330171-12-23-10-01-05 3300 XL 5mm Proximity Probe | New Original

Product Introduction

The 330171-12-23-10-01-05 is a high-performance 3300 XL 5mm Proximity Probe designed for non-contacting vibration and displacement measurements. Engineered by Bently Nevada, this 330171 series sensor is specifically optimized for fluid-film bearing machines with smaller diameter shafts. For comprehensive wiring diagrams and calibration curves, we strongly advise users to download the latest technical datasheet and installation manual.

Technical Specifications

• Brand: Bently Nevada
• Model: 330171-12-23-10-01-05
• Series: 3300 XL 5mm
• Type: 1/4-28 UNF Threaded Proximity Probe
• Measurement Range: 2.0 mm (80 mils) linear range
• Linearity: Within ± 0.025 mm (1 mil) over 2.0 mm range
• Sensitivity: 7.87 V/mm (200 mV/mil)
• Frequency Response: 0 Hz to 10 kHz (-3 dB)
• Resolution: High-resolution displacement sensing (sub-micron)
• Ambient Temperature: -35°C to +177°C operating range
• Resistance: 7.59 Ω ± 0.50 (Center to Outer Conductor)
• Tip Material: Polyphenylene sulfide (PPS) high-temp polymer
• Case Material: AISI 304 Stainless Steel

Configuration Breakdown

• 330171 (Base Model: 3300 XL 5mm Probe, 1/4-28 UNF, No Armor)
  • ⌊ 12 — Unthreaded Length: 1.2 inches
  • ⌊ 23 — Overall Case Length: 2.3 inches
  • ⌊ 10 — Total Length: 1.0 Meter (3.3 Feet)
  • ⌊ 01 — Connector: ClickLoc with Connector Protector
  • ⌊ 05 — Approval: Multiple Agency Approvals

Global PLC Spare HUB's Insight

The 330171-12-23-10-01-05 is a specialized variant within the 330171 family, featuring the "01" connector option which includes a pre-installed connector protector. This is critical for preventing cross-threading and moisture ingress at the probe-to-extension cable junction. From an engineering perspective, the 5mm tip allows for a smaller mounting footprint compared to standard 8mm probes, making it ideal for restricted access areas in centrifugal pumps and turbines.

Typical Application & Diagnostics

• Radial Vibration: Real-time monitoring of shaft movement within sleeve bearings.
• Axial Thrust: Measuring rotor position to prevent catastrophic contact with stationary components.
• Speed Sensing: High-frequency response enables precise Keyphasor and RPM detection.
• Diagnostic Ability: Captures orbit plots and time-base waveforms when paired with 3500/M series monitors.
• Compatible Equipment: Fits high-speed turbines, compressors, motors, and industrial fans.

Logistics and Quality Guarantee

• Condition: Authentic product in original packaging.
• Warranty: 12-Month standard industrial warranty.
• Shipping Time: Fast 24-48 hour dispatch window.
• Carrier Options: Worldwide express via FedEx, UPS, or DHL.

Expert FAQ

• What is the purpose of the "01" connector protector on this 330171 probe?
  It provides extra mechanical support and environmental sealing, preventing the ClickLoc connector from loosening due to machine vibration.
• Can I install this probe into a mounting hole smaller than a #3 drill size?
  No. For the 1/4-28 UNF thread of the 330171-12-23-10-01-05, a #3 tap drill is the minimum recommended to ensure proper thread engagement and prevent casing stress.
• How does the PPS tip material handle chemical exposure?
  Polyphenylene sulfide (PPS) is highly resistant to most industrial lubricants and corrosive gases, making it suitable for harsh refinery environments.
• Is the 1.0m total length of the 330171-12-23-10-01-05 compatible with a 9-meter Proximitor?
  Yes, provided you use an 8.0-meter extension cable to reach the required 9.0-meter system total. System length must always match the Proximitor rating.
• How do I prevent "cross-talk" between two 5mm probes?
  Ensure a minimum side-to-side separation of at least 25mm (1 inch) between probe tips to avoid magnetic field interference between adjacent sensors.

Purchasing Guidance

• Thread Selection: Ensure your machine housing is tapped for 1/4-28 UNF; for metric M8, use the 330173 series instead.
• Length Matching: Calculate your unthreaded vs. threaded length needs carefully to ensure the probe tip reaches the target without bottoming out.
• Armor Requirement: This model is "Without Armor." If your application requires protection against physical abrasion, select a model with stainless steel braiding.

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