EPRO PR6423/000-030+CON021 Eddy Current Proximity Sensor Kit

Product Description

The PR6423/000‑030 + CON021 from EPRO is a precision eddy current proximity measurement system engineered for non-contact monitoring of shaft vibration, displacement, and eccentricity in rotating machinery. By combining the rugged PR6423 sensor with the CON021 signal conditioner, the system delivers precise, standardized outputs compatible with machine protection and monitoring systems, fully compliant with API 670 standards.

Key Features and Benefits

• Complete measurement chain: Sensor and converter provide reliable ±10 V output for integration with DCS, PLC, or dedicated monitoring systems.

• Non-contact operation: Reduces wear and maintenance requirements.

• High accuracy: Static accuracy ≤ ±1.5%, dynamic bandwidth up to 10 kHz.

• Industrial durability: Stainless steel sensor and armored cable withstand extreme vibration, shock, and temperature.

• Flexible integration: Suitable for turbines, compressors, pumps, and fans in demanding industrial environments.

Applications

• Steam and gas turbines

• Industrial compressors and pumps

• Fans and heavy-duty rotating equipment

• API 670-compliant machine protection systems in power generation, petrochemical, and heavy industry

Technical Specifications – PR6423/000‑030 Sensor

• Sensor Head Diameter: 8 mm

• Measurement Range: 0–2 mm (extendable to ~3 mm)

• Sensitivity: 8 V/mm (203.2 mV/mil)

• Frequency Response: 0–10 kHz (–3 dB)

• Nominal Air Gap: ~1.0 mm

• Static Accuracy: ≤ ±1.5 %

• Target Material: Ferromagnetic steel (42CrMo4 standard)

• Operating Temperature: –35 °C to +180 °C

• Short-Term Excursion: Up to 200 °C (<4 h)

• Maximum Cable Temperature: 200 °C

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

• Shock Resistance: 5 g @ 60 Hz

• Cable Length Options: 5–10 m

• Output Signal: Raw sensor signal

• Certifications: ATEX approved

Technical Specifications – CON021 Converter

• Input: PR6423 sensor signal

• Output Signal: Standardized ±10 V

• Configurable Output Scaling: Yes

• Frequency Response: Matches sensor bandwidth (0–10 kHz)

• Operating Temperature: –35 °C to +85 °C

• Certifications: CE, API 670 compliant

• Designed for continuous industrial operation with high reliability

FAQ

Q: Can this system measure both radial and axial shaft vibration?
A: Yes, the PR6423/000‑030 supports both radial and axial measurements.

Q: Which machinery is compatible?
A: Steam/gas turbines, compressors, pumps, fans, and other rotating equipment requiring high-precision monitoring.

Q: How is the sensor connected to monitoring systems?
A: The PR6423 connects to the CON021, which converts the raw signal to ±10 V for DCS, PLC, or monitoring systems.

Q: How does it differ from similar models?
A: Compared with earlier PR6422 models, PR6423 provides a larger 8 mm head, extended range (up to 3 mm), and improved high-frequency response.