330905-00-03-10-01-CN Bently Nevada 3300 NSv Proximity Probe

Product Engineering Overview

The 330905-00-03-10-01-CN is a high-precision eddy current proximity sensor from the Bently Nevada 3300 NSv series. Engineered specifically for centrifugal compressors and small-diameter shaft applications, this probe excels where standard 8mm sensors face spatial constraints. Its Polyphenylene Sulfide (PPS) tip ensures superior chemical resilience in aggressive industrial environments. We recommend technical personnel download the manual to ensure precise gap calibration during installation.

Download 3300 NSv Proximity Probe Technical Manual & Datasheet

Technical Specifications Matrix

• Brand: Bently Nevada
• Model: 330905-00-03-10-01-CN
• Series: 3300 NSv (Narrow Space)
• Measurement Performance
  • Linear Range: 1.5 mm (60 mils)
  • Incremental Scale Factor (ISF): 7.87 V/mm (200 mV/mil)
  • Frequency Response: 0 to 10 kHz (+0, -3 dB typical)
  • Recommended Gap Setting: 1.0 mm (40 mils)
• Material & Durability
  • Tip Material: Polyphenylene sulfide (PPS)
  • Case Material: AISI 304 Stainless Steel (SST)
  • Operating Temperature: -52°C to +177°C (-62°F to +351°F)
  • Pressure Seal: Integrated Viton O-ring
• Electrical Parameters
  • Probe DC Resistance: 4.2 Ω ± 0.5 Ω
  • Cable Type: 75 Ω coaxial, FEP insulated
  • Maximum Field Wiring: 305 meters (1,000 feet)

Configuration Breakdown

• 330905 3300 NSv Probe (M10X1 Thread)
  • -00 Unthreaded Length
    • 00 mm (Full thread configuration)
  • -03 Overall Case Length
    • 30 mm length for compact mounting
  • -10 Total Length Option
    • 1.0 meter (39 inches) integrated cable
  • -01 Connector & Cable Option
    • Miniature coaxial ClickLoc connector with protector
  • -CN Agency Approval Option
    • Country Specific Approval (China/Regional)

Global PLC Spare HUB's Insight

The 330905-00-03-10-01-CN is a "Narrow Space" specialist. In engineering practice, standard probes often suffer from "side-view" interference when mounted close to machine internals. The 3300 NSv series utilizes a tighter magnetic field, allowing it to provide accurate radial vibration data even when gapped near housing walls. This probe is the primary choice for high-speed process compressors where chemical exposure (like hydrogen sulfide) is a concern. Its diagnostic capability is centered on the DC bias voltage: monitoring for shift from the -1 to -13 Vdc linear range allows for early detection of probe looseness or shaft rub.

Selection Comparison & Engineering Guide

• 330905-00-03-10-01-CN: Fully threaded 30mm short case. Ideal for external bracket mounting or shallow ports.
• 330905-06-14-10-02-00: Features a 140mm long case with a 60mm unthreaded section. Required for reaching through thick machine casings or deep internal ports.

Technical Advice: When selecting a 330905 probe, verify your shaft diameter. If the target is smaller than 13mm (0.5 in), the scale factor will change. Always perform a calibration check if measuring on very small rotors.

Logistics & Quality Commitment

• Product Condition: 100% Brand New & Original in Factory Packing.
• Warranty Policy: Full 12-month factory warranty from date of purchase.
• Express Shipping: Guaranteed dispatch within 24-48 hours.
• Courier Services: Door-to-door delivery via FedEx, UPS, and DHL.

Professional FAQ

• Can I use this NSv probe with a standard 3300 XL Proximitor?
  No. The 330905 must be paired with an NSv-specific Proximitor. Mixing with 8mm XL components will result in incorrect Scale Factor (ISF) and unreliable data.
• What is the benefit of the PPS tip over standard materials?
  In experience-based testing, Polyphenylene sulfide (PPS) offers superior chemical resistance against process gases in compressors. It prevents the tip from becoming brittle or "bubbling" when exposed to aggressive lubricants.
• The shaft I am monitoring is 11mm. Will the 330905 work?
  Yes, but note that targets under 13mm cause a change in scale factor. For best results, reduce the gap slightly or adjust the monitor calibration to compensate for the smaller target area.
• Why is the "ClickLoc" connector (Option 01) recommended?
  ClickLoc connectors prevent the common failure mode of vibration-induced loosening. The integrated protector also shields the connection from oil mist and moisture ingress.
• Does the probe need a pressure test before installation?
  While the 330905 features a Viton O-ring seal, they are not pressure tested by the factory unless specifically requested. For high-pressure casing applications, verify seal integrity during your pre-installation checks.

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