Bently Nevada 330191-00-08-15-05 3300 XL ETR Probe

Product Overview

The Bently Nevada 330191-00-08-15-05 is a high-performance eddy current proximity transducer.

It belongs to the rugged 3300 XL 8 mm ETR Series sensor line.

Engineers deploy this sensor for continuous dynamic vibration monitoring and static position measurement.

The patented TipLoc molding ensures a permanent bond between probe tip and stainless steel body.

The CableLoc design provides 330 N tensile strength to prevent cable detachment under heavy physical stress.

Technical Specifications

Installation Guide

• Mount the probe securely using the 3/8-24 UNF threaded casing.
• Ensure target material matches AISI 4140 steel calibration for optimal signal accuracy.
• Maintain a minimum probe clearance diameter of 30 mm to prevent side-wall interference.
• Torque the probe connector to 0.565 N·m (5 in·lbf) using an accurate torque wrench.
• Avoid tight bend radii smaller than 25.4 mm (1.0 in) on the triaxial cable.

Commissioning & Maintenance Convenience

• Measure DC gap voltage at the Proximitor sensor during setup to establish mechanical zero point.
• Gold-plated brass connectors resist corrosion and maintain low-resistance electrical contact.
• The rigid PPS plastic tip encapsulation protects delicate internal coils against abrasion.
• Modular system design simplifies replacement without requiring total machinery recalibration.

System Compatibility

The 330191-00-08-15-05 probe integrates seamlessly with 3300 XL Series extension cables and Proximitor Sensors.

It interfaces directly with Bently Nevada 3500 and Orbit 60 machinery protection systems.

Certifications & Approvals

• Option 05 Approval: CSA, ATEX, and IECEx hazardous area certifications.
• Temperature Schedules: T1 (-55°C to +232°C) up to T5 (-55°C to +40°C) classification.
• Intrinsically Safe: Suitable for Class I, Zone 0/1/2 explosive environments with approved barriers.

Packaging, Shipping & Warranty Terms

• Product Condition: Brand New & Original in Factory Sealed Packing.
• Warranty: Includes 12 Months Factory Guarantee from purchase date.
• Fast Dispatch: Ships within 24 to 48 hours following order verification.
• Global Express Delivery: Handled via reliable couriers including FedEx, UPS, and DHL.

Typical Application Scenarios & Diagnostic Capabilities

Field engineers install the 3300 XL ETR Probe inside high-temperature industrial turbomachinery.

• Steam Turbines: Monitors thermal growth, rotor expansion, and radial shaft vibration.
• Centrifugal Gas Compressors: Detects shaft orbit changes, unbalance, and oil whirl instabilities.
• Heavy-Duty Gearboxes: Tracks axial thrust position and high-frequency shaft displacement.
• Diagnostic Insight: Delivers real-time wave shape data to prevent catastrophic bearing failure.

Global PLC Spare HUB's Insight

In our field engineering projects, steam turbine exhaust housings frequently destroy standard FEP-insulated sensor leads.

The Bently Nevada 330191-00-08-15-05 solves this issue using high-grade PFA cable insulation rated up to 232°C.

During dry-run commissioning, engineers adjust the probe gap to read -9.0 Vdc to -11.0 Vdc at center position.

This setting ensures maximum linear dynamic range when the shaft shifts during hot thermal stabilization.

Purchasing Guide & Frequently Asked Questions

Q: How do I verify if I need an extension cable for this probe length?

A: A 1.5-meter probe requires an extension cable to complete a total 5-meter or 9-meter system match.

Q: What is the main benefit of the ETR cable option?

A: ETR cables handle extreme heat up to 232°C without insulation melting or signal degradation.

Q: How do I select the proper unthreaded length option?

A: Select unthreaded length based on housing depth to avoid internal thread interference during installation.

Q: Can I mix 3300 XL probes with older 3300 series Proximitor sensors?

A: Always pair 3300 XL 8 mm Probes with matching 3300 XL components to maintain calibrated system accuracy.

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