330909-00-40-05-11-00 Bently Nevada Armored Probe 3300 NSv New

330909-00-40-05-11-00 Bently Nevada 3300 NSv Proximity Probe (Armored)

Product Overview

• The Bently Nevada 330909-00-40-05-11-00 is a high-precision NSv (Near Surface) proximity probe optimized for small-bore machinery.
• This 330909-00-40-05-11-00 model features a 3/8-24 UNF thread and integrated stainless steel armor for maximum mechanical protection.
• Equipped with FluidLoc technology, the 330909-00-40-05-11-00 prevents oil or moisture from wicking through the cable into the Proximitor.
• Designed specifically for centrifugal compressors and pumps where standard 8mm probes cannot be accommodated due to space constraints.

Configuration Breakdown (Tree Structure)

• Model: 330909 — 3300 NSv Probe, 3/8-24 UNF Thread, Armored
  • — Unthreaded Length [00]: 0.0 in
  • — Overall Case Length [40]: 4 in
  • — Total Length [05]: 0.5 Metre (20 in)
  • — Connector/Cable Option [11]: ClickLoc Connector w/ Protector & FluidLoc Cable
  • — Agency Approval [00]: Not Required

Technical Specifications

• Manufacturer: Bently Nevada (Made in U.S.A)
• Model No: 330909-00-40-05-11-00
• Probe Tip Material: Polyphenylene Sulfide (PPS)
• Case Material: AISI 304 Stainless Steel (SST)
• Center-to-Outer Resistance: 4.0 ± 0.5 Ω
• Operating Temperature: -52°C to +177°C (-62°F to +351°F)
• Thread Engagement Limit: 0.563 in Max
• Recommended Torque: 11.3 N•m (100 in•lb)
• Cable Impedance: 75 Ω Coaxial
• Sealing: Integrated Viton O-ring for differential pressure

Global PLC Spare HUB's Insight

• The Bently Nevada 330909-00-40-05-11-00 is the industry standard for small-bore radial vibration monitoring.
• Professional installers prefer the Option 11 configuration because FluidLoc prevents signal drift caused by oil contamination inside the cable.
• The armored casing is essential for probes mounted inside machine sumps where loose debris or mechanical abrasion is a risk.

Model Selection Comparison & Engineering Advice

• Technical Recommendation: If your equipment experiences significant oil spray, the 330909-00-40-05-11-00 is superior. The standard 330909-00-99-10-02-00 lacks the FluidLoc seal, which may lead to premature failure in high-humidity zones.

Diagnostic Capabilities & Applications

• Shaft Radial Vibration: Continuous monitoring of high-speed rotors in centrifugal pumps.
• Axial Thrust Position: Detecting subtle shifts in shaft position within small turbines.
• Fault Detection: The 4.0 ohm center-to-outer resistance allows engineers to quickly verify circuit continuity.
• Environmental Resilience: The PPS tip ensures chemical resistance against common industrial lubricants.

Shipping & Warranty

• Dispatch Time: 24-48 hours shipment from stock.
• Express Logistics: International shipping via FedEx, UPS, and DHL.
• Quality Assurance: 12-month standard warranty on all new 330909-00-40-05-11-00 probes.

Expert FAQ & Purchasing Guide

• Why does the 330909-00-40-05-11-00 have a 0.5m length? Short probe lengths are preferred to keep the connector junction near the machine, reducing signal interference, though extension cables are required for full Proximitor connection.
• Is the ClickLoc connector compatible with standard extension cables? Yes, the miniature coaxial ClickLoc is designed to interface with the 3300 NSv extension cable series.
• Can I use this probe at temperatures below -34°C? The probe operates down to -52°C, but sustained sub-zero temperatures may affect the Viton O-ring pressure seal over time.
• What happens if I over-torque the probe case? Exceeding 33.9 N•m can deform the threads or damage the internal sensor coil; always use a calibrated torque wrench.
• How do I choose between the 330909 and the 330904 series? Check your mounting hole. The 330909-00-40-05-11-00 requires a 3/8-24 UNF hole, while the 330904-00-25-05-02-cn is meant for 1/4-28 UNF reverse-mount applications.

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