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330101-00-39-20-02-05

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The Bently Nevada 330101-00-39-20-02-05 is a high-precision 3300 XL 8 mm probe, delivering reliable radial vibration and axial displacement measurements with API 670-compliant performance for critical rotating machinery.
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Technical specifications for 330101-00-39-20-02-05

  • Manufacturer:
    Bently Nevada
  • Part Number:
    330101-00-39-20-02-05
  • Product Family:
    3300 XL 8 mm Probe
  • Nominal Probe DC Resistance:
    7.88 ± 0.50 Ω
  • Minimum unthreaded length:
    0.0 in.
  • Overall Case Length Option:
    3.9 in.
  • Total Length Option:
    2.0 meters (6.6 feet)
  • Connector and Cable-Type Option:
    Miniature coaxial ClickLoc connector, standard cable
  • Agency Approval Option:
    CSA, ATEX, IECEx Approvals
  • Operating and Storage Temperature:
    -52°C to +177°C (-62°F to + 350°F)
  • Weight:
    0.5 kg
  • Estimated shipping dimensions:
    1.6x1.4x119cm
  • Tariff Code:
    8486403900
  • Country of origin:
    USA
  • Place of shipment:
    Xiamen, Fujian, China
By purchasing this item, you agree to the Terms & Conditions, ApterPower is not an authorized distributor for listed manufacturers or tradenames and therefore the manufacturer's warranty does not apply. All our products come with ApterPower's 1-year warranty.

More Information

Overview Manuals Specifications Installation Communication Applications

Features:

  • Advanced Eddy Current Measurement For Radial Vibration And Axial Displacement
  • API 670-Compliant Performance With Exceptional Temperature Stability
  • Fully Interchangeable And Backward Compatible With 3300 Series Components
The Bently Nevada 330101-00-39-20-02-05 3300 XL 8 mm Probe delivers cutting-edge vibration and position monitoring for critical rotating machinery. Its robust design and miniature coaxial ClickLoc connector ensure reliable installation while providing precise radial vibration and axial displacement measurements, making it essential for predictive maintenance programs. The probe supports API 670-compliant linearity, temperature stability, and mechanical performance, ensuring consistent and accurate results in challenging industrial environments.

The 330101-00-39-20-02-05 probe is part of the 3300 XL 8 mm system, which offers full interchangeability with extension cables and Proximitor sensors. Its backward compatibility with non-XL 3300 5 mm and 8 mm components allows operators to upgrade or replace sensors without the need for bench calibration, providing flexibility and minimizing downtime.

In addition to vibration monitoring, the 3300 XL 8 mm probe functions as a Keyphasor reference sensor, supporting synchronized speed measurement across machinery. With CSA, ATEX, and IECEx certifications, the Bently Nevada 330101-00-39-20-02-05 ensures regulatory compliance, operational safety, and superior performance, making it a reliable choice for industrial machinery monitoring systems.

The 330101-00-39-20-02-05 Bently Nevada 3300 XL 8 mm Probe may still be available for purchase and support from Apter Power beyond End-Of-Life (EOL) by the manufacturer (OEM).
Bently Nevada 330101-00-39-20-02-05 3300 XL 8 mm Probe Manuals,Datasheets,Link Important Notice: Other accessories, manuals, cables, calibration data, software, etc. are not included with this equipment unless listed in the above stock item description. All prices are shown in USD.
Bently Nevada 330101-00-39-20-02-05 3300 XL 8 mm Probe Specs

General

  • Manufacturer GE / Bently Nevada
  • Model 330101-00-39-20-02-05
  • Condition New Original ready stock
  • Product Family 330101-00-39-10-02-05,330101-00-39-05-02-05,330101-10-39-20-02-05
Important Notice: Other accessories, manuals, cables, calibration data, software, etc. are not included with this equipment unless listed in the above stock item description. All prices are shown in USD.
  • Deep Hole Penetration Capability: The 6.0-inch extra-long casing is designed specifically for large double-casing steam turbines, allowing direct penetration through the outer insulation layer and heavy cast iron outer shell to reach the internal bearing housing.
  • Precise Gap Locking: The fully threaded design with double locking nuts allows engineers to set the initial static gap between the probe and the shaft surface with a fine-tuning accuracy of 0.01mm.
  • Cable Stress Isolation: The included 1.0-meter cable end is equipped with a protective sleeve, effectively preventing impedance changes caused by compression deformation of the coaxial cable when passing through the unit's conduit.
  • End Physical Protection: The probe head is die-cast with a special PPS material, protecting the internal induction coil from displacement even in the event of minor impacts during installation.
  • High-Frequency Modulated Signal: The probe modulates physical displacement into a high-frequency current signal through electromagnetic induction, possessing strong resistance to low-frequency magnetic field interference (such as motor brush sparks).
  • ClickLoc Gold Sealing Technology: The connector provided by Option 02 not only prevents loosening, but its gold electrode layer ensures extremely low contact resistance even with very low voltage transmission (mV level).
  • Impedance Matching Mechanism: A 50-ohm dynamic impedance match is achieved between the probe cable and the 330180 preamplifier, ensuring no reflection interference during signal transmission and guaranteeing accurate waveforms.
  • Long-Distance Transmission Stability: With shielded extension cables, signals can be stably transmitted to control rooms hundreds of meters away, and the signal attenuation rate fully complies with API 670 standards.
  • Turbine Monitoring: Used for shaft vibration monitoring of large steam turbines or gas turbines, especially for installations requiring penetration of heavy housings.
  • Centrifugal Compressors: Captures high-speed radial runout of the rotor, enabling automatic over-limit trip protection via the 3500 system.
  • Thrust Clearance Measurement: Acts as a safety sentinel for thrust bearings, accurately feeding back axial position changes to prevent catastrophic dynamic and static abrasion.
  • Key phase pulse acquisition: Installed at the journal groove, it provides a trigger signal for rotating machinery once per revolution, used for phase analysis and dynamic balance calculation.
Description
The Bently Nevada 330101-00-39-20-02-05 3300 XL 8 mm Probe is a state-of-the-art eddy current proximity transducer designed for advanced rotating machinery monitoring. It provides accurate static and dynamic measurements of radial vibration and axial displacement while maintaining exceptional temperature stability from -52°C to +177°C (-62°F to +350°F).

This probe integrates seamlessly into the 3300 XL 8 mm system, offering full interchangeability with other system components, including extension cables and Proximitor sensors, which eliminates the need for individual component calibration. The backward compatibility with non-XL 3300 5 mm and 8 mm series probes allows flexible deployment in applications with limited mounting space, ensuring operational versatility.

Constructed with a miniature coaxial ClickLoc connector and robust 3/8-24 UNF thread, the 330101-00-39-20-02-05 probe maintains installation reliability and environmental protection. The system meets CSA, ATEX, and IECEx approvals, making it suitable for hazardous industrial areas, while supporting long-term monitoring and high-accuracy Keyphasor speed measurements.

The 3300 XL 8 mm system, including the 330101-00-39-20-02-05 probe, fully complies with the American Petroleum Institute’s (API) 670 standard for mechanical configuration, linearity, and performance under temperature variations. This ensures predictable, consistent measurement outputs for fluid-film bearing machines and other critical rotating equipment.
Alternative Names
330101-00-39-20-02-00 330101-00-39-20-02-BR 330101-00-39-20-02-RU 330101-00-39-20-02-CN 330101-00-39-20-01-05 330101-00-39-20-00-05 330101-00-39-20-12-05
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FAQS

The following is a list of questions commonly asked by our customers. Please contact us if you have a question about our process that is not answered below.
How is the probe installed?
It mounts with a 3/8-24 UNF thread and connects via a miniature coaxial ClickLoc connector for secure and reliable installation.
What is the temperature range of the 330101-00-39-20-02-05?
The probe operates and stores safely from -52°C to +177°C (-62°F to +350°F), maintaining stable measurements in extreme conditions.
Can it be used in hazardous industrial environments?
Yes, the 330101-00-39-20-02-05 is certified with CSA, ATEX, and IECEx approvals, making it suitable for classified areas.
Why choose the 3300 XL 8 mm probe over older 5 mm systems?
The 330101-00-39-20-02-05 offers higher linearity, API 670-compliant performance, and backward compatibility with 5 mm probes for flexible deployment.