Bently Nevada 330103-02-06-10-02-CN 3300 XL 8 mm Proximity Probe

Product Overview

330103-02-06-10-02-CN is a Bently Nevada 3300 XL 8 mm proximity probe designed for continuous shaft vibration and position monitoring in rotating machinery. This probe belongs to the 3300 XL proximity transducer family and supports high-reliability vibration protection systems used in gas turbines, steam turbines, compressors, pumps, and critical process equipment. The probe uses a 3/8-24 UNF threaded stainless steel housing with a standard cable and miniature ClickLoc connector for secure installation in confined industrial environments.

The probe operates in refinery units, petrochemical plants, offshore platforms, mining systems, and power generation facilities where accurate shaft displacement monitoring directly reduces unplanned shutdown risk. The CN approval suffix indicates Chinese hazardous area certification support, including NEPSI-related explosion protection compliance for explosive gas environments. Its stable output characteristics and low supply sensitivity improve signal integrity during long-term operation under vibration and temperature fluctuation conditions.

Suffix Breakdown

• 330103 = 3300 XL 8 mm Probe, 3/8-24 UNF thread, without armor

• 02 = 20 mm unthreaded length

• 06 = 60 mm overall case length

• 10 = 1.0 metre total cable length

• 02 = Miniature coaxial ClickLoc connector with standard cable

• CN = Chinese hazardous area approvals including NEPSI certification support

Technical Specifications

Technical FAQs

Can this probe operate with standard 3300 XL proximitor sensors?

Yes. The probe supports standard Bently Nevada 3300 XL 8 mm proximitor sensor systems when the total system length matches calibration requirements.

What does the CN suffix represent?

The CN suffix represents Chinese country-specific hazardous area approvals. It typically includes NEPSI-related explosion protection certification for explosive gas environments.

Can this probe replace older 3300 series probes?

In many retrofit projects, the 3300 XL series replaces older 3300 probes. Engineers must verify system length, mounting dimensions, and proximitor compatibility before replacement.

What causes unstable shaft vibration readings?

Improper gap voltage adjustment, damaged shielding, excessive cable bending, or incorrect grounding often cause unstable readings in proximity systems.

Engineering & Installation Guide

Install the probe with proper target material clearance and verify gap voltage during commissioning. Incorrect gap settings reduce linear measurement accuracy.

Route the extension cable separately from high-voltage motor cables and VFD wiring. This practice minimizes electromagnetic interference and prevents signal distortion.

Avoid excessive cable tension near the ClickLoc connector. Repeated mechanical stress can damage internal conductor shielding and reduce long-term reliability.

For hazardous area installations, confirm that the complete transducer system maintains matching certification requirements, including barriers and associated apparatus.