Excellent PLC
Product Introduction
The Bently Nevada 330904-08-15-10-02-05 3300 NSv Proximity Probe is a precision non-contact vibration and displacement sensor designed for critical machinery protection and condition monitoring. Part of the 3300 NSv (Narrow Side View) family, this model is optimized for installations where space is limited but high measurement accuracy is essential. Its advanced eddy-current technology provides real-time detection of shaft vibration and positional changes, helping operators prevent costly equipment failures. Engineered to withstand harsh industrial environments, the probe integrates seamlessly with Bently Nevada monitoring systems, delivering consistent and reliable performance for turbines, compressors, motors, and other rotating assets.
Technical Specifications
| Parameter | Description |
|---|---|
| Model Number | 330904-08-15-10-02-05 |
| Series | 3300 NSv Proximity Probe |
| Total Length | 1 meter |
| Weight | 0.15 kg |
| Sensing Principle | Eddy current, non-contact displacement measurement |
| Tip Diameter | 5 mm (nominal) |
| Linear Range | 0.25 mm to 2.0 mm (dependent on target material) |
| Sensitivity | 7.87 V/mm ±5% |
| Frequency Response | 0 to 10 kHz (typical) |
| Operating Temperature | –35 °C to +177 °C |
| Probe Material | Hermetically sealed stainless steel |
| Insulation Resistance | >10 MΩ at 500 VDC |
| Power Supply | Requires compatible Bently Nevada proximitor |
| Connector Type | Standard Bently Nevada miniature coaxial |
| Mounting Thread | M10 × 1.0 or 3/8-24 UNF (varies by configuration) |
| Compliance | CE, RoHS, and ATEX certified for hazardous areas |
Applications
The 330904-08-15-10-02-05 probe is widely used across industries that demand precise vibration and position monitoring:
-
Gas and Steam Turbines – Detects shaft displacement and vibration to safeguard against imbalance or misalignment.
-
Compressors and Pumps – Provides early detection of bearing degradation and mechanical looseness.
-
Motors and Generators – Ensures accurate rotor dynamics tracking for predictive maintenance.
-
Gearboxes and Fans – Monitors gear mesh and shaft vibration for stable performance.
-
OEM Machinery – Fits compact spaces for custom machinery and high-density installations.
Advantages
-
Exceptional Accuracy: High-sensitivity eddy-current sensing ensures precise displacement measurement.
-
Compact Design: Narrow Side View (NSv) profile allows installation in tight or confined locations.
-
Rugged Construction: Stainless steel housing and hermetic sealing provide protection in corrosive or high-humidity conditions.
-
Reliable Integration: Fully compatible with Bently Nevada 3300 series monitoring systems for easy setup and calibration.
-
Wide Temperature Range: Operates effectively from –35 °C to +177 °C, suitable for extreme industrial environments.
-
Low Maintenance: Non-contact design reduces wear and eliminates the need for frequent mechanical servicing.
FAQ
-
What target material is recommended for accurate calibration?
The probe is factory-calibrated for AISI 4140 steel; other ferromagnetic materials may require system recalibration. -
What is the maximum permissible extension cable length?
The system supports extensions up to 9 meters when paired with a compatible Bently Nevada proximitor. -
Is the probe certified for hazardous area installation?
Yes, it complies with ATEX and CE standards for Zone 1 hazardous locations when used with approved accessories. -
How does operating temperature affect signal accuracy?
The probe is temperature-compensated to minimize measurement drift across the full operating range. -
What is the output sensitivity when paired with a standard proximitor?
The output is typically 200 mV per mil (7.87 V/mm) with ±5% tolerance. -
Can it measure both dynamic vibration and static shaft position?
Yes, the probe provides simultaneous vibration and position data. -
What is the recommended cable bend radius during installation?
A minimum bend radius of 25 mm is recommended to maintain cable integrity. -
Does the system require regular calibration checks?
Calibration is generally only required after component replacement or significant configuration changes. -
Is the probe shielded against electromagnetic interference (EMI)?
Yes, its coaxial cable design provides excellent EMI resistance. -
Can this probe operate with older Bently Nevada monitoring systems?
Yes, it is compatible with earlier series when the appropriate proximitor and calibration procedures are applied.
Related Models in the Same Series
| Model | Description |
|---|---|
| 330904-05-14-05-02-00 | 3300 NSv probe, 0.5 m cable length |
| 330904-00-14-10-02-00 | Standard NSv probe with 1 m cable |
| 330904-05-10-05-02-00 | Short-range NSv probe for compact installations |
| 330909-00-05-05-02-00 | High-temperature NSv probe |
| 330930-040-01-00 | Extended linear range model for large shaft diameters |
| 330878-90-00 | NSv probe with armored cable for extra mechanical protection |
Popular Bently Nevada Models
| Model | Application |
|---|---|
| 3500/22M | Rack Interface Module for advanced machinery monitoring |
| 330105-02-12-10-02-00 | Standard proximity probe for general industrial use |
| 330400 | High-performance accelerometer for vibration detection |
| 330500 | Velocity transducer for industrial rotating equipment |
| 330780-91-05 | Proximitor sensor for high-precision displacement |
| 3500/42M | Vibration monitor with advanced diagnostics |
