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The 330104-04-09-50-02-05 is an industrial-grade, standard-mount, explosion-proof eddy current proximity probe belonging to the premier 3300 XL 8 mm transducer system.It features a 3/8-24 UNF threaded case with a 0.4-inch unthreaded length and a 0.9-inch overall case length. It comes with an integrated 5.0-meter standard unarmored coaxial cable terminating in a miniature ClickLoc connector. Holding multiple international hazardous area agency approvals (suffix -05), it is authorized for direct deployment in explosive industrial zones.
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 330104-04-09-50-02-05 Proximity 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 Industry
Used in reciprocating gas compressors on offshore production platforms or onshore gas fields, leveraging the 5.0m integrated cable to route directly through the crankcase for real-time monitoring of piston rod drop and crosshead vibration.
Petroleum Refining Industry
Deployed on the bearings of heavy oil hydrocracking recycle hydrogen compressors, which are critical to hydrogenation reaction units, to continuously monitor axial displacement and prevent deviations beyond safety limits.
Coal Chemical & Syngas Industry
Used in large high-pressure multistage centrifugal oxygen compressors in coal gasification plants, where its stainless steel armor protects the cable from corrosive chemical fluid vapors in the machinery room.
Nuclear Power Generation
Deployed on the bearings of high-power boiler feed pump turbines in the conventional island of nuclear power plants to continuously measure static shaft displacement and assess thrust bearing wear.
Petroleum Refining Industry
Deployed on the bearings of high-pressure centrifugal hydrogen recycle compressors in crude distillation or hydrocracking units to monitor shaft vibration via non-contact means within explosive gas environments.
Thermal Power Generation
Installed inside the steam turbine high-pressure rotor bearing housings of large thermal power plants to perform high-precision measurements of dynamic radial shaft vibration and runout under high-speed operation.
Because this specific model features an integrated 5-meter full-length unarmored cable and hazardous area approvals (-05), cable routing within explosive zones must strictly follow intrinsically safe codes. The long, unarmored cable must be shielded using conduits or cable trays to prevent heavy pulling, crushing, or mechanical wear.
This probe typically connects directly to a standard 5m Proximitor without requiring an extension cable. Installation and tightening must be performed only when the machinery is at a complete standstill, using continuous monitoring of the Proximitor’s output bias voltage (typically calibrated to -10 VDC) to precisely set the measurement gap, while ensuring a waterproof and oil-proof seal at the terminal connector.
Bently Nevada 330104-04-09-50-02-05 utilizes a non-contact eddy current principle, performing micron-level precise measurements of shaft vibration, axial displacement, and Keyphasor speed references on fluid-film bearing machines. The system fully complies with the API 670 Standard for mechanical configuration, linear accuracy, and temperature stability. Since this probe incorporates a full-length 5.0-meter integrated cable, it can connect directly to a standard 5m Proximitor Sensor without an extension cable, serving as a critical asset protection and emergency shutdown component for heavy plant machinery.
What kind of device is Bently Nevada 330104-04-09-50-02-05?
It is an industrial-grade, non-contact eddy current proximity probe belonging to the Bently Nevada 3300 XL 8 mm transducer system, featuring a 3/8-24 UNF threaded case.
What is the primary purpose of 330104-04-09-50-02-05?
It is utilized for precise measurements of shaft vibration, axial displacement, rotational speed, and Keyphasor phase references on large industrial rotating machinery such as steam turbines, fans, and compressors.
What is the primary purpose of 330104-04-09-50-02-05?
It is utilized for precise measurements of shaft vibration, axial displacement, rotational speed, and Keyphasor phase references on large industrial rotating machinery such as steam turbines, fans, and compressors.
How do you correctly install and use the 330104-04-09-50-02-05 probe?
It must be installed while the machinery is completely at rest by threading it into a mounting bracket and precisely adjusting the physical gap between the probe tip and the shaft surface by monitoring the paired Proximitor's output bias voltage with a multimeter.
What is the standard installation voltage for the 330104-04-09-50-02-05 system?
At the physical center of its linear range, the standard installation voltage typically needs to be calibrated and adjusted to -10.0 VDC (corresponding to a measurement gap of approximately 1.0 mm).
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