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Bently Nevada 330703-000-060-10-11-00 3300 XL 11 mm Proximity Probe

Bently Nevada 330703-000-060-10-11-00 3300 XL 11 mm Proximity Probe

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  • Manufacturer: Bently Nevada

  • Product No.: 330703-000-060-10-11-00

  • Country of origin:United States

  • Product Type: Proximity Probes

  • Payment: T/T, Western Union

  • Weight: 320g

  • Dimensions: 250 mm x 200 mm x 50 mm

  • Shipping port: Xiamen

  • Warranty: 12 months

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Description

Designed specifically for industrial turbomachinery protection, the Bently Nevada 330703-000-060-10-11-00 provides high-accuracy non-contact shaft displacement and vibration measurement. This 3300 XL 11 mm Proximity Probe is engineered to withstand harsh, high-pressure environments, using specialized materials and construction to deliver long-term calibration stability in critical machine monitoring systems.

Features

  • FluidLoc Cable Technology: Prevents oil, water, and other process fluids from leaking through the interior of the coaxial cable.
  • ClickLoc Coaxial Connector: Features an integrated connector protector that guards the coaxial connection from moisture, dirt, and mechanical stress.
  • Polyphenylene Sulfide (PPS) Tip: Molded tip provides high resistance to chemical attack and thermal degradation.
  • Corrosion-Resistant Case: Manufactured from AISI 304 stainless steel to ensure mechanical strength in aggressive atmospheres.

Applications

  • Steam and gas turbine radial vibration and axial thrust position tracking.
  • Hydroelectric generator shaft alignment and thermal expansion monitoring.
  • High-speed industrial compressor and boiler feed pump bearing diagnostics.

Ordering Information

Option Code Selected Configuration Value Description
000 Unthreaded Length 00 mm
060 Overall Case Length 60 mm
10 Total Length 1.0 meter (3.3 feet)
11 Connector / Cable Type Miniature coaxial ClickLoc connector with protector, FluidLoc cable
00 Agency Approvals Not required

Technical Specifications

Parameter Specification Value
Probe Diameter 11 mm
Linear Range 4.0 mm (160 mils) nominal
System Scale Factor 3.93 V/mm (100 mV/mil) when paired with 3300 XL 11mm Proximitor
Operating Temperature -51 to 177 degC (-60 to 351 degF)
Probe Tip Material Polyphenylene sulfide (PPS)
Probe Case Material AISI 304 stainless steel (SST)
Cable Impedance & Type 75 ohm triaxial, fluoroethylene propylene (FEP) insulated
Connector System Miniature coaxial ClickLoc with protective sleeve
Manufacturer Bently Nevada (Baker Hughes)
Country of Origin United States
Shipping Weight (Calculated) 1.0 kg
Package Dimensions (Calculated) 250 mm x 200 mm x 50 mm

Connections and Interfaces

Connection Element Function / Circuit Assignment
Coaxial Center Pin High-frequency RF signal path (dynamic measurement return)
Coaxial Outer Shield Common ground return and electromagnetic noise shielding
Connector Protector Environmental moisture and mechanical locking shield

Empirical Engineering Insights

Alternative Models & Compatibility

The 11 mm proximity probe system has a larger linear range (4.0 mm) compared to standard 8 mm probes (2.0 mm). Always match this probe with a dedicated 3300 XL 11 mm Proximitor Sensor. Intermixing an 11 mm probe with an 8 mm Proximitor sensor will cause extreme scale factor errors and render the displacement readings inaccurate.

Application Pitfalls & Engineering Notes

The FluidLoc cable specification (Option 11) is critical for installations where the machine case operates under oil mist or slight pressure differential. Non-FluidLoc cables can allow oil to bypass internal barriers via capillary action inside the cable jacket, resulting in contamination of the external junction box over long operational intervals.

Commissioning & Wiring Tips

During initial commissioning, avoid over-torquing the ClickLoc coaxial connection. Hand-tighten until a positive click is felt, then slide the connector protector sleeve firmly over the joint. To prevent interference issues, ensure that the extension cable shield is single-point grounded at the monitor rack, and not grounded inside the local junction box.

Installation Guidelines

CRITICAL WARNING

Isolate and de-energize the rotating machinery before beginning installation. Ensure zero electrical potential on any adjoining sensor circuits. Never let the probe tip make physical contact with the target face during shaft rotation, as this will immediately destroy the PPS sensor face.

1

Mounting Verification

Secure the unthreaded probe body into your specialized mounting sleeve or bracket, ensuring the face of the probe is fully parallel to the target shaft surface.

2

Mechanical Gap Setting

Carefully thread the probe inward. Use a voltmeter monitoring the Proximitor's terminal output (OUT and COM) to set the gap to the physical midpoint of the linear range (nominally -10 VDC output).

3

Securing Locknuts

Once the target electrical gap is achieved, secure the locknuts to prevent axial slip. Avoid exceeding the specified torque limits to preserve the housing threads.

4

Connecting ClickLoc Coax

Join the coaxial ClickLoc terminal to the extension cable and slide the protection sleeve over the union to secure against ingress.

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What is the primary function of the FluidLoc cable option on this probe?

The FluidLoc cable (Option 11) is engineered with internal barriers that prevent lubricating oil, water, or gases from leaking through the inside of the coaxial cable sheath into the dry connection boxes.

Can I use this 11 mm probe with an 8 mm Proximitor sensor?

No. The 11 mm probe has a larger linear range (4.0 mm) and different electrical characteristics. Mixing it with an 8 mm Proximitor sensor will cause major calibration mismatches and unusable measurements.

What is the recommended gap voltage during calibration?

For a standard 3300 XL 11 mm system, the nominal center of the linear range corresponds to -10 VDC at the Proximitor output terminal.

How do I secure the ClickLoc connector assembly?

Align the miniature coaxial connectors, press together until they lock with a click, and then slide the connector protector sleeve completely over the junction to seal it from contaminants.

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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