Metric Armored Eddy-Current Probe for 3300 XL Machinery Monitoring Systems
The Bently Nevada 330104-00-05-50-11-00 is a 3300 XL 8 mm Proximity Probe designed for non-contact measurement of shaft vibration, axial position, Keyphasor® reference, and speed on fluid-film bearing rotating machinery. It is part of the 3300 XL 8 mm Proximity Transducer System, which consists of a proximity probe, extension cable, and Proximitor® Sensor. The standard 5-meter system complies with API Standard 670 for mechanical configuration, linearity, accuracy, and temperature stability.
Technical Specifications
| Parameter | Specification |
|---|
| Manufacturer | Bently Nevada |
| Part Number | 330104-00-05-50-11-00 |
| Product Type | 3300 XL 8 mm Proximity Probe |
| Probe Diameter | 8 mm |
| Thread Type | M10 × 1 metric |
| Armor | Yes (330104 model) |
| Unthreaded Length | 00 = 0 mm (fully threaded) |
| Case Length | 05 = 50 mm |
| Total Cable Length | 50 = 5.0 m (16.4 ft) |
| Connector/Cable Option | 11 = ClickLoc™ connector with connector protector, FluidLoc® cable |
| Agency Approval | 00 = No agency approvals required |
| Probe Tip Material | Polyphenylene Sulfide (PPS) |
| Probe Case Material | AISI 303/304 Stainless Steel |
| System Compatibility | 3300 XL 5 m Proximitor® Sensor and compatible extension cable |
Typical Applications
The 330104-00-05-50-11-00 is commonly installed on:
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Steam turbines
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Gas turbines
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Centrifugal compressors
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Pumps
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Electric motors
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Generators
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Gearboxes
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Fans and blowers
Key Features
API 670-Compliant Performance
The standard 5-meter 3300 XL system meets the requirements of API 670, making it suitable for critical rotating machinery protection systems.
Armored Metric Probe
The 330104 version combines an M10 × 1 metric threaded case with stainless-steel armor, providing additional protection against abrasion and mechanical damage.
FluidLoc® Cable
The 11 option includes a FluidLoc® cable, engineered to reduce fluid migration through the cable in oil-lubricated environments, helping improve long-term reliability.
Complete System Interchangeability
When used with compatible 3300 XL extension cables and Proximitor® Sensors, the probe is factory calibrated for interchangeability, eliminating the need for field matching or recalibration.
Wide Industrial Application
Suitable for continuous monitoring of:
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Shaft radial vibration
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Axial (thrust) position
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Shaft displacement
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Keyphasor® reference
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Rotational speed
Frequently Asked Questions
1. What is the function of this probe?
It measures the distance between the probe tip and a conductive shaft, allowing continuous monitoring of vibration, shaft position, and rotational reference.
2. What is the difference between connector option 02 and 11?
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02 – ClickLoc™ connector with standard cable
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11 – ClickLoc™ connector with connector protector and FluidLoc® cable, providing improved resistance to fluid ingress.
3. What thread does the probe use?
It uses an M10 × 1 metric thread.
4. Is this an armored probe?
Yes. All 330104 probes include stainless-steel armor for enhanced cable protection.
5. What does the "50" option indicate?
It specifies a 5.0-meter total system length, intended for use with a 5 m Proximitor® Sensor.
6. Does this model include hazardous-area approvals?
No. The 00 approval option indicates no agency approvals. Models ending in 05 include CSA, ATEX, and IECEx approvals.
7. Is the probe interchangeable with other 3300 XL components?
Yes. When used within the correct 3300 XL 8 mm transducer system, components are designed for factory-calibrated interchangeability.
8. Which industries commonly use this probe?
It is widely used in oil & gas, power generation, petrochemical, mining, pulp & paper, and other industries operating critical rotating machinery.
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