Bently Nevada 330103-00-13-50-12-05 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: Does this probe require an external 220V AC power supply in the field?
A: No. The 330103-00-13-50-12-05 is a passive sensor; its operating RF energy is entirely driven and demodulated by the preamplifier (providing -24Vdc power) via a coaxial cable.

Q: When measuring the vibration of a rotating machinery shaft, what should the standard initial installation gap voltage of the 330103-00-13-50-12-05 be adjusted to?
A: The standard mounting gap voltage is recommended to be finely adjusted to -9.0 Vdc (at this point, the probe end face is approximately 1.27 mm / 50 mils from the surface of the measured shaft, precisely at the physical center of the 2.0 mm linear segment).

Q: When installing the 330103-00-13-50-12-05, how can the dangerous "side effect" of metal on the magnetic field be avoided?
A: It must be ensured that there are no non-target metal objects other than the surface of the measured shaft within a 15 mm (0.6 in) radius around the probe centerline.

Q: If the 330103-00-13-50-12-05 is installed in a blind hole, what is the minimum requirement for the counterbore diameter?
A: To completely eliminate lateral metal hole wall interference with the probe's magnetic field, the counterbore diameter must be at least 19.1 mm (0.75 in).

Q: What is the maximum mechanical tensile force that the cable connection of the 330103-00-13-50-12-05 probe can withstand when threading cables in the field?
A: Thanks to the original manufacturer's CableLoc securing technology, the connection between the outer shell and the cable can withstand a maximum tensile force of 330 Newtons (75 pounds), effectively preventing damage to the internal conductors due to rough pulling during on-site construction.

Application

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.

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.

Chemical Plants: Monitoring shaft vibration and axial displacement of large ethylene compressors and high-pressure cracked-gas compressors to prevent impeller-to-casing rub during high-speed operation.

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.

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