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The 330930-065-03-00 is a coaxial extension cable for rotating machinery condition monitoring, part of the 3300 XL NSv eddy current proximity transducer system. It connects the 3300 NSv probe to the Proximitor sensor, transmitting radio frequency (RF) signals to measure high-speed shaft vibration and displacement.
Axial (thrust) position measurements
Phase reference (Keyphasor signals)
Tachometer and zero speed measurements
The 3300 XL NSv Proximity Transducer system is intended for use with centrifugal air compressors, refrigeration compressors, process gas compressors, and other machines with tight installation requirements. The primary uses for the 3300 XL NSv Transducer System are for areas where counter bore, sideview, or rearview restrictions limit the use of standard Bently Nevada 3300 and 3300 XL 5 and 8 mm Transducer Systems. It is also ideal for small target applications, such as measuring radial vibration on shafts smaller than 51 mm (2 in) or axial position on flat targets smaller than 15 mm (0.6 in).
The 3300 XL NSv Transducer System design allows it to replace both the 3300 RAM Transducer Systems and the 3000-series or 7000-series 190 Transducer System. Upgrades from the 3300 RAM system to the 3300 XL NSv system may use the existing probe, extension cable, and monitoring system with 3300 XL NSv Proximitor Sensor. Upgrades from the 3000-series or 7000-series Transducer System must replace the probe, extension cable, and Proximitor Sensor with NSv components.
The 3300 XL NSv Transducer System has an Average Scale Factor of 7.87 V/mm (200 mV/mil), which is the most common output for eddy current transducers. Its enhanced side view and small target characteristics give it a shorter linear range than the Bently Nevada 3300 XL-series 5 and 8 mm Transducer System. The 1.5 mm (60 mils) of linear range exceeds the linear range of the 3000-series 190 Transducer System.
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 330930-065-03-00 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.
Air Compressor Manufacturing
Connects the probe and Proximitor on high-speed small-diameter shafts of centrifugal air compressors to measure rotor radial vibration.
Petrochemical Processing
Used in process gas compressors for small target applications to transmit axial thrust position and Keyphasor signals.
Oil Refining Industry
Installed on high-speed multi-stage centrifugal oil pumps to transmit RF signals measuring radial bearing vibration to the monitoring system.
Thermal Power Generation
Used in small steam turbines or feedwater pump-driven turbines to connect zero-speed switches to the monitoring device.
Air Separation and Industrial Gases
Used in air separation turboexpanders to resist chemical environment and transmit rotor displacement signals via the FEP jacket.
Offshore Oil Platforms
Used in compact water injection pumps and associated gas compressors on platforms to transmit mechanical vibration signals in restricted areas.
When using the 330930-065-03-00 extension cable, maintain the electrical balance of the 75 Ohm coaxial characteristic, and ensure that the combined length of this 6.5-meter cable and the probe cable strictly matches the Proximitor specifications.
When installing the ClickLoc coaxial connectors, push them straight to lock, and limit the finger-tightening torque below 0.56 N·m to prevent over-tightening damage. Since this model comes without agency approvals (-00 option), it must be installed strictly in non-hazardous general areas, and the included connector protector must be properly applied to isolate field oil and moisture.
The 330930-065-03-00 features a standard 75 Ohm coaxial shielded structure with a Fluoroethylene Propylene (FEP) insulation jacket for chemical and oil resistance. It incorporates gold-plated brass ClickLoc coaxial connectors with a self-locking mechanism to prevent vibration-induced loosening, limiting the maximum tightening torque to 0.56 N·m.
It is a 6.5-meter extension cable for the Bently Nevada 3300 XL NSv system.
How to use 330930-065-03-00?
Connect the 3300 NSv probe cable to the Proximitor.
What is the purpose of 330930-065-03-00?
Used to transmit shaft vibration or displacement signals of rotating machinery.
What is the impedance of 330930-065-03-00?
It is a standard 75 Ohm coaxial cable.
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