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Product Introduction
The Epro PR6423/011-010+CON021 is a premium-quality non-contact eddy current displacement sensor designed for precise vibration and position monitoring of rotating machinery. Originating from Epro (now part of Emerson), this 8mm probe system is engineered for use in harsh industrial environments and is commonly employed in turbines, compressors, pumps, and other rotating equipment.
This system includes the PR6423/011-010 probe and the CON021 connection interface, which together form a robust vibration monitoring solution. The sensor operates based on the eddy current principle, detecting the displacement of a conductive target without physical contact. It ensures highly reliable and accurate signal transmission even in demanding conditions like high temperatures, high pressures, and contamination-prone areas.
Technical Specifications
| Parameter | Specification |
|---|---|
| Model | PR6423/011-010 + CON021 |
| Sensor Type | Eddy Current Displacement Sensor |
| Measuring Principle | Non-contact eddy current |
| Measuring Range | 0 to 2 mm (typical) |
| Linear Range | ±1 mm |
| Sensor Head Diameter | 8 mm |
| Cable Length | 10 meters |
| Connection Type | CON021 Connector |
| Frequency Range | DC to 10 kHz |
| Sensitivity | 7.87 mV/μm (±5%) typical |
| Linear Error | < ±1% of Full Scale |
| Temperature Range (Probe) | -35°C to +180°C |
| Temperature Range (CON021) | -35°C to +130°C |
| Target Material | Typically AISI 4140, AISI 4340 or similar steel |
| Mounting Thread | M10x1 or 3/8-24 UNF (optional) |
| Environmental Protection | IP65 or better |
| Compliance | CE, ATEX (on some variants) |
| Weight | 0.22 kg |
Applications
The Epro PR6423/011-010+CON021 sensor assembly is widely adopted in industrial sectors where real-time condition monitoring and predictive maintenance are crucial. Specific applications include:
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Turbomachinery Monitoring: Steam and gas turbines for vibration and shaft displacement detection.
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Compressor Health Monitoring: Detects rotor shaft misalignment and imbalance.
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Pump Systems: Used for monitoring axial and radial shaft movements.
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Gearbox Monitoring: Provides early warnings of bearing degradation.
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Motor Condition Monitoring: Ensures alignment and bearing integrity.
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OEM Machinery Integration: Incorporated into critical rotating equipment by manufacturers.
Product Advantages
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High Precision and Stability: Offers excellent linearity and repeatability for accurate monitoring.
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Non-Contact Measurement: Minimizes wear and tear, ensuring long sensor lifespan.
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Wide Temperature Resistance: Capable of operating in high-temperature environments.
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EMI Shielded Design: High resistance to electromagnetic interference for accurate signal transmission.
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Robust Construction: Withstands high vibration and contamination conditions.
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Modular Configuration: Flexible combinations of probe, extension cable, and CON021 for diverse applications.
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Maintenance-Free Operation: Long-term use with minimal maintenance requirements.
Frequently Asked Questions (FAQ)
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What is the measuring principle of the PR6423/011-010 sensor?
It operates on the eddy current principle to detect the displacement of a conductive surface without contact. -
Is this sensor suitable for high-temperature applications?
Yes, the probe can withstand up to +180°C, and the CON021 can operate up to +130°C. -
Can the cable length be customized?
Yes, standard lengths are available (e.g., 5m, 10m), but custom lengths can be ordered on request. -
What is the standard sensitivity of this model?
It typically has a sensitivity of 7.87 mV/μm. -
Is this sensor compatible with Bently Nevada systems?
While it operates on similar principles, direct compatibility depends on system integration—adapters may be needed. -
What materials can be measured with this sensor?
It is optimized for ferromagnetic conductive materials, such as AISI 4140 or 4340 steels. -
Does the sensor require calibration?
Factory calibration is provided. In-field calibration is generally unnecessary unless specified by system requirements. -
What is the IP rating of the sensor?
It is IP65 rated, offering protection against dust and water ingress. -
Can this sensor be used for both axial and radial vibration measurements?
Yes, it can be mounted to detect displacement in both directions based on installation. -
Does the product come with certifications?
Yes, it conforms to CE standards and optionally ATEX certifications for hazardous areas.
Related Models from the Same Series (Epro PR6423)
| Model Number | Description | Probe Diameter | Cable Length | Application Type |
|---|---|---|---|---|
| PR6423/000-031 | Standard eddy current probe | 8 mm | 3 m | General purpose machinery |
| PR6423/002-030 | High-temp probe with CON021 | 5 mm | 3 m | Turbines and compressors |
| PR6423/003-010 | Extended linear range probe | 8 mm | 10 m | Precision machinery monitoring |
| PR6423/004-010 | Low-noise eddy current probe | 8 mm | 10 m | Low signal environments |
| PR6423/005-010+CON021 | Probe with ATEX certification | 8 mm | 10 m | Explosive zone machinery |
| PR6423/012-100 | Short-body probe for limited space | 8 mm | 1 m | Compact installation |
Popular Models from the Same Brand (Epro / Emerson)
| Model Number | Description | Product Type | Compatibility |
|---|---|---|---|
| MMS3120/022-100 | Monitoring module for vibration and speed | Vibration Monitoring System | PR6423, PR6424 compatible |
| MMS6110 | Compact rack-based condition monitoring unit | Machinery Monitoring System | Epro sensor compatible |
| PR6424/010-140 | High-temperature eddy current probe | 5 mm Probe | Turbomachinery |
| CON041 | Advanced converter for eddy current probes | Signal Converter Module | PR6423, PR6424 |
| PR9268/203-000 | Velocity sensor for vibration measurement | Seismic Sensor | Industrial motors, pumps |
| TQ403 | Keyphasor module for speed signal detection | Phase Reference Module | With PR6423 & MMS systems |
