Product Details
The Emerson PR6423/00E-030, also cataloged as the PR6423 Proximity Sensors, operates as a dedicated hardware component for non-contact displacement and vibration detection within Emerson AMS and DCS platforms. The sensor features an 8 mm probe tip diameter and connects to a compatible CON021 signal converter to transform high-frequency inductive magnetic fields into proportional electrical signals. Operating on an eddy current measurement principle, the assembly tracks non-contact physical position changes across conductive target metal surfaces without mechanical contact.
Hardware Specifications
| Parameter | Specification |
|---|---|
| Model | PR6423/00E-030 |
| Brand | Emerson |
| Origin | United States |
| Weight | Approx. 0.3 kg |
| Dimensions | M14 x 1.5 thread body layout |
| Operating Temp | -35 to +180 deg C |
| Power Consumption | < 50 mA (Current Consumption) |
| Supply Voltage | -24 VDC via compatible converter |
| Measurement Range | 0 to 4 mm typical |
| Sensitivity | 4 mV/um |
| Output Signal | 4-20 mA or dynamic voltage |
| Frequency Response | DC to 10 kHz |
| Linearity / Resolution | Linearity <= +/-1% FS, Resolution <= 1 um |
| Housing & Tip Material | Stainless steel body, 8 mm probe tip |
| Ingress Protection | IP65 when properly installed |
4-20 mA HART Loop Protocol & Channel Isolation
When integrated into CON021 signal converters, the sensor interface delivers conditioned analog voltage or 4-20 mA HART loop protocol outputs to upstream monitoring racks. Individual channel-to-channel isolation prevents common-mode ground potential shifts from introducing high-frequency noise into DC to 10 kHz dynamic measurements. Thermal compensation across the -35 to +180 deg C operating window maintains sensitivity stability at 4 mV/um, ensuring repeatable displacement data despite process temperature fluctuations.
Frequently Asked Questions
Q: What power supply parameters are required to operate the sensor system? A: The sensor receives nominal -24 VDC excitation directly through the matched CON021 converter module, drawing less than 50 mA during operation.
Q: What is the calibrated measurement range and sensitivity of the 8 mm probe tip? A: The probe tip measures a physical range of 0 to 4 mm with a factory-calibrated sensitivity scale of 4 mV/um.
Field Installation Guidelines
Ensure an unobstructed radial clearance zone around the 8 mm probe tip equal to at least 1.5 times the tip diameter to eliminate uncalibrated inductive loading from surrounding metallic enclosures. Mount the sensor body using the standard M14 x 1.5 threaded housing and torque locknuts to engineering limits to maintain fixed gap geometry. Route the 3 m modular cable through grounded metallic conduit, keeping signal lines isolated from high-voltage AC feeds or motor driver wiring. Earth the cable shield braid at a single technical ground connection point inside the main monitoring cabinet.
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.
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- 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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