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The 330105-xx-xx-10-02-05 mod：157310-11 is an industrial-grade, high-performance reverse-mount, explosion-proof eddy current proximity probe. Constructed for extreme industrial environments and confined spaces, this probe utilizes a non-contact principle to perform micron-level precise monitoring of shaft conditions in large rotating machinery. It serves as a core sensor spare part to achieve predictive maintenance, early fault warning, and overspeed/automatic shutdown safety protection for heavy critical plant equipment.
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：157310-11 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.
Operation must strictly follow intrinsically safe wiring codes (-05 approval) and ensure the probe, extension cable, and Proximitor form a matched 5-meter or 9-meter system. Due to its reverse-mount configuration and factory-customized modification (mod:157310-11), the torque on the external locking nut must be carefully controlled to prevent internal over-tightening, which can damage the probe tip or the contact surface. During installation, the measurement gap must be precisely set by continuously monitoring the Proximitor’s output bias voltage (typically calibrated to -10 VDC).
Additionally, verify the coaxial cable insulation remains intact, maintain a waterproof and oil-proof seal at the connectors, and perform all installation, adjustment, or tightening activities 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-157310-11mod：157310-IImod：I573I0-11mod：15731O-11mod 157310-11mod：I573IO-II
Technical notes
Technical notes
Factory Customized Modification (Design Revision -11). Typically denotes specialized high/low temperature limits, enhanced fluid-resistance, or exact physical profiling tailored for proprietary reverse-mount spaces.
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.
What kind of device is Bently Nevada 330105-xx-xx-10-02-05 mod:157310-11?
It is an industrial-grade, non-contact reverse-mount eddy current proximity probe belonging to the 3300 XL 8mm transducer system.
What is the primary purpose of 330105-xx-xx-10-02-05 mod:157310-11?
It is specifically designed to measure shaft vibration, axial displacement, and rotational speed on large industrial rotating machinery (e.g., compressors, pumps).
Why does 330105-xx-xx-10-02-05 mod:157310-11 use a reverse-mount design?
The reverse-mount design allows the probe to be threaded and secured directly from the outside of the machine's bearing housing, making it ideal for extremely tight internal spaces where conventional probes cannot fit.
What is the measurement sensitivity of 330105-xx-xx-10-02-05 mod:157310-11?
When paired with a standard 3300 XL Proximitor, its nominal linear sensitivity (scale factor) is 7.87 V/mm (200 mV/mil).
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