Precision Condition Monitoring for Compact Rotating Equipment
The Bently Nevada 330901-14-43-05-02-05 3300 NSv Proximity Probe is a high-accuracy non-contact vibration sensor engineered for machinery protection applications where installation space is restricted. As part of the 3300 NSv (Narrow Side View) family, this probe is specifically optimized to minimize interference from adjacent metallic surfaces while delivering dependable shaft vibration and position measurements.
Built for industrial environments that demand continuous reliability, this probe supports predictive maintenance strategies, enhances asset visibility, and helps operators reduce unexpected shutdowns. Its compact design makes it an ideal choice for OEM machinery, retrofit projects, and critical rotating equipment operating in confined spaces.
Engineering Specifications
| Specification | Details |
|---|
| Manufacturer | Bently Nevada |
| Model Number | 330901-14-43-05-02-05 |
| Product Type | 3300 NSv Proximity Probe |
| Measurement Principle | Eddy Current Non-Contact Technology |
| Product Family | 3300 NSv |
| Unthreaded Length | 1.4 in (35.6 mm) |
| Overall Case Length | 4.3 in (109.2 mm) |
| Total Cable Length | 0.5 m (20 in) |
| Connector Type | Miniature Coaxial ClickLoc Connector |
| Cable Impedance | 75 Ω FEP Insulated Coaxial Cable |
| Probe Housing Material | AISI 304 Stainless Steel |
| Probe Tip Material | Polyphenylene Sulfide (PPS) |
| Operating Temperature | -52°C to +177°C (system dependent) |
| Installation Method | Threaded Mounting |
| Dimensions | Approx. 109.2 mm probe body + 500 mm cable |
| Approximate Weight | 0.14 kg |
| Certification Option | Multiple agency approvals configuration |
Typical Industry Applications
The 3300 NSv probe is widely installed in machinery that requires accurate measurements within restricted mechanical clearances.
Common applications include:
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Compact centrifugal compressors
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Turbo-expanders
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Industrial refrigeration compressors
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Air separation equipment
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Small gas turbines
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High-speed process pumps
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Petrochemical rotating machinery
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OEM packaged equipment
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Predictive maintenance systems
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Continuous machine protection systems
Operational Advantages
◆ Optimized for Limited Spaces
The Narrow Side View architecture significantly reduces side interference, making installation easier in compact machinery.
◆ Improved Equipment Availability
Continuous monitoring allows maintenance teams to identify abnormal conditions before they lead to costly failures.
◆ Rugged Industrial Construction
Stainless steel housing and PPS sensing components provide excellent durability for long-term operation.
◆ Excellent Signal Stability
The 75 Ω cable design helps maintain accurate and consistent measurement performance.
◆ Simplified Retrofit Integration
Its compact dimensions make modernization projects faster and more efficient.
◆ Reliable Performance in Harsh Environments
Designed to withstand demanding industrial operating conditions.
◆ Supports Predictive Maintenance Strategies
Real-time machinery data enables smarter maintenance planning and reduced downtime.
Technical FAQs
Q1: What is the primary purpose of this proximity probe?
It measures shaft vibration and shaft position without contacting moving components, enabling continuous machine condition monitoring.
Q2: What does NSv stand for?
NSv stands for Narrow Side View, a design intended to reduce interference from nearby metal surfaces.
Q3: Is this probe suitable for small rotating equipment?
Yes. The 3300 NSv family was specifically engineered for compact machinery applications.
Q4: What does the "14" configuration indicate?
It designates a 1.4-inch unthreaded probe length.
Q5: What does the "43" code represent?
It indicates a 4.3-inch overall probe case length.
Q6: Is the cable integrated?
Yes. This configuration includes a factory-installed 0.5-meter cable assembly.
Q7: Can this probe be used in hazardous environments?
Certain certification configurations support hazardous area applications when installed according to applicable requirements.
Q8: Which industries commonly use this model?
Oil and gas, petrochemical, refrigeration, power generation, and industrial manufacturing sectors frequently deploy this solution.
Q9: Can I mix this probe with other Bently Nevada transducer components?
No. Always use properly matched probes, extension cables, and Proximitor sensors within the same system configuration.
Q10: What maintenance is recommended?
Periodic inspections should include cable checks, mounting verification, and overall system performance validation.
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