Product Introduction
The Bently Nevada 330703-000-070-10-02 3300 XL 11 mm Proximity Probe is a premium non-contact displacement sensor designed for accurate and continuous monitoring of shaft vibration, rotor position, and dynamic movement in critical rotating machinery. Belonging to the industry-leading 3300 XL series, this probe ensures exceptional performance in demanding environments such as power generation plants, petrochemical facilities, and heavy industrial machinery. Its rugged stainless-steel body and advanced ceramic sensing tip provide reliable long-term operation while maintaining high signal integrity for predictive maintenance and machine protection systems.
Product Specifications
| Parameter | Description |
|---|---|
| Model Number | 330703-000-070-10-02 |
| Series | 3300 XL Proximity Probes |
| Measurement Range | 11 mm non-contact displacement |
| Sensitivity | 5 mV/µm nominal |
| Frequency Response | DC to 10 kHz |
| Linearity | ±1 % of full scale |
| Insulation Resistance | >100 MΩ at 500 V DC |
| Dielectric Strength | 2.5 kV AC for 1 minute |
| Operating Temperature | –40 °C to +120 °C |
| Housing Material | Stainless steel |
| Probe Tip Material | High-density ceramic |
| Shock/Vibration Rating | Up to 20 g, 10–2000 Hz |
| Output Compatibility | Bently Nevada 3300 XL Proximitor® sensors |
| Mounting Style | Precision threaded mounting |
| Total Length | 1 meter |
| Weight | 0.07 kg |
Applications
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Turbomachinery Monitoring – Measures radial or axial shaft vibration and displacement for turbines and compressors.
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Power Generation – Ensures continuous generator shaft monitoring to prevent unexpected downtime.
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Petrochemical Processing – Provides reliable data for compressors, pumps, and critical refinery equipment.
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Industrial Motors & Pumps – Detects misalignment, imbalance, and bearing wear to support predictive maintenance.
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Heavy Rotating Equipment – Supports troubleshooting of rotor bow, shaft whip, and dynamic movement.
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Retrofit and System Upgrades – Fully compatible with existing 3300 XL infrastructure for easy integration.
Advantages
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High Accuracy and Stability – Maintains ±1 % linearity across the entire measurement range.
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Rugged Industrial Design – Stainless-steel housing and ceramic tip withstand corrosive or abrasive environments.
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Superior EMI Protection – Multi-layer shielding minimizes electromagnetic interference in noisy industrial areas.
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Predictive Maintenance Ready – Enables early detection of vibration issues to reduce unplanned downtime.
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Seamless Integration – Pre-calibrated for direct connection to 3300 XL Proximitor® sensors.
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Wide Temperature Tolerance – Operates reliably from –40 °C to +120 °C for diverse installations.
Frequently Asked Questions (FAQ)
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What sensing principle does this probe use?
Eddy-current technology is employed to detect precise shaft-to-probe distance. -
Is it directly compatible with all 3300 XL Proximitor® sensors?
Yes, it is factory-calibrated to operate seamlessly with any 3300 XL Proximitor®. -
What is the nominal output sensitivity?
The probe provides approximately 5 mV/µm of shaft movement. -
How is electromagnetic interference minimized?
The probe features multi-layer shielding and precision connectors for optimal signal integrity. -
Can it be used for both radial and axial displacement monitoring?
Yes, orientation of installation determines whether radial or axial motion is measured. -
Does the probe require on-site calibration after installation?
No, it is pre-calibrated; only routine system checks are recommended. -
What type of target surface ensures best accuracy?
Conductive ferromagnetic materials such as steel are recommended for optimal readings. -
Is the probe suitable for continuous 24/7 operation?
Yes, it is engineered for permanent installation and continuous monitoring. -
What frequency range can the probe accurately detect?
The probe offers a flat response from DC up to 10 kHz. -
How does it perform in high-vibration environments?
It withstands up to 20 g vibration across 10–2000 Hz without loss of accuracy.
Related Models – Same Series
| Model | Description |
|---|---|
| 330703-000-040-50-11-00 | 3300 XL 11 mm probe, reverse-mount configuration |
| 330703-000-040-90-01-00 | 3300 XL 11 mm probe with extended cable length |
| 330703-000-040-90-01-CN | 3300 XL 11 mm probe with CN regional configuration |
| 330703-000-050-10 | 3300 XL 11 mm probe, standard 1 m length |
| 330702-00-30-10-02-00 | 3300 XL 8 mm proximity probe |
| 330702-00-30-50-01-05 | 3300 XL 8 mm probe with long cable |
Popular Bently Nevada Models
| Model | Description |
|---|---|
| 330525-02-00 | Velomitor XA Piezo-Velocity Sensor |
| 330525-00 | Velomitor XA Piezo-Velocity Sensor |
| 330450-20 | High-Temperature Accelerometer |
| 330300-90-00 | High-Temperature Proximitor® Sensor |
| 330302-000-050-10-90-01-00 | High-Temperature Proximity Probe |
| 330535-25-01 | Standard Temperature Extension Cable |
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