330104-00-07-10-02-05 Bently Nevada 3300 XL 8mm Proximity Probe

Product Overview

The Bently Nevada 330104-00-07-10-02-05 is a high-precision 3300 XL 8mm Proximity Probe featuring a metric M10 x 1 thread and integrated stainless steel armor. This sensor is a core component of the 3300 XL series, designed to measure radial vibration and axial position on fluid-film bearing machines. With its rugged construction and ClickLoc miniature coaxial connector, it provides superior signal stability and reliability in demanding industrial environments such as power plants and refineries.

Technical Configuration

• Manufacturer: Bently Nevada (Baker Hughes)
• Part Number: 330104-00-07-10-02-05
• Unthreaded Length: 00 mm
• Overall Case Length: 70 mm
• Total Length: 1.0 Meter (3.3 feet)
• Connector Type: Miniature coaxial ClickLoc (Standard Cable)
• Armor Option: Integrated Stainless Steel Armor
• Agency Approvals: CSA, ATEX, and IECEx Multi-certified (-05)

Technical Specifications

Mechanical & Environmental Protection

1. Metric Threading: The 330104 series utilizes a standard M10 x 1 metric thread. This specific model features a 70mm case length with no unthreaded portion, allowing for deep thread engagement up to 15mm within the machine case or housing. The robust build reflects a typical weight of 323 grams per meter, ensuring mechanical stability under vibration.

2. Advanced Materials: The probe tip is manufactured from Polyphenylene sulfide (PPS), a high-performance thermoplastic that resists chemical attack and moisture absorption. The probe case is constructed from 303 or 304 stainless steel, providing excellent corrosion resistance and mechanical strength.

3. ClickLoc Connector: The ClickLoc miniature coaxial connector is gold-plated for maximum conductivity and features a locking mechanism that prevents accidental disconnection due to high-frequency machine vibration.

Installation Guidelines

Recommended Gap Setting: For radial vibration monitoring, a nominal gap of -9 Vdc (approximately 1.27 mm or 50 mils) is recommended. This places the sensor in the center of its 2mm linear range for optimal measurement accuracy.

Hazardous Area Wiring: When used in intrinsically safe applications (Class I, Zone 0), the probe must be installed with approved zener barriers or galvanic isolators per Bently Nevada drawing 141092. For Division 2 / Zone 2 areas, non-incendive wiring practices must be followed.

Pressure Seal Caution: While the probe tip is rated for high temperatures, exposing the probe to temperatures below -34°C (-30°F) may compromise the Viton O-ring pressure seal. If your application involves significant differential pressure, contact technical support for verification.

Technical FAQs

Q1: What is the maximum distance between the probe and the Proximitor Sensor?
A1: The total length of the probe and extension cable must match the Proximitor Sensor's calibration (typically 5 or 9 meters). This specific probe is a 1.0-meter version, requiring a matching extension cable.

Q2: Is this probe compatible with standard 3300 XL Proximitor Sensors?
A2: Yes, it is fully compatible with the 3300 XL series, providing a scale factor of 7.87 V/mm (200 mV/mil).

Q3: How does the stainless steel armor protect the probe?
A3: The armor provides mechanical protection against crushing or abrasion for the internal coaxial cable, making it ideal for routing through harsh industrial areas or internal machine pathways.