Bently Nevada

330881-16-05-070-00-02 Bently Nevada PROXPAC XL Proximity Transducer

SKU 330881-16-05-070-00-02

In stock
  • 12-month warranty
  • Free returns within 30 days
  • Manufacturer: Bently Nevada

  • Product No.: 330881-16-05-070-00-02

  • Country of origin:United States

  • Product Type: Proximity Transducer Housings

  • Payment: T/T, Western Union

  • Weight: 320g

  • Shipping port: Xiamen

  • Warranty: 12 months

Description

Providing reliable structural housing and precise physical alignment for rotating machinery instrumentation, the Bently Nevada 330881-16-05-070-00-02 is a heavy-duty industrial PROXPAC XL proximity transducer assembly. This integrated unit simplifies probe installation on machine casings by combining an eddy-current proximity probe with a rugged, environmental-resistant junction enclosure. Engineered specifically to interface with machine monitoring systems, this unit features a 3300 XL 8 mm proximity probe configured with a 50 mm standoff adapter and a 70 mm probe penetration depth, ensuring stable dynamic shaft displacement tracking under harsh processing conditions.

Features

  • Unified Assembly: Consolidates the proximity probe, standoff adapter, and weather-resistant junction box into a single mechanical installation.
  • Mechanical Protection: Guarded housing protects sensitive cable connectors and probe heads from ambient moisture, physical impact, and chemical exposure.
  • Precision Positioning: Features a calibrated 50 mm standoff adapter (B Dimension) and a 70 mm probe penetration (C Dimension) for targeted air-gap calibration.
  • Standardized Thread Mounting: Equipped with a robust 3/4-14 NPT mounting thread to guarantee stable mechanical coupling to machine casings.

Applications

  • Radial shaft vibration monitoring on high-speed industrial turbines and compressors.
  • Axial thrust position measurement in power plant generators and utility pumps.
  • Machinery protection systems across petrochemical refineries and steel milling operations.

Technical Specifications

Parameter Value / Specification
Manufacturer Bently Nevada (Baker Hughes)
Model Number 330881-16-05-070-00-02
Product Line PROXPAC XL Series
Integrated Probe Type 3300 XL 8 mm Proximity Probe (Option 16, No Approvals)
Standoff Adapter (B) 50 mm
Probe Penetration (C) 70 mm
Fittings Option No fittings (includes two plugs and two washers)
Mounting Thread Option 3/4-14 NPT
Country of Origin United States
Net Weight 1.44 kg
Shipping Weight (Calculated) 2.50 kg

Empirical Engineering Insights

Alternative Models & Compatibility: This configuration acts as a functional drop-in mechanical replacement for the 330881-28-05-070-00-02 assembly. Note that the -28 variant utilizes a probe with hazardous area agency approvals, whereas the -16 option embedded in this device lacks these specific certifications. Verify local zone safety classification guidelines before substituting.

Application Pitfalls & Engineering Notes: Ensure your combined calculation of the B and C dimensions precisely matches the actual casing thickness and clearance requirements of the rotor shaft. Sub-optimal dimension selection can result in either probe-to-shaft impact during thermal expansion or placement of the probe sensor completely outside its linear operational range.

Commissioning & Wiring Tips: Use an appropriate high-temperature thread compound on the 3/4-14 NPT casing thread to prevent seizure and guarantee an airtight seal. When routing the internal coaxial cable, maintain the minimum bending radius specified by Bently Nevada to prevent micro-fracturing of the signal core, which typically manifests as signal drift or false high-vibration alerts.

Installation Guidelines

CRITICAL SAFETY WARNING

Isolate, lock out, and de-energize the target rotating machinery before mounting or servicing this proximity transducer housing. Verify that the machine is completely at rest and depressurized to prevent severe injury or equipment destruction.

1
Inspect the casing mounting port, ensuring the 3/4-14 NPT threads are clean, free of burrs, and clear of any debris or residual sealant.
2
Install the standoff adapter and probe assembly, taking care not to scrape or strike the physical tip of the 3300 XL 8 mm probe against the steel wall.
3
Verify correct probe gap alignment using a static voltmeter or dedicated calibration gear prior to tightening the outer locking mechanisms.
4
Securely tighten the enclosure assembly and verify that the two provided plugs and washers are installed in the unused port connections to preserve weatherproofing.

FAQ

What does the -16 code represent in this Bently Nevada assembly?

The -16 code signifies that the assembly is configured with an integrated 3300 XL 8 mm proximity probe that does not carry hazardous area agency approvals.

Can I use this unit to replace a 330881-28-05-070-00-02 model?

Mechanically, yes, they share identical dimensions. However, the -28 version includes hazardous area certifications, whereas this -16 version does not. Ensure your site electrical safety classification allows non-certified equipment before swapping.

What are the exact B and C mechanical dimensions for this model?

The B dimension (standoff adapter length) is 50 mm, and the C dimension (probe penetration depth into the casing) is 70 mm.

Does this package include mounting thread fittings?

No. The -00 fittings option indicates that no fittings are supplied; the unit is delivered with two environmental plugs and two sealing washers.

View all FAQs →

Product Documentation

Technical Datasheet (PDF) Complete specifications and technical drawings.

Technical Datasheet

330881-16-05-070-00-02 Bently Nevada PROXPAC XL Proximity Transducer

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  • Standard Delivery: 4–6 business days via DHL, FedEx, and UPS.
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Returns & Warranty

  • 30-Day Guarantee: Returns accepted for in-stock products in original, factory-sealed packaging.
  • 12-Month Warranty: Every industrial component is backed by our technical warranty.
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Global Express Shipping

  • Standard Delivery: 4-6 Business Days via DHL, FedEx, and UPS.
  • Express Dispatch: Same-day dispatch for in-stock orders placed before 2:00 PM (GMT+8).
  • Worldwide Coverage: Serving over 150 countries, including rapid delivery to Saudi Arabia and UAE.

Returns & Warranty

  • 30-Day Guarantee: Returns accepted for in-stock products in original, factory-sealed packaging.
  • 12-Month Warranty: Every industrial component is backed by our professional technical warranty.

Orders are processed and delivered Monday-Friday (excluding public holidays).


For full eligibility, restocking fees, and international return details, please view our official Refund & Return Policy .

TECHNICAL SPECIFICATIONS

Country of origin
United States

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