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PR6423/011-000

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The Emerson PR6423/011-000 is an 8mm eddy current sensor with M10x1 thread, armored cable, 2mm linear range, 8 V/mm scale factor, and -35 to +180°C operation.
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Technical specifications for PR6423/011-000

  • Manufacturer:
    Emerson
  • Part Number:
    PR6423/011-000
  • Product Family:
    Epro
  • Product Type:
    8mm Eddy Current Sensor
  • Stock:
    1
  • Case Thread:
    M10x1
  • Linear Measurement Range:
    2 mm (80 mils)
  • Initial Air Gap:
    0.5 mm (20 mils)
  • Incremental Scale Factor:
    8 V/mm (203.2 mV/mil) ±5% (0-45°C)
  • DSL:
    ±0.025 mm (±1 mil) (0-45°C)
  • Minimum Shaft Diameter:
    25 mm (0.79 in)
  • Target Material (Standard):
    42CrMo4 (AISI/SAE 4140)
  • Protection Class:
    IP66 (IEC 60529)
  • Sensor Temp Range:
    -35°C to +180°C
  • Cable/Connector Temp Range:
    -35°C to +150°C
  • Case Material:
    Stainless Steel
  • Weight:
    0.3 kg
  • Estimated shipping dimensions:
    16x15x4cm
  • Tariff Code:
    8431209000
  • Country of origin:
    Germany
  • Place of shipment:
    Xiamen, Fujian, China
By purchasing this item, you agree to the Terms & Conditions, ApterPower is not an authorized distributor for listed manufacturers or tradenames and therefore the manufacturer's warranty does not apply. All our products come with ApterPower's 1-year warranty.

More Information

Overview Manuals Specifications Application Environmental Conditions Monitoring & Control

Features:

  • Interface Between the Universal AC Power Source and 3500 Rack Backplane
  • Armored construction with -35°C to +180°C operation for harsh environments.
  • ATEX, IEC-Ex, CSA with intrinsic safety (ia) and non-sparking (nA) approvals.
The PR6423/011-000 is an 8mm eddy current sensor providing high-precision measurement of shaft dynamic displacement, position, eccentricity, and speed. With a linear measurement range of 2mm (80 mils) and an initial air gap of 0.5mm (20 mils), the PR6423/011-000 delivers accurate data for critical turbomachinery monitoring. The Incremental Scale Factor of 8 V/mm (203.2 mV/mil) ±5% over 0°C to 45°C ensures reliable signal output. The PR6423/011-000 achieves DSL of ±0.025mm (±1 mil), making it suitable for applications requiring high measurement accuracy.

The PR6423/011-000 features an armored cable for enhanced mechanical protection against physical damage, making it suitable for harsh industrial environments. The sensor operates from -35°C to +180°C for the sensor including 1m cable, and -35°C to +150°C for the cable and connector. The PR6423/011-000 features IP66 protection per IEC 60529, providing resistance to dust and water ingress. The PR6423/011-000 is constructed with a PEEK sensor tip, stainless steel case, PTFE cable, and nickel-plated brass connector.

The PR6423/011-000 carries multiple hazardous area certifications including ATEX, IEC-Ex, and CSA, supporting both intrinsic safety (ia) and non-sparking (nA) approvals. The PR6423/011-000 has temperature classifications T6 (Ta ≤ 64°C), T4 (Ta ≤ 114°C), and T3 (Ta ≤ 160°C) depending on the converter and application. The PR6423/011-000 complies with CE directives including 2014/30/EU (EMC), 2014/34/EU (ATEX), and 2011/65/EU (RoHS). The PR6423/011-000 features an M10x1 case thread and is available with Lemo connector or open cable ends.

The PR6423/011-000 Emerson 8mm Eddy Current Sensor may still be available for purchase and support from Apter Power beyond End-Of-Life (EOL) by the manufacturer (OEM).

Emerson PR6423/011-000 8mm Eddy Current 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. All prices are shown in USD.
Emerson PR6423/011-000 8mm Eddy Current Sensor Specs

General

  • Manufacturer Emerson
  • Model PR6423/011-000
  • Condition New Original ready stock
  • Product Family PR6423/00R-101 CON031,PR6423/003-030 CON021,PR6423/010-040 CON021
Important Notice: Other accessories, manuals, cables, calibration data, software, etc. are not included with this equipment unless listed in the above stock item description. All prices are shown in USD.
  • Power Plants: Installed on high-capacity steam turbines, utility gas turbines, hydro-turbines, and generator bearings.
  • Hydrocarbon Infrastructure: Protects high-speed centrifugal compressors, turbo-expanders, and multi-stage process pumps in oil refineries and gas processing facilities.
  • Heavy Process Industries: Tracks the shaft health of large industrial blowers, boiler feed pumps, air separators, and massive gearboxes in steel or pulp mills.
  • Aviation & Marine Propulsion: Monitors critical high-RPM test beds, turbochargers, and primary propulsion shaft dynamics.
  • Extreme Temperatures: The sensor head, integrated cable, and standard connector are engineered to operate reliably across a vast temperature range from -35 °C to +150 °C (-31 °F to +302 °F).
  • Aggressive Fluid Resistance: The probe tip material is structurally immune to chemical corruption from synthetic oils, aggressive hydraulic fluids, industrial lubricants, and ambient moisture.
  • Ingress & Hermetic Protection: The sensor casing and tip meet IP68 ingress standards, meaning it can withstand high-pressure spray-downs and continuous immersion under oil or water without seal degradation.
  • Hazardous Area Certification: The PR6423 series offers explosion-proof compliance (including ATEX, IECEx, and regional certifications) for deployment in Zone 0, Zone 1, and Zone 2 explosive gas and vapor environments.
  • Primary Metrics Measured: Captures vital mechanical variables including radial shaft vibration (dynamic movement within the bearing clearance), axial shaft position / thrust (preventing rotor-to-stator collision), and rotational speed / phase reference (Keyphasor applications).
  • Sensor Loop Topology: The sensor is paired with an extension cable and connects to an Emerson CON011 / CON021 / CON041 signal converter (driver). This converter transforms the raw high-frequency field variation into a standardized analog voltage signal (typically 8 V/mm or 200 mV/mil).
  • Monitoring System Integration: The conditioned analog signal feeds directly into specialized vibration monitoring racks, such as the Emerson AMS 6500 Machinery Health Monitor or the CSI 6500 Protection System.
  • Safety Interlocks & Control Room: The AMS 6500 rack processes the metrics to drive real-time automated relay trips (for machinery emergency shutdown) and outputs data via Modbus TCP/IP or Ethernet to the plant's central Distributed Control System (DCS), PLC, or AMS Machine Works predictive maintenance software.
Description
The Emerson PR6423/011-000 is an 8mm eddy current sensor designed for critical turbomachinery applications such as steam, gas, and hydro turbines, compressors, and gearboxes. This non-contact sensor measures radial and axial shaft dynamic displacement, position, eccentricity, and speed. The PR6423/011-000 features an M10x1 case thread with armored cable for enhanced mechanical protection.

The Emerson PR6423/011-000 has a linear measurement range of 2mm (80 mils) with an initial air gap of 0.5mm (20 mils). The PR6423/011-000 provides an Incremental Scale Factor (ISF) of 8 V/mm (203.2 mV/mil) ±5% over the temperature range of 0°C to 45°C. The PR6423/011-000 achieves a Deviation from Best Fit Straight Line (DSL) of ±0.025mm (±1 mil).

The Emerson PR6423/011-000 features IP66 protection per IEC 60529 for dust and water resistance. The PR6423/011-000 has an operating temperature range of -35°C to +180°C for the sensor including 1m cable, and -35°C to +150°C for the cable and connector. The PR6423/011-000 is constructed with a PEEK sensor tip and stainless steel case, with PTFE cable and nickel-plated brass connector.

The Emerson PR6423/011-000 carries CE, ATEX, IEC-Ex, and CSA certifications for hazardous area installations. The PR6423/011-000 supports both intrinsic safety (ia) and non-sparking (nA) approvals with temperature classifications T6, T4, and T3 depending on ambient temperature. The PR6423/011-000 features an armored cable for enhanced mechanical protection and is available with Lemo connector or open cable ends.
Alternative Names
PR6423/O11-OOO PR6423/0II-000 PR6423 011 000 PR6423/10R-010 PR6423/002-001 CON041 PR6423/005-001 PR6423/003-030 CON021 PR6423/10R-030-CN CON021
Technical notes
The Emerson PR6423/011-000 is an 8mm eddy current sensor with M10x1 thread and armored cable, featuring 2mm linear range, 8 V/mm scale factor, and ±0.025mm DSL. IP66 rated, -35°C to +180°C, PEEK tip, stainless steel case, PTFE cable. CE/ATEX/IEC-Ex/CSA certified. Ideal for turbines, compressors, and pumps.
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FAQS

The following is a list of questions commonly asked by our customers. Please contact us if you have a question about our process that is not answered below.
What is the primary function of the PR6423/011-000?
It measures radial/axial shaft dynamic displacement, position, eccentricity, and speed in turbomachinery applications.
What is the linear range of the PR6423/011-000?
It has a 2mm (80 mils) linear range with 0.5mm initial air gap and 8 V/mm scale factor.
What is the temperature range of the PR6423/011-000?
Sensor: -35°C to +180°C; Cable/connector: -35°C to +150°C with IP66 protection.
What certifications does the PR6423/011-000 carry?
CE, ATEX, IEC-Ex, and CSA with intrinsic safety (ia) and non-sparking (nA) approvals.

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