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The 330190-040-01-00 is a core, dedicated ETR armored extension cable within Bently Nevada’s flagship 3300 XL 8mm Proximity Transducer System. It functions as a 'lossless high-frequency signal bridge' across the machinery condition monitoring link, vertically routing weak impedance shifts captured by the frontend probe to the backend 3300 XL Proximitor sensor without distortion. This component provides high-precision, continuous monitoring of shaft vibration, axial displacement, and eccentricity in critical rotating machinery, including steam/gas turbines, hydro turbines, and compressors.
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 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 330190-040-01-00 ETR Extension Cable 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.
Thermal Power Plants
Routing high-frequency eddy current signals from the turbine bearing housing to the Proximitor to monitor rotor dynamic radial vibration.
Hydroelectric Power Stations
Connecting proximity probes mounted on the turbine guide bearings to monitor shaft runout under fluctuating hydraulic thrust.
Nuclear Power
Routing electrical signals from proximity sensors on high-pressure pump shafts back to the machinery protection system enclosure.
Petroleum Refining
Transferring high-frequency displacement signals from the blower bearings through the armored sleeve to prevent mechanical rubbing during operations.
Iron & Steel Metallurgy
Guarding signal lines inside a stainless steel armored sleeve against mechanical crushing and high heat near the furnace fan shafts.
Chemical Fertilizer Production
Routing axial position sensor data from the thrust collar of the compressor shaft back to the plant shutdown interlock loop.
During use, maintain the physical bending radius of the cable at a minimum of 25.4 mm (1 inch) to prevent mechanical damage to the internal triaxial coaxial structure and the fluoropolymer insulation layers. When coupling via the ClickLoc coaxial connectors, finger-tighten until the locking click is executed, ensuring the applied mechanical torque does not exceed the upper limit of 0.565 N·m.
Install a silicone-rubber protector sleeve or apply self-fusing tape over the coupled coaxial joint to isolate the contacts from industrial fluids like machine oil or steam and prevent ground faults. Route the cable path away from high-voltage power conduits, or ground the stainless steel armored sleeve across the entire path to block high-frequency electromagnetic noise. Finally, verify that the total system cable length matches the specified electrical calibration of the Proximitor sensor, do not operate the system with mismatched lengths.
The 330190-040-01-00 is a core, dedicated extension cable within Bently Nevada’s flagship 3300 XL 8mm Proximity Transducer System. It functions as a "lossless high-frequency signal bridge" across the monitoring link, vertically routing weak impedance shifts from the eddy-current probe to the backend 3300 XL Proximitor sensor without distortion. This cable directly determines the measurement accuracy and system stability of the 3500 Machinery Protection System regarding critical rotating machinery assets, including turbine and compressor shaft vibration and axial displacement.
It is a Bently Nevada 3300 XL series Extended Temperature Range (ETR) extension cable used to connect a proximity probe to a Proximitor sensor.
How to use products like the 330190-040-01-00?
Secure one end via the coaxial connector to the proximity probe lead and plug the other end into the Proximitor sensor input channel to transfer high-frequency displacement signals.
What physical parameters can be measured when using the 330190-040-01-00?
It transfers electrical signals within a complete transducer system to measure shaft vibration, axial position, rotational speed, and Keyphasor references on rotating machinery.
What mechanical torque specifications apply to the connectors of the 330190-040-01-00?
When coupling the coaxial plugs, the applied torque must not exceed the manufacturer-specified mechanical limit of 0.565 N·m; finger-tight connections are standard.
What physical materials are used for the connectors on the 330190-040-01-00?
The metallic substrate of its embedded ClickLoc coaxial connectors is composed of brass or beryllium copper, with gold-plated surfaces to prevent contact oxidation.
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