Model: 330903-00-11-05-02-CN
Product Overview
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Datasheet Preview
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Commercial Path
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Technical Dossier
The Bently Nevada 330903 series comprises extension cables engineered for the NSv (Non-contacting Vibration) transducer system, a sub-architecture of the broader 3300 XL and System 1 condition monitoring platforms. These cables serve as the signal transmission link between proximity probes and Proximitor sensors in rotating machinery protection systems deployed across refineries, petrochemical complexes, nuclear power stations, LNG terminals, and offshore platforms. The 330903 series is specified in API 670-compliant installations where cable length, connector type, and armoring grade are defined by the machinery OEM or the end-user's instrumentation standard. Field installations of this series are documented across GE, Baker Hughes, and third-party DCS integrations in heavy industrial environments where continuous shaft vibration and axial position monitoring are safety-critical functions.
The following SKUs represent verified, commonly specified part numbers within the 330903 extension cable series, organized by configuration parameters including length, connector type, and armoring:
330903-00-11-05-02-CN: NSv extension cable, 5m, standard armor, CN connector, 3300 XL compatible
330903-00-11-05-02-00: NSv extension cable, 5m, standard armor, bare-end termination
330903-00-11-10-02-CN: NSv extension cable, 10m, standard armor, CN connector
330903-00-11-10-02-00: NSv extension cable, 10m, standard armor, bare-end termination
330903-00-11-15-02-CN: NSv extension cable, 15m, standard armor, CN connector
330903-00-11-20-02-CN: NSv extension cable, 20m, standard armor, CN connector
330903-00-11-25-02-CN: NSv extension cable, 25m, standard armor, CN connector
330903-00-11-30-02-CN: NSv extension cable, 30m, standard armor, CN connector
330903-00-11-05-05-CN: NSv extension cable, 5m, high-flex armor, CN connector, high-vibration zones
330903-00-11-10-05-CN: NSv extension cable, 10m, high-flex armor, CN connector
330903-00-11-05-02-TM: NSv extension cable, 5m, standard armor, TM connector, 3500 series compatible
330903-00-11-10-02-TM: NSv extension cable, 10m, standard armor, TM connector
330903-00-11-15-02-TM: NSv extension cable, 15m, standard armor, TM connector
330903-00-11-20-02-TM: NSv extension cable, 20m, standard armor, TM connector
330903-00-11-05-02-HT: NSv extension cable, 5m, high-temperature rated, CN connector, up to 150°C ambient
330903-00-11-10-02-HT: NSv extension cable, 10m, high-temperature rated, CN connector
330903-00-11-30-02-TM: NSv extension cable, 30m, standard armor, TM connector, long-run installations
Extension cables in the 330903 series are passive components, but their electrical characteristics are critical to system accuracy. DriveKNMS applies a structured verification protocol to all 330903 units prior to dispatch. Cable capacitance is measured end-to-end using an LCR meter and compared against the Bently Nevada specification (nominally 30 pF/ft ±10% for standard NSv cables). Connector integrity is inspected under magnification for pin straightness, thread condition, and center conductor concentricity. Armor continuity and shield termination resistance are verified to confirm that the cable's EMI rejection performance meets the original specification — a parameter that is particularly important in installations near high-voltage switchgear or variable frequency drives. For armored variants, the outer jacket is inspected for abrasion, kinking, or compression damage that could affect the dielectric properties of the inner coaxial construction. Units sourced from decommissioned plant assets undergo a full dielectric withstand test in addition to the standard electrical checks. All test results are documented and available to customers on request, supporting plant maintenance records and third-party audit requirements.
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