Bently Nevada 330103-00-14-05-02-00 3300 XL 8mm Proximity Probe

Technical Function and System Role

The Bently Nevada 330103-00-14-05-02-00 is a high-precision eddy current sensor belonging to the 3300 XL 8mm Proximity Transducer System. This probe measures the microscopic distance (gap) between the sensor tip and a rotating target, such as a shaft, to monitor radial vibration and axial position. By converting physical displacement into a proportional voltage signal through a Proximitor Sensor, it provides critical data for the 3500 Monitoring System. Because of its non-contact design, it is essential for protecting fluid-film bearing machines from damage caused by unbalance, misalignment, or shaft instability.

Detailed Configuration Specifications

• Brand: Bently Nevada
• Model Number: 330103-00-14-05-02-00
• Probe Type: 3300 XL 8mm Proximity Probe
• Thread Type: 3/8-24 UNF English Thread
• Unthreaded Length: 0.0 inches
• Overall Case Length: 1.4 inches
• Total Cable Length: 0.5 meters
• Connector Option: Miniature coaxial ClickLoc connector with connector protector
• Agency Approval: No hazardous area approvals
• Linear Range: 2.0 mm
• Incremental Scale Factor (ISF): 7.87 V/mm
• Operating Temperature: -51°C to +177°C

Industrial Benefits and Performance Characteristics

Maintenance engineers prefer the 330103-00-14-05-02-00 for its exceptional stability in extreme industrial environments. The probe tip is constructed from polyphenylene sulfide (PPS), which provides a chemical-resistant and moisture-proof seal. Furthermore, the 3300 XL series is designed to be fully interchangeable with older non-XL components, allowing for easy upgrades without needing to recalibrate the entire monitoring loop. This reliability makes the probe a standard choice for:

• Radial vibration monitoring on steam and gas turbines
• Axial thrust position measurement in high-speed compressors
• Eccentricity and shaft alignment diagnostics
• Speed and Keyphasor reference signal generation

Installation and System Integration

For a standard 5.0-meter measurement system, this 0.5-meter probe must be paired with a 4.5-meter extension cable. The “ClickLoc” connector (02 option) features a gold-plated, finger-tight locking mechanism that ensures a vibration-resistant connection. Additionally, the included connector protector provides a mechanical seal that prevents lubricating oil and environmental contaminants from entering the coaxial connection. This protective layer is vital for maintaining signal integrity and preventing ground loops, ensuring that the 3500 rack receives accurate, noise-free data for machinery protection.