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The 330180-91-CN is a 3300 XL Series 8mm Eddy Current Proximitor Sensor for rotating machinery condition monitoring. As a component of non-contact measurement systems, it converts gaps detected by the probe into voltage signals for predictive maintenance of plant assets.
One 3300 XL 8 mm probe
One 3300 XL extension cable
One 3300 XL extension cable
The Bently Nevada 330180-91-CN system provides an output voltage that is directly proportional to the distance between the probe tip and the observed conductive surface, enabling measurement of 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.
As an integral part of the 3300 XL 8 mm transducer system, the 330180-91-CN delivers advanced performance that fully complies with the American Petroleum Institute’s (API) 670 Standard for mechanical configuration, linear range, accuracy, and temperature stability. It supports complete interchangeability of probes, extension cables, and Proximitor sensors, eliminating the need to match or bench calibrate individual components. Furthermore, each component is backward compatible and interchangeable with other non-XL 3300 series 5 mm and 8 mm system components, including the 3300 5 mm probe for space-constrained applications.
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 330180-91-CN Proximitor Sensor 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.
Power Generation
Monitors shaft vibration and axial position on steam turbines, gas turbines, and generators to prevent rotor-to-stator contact.
Oil & Gas Refining
Measures dynamic vibration and thrust displacement on centrifugal compressors and heavy-duty pumps in hydrocracking and distillation units.
Petrochemical
Provides continuous shaft displacement data for ethylene compressors and polymerizers to detect bearing degradation.
Natural Gas Transmission
Captures speed and Keyphasor reference signals on gas turbine drivers and centrifugal pipeline compressors.
Chemical Processing
Tracks shaft stability on high-shear mixers, reactors, and agitated vessels handling corrosive materials.
Iron & Steel Metallurgy
Measures oil-film bearing gaps and shaft runout on blast furnace blowers and hot rolling mill drives.
When using the 330180-91-CN, ensure the 9.0-meter system length matches the probe and extension cable, and maintain proper 7.87 V/mm scale factor calibration. Use the isolated base for direct DIN rail mounting without extra isolation plates, protect connections from moisture or oil, and strictly adhere to the -CN agency approval standards for hazardous area wiring.
The Bently Nevada 330180-91-CN features an isolated base that allows direct side-by-side DIN rail mounting without conventional individual electrical isolation plates. This architecture drastically minimizes footprint within control enclosures. Furthermore, its mounting footprints retain backward compatibility with the 4-hole panel configurations of legacy Proximitor models, facilitating seamless retrofits and upgrades for older systems.
What are the basic specifications of the 330180-91-CN 3300 XL Proximitor Sensor?
It is a signal conditioning unit designed to work with 3300 XL proximity probes to convert high-frequency probe signals into proportional analog outputs.
What input does the 330180-91-CN Proximitor Sensor accept?
It accepts signals from compatible 3300 XL series proximity probes and extension cables.
What is the typical output signal of the 330180-91-CN?
It provides a standard analog voltage output, commonly 4–20 mA or -24 V DC proportional to shaft displacement, depending on configuration.
What applications is the 330180-91-CN used for?
It is used in vibration, radial displacement, and thrust position monitoring systems for turbines, compressors, pumps, and motors.
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