وصف

Bently Nevada 330709-000-060-50-02-00 3300 XL 11 mm Proximity Probe

The Bently Nevada 330709-000-060-50-02-00, also cataloged as the 330709 3300 XL 11 mm Proximity Probe, operates as a dedicated hardware component for shaft displacement and vibration signal measurement within the 3300 XL Proximity Transducer System.

Hardware Specifications

Parameter	Specification
Model	330709-000-060-50-02-00
Brand	Bently Nevada
Product Series	3300 XL 11 mm Proximity Probe
Product Type	Eddy Current Proximity Sensor
Origin	USA
Weight	Approx. 0.7 kg
Dimensions	11 mm probe tip diameter, 60 mm case length, 5.0 m total probe length
Operating Temp	-52 deg C to +177 deg C
Power Consumption	Maximum 12 mA
Measurement Technology	Eddy current non-contact displacement measurement
Probe Tip Diameter	11 mm
Thread Type	M16 x 1.5 metric thread
Unthreaded Length	0 mm
Connector Type	Miniature coaxial ClickLoc connector
Cable Type	Standard cable
Linear Range	Approximately 2 mm
Scale Factor	3.94 V/mm (100 mV/mil)
Recommended Gap Setting	Approximately 2.5 mm
Frequency Response	0 Hz to 8 kHz typical
Target Material	AISI 4140 steel target recommended
Minimum Target Diameter	31 mm
Power Supply Requirement	-17.5 VDC to -26 VDC

Eddy Current Measurement and Rotor Dynamics Characteristics

The 330709-000-060-50-02-00 uses eddy-current sensing technology to convert shaft movement into proportional electrical signals. Therefore, the probe provides direct measurement of relative shaft vibration, radial displacement, and axial position.

The 3300 XL 11 mm probe system uses a defined scaling characteristic of 3.94 V/mm (100 mV/mil). Furthermore, the Proximitor Sensor validates the probe gap condition through gap voltage measurement, where approximately -10 VDC represents the normal operating target position for the sensing circuit.

The 11 mm sensing tip supports increased measurement range compared with smaller diameter proximity probes. As a result, the system supports rotor dynamics analysis, shaft orbit monitoring, and machinery protection applications requiring continuous displacement feedback.

Frequently Asked Questions

Q: What components are required to operate the 330709-000-060-50-02-00 probe?
A: The probe requires a compatible 3300 XL 11 mm Proximitor Sensor and extension cable to form a complete proximity transducer measurement circuit.

Q: What electrical principle does this proximity probe use?
A: The probe uses eddy current technology to measure the distance between the probe tip and the conductive shaft target without physical contact.

Q: What is the purpose of gap voltage validation in this system?
A: Gap voltage validation confirms that the probe operates within the calibrated measurement range and maintains correct electrical distance from the shaft target.

Field Installation Guidelines

• Install the probe using the specified M16 x 1.5 mounting thread and maintain mechanical alignment with the shaft target surface.
• Adjust the probe position according to the recommended gap voltage range before connecting the monitoring channel.
• Verify the extension cable length and Proximitor Sensor configuration match the selected probe system.
• Maintain proper cable routing and avoid installation paths with excessive electromagnetic interference.
• Connect cable shielding according to the machinery monitoring system grounding practice.
• Confirm signal polarity, gap voltage, and output scaling before placing the protection channel into service.

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