High-Precision Metric Proximity Probe for Continuous Machinery Protection
The Bently Nevada 330104-03-12-10-02-00 3300 XL 8 mm Proximity Probe, Metric is a premium non-contact eddy current sensor designed for precise monitoring of shaft vibration, axial position, differential expansion, and rotor position in critical rotating equipment. As part of the industry-leading 3300 XL 8 mm Proximity Transducer System, this probe delivers exceptional linearity, long-term stability, and dependable performance in demanding industrial environments. When paired with a compatible 3300 XL extension cable and Proximitor® Sensor, the complete system complies with API 670 requirements for machinery protection.
The 330104-03-12-10-02-00 configuration features an M10 × 1 metric threaded armored probe, 30 mm unthreaded length, 120 mm case length, 1.0 m integral cable, Miniature ClickLoc connector, and standard (non-certified) approval option. Its rugged construction and compact design make it ideal for steam turbines, compressors, pumps, motors, generators, and other rotating assets where accurate shaft condition monitoring is essential.
Technical Specifications
| Parameter | Specification |
|---|
| Manufacturer | Bently Nevada |
| Model Number | 330104-03-12-10-02-00 |
| Product Type | 3300 XL 8 mm Proximity Probe, Metric |
| Probe Diameter | 8 mm |
| Thread Type | M10 × 1 Metric |
| Armor | Yes |
| Unthreaded Length | 30 mm (Option 03) |
| Case Length | 120 mm (Option 12) |
| Integral Cable Length | 1.0 m (Option 10) |
| Connector Type | Miniature ClickLoc coaxial connector, standard cable (Option 02) |
| Agency Approval | 00 – No agency approval required |
| 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, differential expansion, Keyphasor® reference |
| API Compliance | API 670 compliant as part of a complete transducer system |
| Operating Temperature | -52°C to +177°C (probe cable dependent) |
| Approximate Dimensions | 120 mm case length, M10 × 1 threaded body |
| Probe Weight | Approx. 0.32 kg |
Typical Applications
| Industry | Typical Equipment |
|---|
| Oil & Gas | Centrifugal compressors, gas turbines, pumps |
| Power Generation | Steam turbines, generators |
| Petrochemical | Process compressors and motors |
| Mining | Heavy-duty rotating equipment |
| Marine | Propulsion and auxiliary machinery |
| OEM Equipment | Compressor and turbine packages |
Common monitoring applications include:
-
Radial shaft vibration monitoring
-
Axial shaft position measurement
-
Differential expansion monitoring
-
Rotor eccentricity measurement
-
Keyphasor® speed reference
-
Continuous machinery protection
Product Highlights
Superior Measurement Accuracy
The 3300 XL sensing technology delivers highly accurate non-contact displacement measurements with excellent repeatability, ensuring reliable machine condition data throughout the equipment lifecycle.
Metric Armored Probe Construction
The 330104 series combines an M10 × 1 metric threaded body with armored cable protection, improving durability against vibration, abrasion, and harsh industrial operating conditions.
Extended 120 mm Probe Body
The 12 case-length option provides additional installation flexibility for machinery requiring a longer probe body to reach the measurement target.
One-Meter Integral Cable
The 10 cable option includes a 1.0 m integral cable, allowing the probe to be paired with the appropriate extension cable for a complete 5 m or 9 m transducer system.
Secure ClickLoc Connector
The Miniature ClickLoc connector provides fast installation, secure electrical connection, and simplified maintenance while helping minimize downtime during servicing.
Proven System Compatibility
The probe is fully compatible with 3300 XL extension cables and 3300 XL Proximitor® Sensors, providing seamless integration into existing Bently Nevada machinery protection systems.
Technical FAQs
1. What is the 330104-03-12-10-02-00 used for?
It is used for non-contact monitoring of shaft vibration, axial position, differential expansion, and rotor movement in rotating machinery.
2. What does "330104" represent?
It identifies an M10 × 1 metric threaded, armored 3300 XL 8 mm proximity probe.
3. What does option "03" indicate?
It specifies a 30 mm unthreaded probe length.
4. What does option "12" mean?
It specifies a 120 mm overall case length.
5. What does option "10" indicate?
It identifies a 1.0 meter integral probe cable.
6. What connector does this probe use?
It uses a Miniature ClickLoc coaxial connector with a standard cable.
7. What does the final "00" option represent?
It indicates the standard configuration without additional hazardous-area agency approvals.
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, including the probe, extension cable, and Proximitor® Sensor.
9. Is this probe suitable for API 670 applications?
Yes. When installed as a complete matched transducer system, it satisfies API 670 performance requirements.
10. Which machines commonly use this probe?
It is widely installed on turbines, compressors, pumps, generators, motors, and other fluid-film bearing machinery requiring continuous shaft condition monitoring.
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