Bently Nevada 330101-00-44-10-02-00 3300 XL 8 mm Proximity Probe

Product Overview

The 330101-00-44-10-02-00 3300 XL 8 mm proximity probe from Bently Nevada is designed for continuous shaft vibration and position monitoring in turbines, compressors, pumps, and other critical rotating machinery. It is widely used in power generation, oil and gas refining, petrochemical processing, and industrial production systems where accurate condition monitoring is required to prevent unexpected downtime and equipment failure.

This probe uses a reinforced 8 mm design with a thicker PPS encapsulated coil structure, improving mechanical strength and long-term durability in harsh industrial environments. The larger probe body enhances resistance to physical damage, making it suitable for high vibration installations. The 3/8-24 UNF threaded design ensures stable mechanical mounting. The system supports flexible cable configuration options with 75 ohm triaxial FEP or PFA insulation for standard and extended temperature applications. Optional stainless steel armored construction improves mechanical protection under severe industrial conditions. The probe is designed for high reliability vibration measurement in continuous operation environments.

Suffix Breakdown

Technical Specifications

Technical FAQs

What is the main advantage of the 8 mm probe design?

The 8 mm design provides thicker PPS encapsulation, improving mechanical strength and resistance to physical damage in high vibration environments.

Can this probe operate in high temperature environments?

Yes. Extended temperature cable options support up to 218 deg C at the probe tip depending on configuration.

Is armored cable required for all installations?

No. Armor is optional but recommended in environments with high mechanical stress or cable exposure risk.

Does this probe require calibration after installation?

Yes. Proper gap calibration and system matching with the Proximitor sensor is required for accurate vibration measurement.

Engineering & Installation Guide

Ensure correct torque application during installation to avoid damage to probe threads and sealing surfaces. Over-tightening may affect measurement stability.

Route probe cables away from high voltage and VFD output lines to reduce electromagnetic interference in monitoring systems.

Use armored cable protection in high vibration zones where mechanical abrasion or impact risk exists.

Maintain proper airflow inside enclosures to avoid thermal stress on connectors and cable insulation.