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Product Introduction
The Bently Nevada 330703-000-120-10-02-00 3300 XL 11 mm Proximity Probe is a precision-engineered, non-contact displacement and vibration measurement sensor designed for use in high-performance industrial machinery monitoring systems. As part of the Bently Nevada 3300 XL Series, this probe provides accurate shaft vibration, position, and clearance measurements, ensuring optimal protection and condition monitoring of rotating equipment.
This model represents the latest generation of proximity probes, incorporating advanced shielding, improved linearity, and robust construction. The 11 mm probe tip allows for greater target surface area detection, increased gap distance capability, and high accuracy across a wide operating range. Designed to interface seamlessly with Bently Nevada’s 3300 XL Proximitor Sensors and Extension Cables, it forms a complete transducer system that complies with API 670 standards.
The 330703-000-120-10-02-00 offers enhanced temperature and vibration resistance, making it suitable for critical equipment such as turbines, compressors, generators, and pumps. It provides stable operation even under harsh industrial environments, ensuring long-term reliability and precise machinery diagnostics.
Technical Specifications
| Parameter | Description |
|---|---|
| Model Number | 330703-000-120-10-02-00 |
| Series | 3300 XL 11 mm Proximity Probe |
| Probe Tip Diameter | 11 mm |
| Measurement Range | 0.25 mm to 2.0 mm (linear range) |
| Linearity | ±1% of full-scale output |
| Sensitivity | 200 mV/mil (7.87 mV/μm) |
| Frequency Range | 0 to 10 kHz |
| Temperature Range | -35°C to +177°C |
| Probe Thread | M14 × 1.5 or ¾-20 UNF (depending on configuration) |
| Mounting Type | Threaded case with locknut for secure installation |
| Target Material | AISI 4140 steel or equivalent conductive surface |
| Power Supply | Supplied via the Proximitor Sensor |
| Electrical Isolation | Between probe tip and shield |
| Environmental Protection | Fully sealed, oil- and moisture-resistant |
| Compliance | API 670 and CE compliant |
| Cable Type | Coaxial cable with optional armor protection |
| Vibration Limit | 50 g peak-to-peak |
| Insulation Resistance | >10⁹ Ω between probe and shield |
| Shielding | Double-shielded design for superior EMI protection |
| Weight | 0.07 kg |
Applications
The Bently Nevada 330703-000-120-10-02-00 Proximity Probe is used in a wide variety of applications that demand precise and reliable monitoring of rotating machinery. It forms an essential part of predictive maintenance and protection systems for critical equipment.
Common applications include:
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Turbine vibration and position monitoring in power generation systems.
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Compressor and pump monitoring for industrial and petrochemical processes.
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Bearing and rotor displacement measurement in high-speed rotating machines.
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Axial and radial shaft movement detection in steam, gas, and hydro turbines.
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Condition monitoring and diagnostics for rotating machinery health assessment.
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Integration with Bently Nevada 3500 Series Monitoring Systems for comprehensive machinery protection.
Its rugged construction and superior signal stability ensure consistent measurement accuracy even under high temperatures, heavy vibration, and oil-contaminated environments.
Product Advantages
The Bently Nevada 330703-000-120-10-02-00 proximity probe provides several technical and operational benefits that make it a global standard for machinery protection applications.
Key advantages include:
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High Measurement Accuracy: Exceptional linearity and repeatability across full operating range.
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Robust Design: Resistant to oil, vibration, and high temperatures, ensuring long service life.
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Superior Signal Integrity: Double-shielded coaxial cable eliminates EMI interference.
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API 670 Compliance: Fully meets international standards for machinery protection systems.
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Wide Operating Temperature Range: Performs reliably from -35°C to +177°C.
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Interchangeability: Fully compatible with all 3300 XL Proximitor Sensors and extension cables.
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Maintenance-Free Operation: Non-contact design eliminates wear, ensuring long-term stability.
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Compact Installation: Slim and durable design allows integration into confined mounting spaces.
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Enhanced Reliability: Factory-calibrated for optimal accuracy and minimal drift.
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Versatile Application: Suitable for virtually all industrial machinery types requiring precision displacement measurement.
FAQ
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What is the function of the 330703-000-120-10-02-00 proximity probe?
It measures vibration, displacement, and position between the probe tip and a conductive target surface in rotating machinery. -
Which sensor system is this probe compatible with?
It is designed for use with the Bently Nevada 3300 XL Proximitor Sensors and extension cables. -
What is the output sensitivity of this probe system?
The standard system sensitivity is 200 mV/mil (7.87 mV/μm). -
Does the probe comply with API 670 standards?
Yes, it fully complies with the API 670 machinery protection standard. -
Can the probe operate in high-temperature environments?
Yes, it operates reliably within a temperature range of -35°C to +177°C. -
Is the probe shielded against electromagnetic interference (EMI)?
Yes, it features a double-shielded coaxial cable design for maximum EMI resistance. -
What type of target material provides the best accuracy?
The probe is calibrated for AISI 4140 steel or equivalent conductive materials. -
Is external power required for the probe?
No, power is supplied through the connected 3300 XL Proximitor Sensor. -
Can the probe be used in oil or contaminated environments?
Yes, the probe is oil-resistant and suitable for harsh industrial conditions. -
What is the linear measurement range of the probe?
The linear range extends from 0.25 mm to 2.0 mm, ensuring precise displacement readings.
Related or Similar Models
| Model | Description |
|---|---|
| 330703-000-070-10-02-00 | 3300 XL 11 mm proximity probe, 0.7-meter length |
| 330703-000-100-10-02-00 | 3300 XL 11 mm proximity probe, 1.0-meter length |
| 330703-000-150-10-02-00 | 3300 XL 11 mm proximity probe, 1.5-meter length |
| 330703-000-200-10-02-00 | 3300 XL 11 mm proximity probe, 2.0-meter length |
| 330703-000-300-10-02-00 | 3300 XL 11 mm proximity probe, 3.0-meter length |
| 330703-000-500-10-02-00 | 3300 XL 11 mm proximity probe, 5.0-meter length |
Popular Bently Nevada Models
| Model | Description |
|---|---|
| 330180-50-00 | 3300 XL Proximitor Sensor, 5-meter system length |
| 330130-040-00 | 3300 XL Extension Cable, 4-meter version |
| 3500/42M | Dual-channel vibration and position monitor |
| 3500/22M | Communication module for 3500 monitoring system |
| 3500/15 | Power supply module for 3500 rack systems |
| 330400 | Industrial accelerometer for vibration measurement applications |
