Description

Bently Nevada 330709-000-080-10-02-00 3300 XL 11 mm Proximity Probe

The Bently Nevada 330709-000-080-10-02-00, also cataloged as the 330709 3300 XL 11 mm Proximity Probe, operates as a dedicated hardware component for non-contact shaft displacement and vibration measurement within the 3300 XL Transducer System.

Hardware Specifications

Parameter	Specification
Model	330709-000-080-10-02-00
Brand	Bently Nevada
Product Type	3300 XL 11 mm Proximity Probe
Origin	USA
Weight	0.2kg
Dimensions	Case length: 80 mm; Total cable length: 1.0 meter
Operating Temp	-52 deg C to +177 deg C
Power Consumption	Supplied by compatible Bently Nevada Proximitor Sensor
Probe Tip Material	Polyphenylene sulfide (PPS)
Probe Case Material	AISI 304 Stainless Steel
Thread Size	M16 x 1.5
Unthreaded Length	0 mm
Connector Type	Miniature coaxial ClickLoc connector
Cable Structure	75 ohm triaxial FEP insulated standard cable without armor
Linear Range	4.0 mm (160 mils)
Linear Measurement Span	Approximately 0.5 mm to 4.5 mm
Target Material	AISI 4140 steel
Incremental Scale Factor	3.94 V/mm (100 mV/mil)
Probe DC Resistance	7.2 +/- 0.8 ohm
Recommended Target Diameter	>= 31 mm
Recommended Shaft Diameter	>= 152 mm
Recommended Case Torque	21.1 N m
Maximum Case Torque	63.3 N m

Eddy-Current Measurement Scaling and Rotor Dynamics Monitoring

The Bently Nevada 330709-000-080-10-02-00 uses eddy-current probe scaling characteristics to convert shaft displacement into proportional electrical output signals. The 3300 XL 11 mm design provides a 4.0 mm linear range with an incremental scale factor of 3.94 V/mm, allowing the connected Proximitor Sensor to process radial vibration, axial position, and phase reference measurements.

Furthermore, the probe supports rotor dynamics analysis by providing stable non-contact measurement of rotating shaft movement. The system configuration requires correct mechanical positioning and gap voltage validation. Bently Nevada proximity systems typically verify operating gap conditions near the -10 VDC target range to maintain measurement accuracy across the transducer chain.

Frequently Asked Questions

Q: What type of measurement does the 330709-000-080-10-02-00 perform?
A: The probe measures non-contact shaft displacement using an eddy-current sensing principle. It supports vibration, axial position, and Keyphasor phase reference applications when paired with compatible 3300 XL electronics.

Q: Can the probe operate without a Bently Nevada Proximitor Sensor?
A: No. The probe requires a compatible Proximitor Sensor to provide excitation, signal conditioning, and output conversion.

Q: What installation factors affect measurement performance?
A: Probe gap setting, target material condition, shaft diameter, cable routing, and mechanical alignment directly affect measurement stability and signal accuracy.

Field Installation Guidelines

• Install the probe with the specified M16 x 1.5 threaded mounting interface and maintain correct mechanical alignment with the shaft target surface.
• Verify the probe tip clearance and operating gap before commissioning the monitoring channel.
• Connect the ClickLoc coaxial connector securely to prevent signal interruption caused by mechanical vibration.
• Route the triaxial cable away from high-current power conductors, ignition sources, and strong electromagnetic interference areas.
• Maintain proper cable shielding practices and connect the shield according to the system grounding design.
• Confirm the Proximitor Sensor receives a valid gap voltage before performing vibration or position calibration.
• Avoid exceeding the specified case torque limits during mechanical installation.

Specifications

• Brand: Bently Nevada

Advantages

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