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Product Introduction
The Bently Nevada 330101-00-28-05-02-00 is a precision-engineered component of the 3300 XL 8 mm Proximity Transducer System, one of the most widely adopted non-contact sensing solutions in the industrial world. Designed by GE’s Bently Nevada, this model offers a robust, accurate means of measuring shaft displacement and vibration for critical rotating machinery.
This proximity probe uses the eddy current principle to detect relative motion between the probe tip and the rotating shaft, delivering real-time feedback essential for condition monitoring and machinery protection systems. The 330101-00-28-05-02-00 features a 0.5 meter total length, and a 75-ohm connector, optimized for compatibility with a wide range of Proximitor sensors.
Technical Specifications
| Parameter | Description |
|---|---|
| Model Number | 330101-00-28-05-02-00 |
| Series | 3300 XL 8 mm |
| Measurement Principle | Eddy Current (non-contact displacement) |
| Probe Tip Diameter | 8 mm |
| Total Length | 0.5 meter |
| Connector Type | 75-ohm miniature coaxial connector |
| System Compatibility | 3300 XL Proximitor Sensor and Bently Nevada 3300 monitoring systems |
| Linear Range | 2 mm (80 mils) |
| Accuracy | ±0.25% over linear range |
| Material (Housing) | AISI 304 stainless steel |
| Cable Type | Armored coaxial cable |
| Temperature Range | –35°C to +177°C (–31°F to +350°F) |
| Environmental Rating | IP68 (with proper assembly) |
| Shock Resistance | Up to 10,000 g |
| Weight | 0.161 kg |
Product Applications
The Bently Nevada 330101-00-28-05-02-00 is an industry-standard proximity probe, relied upon for a broad range of vibration and displacement monitoring tasks in:
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Oil & Gas Sector – for axial thrust and radial vibration monitoring in compressors and turbines.
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Power Generation – for turbine shaft alignment and dynamic displacement.
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Petrochemical Plants – for machinery protection in high-speed rotating equipment.
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Steel & Mining – to detect shaft movement and vibration in motors and crushers.
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Marine & Offshore Platforms – monitoring propulsion and auxiliary systems.
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Paper Mills & Process Plants – measuring shaft vibration on pumps, fans, and gearboxes.
Product Advantages
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Extended Reach: The 28-inch probe allows deep placement into machinery, making it suitable for large-frame equipment.
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Field-Proven Durability: Armored cable and stainless steel construction ensure long service life even in corrosive or high-vibration settings.
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Superior Linearity: Designed to maintain ±0.25% non-linearity over the full linear range, which ensures measurement consistency.
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Wide Compatibility: Fully integrates with existing 3300 XL Proximitor Sensors and legacy systems.
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Minimal Maintenance: Requires no recalibration and only basic periodic inspection.
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Extreme Environment Tolerance: Operates flawlessly under temperature extremes and in the presence of oil or moisture.
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Standardized Design: Simplifies inventory and replacement planning across facilities.
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API 670 Compliant: Suitable for use in API-compliant protection systems.
Frequently Asked Questions (FAQ)
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What does the part number 330101-00-28-05-02-00 mean?
It refers to a 3300 XL proximity probe with 0.5 meter total length and a 75-ohm connector. -
What kind of sensor does this probe connect to?
It connects to the Bently Nevada 3300 XL Proximitor Sensor. -
What’s the benefit of a 28-inch probe length?
It allows the probe to reach measurement points deep inside large equipment housings. -
Can this model be used in hazardous environments?
Yes, it’s built for harsh industrial settings and meets IP68 protection when properly assembled. -
Is the probe field replaceable?
Yes, but proper procedures and alignment checks must be followed during replacement. -
What’s the difference between 50-ohm and 75-ohm connectors?
The impedance must match the Proximitor Sensor; 75-ohm is often used for longer cable lengths or legacy systems. -
Can it be used to measure both axial and radial motion?
Yes, it supports both, depending on the installation orientation. -
Does it need calibration?
No user calibration is required. Factory calibration ensures long-term accuracy. -
What maintenance does the probe require?
Occasional visual inspection for damage or oil buildup is sufficient. -
How long can this probe operate without failure?
Many probes function reliably for 5–10 years, especially when installed correctly and in clean conditions.
Recommended Related Models (Same Series or Functional Equivalents)
| Model Number | Probe Length | Cable Length | Connector Type | Application Note |
|---|---|---|---|---|
| 330101-00-20-10-02-00 | 20 in | 10 ft | 75-ohm | Mid-length for compressors |
| 330101-00-12-05-02-00 | 12 in | 5 ft | 75-ohm | Short length for close proximity access |
| 330101-00-08-10-02-05 | 8 in | 10 ft | 50-ohm | For small machines with API compatibility |
| 330101-00-18-05-02-00 | 18 in | 5 ft | 75-ohm | For axial and radial vibration monitoring |
| 330104-00-12-10-02-05 | 12 in (5 mm tip) | 10 ft | 50-ohm | Compact tip for tight installations |
| 330103-00-07-05-02-00 | 7 in (11 mm tip) | 5 ft | 75-ohm | For large shaft surfaces |
Popular Models from Bently Nevada (Same Brand)
| Model Number | Product Type | Description | Primary Use |
|---|---|---|---|
| 3500/42M | Vibration Monitor Module | Dual-channel monitor for radial and axial vibration | Machinery protection systems |
| 3500/22M | Communication Gateway | Data interface for 3500 series rack systems | Remote data access |
| 3300 XL 5 mm Probe | Proximity Probe | Smaller tip diameter for compact installations | High-speed small shaft monitoring |
| 330400 | High-frequency Accelerometer | Seismic sensor for bearing cap vibration | Gearbox and motor monitoring |
| 990-05-70-01-00 | Keyphasor Module | Shaft speed and phase detection | Phase reference in rotors |
| 330850-50-05 | Dual Vibration/Position Probe | Combines radial and axial sensing in one unit | Turbomachinery thrust bearings |
