330104-03-09-05-02-05 Bently Nevada 3300 XL 8mm Probe New Stock

Product Overview

The 330104-03-09-05-02-05 is a high-performance 3300 XL 8 mm Proximity Probe manufactured by Bently Nevada. This metric threaded sensor features integrated armor for superior mechanical protection in harsh environments. It operates as part of an eddy current transducer system, delivering precise, non-contact displacement measurements.

Global PLC Spare HUB's Insight

The Bently Nevada 330104-03-09-05-02-05 represents the industry benchmark for proximity sensor reliability. Its design incorporates a Viton O-ring seal to contain differential pressure at the probe tip. The ClickLoc coaxial connector provides a secure, vibration-resistant electrical termination. Engineering teams specify this module to prevent catastrophic machine failures through continuous condition monitoring.

Equipment & Application Compatibility

This proximity probe matches perfectly with critical industrial rotating machinery:

• Centrifugal and axial air compressors
• High-speed boiler feed pumps and process pumps
• Steam turbines, gas turbines, and industrial turboexpanders
• Large electric motors and industrial gearboxes
• Bently Nevada 3300 XL Proximitor Sensors and 3500/42M monitoring modules

Technical Specifications

• Brand: Bently Nevada
• Model: 330104-03-09-05-02-05
• Series: 3300 XL 8mm Series
• Type: Eddy Current Proximity Transducer
• Thread Type: Metric M10 x 1 thread with stainless steel armor
• Linear Range: 2 mm (80 mils), beginning at 0.25 mm (10 mils) from target
• Output Voltage Range: Standard -1 Vdc to -17 Vdc across the linear span
• Recommended Radial Gap: -9 Vdc [approximately 1.27 mm (50 mils)]
• DC Resistance (RPROBE): 7.45 ± 0.50 Ohms (center conductor to outer conductor)
• Probe Tip Material: Polyphenylene sulfide (PPS)
• Probe Case Material: AISI 303 or 304 stainless steel (SST)
• Operating Temperature: -52°C to +177°C (-62°F to +350°F) base operational rating
• Humidity Resistance: Less than 3% Average Scale Factor change under 93% humidity (IEC 68-2-3)
• Field Wiring Limits: Max 305 meters (1,000 feet) via 16 to 24 AWG 3-conductor shielded triad cable
• Hazardous Certifications: ATEX, IECEx, CSA Class I Zone 0/2, Class I Div 2 Groups A, B, C, D

Configuration Breakdown

The alphanumeric suffix structure defines the exact physical parameters of this 330104 assembly:

• 330104: 3300 XL 8 mm Probe, M10 x 1 thread, with armor
  • 03 - Unthreaded Length Option
    • 30 mm unthreaded case length
  • 09 - Overall Case Length Option
    • 90 mm total case length
  • 05 - Total Length Option
    • 0.5 meter (1.6 feet) total integrated cable length
  • 02 - Connector and Cable-Type Option
    • Miniature coaxial ClickLoc connector, standard cable
  • 05 - Agency Approval Option
    • Multiple hazardous area approvals (CSA, ATEX, IECEx)

Installation & Engineering Guidelines

• Verify the maximum thread engagement does not exceed 15 mm during bracket insertion.
• Ensure target material matches standard AISI 4140 steel calibration for accurate scaling.
• Use a calibrated bracket or micrometer to set the -9 Vdc radial gap precisely.
• Avoid exposing the probe assembly to temperatures below -34°C to protect the Viton pressure seal.
• Route the armored cable using proper bend radii to eliminate coaxial core strain.

Diagnostic Capabilities

• Continuous radial vibration analysis for early detection of rotor unbalance.
• Shaft centerline position monitoring to diagnose hydrodynamic bearing wear.
• Dynamic thrust position tracking for axial tolerance verification.
• Phase reference measurements (Keyphasor) when targeting shaft keyways or notches.

Model Comparison & Technical Recommendation

When engineering a replacement or new installation system, consider physical constraints:

• Current Model: 330104-03-09-05-02-05 (30mm Unthreaded, 90mm Case, 0.5m Cable, Armored)
• Alternative Model: 330104-00-06-90-12-05 (0mm Unthreaded, 60mm Case, 9.0m Cable, Armored)

Engineering Recommendation: The alternative model provides a 9.0-meter total cable length, eliminating the need for an intermediate extension cable when connecting to a remote Proximitor sensor. However, it features a shorter 60mm case with zero unthreaded length. Ensure your mounting bracket accommodates a fully threaded housing and that your total system loop length matches your Proximitor calibration (5-meter vs. 9-meter system).

Shipping, Logistics & Warranty

• Packaging Details: One factory-sealed Bently Nevada 330104-03-09-05-02-05 sensor element
• Warranty Support: 12-Month comprehensive industrial warranty protection from shipment date
• Handling Lead Time: Secured dispatch from stock within 24 to 48 hours
• Express Carriers: Priority global transport handled via FedEx, UPS, and DHL

Frequently Asked Questions

What happens to the probe performance if the environmental temperature drops below -34°C?

Temperatures below this threshold freeze the internal Viton O-ring, which can cause premature sealing failure under differential pressure.

Can I mix a 0.5-meter probe with a 9.0-meter extension cable on a standard Proximitor?

No, you must pair a 0.5-meter probe with a 4.5-meter extension cable to create a matched 5.0-meter total system loop.

Why does this specific model incorporate a stainless steel armor sleeve over the coaxial cable?

The armor protects the internal miniature coaxial line from mechanical cutting, abrasion, and hot fluids inside the machine casing.

How do I troubleshoot an unexpected out-of-range DC voltage reading during commissioning?

Measure the probe DC resistance between the center pin and outer shield to confirm it falls within 7.45 ± 0.50 Ohms.

Can this proximity probe directly monitor targets made of non-ferrous metals like aluminum?

Standard calibration targets AISI 4140 steel, so alternative target materials require custom scale factor adjustments inside the Proximitor.

Procurement & Selection Guide

• Step 1: Extract the full 11-digit suffix code from the old probe tag to ensure exact mechanical matching.
• Step 2: Confirm the thread type matches the metric M10x1 tap on your machine casing.
• Step 3: Verify whether your control loop requires a 5-meter or 9-meter system matching length configuration.
• Step 4: Contact our technical sales desk to confirm current stock levels and initiate rapid carrier shipment.

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