Bently Nevada 330105-02-12-90-02-05 3300 XL 8 mm Reverse Mount Probes

Product Introduction

The Bently Nevada 330105-02-12-90-02-05 is a precision-engineered proximity probe from the 3300 XL 8 mm Reverse Mount series, developed by Bently Nevada, a division of Baker Hughes. Known for reliability in critical rotating machinery monitoring, this probe is part of the flagship 3300 XL platform widely adopted across industries such as power generation, oil & gas, petrochemical, and heavy manufacturing.

This particular probe features an 8 mm tip diameter, reverse mount thread configuration, and a 2-foot cable length, terminated with a high-temperature-rated 90° connector. Designed to operate in harsh industrial environments, the unit ensures high accuracy and long-term stability for proximity and vibration measurements, based on proven non-contact eddy current technology.

The 330105-02-12-90-02-05 is an excellent choice for installations with space constraints and high vibration, making it ideal for rear-facing installations on turbines, compressors, motors, and more.

Technical Specifications

Applications

The 330105-02-12-90-02-05 probe is engineered for critical machine monitoring, offering both high accuracy and robust environmental resistance. Key application scenarios include:

• Steam and Gas Turbines – Shaft vibration and thrust position monitoring

• Centrifugal and Reciprocating Compressors – Rotor dynamic behavior, imbalance detection

• Electric Motors and Generators – Monitoring shaft alignment, bearing degradation

• High-Speed Gearboxes – Monitoring for tooth wear and shaft vibration

• Pumps – Used for early detection of cavitation or misalignment

• Petrochemical Processing Units – Continuous protection of rotating assets

• Hydro Turbines – Non-contact position sensing for large diameter shafts

Its compact form and reverse mount configuration make it ideal for applications where front-mounting is not feasible or where space constraints exist.

Product Advantages

• Reverse Mount Flexibility: Designed for rear-facing installations in compact or enclosed machine environments

• Rugged Design: Built to perform in harsh, high-temperature, and high-vibration environments

• Long Service Life: Engineered for durability, minimizing maintenance and replacement costs

• Industry-Leading Accuracy: Proven eddy current technology ensures reliable data over time

• High Compatibility: Integrates seamlessly with 3300 XL proximitor systems and extension cables

• Stable Sensitivity: Maintains consistent output across operating range and environmental conditions

• Compact 90° Connector: Ideal for installations with tight cable routing requirements

• Trusted in Industry: Backed by Bently Nevada’s global reputation in machine condition monitoring

Latest News Headlines

1. “Bently Nevada Expands Reverse Mount Probe Lineup with New 90° Cable Options”

2. “Condition Monitoring Advances: The Role of Proximity Sensors in 2025”

3. “Turbine Safety Gets Boost with New Bently Nevada Reverse Mount Technology”

4. “Bently Nevada Partners with LNG Operators to Deploy 3300 XL Monitoring”

5. “How Predictive Maintenance Saved a Refinery from Downtime—Thanks to Probes”

6. “New Probe Configurations Address Cabling Challenges in OEM Machinery”

7. “Baker Hughes Unveils Smart Monitoring Upgrade for 3300 XL Platform”

8. “Field Insights: 330105 Series Probes Prove Durable in Offshore Installations”

Frequently Asked Questions (FAQ)

1. What makes the 330105-02-12-90-02-05 different from standard 3300 XL probes?
   Its reverse mount thread and 90° connector make it better suited for installations with tight rear access or compact space.

2. Is this probe compatible with all 3300 XL proximitor systems?
   Yes, it’s fully compatible with the standard 3300 XL proximity transducers and extension cables.

3. What is the ideal cable routing for the 90° connector?
   The right-angle design allows the cable to exit perpendicular to the probe body, minimizing stress and improving routing in confined areas.

4. Can it be used in high-pressure or wet environments?
   Yes, when installed with proper fittings, it meets IP68 and supports pressure up to 200 psi.

5. Is the tip replaceable or serviceable?
   No, the probe is a sealed unit; replacement is recommended in case of damage.

6. How do I verify correct operation after installation?
   Use a calibrated target and measure output voltage using the Proximitor module to verify linearity and sensitivity.

7. What happens if the probe is exposed to oil or chemicals?
   Its materials are chemically resistant, but prolonged exposure should be minimized. Always check for compatibility.

8. Can this be used on large rotating shafts (over 100 mm)?
   Yes, it works well for large diameter shafts; ensure proper mounting distance and alignment.

9. Does the probe come calibrated?
   Yes, the probe is factory-calibrated for its standard range. Field calibration is typically not required.

10. Is this probe certified for use in hazardous areas?
    While the probe itself can operate in hazardous environments, proper installation and system certification (e.g., with proximitor and enclosure) are required.

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