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The 330105-xx-xx-10-02-05 mod：157310-09 is a 3300 XL 8 mm Reverse Mount Proximity Probe designed for non-contacting industrial applications. The reverse-mount mechanical configuration facilitates straightforward installation from the outside of tight machinery spaces, such as fluid-film bearing housings. It features an 8 mm probe tip diameter, an integrated 1.0-meter cable, a miniature ClickLoc coaxial connector, and carries multiple hazardous area agency approvals including ATEX, IECEx, and CSA.
One 3300 XL 8 mm probe
One 3300 XL extension cable
One 3300 XL Proximitor Sensor
The 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. The standard 3300 XL 8 mm 5-meter system also fully complies with the American Petroleum Institute’s (API) 670 Standard for mechanical configuration, linear range, accuracy, and temperature stability.
All 3300 XL 8 mm proximity transducer systems provide this level of performance and support complete interchangeability of probes, extension cables, and Proximitor sensors, eliminating the need to match or bench calibrate individual components. Each 3300 XL 8 mm Transducer System component is backward compatible and interchangeable with other non XL 3300 series 5 mm and 8 mm transducer system components. This compatibility includes the 3300 5 mm probe, for applications in which an 8 mm probe is too large for the available mounting space.
Important Notice: Other accessories, manuals, cables, calibration data, software, etc. are not included with this equipment unless listed in the above stock item description.
Bently Nevada 330105-xx-xx-10-02-05 mod：157310-09 8 mm Reverse Mount Probe Manuals, Datasheets, Drivers, Link
Important Notice: Other accessories, manuals, cables, calibration data, software, etc. are not included with this equipment unless listed in the above stock item description.
Oil & Gas Extraction & Offshore Platforms
Due to its -05 explosion-proof approval, it is installed on the critical fluid-film bearings of high-pressure mud pumps in flammable environments to measure static axial displacement, preventing shaft displacement caused by high-pressure impacts.
Petrochemical & Gas Transmission
Used in high-power natural gas pipeline centrifugal compressors at pipeline pressurization stations, utilizing its reverse-mount configuration to precisely monitor axial float and vibration from outside the tight bearing housing.
Coal Chemical & Syngas Industry
Deployed on Texaco coal slurry pumps and high-pressure syngas compressors in coal-to-gas or ammonia plants, performing non-contact condition monitoring within fully sealed, hazardous areas filled with toxic gases.
Nuclear Power & Balance of Plant
Installed at the bearings of large condensate pumps and circulating water pumps in the conventional island of nuclear power plants to monitor dynamic shaft runout and radial vibration caused by hydraulic impact.
Iron & Steel Metallurgy Industry
Used for large axial blast furnace blowers, the core power source of ironmaking blast furnaces, utilizing the 8mm probe's wide linear range to monitor rotor system thermal expansion, axial displacement, and vibration in real-time.
Marine & Naval Propulsion Engineering
Used in marine propulsion gearboxes and steam turbines on ocean-going cargo ships or gas carriers, providing non-contact, high-precision bearing clearance and reverse-mounted speed measurements within tight spaces.
Because this specific model features a unique reverse-mount design, a factory modification (mod:157310-09), and hazardous area agency approvals (-05), installation must strictly adhere to intrinsically safe wiring codes.
Since it is threaded and secured from the outside of the machinery, extra care must be taken with the external locking nut's torque to prevent over-tightening inside, which could damage the probe tip or the bearing. The micron-level gap must be precisely set by monitoring the Proximitor voltage (typically calibrated to -10 VDC).
Furthermore, avoid over-bending the integrated 1.0-meter coaxial cable, ensure proper waterproof and oil-proof sealing at the connectors, and always perform tightening, removal, or voltage calibration only when the machinery is at a complete standstill.
Alternative Names
Alternative Names
330105 xx xx 10 02 05330105-xx-xx-10-02-O5330105-xx-xx-10-O2-05330105-xx-xx-1O-02-053301O5-xx-xx-10-02-0533O105-xx-xx-10-02-05330105-xx-xx-I0-02-05330I05-xx-xx-10-02-0533OIO5-xx-xx-IO-O2-O5330105-xx-xx-10-02-05mod 157310-09mod-157310-09mod：157310-O9mod：15731O-09mod：I573I0-09mod：I573IO-O9
Technical notes
Technical notes
The prefix designation mod:157310-09 signifies a factory special modification (custom configuration), typically tailored for specific mechanical case profiles, temperature resistance upgrades, or precise electrical parameter adaptations required by complex industrial environments. Operating on the eddy current principle, it delivers micron-level accuracy for static position (axial displacement) and dynamic motion (shaft vibration) measurements, serving as a critical protection component for rotating equipment in heavy industries.
It is a Bently Nevada 3300 XL 8mm reverse mount proximity probe with a 1.0-meter total length, miniature coaxial connector, multiple agency approvals, and a specific official modification designated as 157310-09.
How to use 330105-xx-xx-10-02-05 mod: 157310-09 in an industrial system?
It is typically screwed into the rotating machinery casing from the outside (or via a dedicated housing sleeve bracket) in a reverse-mount configuration, aligning its tip with the internal shaft surface, while the other end connects to a 3300 XL Proximitor via an extension cable.
What is the measurement principle of 330105-xx-xx-10-02-05 mod: 157310-09?
It operates on the Eddy Current principle. The high-frequency coil inside the probe tip generates an alternating magnetic field that induces eddy currents on the approaching metal shaft surface, enabling the Proximitor to measure micron-level gap changes based on impedance variations.
f 330105-xx-xx-10-02-05 mod: 157310-09 is damaged, can it be replaced by a standard non-Mod 330105 probe?
Generally, direct replacement is not recommended. The Mod code implies a modification from the original design. Replacing it directly with a standard part might cause field signal interference, installation mismatches, or even invalidation of explosion-proof compliance due to the lack of special cable shielding or physical tweaks.
Do you offer global delivery services?
Yes. We ship globally, and we are able to quickly deliver parts globally to any corner of the world. Unless otherwise specified, we will ship your order via (DHL). We can also ship through FedEx, UPS, and TNT. We can also use your account.
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