Penerangan
Overview
The PR6423/000‑141 from EPRO is an 8 mm eddy current proximity sensor designed for precise non-contact monitoring of shaft vibration, displacement, eccentricity, and rotational speed in turbomachinery. Its robust construction and high measurement accuracy make it ideal for integration into API 670-compliant machine protection systems.
Applications
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Steam and gas turbines
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Compressors, pumps, and fans
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Machine condition monitoring and API 670-compliant protection systems
System Compatibility
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Works with EPRO converters: CON011, CON021, CON031, CON041
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Compatible with AMS 3000 series monitoring modules for real-time condition monitoring
Technical Specifications
| Specification | Details |
|---|---|
| Sensor Head Diameter | 8 mm |
| Measuring Range | 0–2 mm (up to ~3 mm with converter adjustment) |
| Sensitivity | 8 V/mm (~203 mV/mil) |
| Frequency Response | 0–10 kHz (–3 dB) |
| Nominal Air Gap | ~1.0 mm |
| Static Accuracy | ≤ ±1.5% |
| Target Material | Standard ferromagnetic steel (42CrMo4) |
| Maximum Shaft Surface Speed | 2,500 m/s (~98,425 ips) |
| Minimum Shaft Diameter | ≥ 20 mm |
| Operating Temperature Range | –35 °C to +180 °C |
| Short-Term Thermal Excursion | Up to 200 °C for <4 hours |
| Maximum Cable Temperature | 200 °C |
| Pressure Resistance | 10,000 hPa (145 psi) |
| Shock Resistance | 5 g @ 60 Hz |
| Cable Length Options | Typically 5–10 m, configurable |
| Certification | ATEX approved |
Key Features
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Extended Measurement Range: 8 mm head for 2–3 mm displacement monitoring
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Non-Contact Operation: Eliminates mechanical wear, improving longevity
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High-Precision Output: Accurate static and dynamic performance for shaft monitoring
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Durable Construction: Stainless steel housing with armored cable for harsh environments
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Flexible Integration: Compatible with multiple EPRO converters and monitoring modules
FAQ / Additional Notes
Q: Can this sensor measure axial and radial displacement simultaneously?
A: Yes, PR6423/000‑141 is suitable for both radial and axial shaft displacement and vibration monitoring.
Q: Which converters are recommended for optimal performance?
A: For standardized signal output, pairing with CON041 or CON031 is recommended.
Q: How does it compare to PR6423/000‑011?
A: Both offer 8 mm heads and high accuracy, but 000‑141 supports higher temperature excursions and ATEX certification for hazardous environments.
Ciri-ciri
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