Reliable Vibration Monitoring for Critical Machinery
The Bently Nevada 330101-23-39-10-12-05 3300 XL 8 mm Proximity Probe is a premium non-contact eddy-current sensor designed to deliver accurate shaft vibration and displacement measurements for rotating machinery operating in demanding industrial environments. As part of the trusted 3300 XL 8 mm Proximity Transducer System, this probe provides exceptional measurement stability, high signal integrity, and long service life, helping maintenance teams maximize equipment availability while minimizing unplanned downtime.
This configuration features a 2.3 in. (58.4 mm) unthreaded length, a 3.9 in. (99.1 mm) overall case length, a 1.0 m (3.3 ft) total cable length, and a Miniature ClickLoc™ coaxial connector with FluidLoc™ cable. The Option 05 approval package includes CSA, ATEX, and IECEx certifications, making this probe suitable for qualified hazardous-area installations. The FluidLoc cable construction offers enhanced protection against fluid ingress, making it an excellent choice for harsh industrial environments.
Technical Specifications
| Specification | Details |
|---|
| Manufacturer | Bently Nevada |
| Model Number | 330101-23-39-10-12-05 |
| Product Type | 3300 XL 8 mm Proximity Probe |
| Series | 3300 XL 8 mm Proximity Transducer System |
| Measurement Principle | Non-contact Eddy Current |
| Probe Diameter | 8 mm |
| Thread Size | 3/8-24 UNF |
| Unthreaded Length | 2.3 in. (58.4 mm) |
| Overall Case Length | 3.9 in. (99.1 mm) |
| Total Cable Length | 1.0 m (3.3 ft) |
| Cable Type | FluidLoc™ Cable |
| Connector Type | Miniature ClickLoc™ Coaxial Connector |
| Measurement Range | 2.0 mm (80 mils) |
| Sensitivity | 7.87 V/mm (200 mV/mil) ±5% |
| Frequency Response | 0 Hz to 10 kHz |
| Operating Temperature | -51°C to +177°C (-60°F to +351°F) |
| Agency Approvals | CSA, ATEX, IECEx |
| Dimensions | Approx. Ø8 mm × 99.1 mm |
| Approximate Net Weight | 0.32 kg |
| Approximate Shipping Weight | 2.0 kg |
Applications
The 330101-23-39-10-12-05 is designed for continuous machinery protection in industries where rotating equipment reliability is critical.
Typical applications include:
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Steam turbine vibration monitoring
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Gas turbine protection systems
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Centrifugal compressors
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Industrial pumps
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Electric motors
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Power generators
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High-speed gearboxes
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Petrochemical processing plants
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Offshore oil and gas facilities
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Chemical manufacturing equipment
Its FluidLoc™ cable technology provides improved durability in environments exposed to lubricants, moisture, and process fluids, making it particularly suitable for demanding industrial installations.
Technical FAQs
1. What is the primary function of this proximity probe?
It measures shaft vibration, shaft displacement, and shaft position without physical contact using eddy-current sensing technology.
2. What does the "23" option indicate?
The 23 option specifies a 2.3-inch (58.4 mm) unthreaded probe length for installation flexibility.
3. What is the overall probe case length?
This model features a 3.9-inch (99.1 mm) overall case length.
4. What cable length does this model include?
It is supplied with a 1.0-meter (3.3-foot) integrated cable.
5. What is the difference between the "12" cable option and the standard "02" option?
The 12 option uses a FluidLoc™ cable with a Miniature ClickLoc™ connector, providing improved protection against fluid ingress while maintaining reliable signal performance.
6. Does this probe support hazardous-area installations?
Yes. The Option 05 configuration includes CSA, ATEX, and IECEx approvals for qualified hazardous locations.
7. Which equipment commonly uses this probe?
It is widely installed on turbines, compressors, generators, pumps, motors, and other critical rotating machinery.
8. Can the probe be connected directly to a PLC or DCS?
No. It must operate with a compatible 3300 XL Proximitor Sensor and the appropriate system cable configuration.
9. What parameters can this probe monitor?
It measures radial shaft vibration, axial position, shaft displacement, eccentricity, and other shaft movement characteristics.
10. Is this model suitable for continuous online monitoring?
Yes. It is specifically engineered for permanent installation in machinery protection and condition monitoring systems operating continuously.
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