Product Introduction
The Bently Nevada 330901-00-09-70-02-05 3300 NSv Proximity Probe is a precision-engineered, non-contact sensor developed for high-speed, small-shaft rotating machinery that demands accurate vibration and displacement monitoring in limited-space installations. As a key member of the Bently Nevada 3300 NSv (Narrow Side-view) family, it ensures real-time measurement of shaft vibration, radial position, and dynamic movement. Its compact design, rugged stainless-steel housing, and proven eddy-current sensing technology make it ideal for use in harsh industrial environments such as petrochemical refineries, power generation plants, and heavy-duty compressor systems. Engineered for integration with Bently Nevada 3300 and 3500 monitoring systems, the probe provides unmatched reliability for predictive maintenance and machinery protection.
Product Specifications
| Parameter | Details |
|---|---|
| Model Number | 330901-00-09-70-02-05 |
| Series | 3300 NSv (Narrow Side-view) |
| Sensing Principle | Eddy-current non-contact displacement |
| Measurement Range | 0 to 2.0 mm (80 mils) |
| Linearity | ±0.25% of full scale |
| Frequency Response | DC to 10 kHz |
| Probe Tip Diameter | 5 mm |
| Power Supply (via proximitor) | –24 V DC nominal |
| Output Signal | Proportional voltage compatible with Bently Nevada monitoring systems |
| Operating Temperature Range | –35 °C to +177 °C (–31 °F to +350 °F) |
| Environmental Protection | IP67, resistant to dust, oil, and industrial contaminants |
| Total Length | 7 meters |
| Weight | 0.15 kg |
| Compliance/Certifications | CE, RoHS |
Applications
The 330901-00-09-70-02-05 probe is specifically designed for tight-space and high-speed machinery monitoring, including:
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Small gas and steam turbines in power generation facilities
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High-speed compressors and critical process pumps
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Industrial fans, blowers, and motors operating in harsh conditions
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Petrochemical and refinery rotating equipment requiring continuous vibration data
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Gearboxes and auxiliary equipment integrated with Bently Nevada 3300/3500 monitoring systems
Advantages
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Compact Form Factor – 5 mm probe diameter fits into constrained spaces without sacrificing measurement accuracy.
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High Accuracy – Maintains ±0.25% linearity for reliable vibration and displacement measurement.
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Rugged Build – Stainless-steel body and IP67 environmental sealing protect against moisture, dust, and industrial contaminants.
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Wide Temperature Tolerance – Operates reliably from –35 °C to +177 °C with built-in temperature compensation.
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Seamless System Integration – Fully compatible with Bently Nevada 3300 and 3500 monitoring platforms.
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Low Maintenance – Non-contact sensing eliminates mechanical wear and extends operational reliability.
FAQ
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What sensing technology is used in the 330901-00-09-70-02-05 probe?
It employs eddy-current non-contact displacement technology for precise vibration monitoring. -
How is the probe connected to a Bently Nevada monitoring system?
It is paired with a factory-matched extension and proximitor driver to maintain calibration accuracy. -
Can this probe be mounted in any orientation?
Yes, it supports horizontal, vertical, or angled mounting when the proper shaft-to-probe gap is maintained. -
What is the recommended probe-to-target gap for optimal performance?
Typically 1.0 mm ±0.2 mm, depending on the target material and system configuration. -
Is this probe suitable for use in hazardous or explosive environments?
Yes, when installed with certified intrinsically safe barriers or protective enclosures. -
What is the maximum frequency response of this proximity probe?
It delivers a flat frequency response from DC up to approximately 10 kHz. -
Can it measure vibration on non-metallic shafts?
No, the probe requires a conductive metallic target for accurate eddy-current sensing. -
Does temperature variation affect measurement stability?
Built-in temperature compensation minimizes output drift across the full operating range. -
What type of output signal is provided by the probe?
It provides a proportional voltage signal compatible with Bently Nevada monitoring equipment. -
Is special shielding required in high electromagnetic interference areas?
Proper cable shielding and grounding are recommended to maintain signal integrity.
Related Models (Same Series)
| Model Number | Key Feature |
|---|---|
| 330901-00-08-05-02 | Compact version with 0.5 m configuration |
| 330901-00-08-10-02 | 1.0 m configuration for flexible installations |
| 330901-00-08-15-02 | Extended configuration with 1.5 m setup |
| 330901-00-07-05-02 | 7 mm tip for broader sensing area |
| 330901-00-09-10-02 | High-frequency design for ultra-fast machinery |
| 330901-00-08-20-02 | Long-range version for remote equipment placement |
Popular Bently Nevada Models
| Model Number | Primary Application |
|---|---|
| 330500 | General-purpose proximity probe for industrial motors |
| 3500/22M | Machinery protection and monitoring module |
| 330180 | High-speed keyphasor proximity probe |
| 3701/40 | Compact machinery condition monitoring transmitter |
| 330103 | Short-length probe for confined installations |
| 330400 | High-temperature probe for turbine and compressor use |
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