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SKU:330707-00-25-10-02-00

330707-00-25-10-02-00 Bently Nevada 11mm Probe 1.0m Length

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  • Manufacturer: Bently Nevada

  • Product No.: 330707-00-25-10-02-00

  • Product Type: Proximity Probe

  • Product Origin: USA

  • Payment:T/T, Western Union

  • Weight: 250g

  • Shipping port: Xiamen

  • Warranty: 12 months

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Product Overview

The Bently Nevada 330707-00-25-10-02-00 is a high-performance 3300 XL 11mm proximity probe designed for critical machinery vibration and position monitoring. Utilizing eddy current technology, this non-contacting sensor provides precise displacement measurements for large-scale rotating equipment. With its 5/8-18 UNF threaded body and robust PPS tip, the 330707-00-25-10-02-00 is engineered for long-term reliability in extreme industrial environments, weighing approximately 0.25 kg depending on cable routing.

Technical Configuration

Model Analysis: 330707-00-25-10-02-00

  • 330707: 3300 XL 11mm Probe with 5/8-18 UNF thread (No Armor).
  • 00 Unthreaded Length: 0-inch unthreaded section.
  • 25 Case Length: 2.5-inch overall case length.
  • 10 Total Length: 1.0 meter (3.3 feet) integrated cable.
  • 02 Connector: Miniature coaxial ClickLoc™ connector, standard cable.
  • 00 Agency Approval: Standard version, no specific hazardous area approvals required.

Technical Specifications

Feature Specification
Linear Range 4.0 mm (160 mils)
Scale Factor 3.94 V/mm (100 mV/mil)
Resistance ($R_{PROBE}$) 5.9 Ω ± 0.5 Ω (at 1.0m)
Operating Temperature -52°C to +177°C (-62°F to +351°F)
Tip Material Polyphenylene sulfide (PPS)
Case Material AISI 304 Stainless Steel (SST)

Installation & Engineering Guide

Proper installation of the 11mm proximity probe is essential for valid machinery protection data:

  • Gap Setting: Standard calibration requires the probe to be gapped at approximately -9 Vdc (middle of the linear range) relative to the target material (typically 4140 steel).
  • Target Size: The 11mm probe requires a larger target area than the standard 8mm probe; ensure the target flat surface is at least 30.5 mm (1.2 in) in diameter.
  • Connector Care: The ClickLoc™ connector is gold-plated. Ensure it is finger-tight and clean. Avoid using pliers which can damage the miniature coaxial seal.
  • Cable Routing: Maintain a minimum bend radius of 25.4 mm (1.0 in) for the 75 Ω triaxial cable to prevent signal degradation.

Engineering Advantages

  • Extended Range: The 11mm tip offers double the linear range (4.0 mm) of a standard 8mm probe, ideal for applications with significant axial float or large thermal expansion.
  • Rugged Construction: The AISI 304 Stainless Steel case and PPS tip provide excellent resistance to moisture, oil, and chemical exposure common in steam turbine environments.
  • Signal Stability: Integrated FEP insulation and triaxial cable design provide high immunity to electronic noise and interference.
  • ClickLoc™ Technology: The self-locking connector prevents accidental loosening caused by machine vibration, ensuring a consistent electrical connection.

Technical FAQs

Q1: What is the difference between this 11mm probe and a standard 8mm probe?
A1: The 11mm probe (330707) provides a wider linear range of 160 mils compared to the 80 mils of the 8mm probe, though it requires a larger target area to achieve accurate results.

Q2: Is the 330707-00-25-10-02-00 compatible with older Bently Nevada monitors?
A2: Yes, it is fully compatible with 3300 and 3500 series vibration monitoring systems, provided the correct 3300 XL 11mm Proximitor® sensor is used.

Q3: Does this model include armor?
A3: No, this specific configuration (330707) features a standard FEP cable without stainless steel armor. For armored versions, look for model 330708.

Product Resources

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🏷️ Tags: Proximity Probe

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