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Product Introduction
The Emerson EPRO PR6423/10R-040-CN is a high-precision, non-contact eddy current sensor designed for critical turbomachinery applications. It accurately measures radial and axial shaft displacement, position, eccentricity, and speed without physical contact, ensuring minimal wear and high reliability. This sensor is particularly suitable for challenging environments where direct contact is impractical or where the target material is delicate.
Its robust construction and compatibility with EPRO’s CON021 converter make it an ideal choice for monitoring and protecting rotating equipment such as turbines, compressors, gearboxes, pumps, and fans.
Technical Specifications
| Parameter | Specification |
| Model Number | PR6423/10R-040-CN |
| Sensor Type | Non-contact Eddy Current Displacement Sensor |
| Sensor Head Diameter | 8 mm |
| Measurement Range | Up to 30 mm (1.18 in) |
| Accuracy | ±0.1 mm (0.004 in) |
| Linearity | ±0.5% |
| Operating Temperature | -40°C to +70°C (-40°F to +158°F) |
| Pressure Resistance | 10,000 hPa (14.5 psi) |
| Electrical Connection | M12 connector |
| Protection Class | IP65 |
| Cable Diameter | 2.8 mm (standard), 6 mm (armored) |
| Minimum Bending Radius | 25 mm (standard cable), 35 mm (armored cable) |
| Weight | 0.1 kg |
| Certifications | CE, ATEX, IECEx, CSA (area classification depends on converter used) |
| Compatible Converters | CON021, CON041 |
Applications
The PR6423/10R-040-CN sensor is widely used in various industrial applications, including:
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Steam, Gas, and Hydro Turbines: Monitoring shaft displacement and vibration to prevent mechanical failures.
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Compressors and Gearboxes: Detecting misalignments and ensuring optimal performance.
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Pumps and Fans: Measuring shaft position and movement for maintenance and safety.
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Rotating Machinery: Providing real-time data for condition monitoring systems.
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Hazardous Environments: Suitable for use in areas requiring ATEX, IECEx, or CSA certifications.
Advantages
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High Precision: Offers accurate measurements with a high degree of linearity.
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Non-Contact Measurement: Eliminates mechanical wear and allows for measurements without physical contact.
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Robust Construction: Designed to withstand harsh industrial environments, including high temperatures and pressures.
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Wide Compatibility: Works seamlessly with EPRO’s CON021 and CON041 converters.
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Flexible Installation: Available with various cable lengths and connector options to suit different applications.
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Certified for Hazardous Areas: Complies with international safety standards for use in explosive atmospheres.
Frequently Asked Questions (FAQ)
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What is the primary function of the PR6423/10R-040-CN sensor?
It measures radial and axial shaft displacement, position, eccentricity, and speed in rotating machinery without physical contact. -
Can this sensor be used in hazardous environments?
Yes, it is certified for use in hazardous areas, with ATEX, IECEx, and CSA approvals, depending on the converter used. -
What is the maximum measurement range of this sensor?
The sensor can measure displacements up to 30 mm (1.18 inches). -
What are the operating temperature limits for this sensor?
It operates effectively within a temperature range of -40°C to +70°C (-40°F to +158°F). -
Is the sensor compatible with other EPRO converters?
Yes, it is compatible with EPRO’s CON021 and CON041 converters. -
What type of connector does the sensor use?
It uses an M12 electrical connector for reliable connections. -
What is the protection class of the sensor?
The sensor has an IP65 protection rating, making it dust-tight and protected against water jets. -
Can the sensor withstand high-pressure environments?
Yes, it is pressure-resistant up to 10,000 hPa (14.5 psi). -
What is the standard cable length provided with the sensor?
The standard cable length is 4.0 meters, with options for different lengths upon request. -
Is the sensor suitable for use in high-vibration environments?
Yes, its robust design ensures reliable performance even in high-vibration conditions.
Related Models (Same Series or Function – Eddy Current Sensors)
| Model Number | Description | Tip Diameter | Cable Length | Application Focus |
|---|---|---|---|---|
| PR6423/10 | 8mm Eddy Current Sensor with 3.0m cable | 8 mm | 3.0 m | Shaft vibration & displacement |
| PR6423/10R- | 8mm Eddy Current Sensor with 2.0m cable | 8 mm | 2.0 m | Radial shaft position monitoring |
| PR6423/002-030 | 5mm Eddy Current Sensor with 3.0m cable | 5 mm | 3.0 m | Compact space measurement |
| PR6423/003-010 | 6mm Eddy Current Sensor with 1.0m cable | 6 mm | 1.0 m | Medium-range shaft displacement |
| PR6423/011-010 | 8mm Eddy Current Sensor with axial mounting | 8 mm | 1.0 m | Axial displacement measurement |
| PR6423/000-031 | 8mm Sensor with straight cable, stainless steel tip | 8 mm | 3.1 m | Harsh industrial environments |
Popular Models from Emerson / EPRO (Same Brand)
| Model Number | Description | Product Type | Key Application |
|---|---|---|---|
| MMS3120/022-100 | Dual-channel vibration monitor | Vibration Monitoring Module | Machinery protection systems |
| CON021 | Converter for PR6423 sensors | Signal Converter | Signal conditioning for sensors |
| PR9268/301-000 | Piezoelectric acceleration sensor | Vibration Sensor | Machine condition monitoring |
| MMS6110 | Single-channel vibration transmitter module | Transmitter Module | Local condition monitoring |
| TQ4421 | Speed measurement module for turbine systems | Speed Monitor Module | Overspeed protection |
| MMS6140 | Four-channel vibration monitoring and alarm module | Vibration Monitor | Turbomachinery fault detection |
