330106-05-30-30-02-CN Bently Nevada 3300 XL 8mm Reverse Mount Probe

Overview

The 330106-05-30-30-02-CN is a premier 3300 XL 8 mm Reverse Mount Proximity Probe from Bently Nevada. This transducer system is engineered for continuous measurement of shaft vibration and position in high-speed rotating machinery. Utilizing advanced PPS tip construction and a robust stainless steel housing, it ensures long-term operational stability in severe industrial environments.

Configuration Breakdown

• Series: 3300 XL 8 mm Proximity Probe
• Model: 330106 — Reverse Mount Probe
• Suffix Options:
  • -05: Unit Transducer System (M10 x 1 Thread)
  • -30: 3.0 meters Total Length
  • -30: Connector Type (Standard)
  • -02: Miniature ClickLoc™ Connector
  • -CN: Country Specific Agency Approval

Engineering Specifications

• Linear Range: 0.25 to 2.3 mm (10 to 90 mils).
• Scale Factor: 7.87 V/mm (200 mV/mil).
• Temperature Range: -52°C to +177°C (Standard).
• Probe Tip: Polyphenylene sulfide (PPS).
• Case Material: AISI 303/304 Stainless Steel.
• Pressure Seal: Viton® O-ring (differential pressure rated).

Comparison & Selection Guide

Compare with: 330106-05-30-15-12-05

• Differences: The 330106-05-30-15-12-05 features a different cable/extension configuration (-15) versus the standard configuration of the 330106-05-30-30-02-CN.
• Selection Advice: Ensure your mounting requirement matches the M10x1 thread engagement (15mm max). If your application involves high ambient magnetic fields, verify the "3.0 meter" cable length remains within the required proximity sensor load limits to avoid signal rolloff.

Global PLC Spare HUB's Insight

Our analysis defines the 330106-05-30-30-02-CN as the gold standard for "reverse mount" configurations where the probe is installed from inside the machine casing. Its immunity to magnetic fields (up to 300 Gauss) makes it ideal for generators and large centrifugal compressors. The ClickLoc connector is highly resistant to thermal cycling, preventing the intermittent electrical shorts common in cheaper transducer alternatives.

Applications & Diagnostics

• Target Equipment: Gas turbines, hydro-turbines, and high-pressure steam compressors.
• Diagnostic Capability: Real-time radial vibration, shaft eccentricity, and axial thrust measurement.
• Integrity: Gold-plated ClickLoc connectors minimize impedance fluctuations in harsh electromagnetic environments.

Logistics & Quality Assurance

• Shipping: Expedited global transit via FedEx, UPS, and DHL.
• Dispatch: Orders are processed within 24-48 hours.
• Warranty: 12-month manufacturer performance warranty.

Technical FAQ

Q: What are the risks of exposing this probe to temperatures below -34˚C?
A: Operating below this threshold can cause the Viton O-ring pressure seal to harden, leading to potential failure of the hermetic seal and gas migration.

Q: How does the "Reverse Mount" design differ from standard probes?
A: Reverse mount probes are designed to be threaded through the internal side of a bearing housing, with the probe cable exiting the interior of the machine.

Q: Can I replace a standard probe with an "Extended Temperature" version?
A: Only if the entire loop (probe, extension cable, and Proximitor sensor) is calibrated for the specific system length; mixing temperature grades without recalibration will alter the Scale Factor.

Q: How often should I check the gap setting?
A: It is recommended to perform a "Gap Voltage" check during every major outage; nominal gap voltage should be monitored to ensure the probe remains in the linear measurement range.

Q: Selection Advice: Why does the DC resistance vary with cable length?
A: DC resistance is a function of conductor length and material; longer cables have higher resistive losses, which is why the 3.0m probe has a specific RPROBE value of 8.17 Ω ± 0.50 Ω.

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