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Product Overview
The Bently Nevada 330101-00-20-05-01-05 proximity probe is a high-performance, non-contact displacement sensor used to monitor the dynamic and static position of rotating machinery shafts. Part of the industry-leading 3300 XL 8 mm Proximity Transducer System, this model combines durability with exceptional measurement accuracy, making it ideal for harsh industrial environments.
This specific configuration includes a 20 ft (6.1 m) probe paired with an appropriate extension cable and Proximitor sensor, forming a complete system tailored for installations where long cable runs are required.
Key Features
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8 mm tip diameter for robust, general-purpose proximity sensing
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Extended probe length (20 ft) for specialized installations
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Threaded stainless-steel body with ruggedized PEEK sensor tip
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API 670 compliant for vibration and position monitoring in critical machines
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Excellent linearity and sensitivity performance
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Resistance to EMI and RFI for industrial reliability
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IP67-rated construction for challenging environments
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Seamless compatibility with Bently Nevada 3300 XL Proximitor Sensors
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Long-term operational stability without recalibration
Technical Specifications
| Parameter | Specification |
|---|---|
| Probe Tip Diameter | 8 mm |
| Probe Length | 20 ft (6.1 m) |
| Thread Size | 3/8-24 UNF |
| Connector Type | Coaxial, gold-plated contact |
| Sensing Element Material | PEEK |
| Housing Material | Stainless Steel |
| Sensitivity | 7.87 mV/μm (200 mV/mil) |
| Linearity | ±0.25% full-scale typical |
| Measurement Range | 2 mm (80 mils) nominal |
| Frequency Response | DC to 10 kHz |
| Operating Temperature | -35°C to +177°C |
| Environmental Rating | IP67 |
| Compliance Standards | API 670, CE, RoHS, ATEX/IECEx (select versions) |
| Dimensions | Total Length : 0.5 meter |
| Weight | 0.161 kg |
Product Advantages
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High Precision: Offers accurate real-time monitoring of shaft position and vibration.
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Extended Reach: Long probe length simplifies installation on large machinery or across panels.
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Durability in Harsh Settings: Maintains functionality in chemically aggressive, oily, and high-temperature environments.
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Standards Compliant: Fully aligns with API 670 for turbine and critical machinery monitoring.
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Universal Integration: Pairs with existing 3300 XL systems for seamless retrofitting or expansion.
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Field-Proven Reliability: Designed to operate for years without performance degradation.
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Flexible Deployment: Long cable and probe support a wide range of mounting scenarios.
Industry Applications
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Steam & Gas Turbines – Shaft vibration and axial thrust measurements
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Centrifugal Compressors – Condition monitoring of rotors and bearings
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Electric Motors & Generators – Early fault detection and diagnostics
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Pumps & Gearboxes – Detect misalignment, imbalance, and wear
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Petrochemical Plants – Continuous monitoring under hazardous conditions
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Mining Equipment – Adapted for rugged, vibration-heavy environments
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Power Generation – Ensures uptime and safety in critical rotating equipment
Frequently Asked Questions (FAQ)
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What system does this probe belong to?
The probe is part of the Bently Nevada 3300 XL 8 mm Proximity Transducer System. -
Is the probe compatible with all 3300 XL Proximitor sensors?
Yes, it is fully compatible and factory-calibrated to work with 3300 XL Proximitor units. -
Can I use this probe in hazardous environments?
Yes, when selected with the appropriate certification (ATEX/IECEx), it is suitable for hazardous locations. -
Does the 20 ft probe affect accuracy or response?
No, as long as the matched extension cable and Proximitor sensor are used, system performance is maintained. -
Can I trim or adjust the probe in the field?
No. The probe is factory-calibrated and must not be modified to ensure accuracy. -
How often should I replace or recalibrate this probe?
Routine inspections are recommended, but recalibration is not required under normal conditions. -
What is the typical output signal?
The system provides a DC voltage proportional to the distance between the probe tip and the target. -
Is this probe resistant to oil and moisture?
Yes, it is IP67 rated and designed to resist industrial contaminants. -
Can I install the probe in confined areas?
Yes, the slim 8 mm design makes it suitable for tight mounting locations. -
What maintenance is required?
Periodic visual inspection and connector cleaning are typically sufficient.
Related Models in the 3300 XL 8 mm Series
| Model | Description |
|---|---|
| 330101-00-14-10-02-05 | 14 ft system: 10 ft probe + 4 ft extension cable |
| 330101-00-16-05-02-05 | 16 ft system: 5 ft probe + 11 ft extension cable |
| 330104-00-12-10-02-00 | High-temperature version of 8 mm probe |
| 330130-085-12-05 | 85 ft extension cable for extended reach |
| 330180-91-00 | Matching 3300 XL Proximitor Sensor |
| 330105-02-12-10-02-00 | Armored cable version of 3300 XL probe |
Popular Bently Nevada Models (Same Brand)
| Model | Description |
|---|---|
| 3500/22M | Transient Data Interface Module for 3500 Series |
| 3500/42M | Vibration Monitoring Module |
| 3500/15-05-05-00 | Power Supply Module for 3500 System |
| 330180-50-00 | Standard 8 mm Proximitor Sensor |
| 330104-00-03-05-02-00 | Compact probe with 3 ft probe + 5 ft cable |
| 330130-040-00-00 | 40 ft XL Extension Cable for use with 3300 XL systems |
