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Bently Nevada

Bently Nevada 330881-28-05-050-03-02 PROXPAC XL Proximity Transducer Assembly

SKU 330881-28-05-050-03-02

  • Part Number:

    330881-28-05-050-03-02

  • Manufacturer:

    Bently Nevada

  • Condition:

    Brand New & in Stock

  • Product Type:

    PROXPAC XL Proximity Transducer

  • Origin:

    USA

  • Shipping Detail:

    Fedex and UPS etc

  • Warranty:

    12 months

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Bently Nevada 330881-28-05-050-03-02 PROXPAC XL Proximity Transducer Assembly

The Bently Nevada 330881-28-05-050-03-02, also cataloged as the 330881 PROXPAC XL Proximity Transducer Assembly, integrates an 8 mm probe and Proximitor sensor into a single housing for displacement measurement in rotor-dynamic monitoring systems.

Suffix Breakdown & Model Matrix

  • 330881: PROXPAC XL Proximity Transducer Assembly (Metric).
  • -28 (Probe Option): 3300 XL 8 mm proximity probe with multiple international hazardous area approvals.
  • -05 (Standoff Adapter): 50 mm standoff adapter length.
  • -050 (Probe Penetration): 50 mm penetration depth.
  • -03 (Fittings Kit): One M20 conduit fitting and two plugs.
  • -02 (Mounting Thread): 3/4-14 NPT thread connection.

Hardware Specifications

Parameter Specification
Model 330881-28-05-050-03-02
Brand Bently Nevada
Origin USA
Weight Not specified
Dimensions Probe penetration 50 mm; 3/4-14 NPT thread
Operating Temp -34 to +177 deg C
Housing Material PPS thermoplastic with conductive fibers
Environmental Rating IP66, Type 4X
Linear Range 2.0 mm (80 mils)
Scale Factor 7.87 V/mm (200 mV/mil), ±5%
Core Performance Integrated probe + Proximitor sensor assembly

Eddy-Current Probe Scaling and Gap Voltage Validation

The assembly maintains calibrated eddy-current scaling across its integrated probe and Proximitor electronics. Gap voltage validation against -10 VDC targets ensures linear displacement behavior across the 2.0 mm measuring span. Internal shielding and impedance matching suppress cross-talk, enabling accurate rotor dynamics analysis in multi-probe installations.

Frequently Asked Questions

Q: Does the standoff adapter require recalibration? A: No, the adapter defines mechanical positioning only; electrical calibration remains governed by the probe/Proximitor pairing.

Q: Can the assembly be removed while energized? A: Removal should occur only when the monitoring channel is de-energized to avoid transient gap-voltage excursions.

Q: How does long cable routing affect performance? A: The assembly supports extended cabling within specified limits; attenuation remains within the defined 0–10 kHz frequency response band.

Field Installation Guidelines

  • Verify 3/4-14 NPT thread engagement to ensure mechanical stability under vibration.
  • Maintain a clean mounting surface for consistent eddy-current field alignment.
  • Ground shielding at the Proximitor end only to prevent ground-loop formation.
  • Avoid sharp bends in coaxial cabling to preserve impedance characteristics.
  • Confirm recommended gap voltage before energizing the monitoring channel.
Related Tags:
Bently Nevada PROXPAC XL Proximity Transducer
Is our price competitive?
Topbrands collaborates with over 50 countries worldwide. As a leading supplier in China, we can provide significant discounts to customers based on market demand.
What is the warranty period?
We offer a standard one-year warranty for all new and original items.
What payment methods do we accept?
We accept 100% T/T (Telegraphic Transfer) before shipping. For items with a lead time, a 30% deposit is required in advance, with the remaining 70% balance due before shipping. If you have an agent in China, please contact us for RMB transfer.
What is the warranty period?
We offer a standard one-year warranty for all new and original items.
What shipping methods do we use?
We primarily utilize carriers such as FedEx, DHL, UPS, BRE, etc. If you have an account with any of these carriers, you can arrange the shipping yourself. Additionally, we offer free shipping to China freight forwarders.
What is our delivery time?
Typically, delivery takes around 1-3 days after receiving the advance payment. For items with a quoted lead time, delivery will occur as per the specified lead time.
How do we package the goods?
Our packaging process involves multiple layers of protection. Initially, the product is placed in its original box, sealed with a label. Then, we add a layer of bubble wrap to safeguard against collisions during transportation. Finally, all products are securely packed in sturdy boxes for further protection.
How can customers contact us and request a quote?
Customers can inquire via email, WhatsApp, WeChat, Skype, or any preferred communication platform. Simply reach out to us, and we'll promptly provide a quote tailored to your needs.
Read next

Topbrands PLC Limited is a top supplier of genuine new PLC and DCS parts, serving over 50 countries globally. We offer high-quality products from renowned brands like Bently Nevada, Honeywell, ABB, and more. With our warehouse in China stocking up to 30,000 pieces, we ensure rapid delivery to meet urgent order needs while maintaining competitive pricing to save our customers' budgets. Learn more...

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