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Product Introduction
The Bently Nevada 330105-02-12-10-12-05 is part of the trusted 3300 XL 8 mm Reverse Mount Probes series, developed by Bently Nevada – a brand under Baker Hughes. These probes are designed for demanding industrial environments, delivering reliable proximity measurement for rotating machinery. They are often employed for vibration and position monitoring in applications such as turbines, compressors, pumps, and gearboxes.
This specific model features an 8 mm tip diameter, reverse mounting configuration, and is fully compatible with 3300 XL series systems. It uses the proven eddy current principle to measure the distance between the probe tip and a conductive target such as a rotating shaft.
Bently Nevada has engineered this probe to deliver outstanding performance in harsh environments, including high-temperature, high-vibration, and corrosive conditions. Its reverse mount design is especially suitable for installations with limited access from the front.
Technical Specifications
| Parameter | Value |
|---|---|
| Model Number | 330105-02-12-10-12-05 |
| Series | Bently Nevada 3300 XL 8 mm |
| Mounting Type | Reverse Mount |
| Probe Tip Diameter | 8 mm |
| Case Material | AISI 303 Stainless Steel |
| Tip Material | Polyphenylene Sulfide (PPS), non-metallic |
| Thread Size | 3/8-24 UNF-2A |
| Thread Length | 2.0 inches (50.8 mm) |
| Total Length | 1.0 meters |
| Connector Type | Miniature coaxial, non-armored |
| Measurement Range | 0.5 mm to 2 mm (Typical), ±0.125 in. (±3.2 mm) |
| Linear Range | 2 mm (80 mils) |
| Frequency Response | 0 to 10 kHz (typical) |
| Sensitivity | 7.87 mV/μm (200 mV/mil) |
| Operating Temperature Range | −35°C to +177°C (−31°F to +350°F) |
| Storage Temperature | −51°C to +177°C (−60°F to +350°F) |
| Weight | 0.323 kg |
| Insulation Resistance | > 10⁹ Ohms @ 500 VDC |
| Shock & Vibration Rating | Up to 50g, 10–2000 Hz |
| IP Rating | IP68 (when properly installed) |
Applications
The Bently Nevada 330105-02-12-10-12-05 probe is widely used in critical condition monitoring systems across various industries. Some of the key application areas include:
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Gas and Steam Turbines: Shaft vibration and axial position monitoring
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Centrifugal Compressors: Rotor dynamic monitoring
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Industrial Pumps: Vibration monitoring to detect cavitation or bearing issues
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Gearboxes: Detecting misalignment, gear wear, and imbalance
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Motors and Generators: Ensuring optimal rotor positioning and shaft stability
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Refineries and Petrochemical Plants: Continuous machine protection in hazardous environments
Its reverse mounting capability is ideal for tight installation areas or back-end shaft configurations.
Product Advantages
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Proven Eddy Current Technology: Delivers accurate non-contact measurements in demanding conditions.
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Rugged Construction: Engineered for tough environments with temperature and vibration resistance.
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High Compatibility: Fully integrates with 3300 XL monitors and systems for seamless setup.
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Reverse Mount Design: Facilitates installation in areas with limited front-end access.
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High Sensitivity & Stability: Maintains excellent linearity over its full measurement range.
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Reduced Downtime: Enhances predictive maintenance efforts, preventing unplanned outages.
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Long Operational Life: Built from high-quality materials, reducing replacement frequency.
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Industry Standard Compliance: Trusted in machinery protection systems globally.
Latest News Titles (Sample Headlines)
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“Bently Nevada Expands 3300 XL Series With Enhanced Reverse Mount Options”
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“Reliability First: Bently Nevada Probes Deployed in Middle East LNG Plants”
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“Proximity Probes See Boost in Demand Amid Industry Shift to Predictive Maintenance”
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“Baker Hughes Highlights 3300 XL Line at Offshore Technology Conference”
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“Refinery Upgrades to Bently Nevada Vibration Monitoring Solutions”
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“Global Power Plants Adopt 330105 Reverse Mount Sensors for Shaft Monitoring”
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“Advanced Probe Design Improves Safety in Critical Rotating Machinery”
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“Condition Monitoring Trends 2025: Proximity Sensors Lead the Charge”
Frequently Asked Questions (FAQ)
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What is the function of the 330105-02-12-10-12-05 probe?
This probe measures the proximity (or vibration) of a rotating shaft relative to the probe tip, using eddy current technology. -
Is this probe compatible with 3300 XL systems?
Yes, it is fully compatible with 3300 XL extension cables and proximity sensor drivers. -
What does the “reverse mount” mean?
Reverse mount allows the probe to be installed from the back side of the mounting location, ideal for space-constrained environments. -
What is the typical measurement range?
The linear measurement range is up to 2 mm (80 mils). -
Can this probe operate in high-temperature environments?
Yes, it supports continuous operation up to 177°C (350°F). -
Is it suitable for hazardous or industrial environments?
Yes, the IP68 rating ensures it can perform reliably in harsh industrial conditions. -
How is this probe installed?
It uses a threaded body for mounting. Installation requires proper alignment and secure connection to a compatible extension cable. -
Does the probe require calibration?
Factory-calibrated, though system calibration is recommended after installation with corresponding drivers. -
What materials are used in the probe tip and body?
The tip is made from high-performance polymer (PPS), and the body is stainless steel (AISI 303). -
What cable length options are available?
The model includes a 1.0 meters cable, with other lengths available on request.
Related Models in the Same Series
| Model Number | Description | Mounting Type | Cable Length | Tip Diameter |
|---|---|---|---|---|
| 330105-02-12-10-02-05 | Standard reverse mount probe, 2 ft cable | Reverse | 2 ft | 8 mm |
| 330105-02-12-10-05-05 | Reverse mount, 5 ft cable | Reverse | 5 ft | 8 mm |
| 330105-02-12-10-15-05 | Reverse mount, 15 ft cable | Reverse | 15 ft | 8 mm |
| 330104-00-12-10-02-00 | Forward mount probe, 2 ft cable | Forward | 2 ft | 8 mm |
| 330104-00-12-10-10-00 | Forward mount, 10 ft cable | Forward | 10 ft | 8 mm |
| 330130-040-00-00 | XL extension cable, 4 meters | Forward | 4 m | 8 mm |
| 330180-90-00 | XL Proximitor Sensor | Forward | 4 m | 8 mm |
| 330106-05-30-05-02-00 | High-temperature probe variant | Forward | 5 ft | 8 mm |
Popular Models from Bently Nevada
| Model Number | Description | Application | Measurement Type |
|---|---|---|---|
| 3500/22M | Transient Data Interface (TDI) | System Monitoring | Communication Gateway |
| 3500/42M | Proximitor Monitor | Vibration Monitoring | Proximity/Vibration |
| 3300 XL NSv Probe | Narrow surface area probes | Small Shaft Monitoring | Proximity |
| 330130-080-00-00 | Extension Cable, 8 m | Probe Connection | Proximity |
| 3300 XL 11 mm Probe | Large tip proximity probe | Oversized Shaft Monitoring | Proximity |
| 330180-51-00 | Proximitor Sensor | General Machinery | Eddy Current |
| 3500/05 | System Rack | Central Rack Mount | Eddy Current |
| 3500/60 | Temperature Monitor | Temperature Monitoring | RTD / TC Input |
