Bently Nevada 330101-30-60-10-02-05 3300 XL 8 mm Proximity Probe

Product information

The 3300 XL 8 mm Proximity Transducer System provides an output voltage that is directly proportional to the distance between the probe tip and the observed conductive surface and can measure both static (position) and dynamic (vibration) values. The system’s primary applications are vibration and position measurements on fluid-film bearing machines, as well as Keyphasor reference and speed measurements. The 3300 XL 8 mm system delivers the most advanced performance in our eddy current proximity transducer systems.

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12 months warranty for all products
Original and new packing
3-5 working days shipping
High efficiency application
Good quality with long life span

Frequently Asked Questions (FAQ)

Q: Why is the 330101-30-60-10-02-05 designed with a 3.0-inch "unthreaded section"?
A: This structure is specifically designed for passing through thicker housings, bearings, or long mounting sleeves. The smooth section prevents the thread from getting stuck in deep holes or becoming unmanageable due to deformation.

Q: What are the rigidity requirements for installing the 6.0-inch long 330101-30-60-10-02-05?
A: Due to the long cantilever, a dedicated bracket meeting the rigidity requirements must be used on-site, and the external lock nut must be tightened to a standard torque of 4.5 N·m (40 psi) to prevent high-frequency resonance of the probe.

Q: Since the code is "02", what extra steps are required when connecting the 330101-30-60-10-02-05 connector in the field?
A: After the connector is locked in place, heat shrink tubing or insulating waterproof tape must be manually applied in the field to prevent the connector from touching the housing and causing "grounding loop interference".

Q: When measuring shaft vibration, what should the standard initial gap voltage of the 330101-30-60-10-02-05 be adjusted to?
A: The recommended standard mounting gap voltage is -9.0 Vdc (at the physical geometric center of the 2.0 mm linear segment).

Q: What is the maximum mechanical tensile force that the cable connector of the 330101-30-60-10-02-05 can withstand?
A: Thanks to the original CableLoc cable fixing technology, the connection between the outer shell and the cable can withstand a maximum tensile force of 330 Newtons (75 pounds), preventing damage to the internal conductors during field wiring.

Application

Refineries: Widely installed on main air blowers and wet-gas compressors in fluid catalytic cracking units for dynamic vibration monitoring of fluid-film bearings operating continuously year-round.

Power Plants (Thermal / Nuclear): Installed on the bearings of large steam turbine-generator sets and large boiler feedwater pumps to provide Keyphasor speed measurement and bearing condition alarms.

Natural Gas Processing Plants: Serving as critical protection sensors for centrifugal natural gas export compressors to prevent severe machine vibration caused by flow-induced excitation.

Steel Mills (Iron & Steel Plants): Applied to heavy-duty, high-speed rotating equipment such as blast furnace blowers, large rolling mill drive bearings, and high-power dust collection fans for lifecycle health monitoring.

Fertilizer Plants: Monitoring the critical high-pressure synthesis gas compressors and refrigeration compressors in ammonia production units to ensure continuous and safe operation under extreme pressure and temperature conditions.

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