Description

Providing reliable, non-contact shaft displacement and vibration measurements, the Bently Nevada 330101-00-18-05-02-05 is a high-performance 8 mm proximity probe belonging to the industry-standard 3300 XL series. This specific configuration features a fully threaded 1.8-inch case length with no unthreaded portion (0.0 inches), a short 0.5-meter (1.6 feet) total probe lead, and a standard miniature coaxial ClickLoc connector. Engineered for hazardous area deployment, it carries multiple agency approvals (CSA, ATEX, IECEx) to ensure safe operation in petrochemical, power generation, and critical rotating machinery applications.

The 3300 XL 8 mm system delivers advanced performance in eddy current proximity transducer technology. By utilizing an 8 mm tip diameter, this probe provides a robust encapsulation of the probe coil in molded PPS plastic, offering optimum durability and mechanical protection in harsh industrial environments. This variant does not include an armored cable sheath, which allows for maximum cable flexibility and simpler routing through narrow machine ports and standard conduit layouts.

Features

• Rugged 8 mm tip diameter optimized for non-contact eddy-current displacement measurement.
• Fully threaded 3/8-24 UNF-2A stainless steel body with a compact 1.8-inch total case length and 0.0-inch unthreaded section.
• Short 0.5-meter (1.6 feet) coaxial cable lead allows clean, direct termination to standard extension cables.
• Gold-plated miniature ClickLoc coaxial connector provides vibration-resistant signal transmission.
• Fully compatible with 3300 XL monitoring systems and 330180 series Proximitor sensors.
• Approved for hazardous location environments under CSA, ATEX, and IECEx certifications.
• Withstands extreme machine environments from -52 degC to +177 degC.

Applications

• Steam and gas turbine shaft vibration monitoring.
• Fluid-film bearing mechanical protection and shaft displacement measurement.
• High-speed centrifugal compressor and pump rotor position tracking.
• Keyphasor reference, timing, and machine rotational speed measurements.
• Permanent rotating machinery protection systems in hazardous-rated plant areas.

Ordering Information

Technical Specifications

Connections and Interfaces

The probe lead is terminated with a miniature coaxial ClickLoc connector. This connector attaches directly to a 3300 XL extension cable with a companion female coaxial connector, securing the pathway to the 3300 XL Proximitor Sensor.

Installation Guidelines

• Adjust the probe gap (typically 1.27 mm or 50 mils) to establish the correct DC bias voltage within the linear range of the Proximitor sensor.
• Ensure that external mounting threads do not exceed the thread engagement limit of 0.563 inches (14.3 mm) to prevent binding or thread damage.
• Always use a calibrated torque wrench or follow explicit finger-tight tightening guidelines when making ClickLoc coaxial cable connections.
• Ensure proper grounding and shielding of the coaxial line and standard field wiring to protect the vibration measurement signal from electromagnetic interference (EMI).

Compliance and Certifications

• CSA: Certified Intrinsic Safety and Non-Incendive Class I Division 1 and 2 locations.
• ATEX: Zones 0, 1, and 2 explosive gas atmospheres.
• IECEx: Certified for Intrinsic Safety under international standards.