Description

EPRO PR6423/30J-100 Eddy Current Displacement Probe Sensor

• Product Model: PR6423/30J-100
• Brand: EPRO (Emerson)
• Warranty: One Year
• Working Principle: Non-contact eddy current induction measurement
• Power Supply: 24 VDC industrial power supply, consumption ≤30mA
• Linear Measuring Range: 2 mm full linear stroke
• Standard Sensitivity: 8 V/mm (±5% tolerance at 0~45°C)
• Linearity Error: ≤±0.025 mm full scale
• Frequency Response: DC ~ 20kHz wide frequency band
• Probe Operating Temperature: -35°C ~ +180°C (short-term peak 200°C)
• Extension Cable Temp Range: -20°C ~ +70°C
• Protection Class: IP66 dustproof and waterproof
• Probe Material: 304 stainless steel integrated casing
• Thread Specification: Standard M5 mounting thread
• Cable Configuration: 10-meter armored shielding cable, M12 industrial connector
• Minimum Measured Shaft Diameter: 25 mm ferromagnetic metal target
• Compatible Condition Monitor Rack: EPRO MMS6000 series monitoring system
• 

Product Overview

The PR6423/30J-100 is a high-precision non-contact eddy current displacement sensor from Emerson EPRO PR6423 series, specially developed for online condition monitoring of critical rotating machinery. It effectively solves core equipment monitoring pain points such as contact probe wear, inaccurate shaft vibration/eccentricity reading, signal drift under high temperature and severe vibration, and poor long-term stability in turbine workshops. Based on eddy current electromagnetic induction technology, the probe converts tiny radial/axial shaft clearance changes into standard analog voltage signals, realizing continuous real-time collection of rotor vibration, axial thrust displacement, shaft eccentricity and rotational speed parameters. Widely applied in steam/gas turbines, centrifugal compressors, large pumps, blowers and gearboxes in power plants, petrochemical and oil & gas industries. Matched with EPRO MMS6000 monitoring rack, it forms a complete predictive protection system to pre-alarm rotor looseness, bearing failure and unbalance faults, avoiding catastrophic unit shutdown losses.

Core Functional Features

1. Non-contact Zero-Wear Measuring Technology No mechanical friction between the probe tip and rotating metal shaft, completely eliminates probe abrasion and measurement deviation caused by long-term high-speed operation, greatly extending service life and reducing regular replacement costs.
2. Ultra-Wide High-Temperature Resistant Performance The sensing head supports continuous operation up to 180°C, perfectly adapts to the high-temperature narrow installation space of turbine casings and bearing pedestals, maintains stable linearity and sensitivity under extreme thermal environments.