330191-00-08-05-05 | Bently Nevada 3300 XL 8mm Probe

Product Overview

The Bently Nevada 330191-00-08-05-05 is a 3300 XL 8 mm ETR proximity probe, part of the trusted 3300 XL series. Designed for reliable vibration and position monitoring, this probe delivers accurate measurements essential for protecting rotating machinery. As a new and original unit in factory packing, it comes with a 12-month warranty, ensuring peace of mind for your critical operations.

This model features a 3/8-24 UNF thread and is configured without armor. With a total length of 0.5 meters (1.6 feet), it suits installations where space is constrained. The probe is approved to CSA, ATEX, and IECEx standards, making it suitable for hazardous area applications.

Key Technical Specifications

Understanding the exact specifications helps you confirm the probe meets your application requirements. Here are the critical parameters for the 330191-00-08-05-05:

Part Number: 330191-00-08-05-05

Model: 3300 XL 8 mm ETR Probe, 3/8-24 UNF thread, without armor

Total Length: 0.5 meter (1.6 feet)

Agency Approvals: CSA, ATEX, IECEx

Minimum Unthreaded Length: 0.0 in.

Minimum Case Length: 0.8 in.

Probe Tip Material: Polyphenylene sulfide (PPS)

Probe Case Material: AISI 303 or 304 stainless steel

Standard Cable: 75Ω triaxial, FEP insulated, available in 0.5, 1, 1.5, 2, 3, 5, or 9 meters

Extended Temperature Cable: 75Ω triaxial, PFA insulated, in 0.5, 1, 1.5, 2, 5, or 9 meters

Tensile Strength: 330 N (75 lbf) probe case to probe lead; 270 N (60 lbf) at connectors

Connector Material: Gold-plated brass or gold-plated beryllium copper

Maximum Connector Torque: 0.565 N•m (5 in•lbf)

Probe Case Thread: 3/8-24, maximum engagement 0.563 in

Probe Weight: 323 g/m (11.4 oz)

Industry Applications

The 330191-00-08-05-05 excels in monitoring vibration and shaft position on turbines, compressors, pumps, and motors. Its robust design and hazardous area approvals make it ideal for oil and gas, power generation, and chemical processing plants. For example, in a refinery, the probe's ATEX and IECEx certifications allow installation in explosive atmospheres, while the 0.5-meter length fits tight spaces near bearings.

Because the probe uses a 75Ω triaxial cable, it integrates seamlessly with Bently Nevada monitoring systems, ensuring consistent signal transmission. The gold-plated connectors resist corrosion, maintaining signal integrity even in humid or corrosive environments.

Installation and Setup Guidance

Proper installation is crucial for accurate readings. Follow these general steps:

Mount the probe using the 3/8-24 UNF thread, ensuring the case thread engagement does not exceed 0.563 inches to avoid damage.

Torque the connector to a maximum of 0.565 N•m (5 in•lbf) to prevent over-tightening.

Verify the total length (0.5 m) matches your routing path; avoid sharp bends that could stress the cable.

If using the optional armor, ensure it is properly grounded according to manufacturer guidelines.

Always consult the installation drawing (e.g., 140979 for nonincendive circuits) for specific wiring requirements, especially in hazardous areas.

Maintenance and Reliability

The 330191-00-08-05-05 is built for longevity. Its PPS probe tip and stainless steel case resist wear and corrosion. The patented TipLoc and CableLoc designs provide robust bonding and 330 N pull strength, reducing the risk of cable detachment. To maintain reliability:

Periodically inspect the probe cable for cuts or abrasions, especially near connection points.

Check connector torque periodically, as vibration can loosen connections.

Keep the probe tip clean and free of debris that could affect measurement.

For safety-rated applications, follow the manufacturer's safety manual for inspection intervals and testing procedures.

Compatibility and Integration

This probe is designed to work with Bently Nevada extension cables and monitors. It uses a 75Ω triaxial cable, ensuring compatibility with Bently Nevada's standard signal conditioning. The probe's entity parameters are met when used with BN extension cables and connected to BN monitors, simplifying system integration.

Buying Guide

Before ordering the 330191-00-08-05-05, verify your system requirements:

Confirm the total length (0.5 m) fits your installation.

Check the thread type (3/8-24 UNF) matches your mounting hole.

Ensure the agency approvals (CSA, ATEX, IECEx) meet your site's classification.

At BluePLC Industrial, we supply new, original Bently Nevada parts with a 12-month warranty. Our team can help you confirm compatibility and availability. Contact us for current lifecycle status and ordering assistance.