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The Bently Nevada 330905-00-08-10-02-00, also cataloged as the 330905 Proximity Sensors, operates as a dedicated hardware component for non-contact shaft vibration and displacement measurement within 3300 NSv Machinery Monitoring System platforms. The probe assembly features an M10 x 1 metric thread profile with 0 mm unthreaded length, 80 mm overall case length, and a 1.0 m (39 in) standard coaxial cable without armor terminated by a miniature coaxial ClickLoc connector.

Suffix Breakdown & Model Matrix

Option Code Parameter Designation Selected Configuration
330905 Base Model 3300 NSv Probe, M10 x 1 thread, without armor
-00 Unthreaded Length 0 mm
-08 Overall Case Length 80 mm
-10 Total Length Option 1.0 m (39 in)
-02 Connector & Cable Type Miniature coaxial ClickLoc connector, standard cable
-00 Agency Approval Option Not required

Hardware Specifications

Parameter Specification
Model 330905-00-08-10-02-00
Brand Bently Nevada
Origin United States
Weight 0.45 kg (1.0 lb)
Dimensions M10 x 1 metric thread profile (80 mm overall case length)
Operating Temp -51 deg C to +177 deg C (-60 deg F to +350 deg F)
Power Consumption Passive transducer (Powered via Proximitor Sensor)
Thread Specification M10 x 1 metric thread
Cable Armor Unarmored standard coaxial cable
Unthreaded Length 0 mm
Overall Case Length 80 mm
Total Cable Length 1.0 m (39 in)
Connector Type Miniature coaxial ClickLoc connector
Agency Approvals Not required (Option 00)

Mechanical Monitoring & TSI Performance

The 330905-00-08-10-02-00 probe executes dynamic rotor dynamics analysis on narrow target surfaces and small-diameter shafts where tight side-view clearances restrict conventional transducers. Operating on high-frequency eddy-current probe scaling, the probe maintains a linear differential output proportional to target gap change when coupled with a 3300 NSv Proximitor Sensor. Aligning the physical probe body to achieve gap voltage validation targeted at -10 VDC centers the signal in its linear operating zone, securing optimum frequency response and cross-talk suppression between orthogonal X-Y channel pairs.

Frequently Asked Questions

Q: What gap voltage level validates proper mechanical positioning for the 330905 probe?

A: Adjust insertion depth until the output voltage measured at the connected 3300 NSv Proximitor Sensor equals -10 VDC, corresponding to the linear range midpoint.

Q: Can the 1.0 m probe coaxial cable connect directly to system monitoring rack channels?

A: No. The integrated 1.0 m (39 in) probe cable must connect to a matching 3300 NSv extension cable to complete the 5.0 m or 7.0 m total electrical loop length required by the Proximitor.

Q: What distinguishes the 3300 NSv probe series from standard 8 mm probes in compact housings?

A: The 3300 NSv transducer features a smaller tip diameter and reduced side-view footprint, preventing electrical side-wall clearance errors in tight bearing counterbores.

Field Installation Guidelines

  1. Thread the M10 x 1 probe case into the internal bearing block or mounting bracket using hand tools without exceeding rated torque limits.
  2. Ensure a minimum of 5 full engaged threads on the mounting port to lock the assembly securely against machine vibration.
  3. Route the unarmored coaxial cable along rigid support runs, maintaining smooth bend radii to prevent conductor damage or shield crimping.
  4. Wipe the miniature ClickLoc connector interfaces to remove grease or metallic dust prior to snapping the sleeve into its locked mechanical position.

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