROXPAC XL 8 mm Proximity Transducer Assembly Specs

General

  • Manufacturer GE / Bently Nevada
  • Model 330881-BR-04-85-03-02
  • Condition New Original ready stock
  • Product Family 330881-BR-04-85-06-02 ,330881-BR-04-070-03-02,330881-BR-04-110-06-02
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.
Description
This assembly combines a factory-calibrated 8 mm probe with an integrated Proximitor® sensor and pre-terminated cabling, providing a compact, ready-to-install solution that reduces installation errors and ensures signal integrity. It delivers reliable outputs directly to 3300 XL and 3500 Series monitoring systems, supporting condition monitoring and machinery protection.

The Bently Nevada 330881-BR-04-85-03-02 is a precision PROXPAC XL 8 mm proximity transducer assembly designed for accurate, non-contact measurement of shaft displacement and vibration in critical rotating machinery. This assembly combines a factory-calibrated 8 mm probe with an integrated Proximitor® sensor and pre-terminated cabling, providing a compact, ready-to-install solution that reduces installation errors and ensures signal integrity. It delivers reliable outputs directly to 3300 XL and 3500 Series monitoring systems, supporting condition monitoring and machinery protection.

The 330881-BR-04-85-03-02 assembly is constructed with industrial-grade materials to withstand harsh environments, including temperature extremes, vibration, moisture, and dust. Its robust design ensures long-term reliability and consistent performance in power generation, petrochemical, and heavy industrial applications. By integrating sensing and signal conditioning in one assembly, it simplifies installation, minimizes wiring errors, and provides dependable operation over the lifecycle of critical rotating equipment.

This product plays a key role in predictive maintenance programs, helping operators maintain machine uptime, prevent unplanned outages, and enhance safety by continuously monitoring shaft position and vibration trends.
Alternative Names
330881-BR-04-85-06-02 330881-BR-04-070-03-02 330881-BR-04-110-06-02
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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 type of measurements does the 330881-BR-04-85-03-02 provide?
The 330881-BR-04-85-03-02 delivers non-contact shaft displacement and vibration measurements using an 8 mm PROXPAC XL probe with an integrated Proximitor sensor.
What is the probe penetration length and typical application?
The assembly features an 85 mm probe penetration length, suitable for bearing housings or machinery requiring moderate reach for precise monitoring.
Which monitoring systems is the 330881-BR-04-85-03-02 compatible with?
It is compatible with Bently Nevada 3300 XL and 3500 Series monitoring systems, providing reliable condition monitoring and machinery protection.