EMERSON PR6423-010-040-CON021
EMERSON PR6423-010-040-CON021
EMERSON PR6423-010-040-CON021
EMERSON PR6423-010-040-CON021
EMERSON PR6423-010-040-CON021
EMERSON PR6423-010-040-CON021
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PR6423/010-040 CON021

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The Emerson PR6423/010-040 CON021 is an 8mm eddy current sensor with 2mm linear range, 8 V/mm scale factor, IP66, and -35 to +180°C operation.
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Technical specifications for PR6423/010-040 CON021

  • Manufacturer:
    Emerson
  • Part Number:
    PR6423/010-040 CON021
  • Product Family:
    Epro
  • Product Type:
    8mm Eddy Current Sensor
  • Stock:
    1
  • 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
  • Sensor Tip Material:
    PEEK (Polyether Ether Ketone)
  • Case Material:
    Stainless Steel
  • Cable Material:
    PTFE
  • Connector Material:
    Brass, nickel-plated
  • Weight:
    0.3 kg
  • Estimated shipping dimensions:
    16x15x4cm
  • Tariff Code:
    8431209000
  • Country of origin:
    USA
  • 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 Operating Environment Monitoring and Control

Features:

  • 2mm linear range with 8 V/mm scale factor and ±0.025mm DSL.
  • -35°C to +180°C operation with dust/water resistance for harsh environments.
  • ATEX, IEC-Ex, CSA with intrinsic safety (ia) and non-sparking (nA) approvals.
The PR6423/010-040 CON021 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 PR6423/010-040 CON021 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 PR6423/010-040 CON021 achieves DSL of ±0.025mm (±1 mil), making it suitable for applications requiring high measurement accuracy.

The PR6423/010-040 CON021 is designed for harsh industrial environments with 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 PR6423/010-040 CON021 features IP66 protection per IEC 60529, providing resistance to dust and water ingress. The PR6423/010-040 CON021 is constructed with a PEEK sensor tip, stainless steel case, PTFE cable, and nickel-plated brass connector for chemical and corrosion resistance. The PR6423/010-040 CON021 weighs approximately 100g with 1m cable.

The PR6423/010-040 CON021 carries multiple hazardous area certifications including ATEX, IEC-Ex, and CSA, supporting both intrinsic safety (ia) and non-sparking (nA) approvals. The PR6423/010-040 CON021 has temperature classifications T6 (Ta ≤ 64°C), T4 (Ta ≤ 114°C), and T3 (Ta ≤ 160°C) depending on the converter and application. The PR6423/010-040 CON021 complies with CE directives including 2014/30/EU (EMC), 2014/34/EU (ATEX), and 2011/65/EU (RoHS). The PR6423-010-040-CON021 is available with M10x1 or 3/8-24 UNF case threads, armored cable options, and Lemo connector or open cable ends.

The PR6423/010-040 CON021 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 PR6423/010-040 CON021 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 PR6423/010-040 CON021 8mm Eddy Current Sensor Specs

General

  • Manufacturer EMERSON
  • Model PR6423/010-040 CON021
  • Condition New Original ready stock
  • Product Family PR6423/00R-101 CON031,PR6423/005-001,PR6423/003-030 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 Generation: Steam, gas, and hydro turbines in power plants for core rotor monitoring.
  • Oil & Gas / Petrochemical: High-speed centrifugal compressors, multi-stage pumps, and industrial fans.
  • Mechanical Operations: Heavy gearboxes, blowers, and large electric motors.
  • Temperature Range: Operates from -35°C to 200°C (-31°F to 392°F), letting it sit inside hot turbine housings.
  • Sealing Protection: Features an IP66 / IP67 rated stainless steel sleeve structure that is highly resistant to aggressive turbine lubricating oils, high-pressure environments (up to 20 bar), and chemical vapor.
  • Hazardous Area Certifications: The combined system is intrinsically safe, carrying global explosion-proof ratings such as ATEX, IECEx, and CSA for Zone 0, 1, and 2 environments.
  • Signal Conversion & Sensitivity: The CON021 Converter powers the probe's driver circuit. It handles a linear measurement range of 2 mm (80 mils) with a nominal scale factor of 8 V/mm (203.2 mV/mil).
  • Initial Setup (Gap Voltage): During installation, operators verify a 0.5 mm initial air gap. This typically yields a baseline bias/offset voltage around -10 VDC, which is monitored by technicians to ensure the probe remains centered within its linear range.
  • System Integration: The negative raw voltage signal (-4 to -20 VDC or -2 to -18 VDC) feeds directly into dedicated machinery health protection systems like the Emerson AMS 6500 or legacy MMS 6000 / MMS 3000 systems.
Description
The Emerson PR6423/010-040 CON021 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 Emerson PR6423/010-040 CON021 has 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 PR6423/010-040 CON021 provides Deviation from Best Fit Straight Line (DSL) of ±0.025mm (±1 mil) over the same temperature range. 

The Emerson PR6423/010-040 CON021 features IP66 protection per IEC 60529 for dust and water resistance. The PR6423/010-040 CON021 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 PR6423/010-040 CON021 is constructed with a PEEK sensor tip and stainless steel case, with PTFE cable and nickel-plated brass connector.

The Emerson PR6423/010-040 CON021 carries CE, ATEX, IEC-Ex, and CSA certifications for hazardous area installations. The PR6423/010-040 CON021 supports both intrinsic safety (ia) and non-sparking (nA) approvals with temperature classifications T6, T4, and T3 depending on ambient temperature. The PR6423/010-040 CON021 is available with M10x1 or 3/8-24 UNF case threads, armored cable options, and Lemo connector or open cable ends.
Alternative Names
PR6423/O1O-O4O-CONO21 PR6423/0I0-040-CON02I PR6423 010 040 CON021 PR6423/10R-010 PR6423/00R-101 CON031 PR6423/005-001 PR6423/003-030 CON021 PR6423/004-120-CN CON021
Technical notes
The Emerson PR6423/010-040 CON021 is an 8mm eddy current sensor for turbomachinery with 2mm linear range, 8 V/mm scale factor, and ±0.025mm DSL. Features IP66, -35°C to +180°C, PEEK tip, stainless steel case, and PTFE cable. CE/ATEX/IEC-Ex/CSA certified with ia/nA approvals. 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 PR6423/010-040 CON021?
It measures radial/axial shaft dynamic displacement, position, eccentricity, and speed in turbomachinery applications.
What is the linear range of the PR6423/010-040 CON021?
It has a 2mm (80 mils) linear measurement range with 0.5mm initial air gap and 8 V/mm scale factor.
What is the temperature range of the PR6423/010-040 CON021?
Sensor: -35°C to +180°C; Cable/connector: -35°C to +150°C with IP66 protection.
What certifications does the PR6423/010-040 CON021 carry?
CE, ATEX, IEC-Ex, and CSA with intrinsic safety (ia) and non-sparking (nA) approvals.

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