Description

Bently Nevada 330104-00-06-50-01-00 3300 XL 8 mm Proximity Probe

The Bently Nevada 330104-00-06-50-01-00, also cataloged as the 330104 3300 XL 8 mm Proximity Probe, operates as a dedicated eddy-current measurement component for shaft displacement and vibration monitoring within Bently Nevada TSI monitoring systems.

Hardware Specifications

Parameter	Specification
Model	330104-00-06-50-01-00
Brand	Bently Nevada
Product Series	3300 XL 8 mm Proximity Probe
Product Type	Proximity Sensor
Probe Tip Diameter	8.0 mm
Thread Type	M10 x 1 metric
Probe Construction	Armored probe with flexible stainless steel armor
Unthreaded Length	0 mm
Overall Case Length	60 mm
Total Cable Length	5.0 m
Connector Type	Miniature coaxial ClickLoc connector with connector protector
Cable Type	Standard cable
Probe Case Material	303 or 304 stainless steel
Tip Material	Polyphenylene Sulfide (PPS)
Armor Material	Flexible 302/304 stainless steel armor sleeve
Linear Range	2.0 mm (80 mils)
Linear Range Start	Approximately 0.25 mm from probe tip
Scale Factor	7.87 V/mm (200 mV/mil), +/- 6.5% typical
Frequency Response	0 Hz to 10 kHz (+0, -3 dB)
Target Material	AISI 4140 steel
Operating Temp	-51 deg C to +177 deg C
Relative Humidity	100% condensing, non-submerged with connector protection applied
Origin	USA
Dimensions	Probe case length: 60 mm; cable length: 5.0 m
Power Consumption	Supplied through compatible 3300 XL Proximitor Sensor; probe has no independent power input

Eddy-Current Measurement and Rotor Dynamics Monitoring

The 330104-00-06-50-01-00 uses an eddy-current sensing principle to detect shaft surface movement without mechanical contact. Therefore, the probe measures both static shaft position and dynamic vibration signals through changes in the electromagnetic field between the probe tip and the target surface.

The 3300 XL 8 mm probe system uses calibrated probe scaling with a nominal scale factor of 7.87 V/mm. In addition, the system supports gap voltage validation through the Proximitor Sensor output, where a typical -10 VDC target indicates the probe operates near the electrical center of its measurement range.

Furthermore, the probe supports rotor dynamics analysis by providing displacement signals required for shaft vibration, axial position, and mechanical condition monitoring. The armored construction reduces mechanical damage risks in installations with restricted routing conditions while maintaining signal transmission performance.

Frequently Asked Questions

Q: What type of signal does the 330104-00-06-50-01-00 generate?
A: The probe generates an eddy-current displacement signal that requires connection to a compatible 3300 XL Proximitor Sensor for signal conditioning and output processing.

Q: Can the probe operate without a Proximitor Sensor?
A: No. The probe functions as a passive sensing element and requires a compatible driver module to provide excitation and convert the eddy-current measurement into monitoring signals.

Q: What installation factors affect measurement accuracy?
A: Target material condition, probe gap setting, cable routing, connector protection, and proper mechanical mounting influence measurement stability and calibration performance.

Field Installation Guidelines

• Install the probe with the specified M10 x 1 metric threaded mounting interface and maintain proper mechanical alignment with the shaft target surface.
• Verify the probe gap voltage after connection to the compatible Proximitor Sensor. Confirm the electrical output remains within the configured monitoring range.
• Route the armored cable away from high-current conductors, ignition sources, and strong electromagnetic interference fields.
• Maintain proper connector protection to prevent moisture ingress in condensing environments.
• Connect cable shielding according to the system grounding practice defined for the Bently Nevada monitoring rack.
• Inspect the probe tip and target surface condition before commissioning to prevent measurement errors caused by surface damage or contamination.

Specifications

• Brand: Bently Nevada

Advantages

• High reliability in industrial environments
• Supports continuous operation
• Compatible with major PLC/DCS systems