330103-07-18-10-02-00 Bently Nevada Probe 3300 XL

Product Overview

The Bently Nevada 330103-07-18-10-02-00 measures dynamic shaft vibration and axial position.

This sensor belongs to the industry-standard 3300 XL 8 mm proximity probe family.

Engineers deploy this probe in deep machine housings requiring extended unthreaded lengths.

The M10x1 thread configuration provides secure mechanical mounting inside heavy turbomachinery.

Polyphenylene sulfide tip construction resists harsh industrial chemicals and process moisture.

Configuration Breakdown

• Part Number: 330103-07-18-10-02-00
  • Base Model Option (330103): 3300 XL 8 mm probe with M10x1 body threads, unarmored.
  • Unthreaded Length Option (-07): 70 mm unthreaded sleeve length.
  • Overall Case Length Option (-18): 180 mm extended probe case length.
  • Total Cable Length Option (-10): 1.0 meter (3.3 feet) standard coaxial cable lead.
  • Connector Type Option (-02): Miniature coaxial ClickLoc connector with standard cable.
  • Agency Approval Option (-00): Standard non-agency approval setup for non-hazardous zones.

Technical Specifications

Target Machinery & Diagnostic Capabilities

• Centrifugal Compressors: Tracks axial shaft position in deep bearing housing counterbores.
• Steam & Gas Turbines: Measures radial shaft vibration and shaft orbit trajectory during dynamic startups.
• Large Industrial Pumps: Detects early journal bearing tilt and rotor unbalance conditions.
• Diagnostic Systems: Sends clean high-frequency vibration signals to machinery protection monitors.

Selection Guide & Technical Comparison

Choose 330103-07-18-10-02-00 when machine housings require 70 mm unthreaded clearance and 180 mm case length.

If your system demands armor protection and hazardous area approvals, choose 330103-00-08-10-12-05.

Model 330103-00-08-10-12-05 features an 80 mm fully-threaded case with armored cable and multiple approvals.

Both probes deliver identical 2.0 mm linear range and 7.59 ohm nominal resistance performance.

Measure housing depth accurately to prevent probe tip protrusion errors before ordering.

Global PLC Spare HUB's Insight & Field Experience

During a gas turbine overhaul, technicians struggled with deep mounting holes in thick casing walls.

Standard short probes caused severe cable pinch points against outer junction boxes.

Installing the 330103-07-18-10-02-00 probe with its 180 mm case length resolved the reach issue.

The 70 mm unthreaded portion passed smoothly through outer housing clearance holes without thread binding.

We recommend verifying coaxial connector torque to avoid intermittent signal loss during continuous operation.

Warranty & Express Delivery Terms

• Every unit includes a comprehensive 12-month factory warranty.
• Our warehouse dispatches orders within 24 to 48 hours.
• We deliver worldwide using express carriers FedEx, UPS, and DHL.
• Items ship as factory-sealed original inventory in heavy protective boxes.

Frequently Asked Questions

Q1: Why is an extended 180 mm probe case required in certain turbomachinery?

A1: Extended case lengths allow probe mounting through thick external machine walls to reach deeply embedded shafts.

Q2: How does high humidity impact the accuracy of 3300 XL probes?

A2: IEC testing proves less than 3% scale factor change under 93% relative humidity for 56 days.

Q3: What torque should technicians apply on the first three threads of the M10x1 case?

A3: Apply 7.5 N•m recommended torque on the first three threads to prevent housing thread damage.

Q4: How does field cable length affect high-frequency signal response?

A4: Field wiring exceeding recommended lengths causes signal roll-off at frequencies above 10 kHz.

Q5: Can this unarmored coaxial cable withstand oil spray inside bearing housings?

A5: Yes, FEP cable insulation resists oil and synthetic lubricants, though physical conduit protection is recommended.

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