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330909-00-20-05-02-05

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The 330909-00-20-05-02-05 is a 3300 NSv Proximity Probe featuring a 3/8-24 UNF thread with armor protection. This model includes a 0.5 meter (20 inch) total length with an overall case length of 2.0 inches and unthreaded length of 0.0 inches.
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Technical specifications for 330909-00-20-05-02-05

  • Manufacturer:
    Bently Nevada
  • Part Number:
    330909-00-20-05-02-05
  • Product Family:
    NSV Probe
  • Product Type:
    3300 NSv Proximity Probe
  • Thread Type:
    3/8-24 UNF (with armor)
  • Total Length:
    0.5 meter (20 inches)
  • Unthreaded Length:
    0.0 inches
  • Overall Case Length:
    2.0 inches
  • Connector Type:
    Miniature coaxial ClickLoc™
  • Connector Material:
    Gold-plated brass
  • Cable Type:
    Standard cable
  • Agency Approvals:
    Multiple Approvals
  • Key Benefit:
    Model 330909-00-20-05-02-05 addresses measurement accuracy challenges in confined spaces with superior side-view characteristics versus 3000-series 190 probes.
  • Weight:
    0.1 kg
  • Estimated shipping dimensions:
    1.5x1.3x121cm
  • Tariff Code:
    8479899990
  • 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 Applications Chemical Pressure Monitoring

Features:

  • 3/8-24 UNF thread with armor protection provides enhanced mechanical durability for standard UNF mounting applications in harsh industrial environments.
  • Increased chemical resistance compared to 3300 RAM probes enables reliable operation in process compressor applications with exposure to aggressive media.
  • Superior side-view characteristics versus 3000-series 190 probes allow accurate measurements in confined spaces where optimal probe orientation is limited.
The 330909-00-20-05-02-05 is engineered with a 3/8-24 UNF thread and full armor protection, delivering exceptional mechanical durability for demanding industrial environments. The armored construction shields the probe against crushing, abrasion, and impact damage during installation and operation—critical in heavy machinery applications such as compressors, turbines, and large rotating equipment. With a compact overall case length of 2.0 inches and a 0.5 meter total length, this probe provides the reach needed for standard installations while maintaining the ruggedness required for long-term reliability.

The 330909-00-20-05-02-05 offers significantly increased chemical resistance compared to the previous 3300 RAM probe designs, making it ideally suited for process compressor applications where exposure to aggressive media is a daily reality. In environments such as natural gas compression, chemical processing, and refinery operations, probes are routinely exposed to sour gas, corrosive vapors, lubricating oils, and chemical solvents that can degrade standard materials over time.

The 330909-00-20-05-02-05 delivers superior side-view characteristics compared to the 3000-series 190 probe when gapping at the same distance from the probe target—a critical advantage in applications where space constraints limit optimal probe orientation. In tightly packed machinery such as centrifugal compressors, steam turbines, and gearboxes, achieving perfect perpendicular alignment between probe and target is often physically impossible.

The 330909-00-20-05-02-05 Bently Nevada 3300 NSv Proximity Probes may still be available for purchase and support from Apter Power beyond End-Of-Life (EOL) by the manufacturer (OEM).

Bently Nevada 330909-00-20-05-02-05 3300 NSv Proximity Probes Manuals, Datasheets, Drivers, 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 330909-00-20-05-02-05 3300 NSv Proximity Probes Specs

General

  • Manufacturer GE / Bently Nevada
  • Model 330909-00-20-05-02-05
  • Condition New Original ready stock
  • Product Family 330909-00-20-05-01-05,330909-00-20-05-11-05,330909-00-20-05-02-00
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.
  • Typical Equipment: Centrifugal air compressors, refrigeration compressors, small process gas compressors, and pumps.
  • Radial Vibration and Position: Suitable for thin shafts with a diameter less than 51 mm (2 in).
  • Axial (Thrust) Position: Suitable for small planar targets with a diameter less than 15 mm (0.6 in).
  • Corrosion Resistance: Employs a Polyphenylene Sulfide (PPS) probe tip, offering superior chemical stability compared to the older RAM system, suitable for compressor environments containing corrosive gases.
  • Pressure Seal: Features an internal pressure seal, but continued exposure below may impair its performance.
  • Hazardous Areas: The 05 at the end of the code indicates multi-national explosion-proof certifications (such as CSA, ATEX, IECEx), suitable for Zone 0/Class 1 flammable and explosive environments.
  • Integrated Monitoring System 3500: Typically integrated with the Bently Nevada 3500 mechanical protection system for automatic alarms, shutdown protection, and status diagnostics.
  • RFI/EMI Protection: The system features improved RF interference immunity, ensuring stable signal in complex electromagnetic environments.
  • Control Parameter Analysis: This model (330909) uses 3/8-24 UNF threads with stainless steel armor. The probe cable length is 0.5 meters. Appropriate extension cables must be used during system circuit wiring to ensure a consistent total system length (typically 5 or 7 meters).
Description
The 330909-00-20-05-02-05 features a 3/8-24 UNF thread configuration with armor protection, providing enhanced durability for demanding industrial installations requiring standard UNF mounting threads. This model includes a 0.5 meter (20 inch) total length with an overall case length of 2.0 inches and unthreaded length of 0.0 inches. 

The 330909-00-20-05-02-05 is mechanically and electrically compatible and interchangeable with Bently Nevada's previous 3300 RAM proximity probe designs. This NSv probe features increased chemical resistance compared to the 3300 RAM probe, allowing its use in many process compressor applications where exposure to aggressive media is common. 

The side-view characteristics of the 330909-00-20-05-02-05 are superior to those of the 3000-series 190 probe when gapping at the same distance from the probe target. This improved performance enables more accurate measurements in confined spaces and applications where probe orientation presents challenges. 

The 330909-00-20-05-02-05 represents a complete solution for applications requiring 3/8-24 UNF mounting threads with armor protection and multiple agency approvals. This NSv probe delivers reliable vibration and position monitoring while the increased chemical resistance and superior side-view characteristics ensure long-term performance in demanding process environments. 
Alternative Names
330909-00-20-05-01-05 330909-00-20-05-11-05 330909-00-20-05-12-05 330909-00-20-05-02-00
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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.
What installation advantage does the 2.0-inch overall case length provide for the 330909-00-20-05-02-05?
The compact 2.0-inch case length allows installation in space-constrained applications where longer probes cannot be accommodated, such as tightly packed machinery or limited clearance installations.
How does the 330909-00-20-05-02-05 improve upon previous 3300 RAM probe designs?
This NSv probe offers increased chemical resistance for process compressor applications and superior side-view characteristics, while maintaining complete mechanical and electrical interchangeability with RAM probes for seamless upgrades.
What makes the side-view characteristics of the 330909-00-20-05-02-05 superior to 3000-series probes?
Improved side-view response allows accurate gapping at the same distance as 190-series probes, enabling reliable measurements in confined spaces where optimal probe orientation cannot be achieved.
What protection does the armor on the 330909-00-20-05-02-05 provide?
The armored construction protects against crushing, abrasion, and impact damage during installation and operation in harsh industrial environments where standard probes would be vulnerable to mechanical failure.