Model: PR6423/004-030 CON021/913-030
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Commercial Path
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Technical Dossier
The Emerson Bently Nevada PR6423 series is a globally deployed eddy current proximity transducer system used in continuous vibration and position monitoring of rotating machinery. It is a standard component in critical asset protection programs at petrochemical plants, refineries, nuclear power stations, LNG terminals, and offshore platforms. The PR6423 sensor operates on the eddy current principle: a high-frequency oscillating magnetic field is generated at the probe tip; when a conductive target approaches, eddy currents are induced, reducing the oscillator amplitude in a manner proportional to the gap distance. This signal is conditioned by a paired CON021 extension cable and driver/oscillator to produce a DC voltage output compatible with Bently Nevada 3500 and ADRE monitoring systems. The series is manufactured to API 670 standards and is the predominant proximity probe specification written into machinery protection contracts across heavy industry worldwide.
The following SKUs represent verified, commonly procured configurations within the PR6423 proximity probe and CON021 extension cable system. Each entry reflects a specific combination of probe tip diameter, cable length, and connector specification.
PR6423/001-030: 5mm tip diameter probe, 1m armored cable, standard connector
PR6423/002-030: 5mm tip diameter probe, 2m armored cable, standard connector
PR6423/003-030: 5mm tip diameter probe, 3m armored cable, standard connector
PR6423/004-030: 5mm tip diameter probe, 4m armored cable, standard connector — paired in this listing with CON021/913-030
PR6423/005-030: 5mm tip diameter probe, 5m armored cable, standard connector
PR6423/007-030: 5mm tip diameter probe, 7m armored cable, standard connector
PR6423/010-030: 5mm tip diameter probe, 10m armored cable, standard connector
PR6423/001-000: 5mm tip diameter probe, 1m cable, bare-end termination
PR6423/004-000: 5mm tip diameter probe, 4m cable, bare-end termination
CON021/913-030: Extension cable assembly, 9m total system length, 3m driver cable, standard connector — the conduit between PR6423 probe and the 3500 monitor rack driver
CON021/916-030: Extension cable assembly, 9m total system length, 6m driver cable, standard connector
CON021/920-030: Extension cable assembly, 9m total system length, 10m driver cable, standard connector
CON021/925-030: Extension cable assembly, 9m total system length, 15m driver cable, standard connector
CON011/916-030: Earlier-generation extension cable, 9m system, 6m driver section, compatible with PR6423 in legacy installations
CON011/920-030: Earlier-generation extension cable, 9m system, 10m driver section, legacy compatible
PR6423/004-030 CON021/913-030: Complete matched loop assembly — 4m probe cable + 9m system extension, the configuration covered by this listing, total system gap range 0.25–2.54mm, output sensitivity –7.87 V/mm nominal
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Related Paths
Emerson Bently Nevada PR6423/014-111 CON031 is listed for Bently Nevada PR6423 Eddy Current RFQ review. Confirm quantity, condition and destination before quotation.
Emerson Bently Nevada PR6423/00R-030 CON021 is listed for Bently Nevada PR6423 Eddy Current RFQ review. Confirm quantity, condition and destination before quotation.
Emerson Bently Nevada PR6423/003-031 CON041 is listed for Bently Nevada PR6423 Eddy Current RFQ review. Confirm quantity, condition and destination before quotation.
