330105-02-12-15-02-05 Bently Nevada 3300 XL 8mm Proximity Probe Sensor

330105-02-12-15-02-05 Bently Nevada 3300 XL 8mm Reverse Mount Proximity Probe

The 330105-02-12-15-02-05 is a premier 8 mm proximity transducer system from the Bently Nevada 3300 XL series. Engineered for critical machine monitoring, this reverse mount probe provides precise displacement, vibration, and speed measurements. Its construction features a rugged stainless steel case and a PPS tip, ensuring high durability in pressurized and thermally demanding industrial environments.

Configuration Breakdown

Model: 330105 (3300 XL 8 mm Reverse Mount Probe)

• 02: Unthreaded Length (Standard)
• 12: Overall Case Length (120 mm)
• 15: Total Length (1.5 meters)
• 02: Connector (Miniature ClickLoc coaxial)
• 05: Agency Approvals (CSA, ATEX, IECEx)

Technical Specifications

• Tip Material: Polyphenylene sulfide (PPS)
• Case Material: AISI 303/304 Stainless Steel
• DC Resistance: 7.73 ± 0.50 Ω
• Operating Temperature: -52°C to +177°C
• Pressure Seal: Viton® O-ring
• Cable: 75Ω triaxial, FEP insulated

Diagnostic Capabilities & Applications

The 330105-02-12-15-02-05 is essential for diagnosing shaft radial vibration, axial thrust position, and rotor speed. Its high linearity and signal stability allow engineers to detect bearing wear or shaft misalignment before catastrophic failure. Ideal for steam turbines, centrifugal compressors, and heavy-duty industrial pumps.

Global PLC Spare HUB's Insight

Our experts observe that cable length is the most critical factor for signal integrity in 3300 XL systems. When replacing or installing the 330105-02-12-15-02-05, ensure the total system length (probe + extension cable) matches your calibration settings to avoid phase shift errors. This sensor is a top choice for high-reliability zones where agency approvals (ATEX/IECEx) are mandatory for explosive atmosphere compliance.

Logistics & Support

• Global Transit: Secure shipping via FedEx, UPS, or DHL.
• Dispatch: Orders processed within 24-48 hours.
• Warranty: 12-month quality guarantee on all components.

Frequently Asked Questions

Why is the probe not pressure tested before shipment?
Probes are factory-calibrated for electrical performance. Since pressure seal integrity depends on specific installation torque, we recommend a site-specific leak test after mounting.

Can I use this probe in temperatures below -34°C?
While the electrical range goes lower, temperatures below -34°C (-30°F) risk damaging the Viton® O-ring pressure seal. Use extreme caution in arctic environments.

What is the purpose of the "ClickLoc" connector?
The ClickLoc connector provides a reliable, vibration-resistant connection that prevents accidental disconnection during high-speed machine operation.

Selection Advice: When should I choose the 1.5m length?
Select the 1.5m length when the probe mounting point is physically close to the junction box to minimize signal attenuation and avoid excessive cable slack.

How can I verify the probe is functioning correctly?
Use a multimeter to measure the DC resistance between the center and outer conductors. A reading of 7.73 Ω ± 0.50 Ω confirms the internal coil integrity.

Selection Comparison

If your application requires a shorter cable length, consider the 330105-02-12-10-02-05. While both share the same sensor technology, the 1.0m variant is optimized for tighter cabinet-to-sensor mounting configurations.

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