173688-01-20-12-05 Proximity Sensor 3300 XL Bently Nevada | New

Engineering Core & System Profile

• The 173688-01-20-12-05 is a precision eddy current sensor from the Bently Nevada 3300 XL series.
• This 8 mm proximity probe is designed for non-contacting vibration and displacement monitoring on high-speed rotating assets.
• It features a PPS tip and stainless steel housing for maximum durability in harsh industrial environments.
• The FluidLoc cable technology prevents oil and moisture migration through the cable lead, protecting secondary electronics.

Configuration Breakdown & Hierarchy

• 173688 — 3300 XL 8 mm Proximity Probe (1/2-14 NPT Thread)
  • -01 [Unthreaded Length]: 0.1 inch short-reach mounting
  • -20 [Overall Case Length]: 2.0 inch total housing
  • -20 [Total System Length]: 2.0 Metres (6.6 Feet) match-calibrated
  • -12 [Connector/Cable]: Miniature ClickLoc with FluidLoc Moisture-Blocked Cable
  • -05 [Agency Approval]: CSA, ATEX, IECEx (Hazardous Area Rated)

Technical Specification Matrix

• Manufacturer: Bently Nevada
• Model: 173688-01-20-12-05
• Tip Material: Polyphenylene sulfide (PPS)
• Housing: AISI 303/304 Stainless Steel (SST)
• Sealing: Integrated Viton O-ring for differential pressure
• Mounting: 1/2-14 NPT thread
• Net Weight: 0.323 Kg

Global PLC Spare HUB's Insight

• The 173688-01-20-12-05 is an excellent choice for compact machine housings.
• The -12 FluidLoc cable is a critical safety upgrade for oily or high-humidity environments where standard cables often fail due to wicking.
• This 2-meter system provides superior signal-to-noise ratios by shortening the distance to the Proximitor.

Diagnostic Capabilities & Application Scope

• Precision Output: Delivers a linear scale factor of 200 mV/mil when properly gapped with a 3300 XL Proximitor.
• Gap Diagnostics: Real-time DC voltage monitoring identifies physical displacement errors or probe-to-target contact.
• Suitable Equipment: Centrifugal compressors, gearboxes, and boiler feed pumps.
• Common Uses: Radial vibration analysis and axial thrust position sensing.

Commercial & Logistics Terms

• Dispatch Window: Dispatched within 24-48 hours via FedEx, UPS, or DHL.
• Warranty: Includes a comprehensive 12-month factory-standard quality guarantee.
• Authenticity: Guaranteed genuine Made in U.S.A hardware in original factory packaging.

Professional FAQ & Selection Guidance

• When is the 2.0-meter system length preferred?
• It is ideal for compact machines where the Proximitor is mounted close to the probe to minimize signal loss and cable clutter.
• What is the primary benefit of the PPS tip?
• PPS is chemically resistant and thermally stable, preventing tip deformation in hot, oily industrial environments.
• Can I use this probe with a non-Bently monitor?
• Yes, as long as the monitor accepts a 200 mV/mil eddy current signal and provides -24V DC excitation.
• Does the FluidLoc cable require special installation tools?
• No, it installs like a standard lead, but avoid pinching the cable to maintain the moisture-blocking integrity.
• How do I verify the ClickLoc connector is secure?
• Listen and feel for a physical "click" during mating to ensure a low-noise electrical connection.

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