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- Bently Nevada
- 330704-00-70-10-02-00
- 3300 XL 11 mm Proximity Probe
- USA
- 1 meter
- 0.17 kg
- Xiamen, China
- New & In Stock
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Product Overview
Reliable machinery condition monitoring is fundamental to ensuring safe and efficient operation in industrial facilities. The Bently Nevada 330704-00-070-10-02-00 3300 XL 11 mm Proximity Probe is a precision non-contact displacement sensor specifically designed for continuous measurement of shaft vibration, shaft position, rotor displacement, and dynamic movement in critical rotating equipment.
As part of the industry-proven 3300 XL 11 mm Proximity Transducer System, this probe employs advanced eddy current sensing technology to deliver accurate, repeatable measurements without making physical contact with the rotating shaft. This design minimizes wear while maintaining exceptional stability and long-term reliability in demanding industrial environments.
The 330704-00-070-10-02-00 features a 70 mm probe case length, 11 mm sensing tip, M14 × 1.5 threaded body, armored cable construction, and a 1-meter total cable length, making it suitable for installation on steam turbines, gas turbines, compressors, pumps, generators, motors, and other high-value rotating machinery.
Technical Specifications
| Parameter | Details |
|---|---|
| Manufacturer | Bently Nevada |
| Model | 330704-00-070-10-02-00 |
| Product Type | 3300 XL 11 mm Proximity Probe |
| Sensor Technology | Eddy Current Non-Contact Displacement Sensor |
| Product Series | 3300 XL 11 mm Proximity Transducer System |
| Probe Diameter | 11 mm |
| Probe Case Length | 70 mm |
| Thread Type | M14 × 1.5 |
| Probe Construction | Armored Probe |
| Total Length | 1 meter |
| Connector Type | Miniature Coaxial ClickLoc Connector |
| Mounting Method | Threaded Installation |
| Measurement Functions | Shaft Vibration, Shaft Position, Rotor Displacement |
| Operating Principle | Eddy Current Measurement |
| Dimensions | Total Length: 1 meter |
| Weight | 0.17 kg |
| Environmental Rating | Industrial Grade |
Product Features
The 330704-00-070-10-02-00 is engineered for high reliability and precision in continuous industrial monitoring applications.
Key product features include:
- High-accuracy non-contact shaft displacement measurement
- Compact 70 mm probe body for versatile installation
- Excellent long-term signal stability
- Rugged armored construction for harsh industrial environments
- High resistance to vibration, oil, dust, and electromagnetic interference
- Low maintenance requirements with extended service life
- Fully compatible with the Bently Nevada 3300 XL monitoring platform
Its robust construction makes it suitable for continuous operation in demanding industrial processes.
Working Principle
The 330704-00-070-10-02-00 uses eddy current sensing technology to monitor the position of conductive rotating shafts.
The sensing tip generates a high-frequency electromagnetic field. As the metallic shaft rotates near the probe tip, eddy currents are induced on the shaft surface. Changes in the distance between the probe and the shaft alter the electromagnetic field strength, generating electrical signals proportional to shaft movement.
These signals are processed by a compatible Proximitor Sensor, providing accurate measurements of:
- Shaft vibration
- Shaft displacement
- Rotor eccentricity
- Axial position
- Dynamic mechanical movement
Because there is no physical contact between the probe and the shaft, measurement performance remains highly stable over long operating periods.
Role in Industrial Machinery Protection
The 330704-00-070-10-02-00 is an essential component of industrial machinery protection and predictive maintenance systems.
| Monitoring Function | Description |
|---|---|
| Shaft Vibration Monitoring | Detects abnormal vibration levels |
| Shaft Position Measurement | Monitors axial and radial shaft movement |
| Rotor Displacement Analysis | Tracks dynamic shaft displacement |
| Machinery Protection | Supports automatic shutdown and alarm systems |
| Condition Monitoring | Enables continuous equipment diagnostics |
| Predictive Maintenance | Detects developing mechanical faults early |
These functions help maintenance personnel reduce unplanned downtime while extending equipment service life.
Industrial Applications
The 330704-00-070-10-02-00 is widely deployed in industrial sectors requiring reliable rotating machinery monitoring.
| Industry | Typical Equipment |
|---|---|
| Power Generation | Steam turbines, gas turbines, generators |
| Oil & Gas | Compressors, centrifugal pumps |
| Petrochemical | Process compressors and rotating equipment |
| Refining | Blowers, pumps, turbo machinery |
| Steel Manufacturing | Rolling mills and heavy-duty motors |
| Mining | Crushers, grinding mills, conveyor drives |
| Marine | Main propulsion systems and auxiliary machinery |
| General Manufacturing | High-speed production equipment |
Its reliable sensing capabilities make it suitable for both original equipment installations and modernization projects.
Installation and System Integration
Correct installation is essential for maximizing measurement accuracy and long-term reliability.
Recommended installation procedures include:
- Verify the probe model before installation.
- Install the probe using the M14 × 1.5 threaded mounting.
- Adjust the probe gap according to equipment specifications.
- Route the armored cable carefully to prevent excessive bending.
- Connect the probe to a compatible Proximitor Sensor.
- Verify output signals during system commissioning.
- Perform calibration before equipment startup.
Proper installation ensures consistent monitoring performance throughout the equipment lifecycle.
Compatible System Components
The 330704-00-070-10-02-00 is designed for integration into complete machinery protection systems.
| Compatible Component | Function |
|---|---|
| Bently Nevada Proximitor Sensor | Converts probe signals into usable outputs |
| 3300 XL Extension Cable | Provides electrical connection |
| 3300 XL Monitoring Module | Processes vibration and displacement signals |
| Machinery Protection System | Monitors and protects rotating assets |
| PLC System | Collects equipment condition data |
| DCS Platform | Centralized industrial monitoring |
| Condition Monitoring Software | Trend analysis and predictive diagnostics |
Together, these components create a comprehensive machinery condition monitoring solution.
Recommended Alternative Models
| Model | Product Type | Key Feature | Typical Application |
|---|---|---|---|
| 330704-00-070-10-02-00 | 3300 XL 11 mm Proximity Probe | 70 mm probe body | Standard industrial machinery |
| 330704-005-040-10-02-00 | 3300 XL 11 mm Proximity Probe | Compact 40 mm housing | Space-limited installations |
| 330704-00-050-10-01-05 | 3300 XL 11 mm Proximity Probe | 50 mm probe body | General-purpose monitoring |
| 330704-000-080-10-02-00 | 3300 XL 11 mm Proximity Probe | 80 mm probe body | Heavy-duty industrial applications |
| 330704-000-090-50-02-00 | 3300 XL 11 mm Proximity Probe | 5-meter cable version | Remote installation requirements |
Key Advantages
- High-precision non-contact shaft displacement measurement
- 70 mm probe body for flexible installation options
- Stable performance during continuous operation
- Rugged armored construction for harsh environments
- Excellent resistance to electrical and mechanical interference
- Supports predictive maintenance strategies
- Fully compatible with Bently Nevada 3300 XL systems
- Improves equipment reliability while reducing maintenance costs
Technical FAQs
What is the Bently Nevada 330704-00-070-10-02-00 used for?
It is used for continuous monitoring of shaft vibration, shaft position, and rotor displacement in rotating industrial machinery using eddy current sensing technology.
Which types of equipment commonly use this probe?
Typical applications include turbines, compressors, generators, centrifugal pumps, electric motors, fans, and other critical rotating equipment.
Why select the 70 mm probe configuration?
The 70 mm probe body offers additional installation flexibility while maintaining the measurement performance of the 3300 XL 11 mm proximity transducer system.
What components are required for a complete monitoring solution?
A complete system generally consists of the proximity probe, Proximitor Sensor, extension cable, vibration monitoring module, machinery protection system, PLC or DCS platform, and condition monitoring software.
Conclusion
The Bently Nevada 330704-00-070-10-02-00 3300 XL 11 mm Proximity Probe is a dependable industrial sensor designed for accurate non-contact monitoring of vibration, shaft displacement, and shaft position in critical rotating machinery.
Featuring a 70 mm probe body, 11 mm sensing tip, M14 × 1.5 threaded mounting, 1-meter total cable length, armored construction, and a lightweight 0.17 kg design, it provides reliable measurement performance and seamless integration into industrial machinery protection systems.
Whether installed in power generation, oil and gas, petrochemical processing, mining, marine applications, or advanced manufacturing facilities, the 330704-00-070-10-02-00 delivers a proven solution for improving machinery reliability, supporting predictive maintenance, and maximizing the operational life of critical rotating equipment.