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330908-00-20-10-02-00

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330908-00-20-10-02-00 is a 1-meter 3300 NSv probe with 3/8-24 thread, 2.0-inch case, zero unthreaded length, standard cable, and no hazardous area approvals.
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Technical specifications for 330908-00-20-10-02-00

  • Manufacturer:
    Bently Nevada
  • Part Number:
    330908-00-20-10-02-00
  • Product Family:
    NSV Probe
  • Product Type:
    Proximity Probe
  • Stock:
    1
  • Armor:
    Without armor
  • Unthreaded Length (AA):
    00 = 0.0 inches
  • Overall Case Length (BB):
    20 = 2.0 inches
  • Total Length (CC):
    10 = 1.0 meter (39 inches)
  • Connector/Cable (DD):
    02 = Miniature coaxial ClickLoc connector, standard cable
  • Agency Approval (EE):
    00 = Not required
  • Average Scale Factor:
    7.87 V/mm (200 mV/mil)
  • Linear Range:
    1.5 mm (60 mils)
  • Pull Strength:
    220 N (50 lbf) - TiLoc/CableLoc
  • Connector Type:
    Gold-plated ClickLoc
  • Weight:
    0.05 kg
  • Estimated shipping dimensions:
    1.5x1.3x69cm
  • 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 Application Diagnostics Mechanical Installation

Features:

  • 330908-00-20-10-02-00 provides 1-meter NSv probe with 3/8-24 thread, 2.0-inch case, zero unthreaded length.
  • Enhanced sideview and small target characteristics for tight installations, small shafts, and small targets.
  • TiLoc and CableLoc deliver 220N pull strength with gold ClickLoc connectors for reliable vibration monitoring.
The 330908-00-20-10-02-00 is specifically designed for machinery monitoring applications where standard 5 mm and 8 mm probes cannot fit due to space constraints. The zero unthreaded length (00) means the 3/8-24 UNF threads begin immediately at the probe tip, eliminating any smooth cylindrical section before threading. The 2.0-inch case length provides a compact probe body for shallow mounting holes. The 1.0-meter total length allows the Proximitor sensor to be mounted at a moderate distance. This configuration satisfies the NSv design rule requiring unthreaded length to be at least 0.7 inches less than case length (0.0" ≤ 2.0" - 0.7" = 1.3").

The 330908-00-20-10-02-00 is optimized for applications where standard transducers cannot reliably measure due to target size limitations. It is ideal for measuring radial vibration on shafts smaller than 51 mm (2 inches) in diameter or axial position on flat targets smaller than 15 mm (0.6 inches). The enhanced sideview characteristics of the NSv probe are superior to those of the 3000-series 190 probe when gapped at the same distance from the probe target. The average scale factor is 7.87 V/mm (200 mV/mil), which is the most common output for eddy current transducers. The linear range is 1.5 mm (60 mils), which exceeds the linear range of the 3000-series 190 Transducer System.

The 330908-00-20-10-02-00 incorporates patented design features for maximum durability in industrial environments. TiLoc molding creates a permanent, robust bond between the probe tip and the probe body, eliminating a common failure point found in older designs where the tip could become loose due to vibration or thermal cycling. This is critical in high-vibration applications such as compressors and turbines. CableLoc technology secures the probe cable with 220 N (50 lbf) pull strength, preventing accidental disconnection during installation or machine operation. The gold-plated ClickLoc connectors are corrosion-resistant and lock into place with a positive click, preventing loosening from vibration.

The 330908-00-20-10-02-00 Bently Nevada Proximity Probe may still be available for purchase and support from Apter Power beyond End-Of-Life (EOL) by the manufacturer (OEM).

Bently Nevada 330908-00-20-10-02-00 Proximity Probe 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 330908-00-20-10-02-00 Proximity Probe Specs

General

  • Manufacturer GE / Bently Nevada
  • Model 330908-00-20-10-02-00
  • Condition New Original ready stock
  • Product Family 330908-00-20-10-02-05,330908-00-20-10-02-CN,330908-00-20-10-02-RU
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.
  • Small Diameter Shafts: Standard probes suffer from a compromised scale factor on small targets. The NSv probe is optimized for shafts smaller than 51 mm (2.0 inches).
  • Confined Installation Spaces: Ideal for machinery with severe counterbore, side-view, or rear-view restrictions that would otherwise cause side-wall interference.
  • Centrifugal and Process Gas Compressors: Widely used in centrifugal air compressors, refrigeration compressors, and small turboexpanders.
  • Industrial Pumps and Small Steam Turbines: Monitors fluid-film bearing performance and rotor dynamics in high-speed, low-clearance equipment.
  • Dynamic Radial Vibration: Tracks actual shaft centerline movement and orbit paths within the fluid-film bearing, alerting operators to unbalance, misalignment, or oil whirl.
  • Axial (Thrust) Position Monitoring: Measures micro-inch axial shifts of the rotor shaft to prevent catastrophic internal contact between the compressor impellers and the machine casing.
  • Transducer Self-Diagnostics (NOT OK Signal): The connected Proximitor sensor continuously checks the electrical integrity of the probe circuit. If the probe cable breaks, short-circuits, or detaches, the system drops the DC bias voltage and flags a "NOT OK" status to the control room, preventing false machine trips.
  • Target Material Calibration: The standard system is calibrated at the factory using AISI 4140 steel. If your machinery uses a different target alloy, the system requires bench recalibration to adjust the scale factor.
  • Mechanical Gapping: Thread the probe into the mounting bracket or housing until the electrical gap sits at the center of its 1.5 mm (60 mils) linear range. Measure this using a digital multimeter checking the Proximitor’s DC output voltage (typically targeted around -9.0 Vdc for the midpoint of the NSv system) or verified manually with a feeler gauge.
  • Side-View Clearance: Ensure a minimum clearance radius around the tip. While the NSv has a tighter magnetic field than standard probes, it still requires adequate spacing from counterbore walls to prevent eddy-current dissipation into the housing.
Description
The 330908-00-20-10-02-00 is a 3300 NSv proximity probe featuring a 3/8-24 UNF thread without armor. This configuration specifies zero unthreaded length (00), 2.0 inches overall case length (20), and a total probe length of 1.0 meter (10). 
The 330908-00-20-10-02-00 is specifically engineered for applications with tight installation requirements where standard 3300 and 3300 XL 5 and 8 mm probes cannot fit. With zero unthreaded length, the 3/8-24 UNF threads begin immediately at the probe tip, while the 2.0-inch case length provides a compact probe body. 

The 330908-00-20-10-02-00 is ideal for small target applications such as measuring radial vibration on shafts smaller than 51 mm (2 in) or axial position on flat targets smaller than 15 mm (0.6 in). The 330908-00-20-10-02-00 features enhanced sideview and small target characteristics compared to standard probes. 

The 330908-00-20-10-02-00 utilizes patented TiLoc molding for robust tip-to-body bonding and CableLoc design providing 220 N (50 lbf) pull strength. The 330908-00-20-10-02-00 is mechanically and electrically compatible with previous 3300 RAM probes. The gold-plated ClickLoc connectors lock into place and prevent loosening. 
Alternative Names
33O9O8-OO-2O-1O-O2-OO 330908-00-20-I0-02-00 330908 00 20 10 02 00 330908-00-20-10-02-05 330908-00-20-10-02-CN 330908-00-20-10-02-RU 330908-00-19-10-02-05 330905-00-10-10-02-00
Technical notes
The 330908-00-20-10-02-00 is a 1-meter NSv probe with 3/8-24 thread, 2.0-inch case, zero unthreaded length, and standard cable. Features 7.87 V/mm scale factor, 1.5mm linear range, and 220N pull strength. Ideal for tight installations and small targets. No hazardous area approvals. Requires matching extension cable for total system length.
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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 applications use 330908-00-20-10-02-00?
330908-00-20-10-02-00 is for tight installations, small shafts (<51mm), and small targets (<15mm) in compressors and fluid-film bearing machines.
What is the pull strength of 330908-00-20-10-02-00?
330908-00-20-10-02-00 provides 220 N (50 lbf) pull strength via patented CableLoc technology, securing the cable to the probe tip.
What is the linear range of 330908-00-20-10-02-00?
330908-00-20-10-02-00 has a linear range of 1.5 mm (60 mils) with average scale factor of 7.87 V/mm (200 mV/mil).
Does 330908-00-20-10-02-00 have hazardous area approvals?
No, option 00 on 330908-00-20-10-02-00 means no hazardous area approvals. For approvals, order option 05 instead.