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Product Introduction
The Bently Nevada 330140-XX-XX-10-02-05 Proximity Probe is a high-precision non-contact displacement sensor designed for the continuous monitoring of rotating machinery such as turbines, compressors, pumps, and generators. It is part of the renowned Bently Nevada 3300 XL Proximity Transducer System, known worldwide for its reliability, accuracy, and durability in harsh industrial environments.
This probe operates on the eddy current principle, using a magnetic field to measure the distance between the probe tip and a conductive target surface, typically a rotating shaft. It converts mechanical movement into an electrical signal proportional to displacement or vibration.
The 330140 series probes are designed to meet API 670 standards, ensuring exceptional linearity, stability, and interchangeability. Combined with a matching extension cable and proximity sensor, the system delivers a precise output compatible with Bently Nevada monitoring systems such as the 3500 Series.
Built to withstand oil, moisture, and high temperatures, the 330140-XX-XX-10-02-05 model is ideal for continuous vibration, position, and phase reference monitoring in critical machinery protection systems.
Product Specifications
| Parameter | Description |
|---|---|
| Product Model | 330140-XX-XX-10-02-05 |
| Manufacturer | Bently Nevada (GE Measurement & Control) |
| Product Type | Proximity Probe |
| Measurement Principle | Eddy Current, Non-Contact Displacement |
| System Compatibility | Bently Nevada 3300 XL Transducer System |
| Nominal Linear Range | 2 mm (80 mils) |
| Linear Range Accuracy | ±5% over full range |
| Proximity System Sensitivity | 7.87 V/mm (200 mV/mil) |
| Frequency Response | DC to 10 kHz |
| Nominal Gap (Target Distance) | 1.0 mm (40 mils) |
| Target Material | AISI 4140 or equivalent conductive steel |
| Probe Tip Diameter | 8 mm (standard) |
| Thread Size | M10 × 1 or 3/8-24 UNF (depending on version) |
| Extension Cable | Matched 330130 or 330132 series |
| Temperature Range (Probe) | -35°C to +180°C |
| Temperature Range (Cable) | -35°C to +150°C |
| Environmental Protection | Hermetically sealed, epoxy-filled, corrosion-resistant |
| Insulation Resistance | >10 MΩ at 500 VDC |
| Electrical Connector Type | Standard coaxial connector with keyway |
| Material | Stainless steel body and PEEK tip |
| Vibration Tolerance | Up to 50 g, 10–2,000 Hz |
| Shock Resistance | 500 g peak (11 ms half-sine) |
| Power Requirements | Supplied through proximity sensor (no external supply) |
| Linearity Deviation | ±1% typical |
| Mounting Options | Threaded or probe mounting brackets |
| Shipping Weight | 3 kg |
| Total Length | Optional |
| Compliance Standards | API 670, CE, RoHS |
| Protection Class | IP68 for probe and cable assembly |
Product Applications
The Bently Nevada 330140 Proximity Probe is specifically engineered for precision measurement and machinery protection applications. It is used across multiple industries where continuous condition monitoring is essential for safety, efficiency, and reliability.
Key application areas include:
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Turbomachinery Monitoring: Detects shaft vibration and axial position in turbines, compressors, and expanders.
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Rotating Equipment Diagnostics: Monitors bearing vibration and shaft runout in critical rotating machines.
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Generator and Motor Oversight: Ensures rotor alignment, prevents mechanical contact, and identifies imbalance or misalignment.
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Pump and Fan Systems: Used to monitor shaft displacement, wear, and imbalance.
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Process Industries: Provides feedback in oil & gas, petrochemical, and power generation sectors.
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OEM and Retrofit Projects: Ideal for integration in both new machinery and existing protection systems.
Product Advantages
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High Accuracy and Stability: Provides consistent linear response over a wide range of environmental conditions.
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Compliant with API 670: Fully meets industry standards for machinery protection and monitoring systems.
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Wide Operating Temperature Range: Withstands up to +180°C probe temperature for high-performance applications.
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Rugged Industrial Design: Stainless steel body and hermetically sealed construction offer superior corrosion resistance.
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Interchangeable Components: Fully interchangeable with other 3300 XL components (probes, cables, sensors).
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Excellent EMI/RFI Immunity: Engineered for environments with high electrical noise.
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Non-Contact Measurement: Ensures no physical wear on machinery surfaces, enhancing reliability and reducing maintenance.
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Flexible Configuration: Various lengths and thread options allow easy installation in confined or complex spaces.
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Fast Response Time: Suitable for dynamic vibration measurement and transient analysis.
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Trusted Brand Reliability: Proven field performance under Bently Nevada’s rigorous quality assurance standards.
FAQ
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What measurement principle does the 330140 probe use?
It operates using the eddy current principle, measuring displacement without physical contact. -
Which monitoring systems are compatible with this probe?
It is designed for use with the Bently Nevada 3300 XL Proximity Transducer System and compatible monitors such as the 3500 Series. -
What is the typical sensitivity of the probe system?
The standard sensitivity is 7.87 V/mm (200 mV/mil). -
Can the probe operate at high temperatures?
Yes, the probe can withstand operating temperatures up to +180°C. -
What kind of target material is recommended for accurate measurements?
The probe is calibrated for AISI 4140 steel or equivalent conductive materials. -
Is the probe compatible with other cable lengths or sensors?
Yes, but they must be factory-matched to ensure calibration accuracy. -
Does it require an external power source?
No, it receives excitation voltage from the associated proximity sensor. -
How does it handle electrical noise and interference?
It features excellent EMI and RFI immunity, making it suitable for electrically noisy industrial environments. -
Can this probe be used in high-vibration installations?
Yes, it can handle up to 50 g vibration levels and 500 g shock resistance. -
What is the environmental protection rating of the probe?
The probe is rated IP68, providing complete protection against dust and water ingress.
Related Models (Same Series or Equivalent)
| Model | Description | Cable Length | Sensitivity | Temperature Range |
|---|---|---|---|---|
| 330140-XX-XX-10-02-00 | Standard 3300 XL Probe | Custom | 7.87 V/mm | -35°C to +180°C |
| 330140-XX-XX-05-02-05 | Short Cable Version | Custom | 7.87 V/mm | -35°C to +180°C |
| 330140-XX-XX-15-02-05 | Long Cable Version | Custom | 7.87 V/mm | -35°C to +180°C |
| 330130-040-00-00 | Extension Cable | 4 m | — | -35°C to +150°C |
| 330132-080-00-00 | Extension Cable | 8 m | — | -35°C to +150°C |
| 330171-XX-XX-10-02-00 | High-Temperature Probe | Custom | 7.87 V/mm | -35°C to +200°C |
Popular Bently Nevada Models (Same Brand)
| Model | Description | Product Type | Key Feature |
|---|---|---|---|
| 330103-00-07-10-02-05 | Proximity Probe | Non-contact Sensor | 5 mm tip, 200 mV/mil sensitivity |
| 3500/42M | Vibration Monitor | Monitoring Module | Measures X-Y vibration and shaft position |
| 3500/22M | Transient Data Interface | Communication Module | High-speed data interface for diagnostics |
| 330180-51-00 | Proximity Sensor | Driver Module | Amplifies and conditions proximity signal |
| 330850-90-05 | Accelerometer | Vibration Sensor | Measures casing vibration for machinery protection |
| 3500/25 | Keyphasor Module | Phase Reference | Provides precise rotational phase reference signal |
