PR6422/012-050 EPRO | High-Precision 5mm Shaft Displacement Sensor

EPRO PR6422/012-050 5mm Eddy Current Sensor

Product Summary

The EPRO PR6422/012-050 is a high-precision 5mm eddy current sensor designed for non-contact measurement of radial and axial shaft displacement, eccentricity, and speed. Moreover, its compact design and armored cable ensure durability in harsh industrial environments. Therefore, it is ideal for steam, gas, and hydro turbines, compressors, pumps, and other rotating machinery where accurate monitoring is critical.

Technical Specifications

Sensor Characteristics

• Sensor Tip Diameter: 5 mm

• Nominal Measuring Range: 0–1.0 mm (extendable to 1.5 mm with converter configuration)

• Sensitivity: 16 V/mm (406.4 mV/mil)

• Air Gap (Center): 0.8 mm nominal

• Dynamic Range: ±0.5 mm

• Frequency Response: 0–20 kHz (–3 dB)

• Target Material: Ferromagnetic steel (42CrMo4 standard)

• Maximum Surface Speed: 2,500 m/s

• Minimum Shaft Diameter: ≥20 mm

Cable & Mounting

• Cable Length: 5 meters standard

• Cable Type: Armored for enhanced durability

• Thread Type: M6x0.5

Environmental & Operational Ratings

• Operating Temperature: –35 °C to +180 °C (short-term up to +200 °C)

• Maximum Cable Temperature: +200 °C

• Temperature Error: <2% per 100 K (API compliant)

• Pressure Resistance: 10,000 hPa (145 psi)

• Shock & Vibration: 5 g @ 60 Hz @ 25 °C

• Certification: ATEX approved for hazardous areas

FAQ

Q: What types of machinery are compatible with this sensor?
It is suitable for turbines, compressors, pumps, motors, and other rotating machinery.

Q: Can the sensor operate in high-temperature environments?
Yes, it functions from –35 °C up to +180 °C, with short-term excursions up to +200 °C.

Q: Is the sensor compatible with EPRO monitoring systems?
Yes, it integrates with MMS monitoring systems and converters CON011, CON021, CON031, and CON041.

Q: What is the cable length of the PR6422/012-050?
The standard armored cable is 5 meters, with optional lengths from 4–10 meters.

Q: Does this sensor have hazardous area certification?
Yes, it is ATEX certified for safe operation in hazardous industrial zones.