Engineered for Accurate Shaft Monitoring in Demanding Industrial Environments
The Bently Nevada 330104-03-12-05-02-05 3300 XL 8 mm Proximity Probe is a premium eddy current proximity probe designed for continuous monitoring of shaft vibration, axial position, differential expansion, and Keyphasor® reference signals on critical rotating machinery. As a member of the proven 3300 XL 8 mm Proximity Transducer System, it delivers outstanding measurement accuracy, excellent temperature stability, and full compatibility with API 670 monitoring requirements when paired with the appropriate extension cable and Proximitor® Sensor.
This configuration features an M10 × 1 metric armored probe, 30 mm unthreaded length, 120 mm overall case length, 0.5 m probe cable, Miniature ClickLoc connector, and CSA/ATEX/IECEx hazardous-area approvals. It is an excellent choice for steam turbines, compressors, pumps, motors, generators, and other high-value rotating assets requiring dependable machinery protection.
Technical Specifications
| Parameter | Specification |
|---|
| Manufacturer | Bently Nevada |
| Model Number | 330104-03-12-05-02-05 |
| Product Type | 3300 XL 8 mm Proximity Probe |
| Probe Diameter | 8 mm |
| Thread Type | M10 × 1 Metric |
| Armor | Yes |
| Unthreaded Length | 30 mm (Option 03) |
| Overall Case Length | 120 mm (Option 12) |
| Probe Cable Length | 0.5 m (Option 05) |
| Connector Type | Miniature ClickLoc connector, standard cable (Option 02) |
| Agency Approval | CSA / ATEX / IECEx (Option 05) |
| Sensing Technology | Eddy current, non-contact |
| Compatible Extension Cable | 3300 XL 8 mm Extension Cable |
| Compatible Sensor | 3300 XL Proximitor® Sensor |
| Primary Measurements | Radial vibration, axial position, speed, Keyphasor® reference |
| API Compliance | API 670 compliant as part of a complete transducer system |
| Probe Weight | Approx. 323 g/m |
| Total System Weight | Approx. 0.7 kg (typical complete 5 m system) |
Typical Applications
| Industry | Typical Equipment |
|---|
| Oil & Gas | Compressors, centrifugal pumps |
| Power Generation | Steam turbines, generators |
| Petrochemical | Process compressors and motors |
| Mining | Heavy rotating machinery |
| Marine | Propulsion and auxiliary rotating equipment |
| OEM Machinery | Turbine and compressor packages |
Typical monitoring functions include:
-
Shaft radial vibration measurement
-
Axial displacement monitoring
-
Differential expansion measurement
-
Keyphasor® reference
-
Rotor position monitoring
-
Machinery protection systems
Key Advantages
Outstanding Measurement Stability
The 3300 XL 8 mm technology provides highly repeatable non-contact displacement measurements with excellent temperature stability and linearity, making it ideal for continuous condition monitoring.
Metric Armored Construction
The 330104 model incorporates an M10 × 1 metric threaded body with armor, offering enhanced mechanical protection and secure installation in demanding industrial environments.
Extended 120 mm Probe Body
The 12 case-length option provides a 120 mm probe body, making installation easier where additional reach or mounting flexibility is required.
Hazardous-Area Certified
With the 05 approval option, this probe supports installations requiring CSA, ATEX, and IECEx certifications, making it suitable for hazardous industrial locations.
Secure ClickLoc Connection
The Miniature ClickLoc connector provides a reliable electrical connection while simplifying installation and maintenance, helping reduce downtime during service operations.
Fully Compatible 3300 XL System
The probe integrates seamlessly with 3300 XL extension cables and 3300 XL Proximitor® Sensors, creating a complete transducer system capable of high-accuracy machinery monitoring.
Technical FAQs
1. What is the 330104-03-12-05-02-05 used for?
It is used for non-contact measurement of shaft vibration, axial position, differential expansion, and speed reference on rotating machinery.
2. What does "330104" indicate?
It identifies an M10 × 1 metric threaded 3300 XL 8 mm proximity probe with armor.
3. What does option "03" represent?
It specifies a 30 mm unthreaded probe length.
4. What does option "12" represent?
It specifies a 120 mm overall probe case length.
5. What does option "05" for cable length indicate?
It identifies a 0.5 meter probe cable, which is used with the appropriate extension cable to achieve the required overall system length.
6. What connector does this probe use?
It uses a Miniature ClickLoc coaxial connector with a standard cable.
7. What does the final "05" approval code mean?
It indicates CSA, ATEX, and IECEx hazardous-area approvals for use in certified industrial environments.
8. Does this probe require a Proximitor® Sensor?
Yes. It is designed to operate as part of the complete 3300 XL 8 mm Proximity Transducer System, consisting of the probe, extension cable, and Proximitor® Sensor.
9. Is this probe compliant with API 670?
Yes. When installed as a complete matched 3300 XL system, it meets the performance requirements of API 670.
10. Which machines commonly use this probe?
It is commonly installed on turbines, compressors, generators, pumps, motors, and other fluid-film bearing machines requiring continuous vibration and displacement monitoring.
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