Product Details
The Emerson PR6423/010-100, also cataloged as the PR6423/010-100 Eddy Current Displacement Sensors, operates as a dedicated hardware component for non-contact dynamic shaft displacement and position measurement within turbomachinery protection systems. The probe conditions electromagnetic field alterations generated by rotor target proximity directly into dynamic displacement signals.
Hardware Specifications
| Parameter | Specification |
|---|---|
| Model | PR6423/010-100 |
| Brand | Emerson |
| Origin | Germany |
| Weight | Standard sensor assembly mass |
| Dimensions | 100 mm case thread length |
| Operating Temp | -35 to +180 deg C (-31 to +356 deg F) |
| Power Consumption | Powered via external signal converter |
| Measurement Range | +/- 2.0 mm (dynamic) |
| Sensitivity | 8 V/mm (203.2 mV/mil) |
| Target Material | Ferromagnetic steel |
| Pressure Resistance | Up to 10000 hPa (145 psi) |
| Cable Material | PTFE (optional armored cable available) |
| Protection Class | IP66 |
| Product Type | Eddy Current Displacement Sensors |
4-20 mA HART Loop Protocol and Channel Isolation
The signal conditioning electronics downstream of the PR6423/010-100 sensor utilize channel-to-channel isolation architecture to isolate primary inductive sensor loops from plant power buses and process interference. When integrated into control networks featuring 4-20 mA HART loop protocol transmitters or FOUNDATION Fieldbus monitoring nodes, the sensor system preserves linearity across dynamic vibration profiles. Thermal variations within the -35 to +180 deg C range are offset by cold junction compensation reference tracking within the evaluation converter to maintain sensitivity stability.
Frequently Asked Questions
Q: What target material is required to maintain the specified 8 V/mm sensitivity without recalibration?
A: The sensor sensitivity of 8 V/mm is calibrated specifically for ferromagnetic steel targets; non-magnetic or alternative alloy targets alter inductive coupling and require re-scaling.
Q: How does the IP66 rating and pressure resistance limit environmental ingress at the installation point?
A: The sensor body features an IP66 ingress protection rating against heavy fluid spray and resists static process casing pressures up to 10000 hPa (145 psi).
Q: What is the mechanical function of the PTFE cable sheath?
A: The PTFE cable material provides high thermal tolerance up to +180 deg C and Chemical resistance against synthetic lubricants inside turbomachinery housings.
Field Installation Guidelines
- Clean the rotor measurement surface to ensure it is free from metal debris, mechanical gouges, and excessive surface runout.
- Thread the 100 mm casing of the probe into the mounting bracket perpendicular to the target shaft axis.
- Set the mechanical air gap using non-magnetic feeler gauges or by monitoring static DC bias voltage at the evaluation unit before locking.
- Torque the outer mounting jam nut against the bracket to prevent mechanical loosening under operational vibration.
- Route the PTFE cable through protective grounded conduit, maintaining minimum bend radii to protect internal coaxial conductors.
- Connect the cable shield to the single-point instrument ground bus inside the junction enclosure.
Additional Information
- 100% Genuine Parts: All products are original and authentic, ensuring reliable industrial performance.
- 30-Day Refund Guarantee: Return any in-stock item within 30 days in original, unopened packaging for a full refund (excluding shipping and fees).
- 12-Month Warranty: Covers defects in materials or workmanship; excludes misuse, normal wear, or unauthorized modifications.
- Worldwide Shipping: We ship via USPS, UPS, FedEx, and DHL. Delivery times vary by country and may be subject to customs or import fees.
- Support & Contact: Technical and warranty assistance is available anytime. Contact us here: Contact.
- Purchase Guidance: Check product specifications and compatibility carefully before ordering to ensure proper application.
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