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        Epro PR6424-000-000-CON21
        Epro PR6424-000-000-CON21
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        PR6424-000-000-CON21

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        Emerson EPRO PR6424-000-000-CON21 is a factory-adjusted 16 mm eddy-current measurement chain for non-contact shaft displacement, position, eccentricity, and speed monitoring.
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        Ships by Wednesday, October 28
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        Warranty Policy
        We provide 1 year warranty for all remaining parts.
        The warranty period is one year from the date of shipment, unless otherwise stated in the parts description. We guarantee that the project will not exhibit functional defects that may occur under normal operating conditions during the warranty period.
        Return Notice
        The warranty period is one year from the date of shipment, unless otherwise stated in the parts description. We guarantee that the project will not exhibit functional defects that may occur under normal operating conditions during the warranty period.
        In the event of a defect, we will send new equipment, repair equipment or refund the purchase price based on our availability. You must contact us to obtain a return authorization and return the defective device to us within 14 days of reporting the defect.
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        Various transportation options are available in each country. Shipping methods and fees are clearly indicated on all quotations.Various transportation options are available in each country. Shipping methods and fees are clearly indicated on all quotations.
        Parts Availability
        Apter Power offers a wide range of components, products and services related to industrial automation. We also supply new products from a variety of quality manufacturers.
        How to order
        We have been working hard to update our inventory. If we have stock or parts available for new factory purchases, you can contact the order online. If we do not currently have an inventory, the displayed quantity will show "Ask". Please create an online quote or contact us by phone, fax or email to check availability.

        Technical specifications for PR6424-000-000-CON21

        • Manufacturer:
          Emerson
        • Part Number:
          PR6424-000-000-CON21
        • Product Family:
          Epro
        • Product Type:
          16 mm Eddy Current Measurement Chain
        • Stock:
          1
        • Measurement Principle:
          Non-contact eddy current
        • Sensor Diameter Class:
          16 mm
        • Sleeve Thread:
          M18 × 1.5
        • Total Cable Length:
          4 m
        • Factory Calibration Target:
          42CrMo4 ferromagnetic steel
        • Nominal Sensitivity:
          4 V/mm (101.6 mV/mil)
        • Standard-Range Linearity Error:
          ≤ ±1.5%
        • Nominal Center Air Gap:
          Approximately 2.7 mm
        • Static Measuring Range:
          ±2.0 mm
        • Dynamic Measuring Range:
          0 to 1,000 µm
        • Maximum Target Surface Speed:
          2,500 m/s
        • Minimum Shaft Diameter:
          80 mm
        • CON021 Nominal Supply:
          −24 V DC
        • CON021 Supply Range:
          −23 to −28 V for −4 to −20 V output; −21 to −28 V for −2 to −18 V output
        • CON021 Factory Output Range:
          −2 to −18 V
        • CON021 Optional Output Range:
          −4 to −20 V
        • Nominal Frequency Range:
          0 to 20 kHz (−3 dB) with 10 nF load
        • Converter Sensor Input:
          Self-locking LEMO socket
        • Sensor Nominal Operating Range:
          −35 to +120°C
        • Sensor Head Pressure Resistance:
          10,000 hPa
        • Shock and Vibration:
          5 g at 60 Hz
        • Tariff Code:
          9031809090
        • 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 Pairing Signal & Power Installation Application
        • Factory-adjusted PR6424/000-000 sensor, 4 m cable, and CON021 converter measurement chain
        • Non-contact measurement of radial and axial shaft displacement, position, eccentricity, and speed/key
        • Calibrated for a 42CrMo4 ferromagnetic-steel target with standard sensitivity of 4 V/mm

        PR6424-000-000-CON21 is an Emerson EPRO 16 mm eddy-current measurement chain designed for critical turbomachinery monitoring.

        Its PR6424/000-000 probe connects through a 4 m LEMO-ended cable to the matched CON021 converter, which supplies the sensor and converts probe distance into a proportional voltage signal.

        Before installation or replacement, verify the factory-matched identities, target material, mounting gap, adjacent-probe spacing, converter supply, output-range setting, and hazardous-area installation requirements.

        Availability, condition, price, and shipping time for PR6424-000-000-CON21 are confirmed during quotation.

        Emerson EPRO PR6424-000-000-CON21 Eddy Current Measurement Chain Manuals, Product Family, Links

        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.

        • The supplied CON021 label identifies the converter as adjusted for PR6424/000-000
        • The matched sensor, cable, and converter form a factory-calibrated measurement chain
        • The supplied chain is adjusted for a 42CrMo4 target; another target material requires verified recalibration
        • CON021 accepts the PR6424 cable through a self-locking LEMO sensor input
        • The factory output range is −2 to −18 V; opening wire bridge A changes it to −4 to −20 V
        • Nominal converter supply is −24 V DC, with the permitted supply range dependent on the selected output range
        • Set the probe-to-target distance from the converter output and secure the PR6424 locknut after adjustment
        • Prevent mutual influence between adjacent PR6424 probes by applying Emerson's tuned or de-tuned spacing factors
        • Follow the approved hazardous-area procedure; soldering inside the converter invalidates its ATEX and CSA conformity
        • Radial and axial shaft dynamic-displacement monitoring on steam, gas, and hydro turbines
        • Shaft position and eccentricity measurement on critical compressors
        • Speed/key and shaft-motion measurement on industrial pumps and fans
        Description
        PR6424-000-000-CON21 is an Emerson EPRO 16 mm eddy-current measurement chain in the CON0x1 and PR642x system.

        The matched chain combines a PR6424/000-000 sensor and cable with a CON021 converter adjusted for a 42CrMo4 target, producing a voltage signal proportional to shaft displacement and vibration.

        Before installation or replacement, confirm that the sensor and converter remain the calibrated pair, then verify the target material, probe gap, LEMO connection, supply, output-range setting, mounting, and hazardous-area requirements.
        Alternative Names
        PR6424-000-000-CON21 PR6424/000-000 CON021 PR6424/000-000-CON021 PR6424-000-000 CON021 PR6424/000-000 CON 021 Emerson PR6424/000-000 CON021 Emerson EPRO PR6424/000-000 CON021 epro PR6424/000-000 CON021
        Technical notes
        Emerson EPRO PR6424-000-000-CON21 pairs PR6424/000-000 with its adjusted CON021 converter. Keep the matched chain, 42CrMo4 calibration, LEMO connection, and original gap setting together.
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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.
        VIEW ALL FAQS
        Why should the original sensor and converter in Emerson EPRO PR6424-000-000-CON21 remain together?
        The sensor, cable, and CON021 form a factory-adjusted measurement chain. The supplied converter label identifies PR6424/000-000 and 42CrMo4; mixing parts can change the transfer curve and requires a verified recalibration.
        Can Emerson EPRO PR6424-000-000-CON21 measure a shaft made from material other than 42CrMo4?
        Not with the labeled calibration assumed unchanged. Eddy-current response depends on target material. A different conductive target requires a matching material sample, recalibration, and confirmation of the resulting range and error.
        What can cause an incorrect reading after one part of Emerson EPRO PR6424-000-000-CON21 is replaced?
        Common causes include a mismatched sensor and converter, wrong target material, incorrect probe gap, damaged LEMO or cable, unsuitable supply, wrong output-range bridge setting, or excessive output loading.
        How should nearby probes be spaced when Emerson EPRO PR6424-000-000-CON21 is installed with another eddy-current chain?
        Closely mounted probes can influence one another. For PR6424, Emerson specifies a minimum distance based on sensor-head diameter: one times the diameter when de-tuned and two times when tuned.
        Can the PR6424 sensor in Emerson EPRO PR6424-000-000-CON21 be connected directly to a CON031 converter?
        Do not assume a direct swap. CON021 uses a self-locking LEMO input, while CON031 uses screw terminals for open cable ends; connector form, calibration, output setup, and approvals must be reviewed.
        Why should soldering be avoided when recalibrating Emerson EPRO PR6424-000-000-CON21?
        Emerson states that soldering at the converter is not approved for CSA and ATEX conformity. If soldering is performed, those conformities are lost, so an approved service route is required.
        What should be checked when Emerson EPRO PR6424-000-000-CON21 output remains near a voltage limit?
        Check the −24 V supply, selected output range, probe-to-target gap, 42CrMo4 target, LEMO connection, cable continuity, load resistance, and whether the sensor still matches the adjusted CON021.

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