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Product Introduction
The Bently Nevada 330171-00-12-05-02-00 is a high-precision proximity probe that is part of the globally trusted 3300 XL series, designed for long-term, reliable monitoring of critical rotating machinery. As a 5 mm reverse mount proximity probe, it is engineered for applications requiring installation from the rear of the mounting surface, offering enhanced flexibility in compact or restricted-access spaces.
This model is widely used for non-contact vibration and position monitoring in turbines, compressors, pumps, and other heavy-duty rotating equipment. Its robust construction, high temperature resilience, and compatibility with Bently Nevada’s 3300 XL Proximitor® Sensor make it a top-tier solution for condition-based monitoring in mission-critical environments such as oil & gas, petrochemicals, and power generation.
The 330171-00-12-05-02-00 probe includes is API 670 compliant, and meets the highest standards of linearity, durability, and electromagnetic immunity.
Technical Specifications
| Parameter | Details |
| Part Number | 330171-00-12-05-02-00 |
| Product Family | 3300 XL Series |
| Sensor Type | Proximity Probe (Reverse Mount) |
| Tip Diameter | 5 mm |
| Mounting Thread Size | 1/4-28 UNF |
| Total Length | 0.5 meters |
| Compatible Proximitor | 3300 XL Proximitor® Sensor |
| Measurement Range | 0.25 mm to 2.00 mm (10 mils to 80 mils) |
| Sensitivity | 7.87 mV/μm (200 mV/mil) typical |
| Linear Range | 2 mm (80 mils) |
| Frequency Response | 0 Hz to 10 kHz |
| Operating Temperature | -35°C to +177°C (-31°F to +351°F) |
| Shock Limit | 100 g peak |
| Vibration Limit | 10 g peak (55–500 Hz) |
| Insulation Resistance | >10 MΩ (probe body to connector) |
| Electrical Connector | Coaxial stainless steel overbraid, sealed |
| Material – Probe Body | 303 Stainless Steel |
| Material – Cable Jacket | FEP (Fluorinated Ethylene Propylene) |
| Environmental Protection | IP65 or better (with proper installation) |
| Compliance | API 670, CE, RoHS |
| Weight | 0.161 kg |
Applications
The 330171-00-12-05-02-00 is designed for industrial environments where accurate, real-time vibration and position data is essential for machine protection and diagnostics. Common application areas include:
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Steam & Gas Turbines
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Centrifugal Compressors
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Electric Motors and Alternators
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Multistage Pumps and Fans
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Gearboxes and Blowers
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Critical Skid-Mounted Equipment
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Wind Turbines and Industrial Drives
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Marine Propulsion Systems
It is ideal for OEM system integration, retrofitting, and remote installations in harsh industrial settings.
Product Advantages
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Reverse Mount Design
Simplifies installation in tight or sealed equipment locations. -
API 670 Compliant
Fully meets stringent industry requirements for protection systems in rotating machinery. -
Extended Cable Length
12 ft integral cable allows flexible routing in large machinery layouts. -
Superior Signal Accuracy
Exceptional linearity and sensitivity for dependable measurement of shaft dynamics. -
High Temperature Operation
Functions reliably in environments up to 177°C, ensuring performance in turbine housings or hot zones. -
Electromagnetic Shielding
Coaxial stainless steel overbraid ensures signal integrity in electrically noisy environments. -
Robust Construction
Built to survive continuous operation under shock and vibration loads. -
Seamless Compatibility
Works with all Bently Nevada 3300 XL extension cables and proximitor systems.
Recent Industry News Headlines
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“Bently Nevada Enhances XL Probe Range for Extended Reliability in Harsh Environments”
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“New API 670 Guidelines Reinforce Importance of Precision Proximity Monitoring”
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“Energy Sector Investing in Predictive Maintenance with XL Series Sensors”
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“Reverse Mount Sensors Improve Maintenance Access in OEM Skids”
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“GE Bently Nevada Announces Expansion of XL Sensor Production Facilities”
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“OEMs Favor Compact XL Probes for Modular Machine Design”
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“Advances in Shaft Monitoring Fuel Demand for XL 5 mm Probes”
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“Bently Nevada Highlights Cable Armor Tech in Hazardous Locations”
Frequently Asked Questions (FAQ)
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What is the specific use case of this 330171 model?
It is used for measuring shaft vibration and axial or radial position in rotating equipment. -
Why choose a 12 ft cable version?
The 12 ft cable provides routing flexibility, especially in large machinery with remote proximitor locations. -
How is a reverse mount probe installed?
It is inserted from the rear of the mounting plate or bracket, typically secured with locking nuts or clamps. -
Does it work with extension cables?
Yes, it is compatible with Bently Nevada 3300 XL extension cables. -
What’s the function of the stainless-steel overbraid?
It shields the signal cable from electromagnetic interference (EMI), ensuring accurate readings. -
Can this probe operate at high temperatures?
Yes, it operates up to +177°C, making it suitable for turbine and compressor applications. -
What standards does it comply with?
It complies with API 670, CE directives, and RoHS environmental standards. -
Is calibration required after installation?
Factory-calibrated, but users are recommended to verify calibration annually for critical systems. -
How does it compare to an 8 mm probe?
5 mm probes are more compact and ideal for smaller shaft diameters or tight mounting zones. -
What kind of machinery is best suited for this probe?
It’s suitable for turbines, compressors, pumps, gearboxes, and any critical rotating asset.
Recommended Related Models (Same Series or Function)
| Model Number | Description | Mount Type | Cable Length | Application |
| 330171-00-08-90-01-05 | 5 mm Reverse Mount, High Temp Variant | Reverse | 8 ft | High Temp Compressors |
| 330171-00-05-10-02-00 | 5 mm Reverse Mount Standard Probe | Reverse | 5 ft | Skid Systems |
| 330101-00-10-10-02-00 | 8 mm Forward Mount Probe | Forward | 10 ft | Large Motors & Generators |
| 330104-00-12-10-02-00 | Armored Cable 8 mm Probe | Forward | 12 ft | High EMI Locations |
| 330130-040-00 | NSv Probe (Miniature Probe) | Forward | 4 m | Small Machinery |
| 330178-50-05 | Armored Extension Cable | Cable | 5 m | Harsh Environments |
| 330180-91-05 | Standard Extension Cable | Cable | 5 m | Flexible Routing |
| 330106-05-30-10-02-00 | Terminal Mount Probe for OEM Integration | Terminal Mount | 5 ft | Custom Machine Designs |
Popular Models from Bently Nevada
| Model Number | Description | Product Type | Key Function |
| 3500/22M-01-01-00 | Transient Data Interface Module | Data Interface | Gateway for System Communication |
| 3500/42M-01-00 | Proximitor Monitor (2-Channel) | Monitor Module | Shaft Vibration Monitoring |
| 3500/15-05-01-00 | Power Supply Module | Power Module | Powers 3500 Monitoring System |
| 3500/05-01-01-00-00-01 | System Rack Frame | Hardware Enclosure | Houses Bently 3500 Modules |
| 330103-00-10-10-02-00 | 8 mm Forward Mount Probe | Sensor | General Machinery Monitoring |
| 330104-00-18-10-02-00 | Armored 8 mm Probe | Sensor | Harsh Industrial Applications |
| 3500/20-01-02-00-00 | Display Interface Module | Display Unit | Local Monitoring Screen |
| 330180-50-05 | Coaxial Extension Cable | Signal Cable | Probe to Proximitor Connectivity |
