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Bently Nevada 330103-05-15-10-02-00 3300 XL 8 mm Proximity Probe

The Bently Nevada 330103-05-15-10-02-00, also cataloged as the 330103 3300 XL 8 mm Proximity Probe, operates as a dedicated hardware component for eddy-current displacement measurement and rotor position monitoring within the 3300 XL Proximity Transducer System.

Hardware Specifications

Parameter	Specification
Model	330103-05-15-10-02-00
Brand	Bently Nevada
Product Type	3300 XL 8 mm Eddy Current Proximity Probe
Origin	USA
Dimensions	Unthreaded length: 50 mm; Overall case length: 150 mm; Cable length: 1.0 m
Operating Temp	-51 deg C to +177 deg C
Power Consumption	Supplied by compatible Proximity Transducer System driver module
Probe Diameter	8 mm
Measurement Principle	Eddy current non-contact displacement sensing
Thread Type	M10 x 1
Target Material	Conductive metal, standard calibration with AISI 4140 steel
Linear Measurement Range	2.0 mm (80 mils)
Linearity Range	Starts at 0.25 mm (10 mils) from probe tip
Average Scale Factor	7.87 V/mm (200 mV/mil) nominal
Probe Tip Material	Polyphenylene Sulfide (PPS)
Case Material	AISI 303 / 304 Stainless Steel
Connector Type	Gold-plated ClickLoc coaxial connector
Cable Type	Standard miniature coaxial cable
Cable Pull Strength	330 N maximum force at probe tip attachment

Eddy Current Scaling and Rotor Dynamics Monitoring

The 330103 series probe converts shaft displacement changes into electrical signals through eddy-current measurement technology. Therefore, the probe maintains a defined scale factor for vibration and position analysis when paired with a compatible Bently Nevada Proximitor module.

The probe supports rotor dynamics applications by measuring radial shaft vibration, axial thrust position, and Keyphasor reference signals. Additionally, proper gap voltage validation verifies the probe operating point, where -10 VDC represents the typical target gap condition for Bently Nevada eddy-current systems.

The 8 mm probe tip provides a 2.0 mm linear measurement range. Moreover, the ClickLoc coaxial connection maintains signal integrity between the probe and extension cable assembly while reducing connection-related signal disturbances.

Frequently Asked Questions

Q: What measurement signals can the 330103-05-15-10-02-00 provide?
A: The probe provides dynamic vibration displacement signals, static shaft position signals, and phase reference signals when connected to compatible Bently Nevada monitoring hardware.

Q: What target material is required for calibration performance?
A: The standard calibration uses AISI 4140 steel targets. Other conductive materials may require system-specific calibration verification.

Q: How should the probe gap voltage be checked during installation?
A: The installation technician should verify the Proximitor output gap voltage and confirm the operating point near the standard -10 VDC target condition before machinery operation.

Field Installation Guidelines

1. Install the probe with the M10 x 1 threaded case securely mounted to the machine housing or bearing support structure.
2. Maintain correct probe tip clearance from the conductive shaft surface according to the configured Proximitor calibration range.
3. Route the coaxial cable away from high-current power conductors, variable frequency drive cables, and strong electromagnetic interference sources.
4. Connect the cable shield according to the monitoring system grounding requirements to minimize electrical noise.
5. Verify the probe output signal and gap voltage before commissioning the machinery monitoring channel.
6. Confirm the probe installation position supports the intended measurement direction, including radial vibration, axial position, or Keyphasor applications.

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