Products Description
| Company Information | |||
| [email protected] | |||
| Mobile | +8613666033393 | ||
| +8613666033393 | |||
| 13666033393 | |||
| Add | Room 1004, No. 62 Xiangxiu Li, Siming District, Xiamen City, Fujian Province, China |
Product Overview
The Epro PR6424/000-100 is a non-contact eddy current displacement sensor designed specifically for industrial-grade condition monitoring of critical rotating equipment. Commonly integrated in turbomachinery systems such as steam turbines, gas turbines, hydro turbines, compressors, pumps, and high-speed fans, the PR6424 ensures reliable and precise measurement of shaft displacement, position, eccentricity, and rotational speed.
This sensor is part of Epro’s advanced PR6424 series and is engineered to comply with API 670 standards. It is optimized for harsh environments and hazardous areas, delivering highly linear and repeatable output for long-term, uninterrupted operation.
Technical Specifications
| Parameter | Specification |
|---|---|
| Sensor Type | Eddy Current Displacement Sensor (Non-contact) |
| Sensitivity / Linearity | 4 V/mm (101.6 mV/mil) ±1.5% |
| Air Gap (Nominal Center) | Approx. 2.7 mm (0.11″) |
| Long-term Drift | < 0.3% |
| Static Measurement Range | ±2.0 mm (0.079″) |
| Dynamic Measurement Range | 0 to 1,000 µm (0 to 0.039″) |
| Shaft Diameter | ≥ 80 mm |
| Target Material | Ferromagnetic steel (e.g., 42CrMo4) |
| Maximum Target Surface Speed | 2,500 m/s (98,425 ips) |
| Operating Temperature Range | -35°C to +150°C (-31°F to +302°F) |
| Temperature Error | <4% per 100 K |
| Pressure Resistance (Sensor Head) | 10,000 hPa (145 psi) |
| Shock and Vibration Resistance | 5g @ 60Hz @ 25°C (77°F) |
| Sensor Material | Stainless Steel (sleeve), PTFE (cable) |
| Weight | Approx. 0.2 kg (200 g / 7.05 oz) |
| Sensor Head Diameter | 16 mm |
| Compliance | CE, ATEX, IECEx, CSA (see detailed list below) |
Compliance and Certifications
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CE: 2014/30/EU (EN 61326-1), 2014/34/EU, 2011/65/EU
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ATEX: EN 60079-0, EN 60079-11
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IEC-Ex: IEC 60079-0, IEC 60079-11, IEC 60079-26
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CSA: CAN/CSA-C22.2 (various standards)
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UL: ANSI/UL 913, UL 1604, UL 60079-15
Hazardous Area Ratings
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T6: Ta ≤ 84°C (ATEX), Ta ≤ 64°C (CSA)
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T4: Ta ≤ 114°C
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T3: Ta ≤ 160°C
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Non-sparking (nA) certification compliant
Product Features
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Non-contact, eddy current sensing for reliable long-term operation
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High sensitivity of 4 V/mm for accurate displacement measurement
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API 670 compliance ensures suitability for critical applications
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Compact and robust stainless-steel construction
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Resistant to high pressure, temperature, and vibration
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Customizable length and cable configuration options
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Fully certified for use in hazardous environments
Product Advantages
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Enhanced Reliability: Operates in extreme industrial conditions without performance degradation
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High Precision: Excellent linearity and sensitivity suitable for critical machinery monitoring
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Safety Certified: Full compliance with global safety standards including ATEX, IECEx, and CSA
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Flexible Configuration: Multiple sensor lengths, cable types, and connectors available
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Low Maintenance: Non-contact design reduces wear and extends service life
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System Compatibility: Seamlessly integrates with Epro signal converters and condition monitoring systems
Applications
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Steam turbines
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Gas turbines
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Hydro turbines
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Industrial compressors
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Process pumps
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Large motors and generators
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High-speed fans
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Bearing vibration and shaft positioning analysis
Latest Product News Headline
“Emerson Enhances Turbomachinery Monitoring with Next-Gen PR6424 Eddy Current Sensors for API 670 Compliance”
— Published December 2024
Recommended Related Models (PR6424 Series and Compatible)
| Model Number | Description | Sensitivity | Cable Type | Application Note |
|---|---|---|---|---|
| PR6424/010-100 | 16 mm, M18 Thread, Armored Cable | 4 V/mm | Armored | For harsh environment installation |
| PR6424/001-010 | 16 mm, 3/4″-16 UNF, Unarmored | 4 V/mm | Non-armored | For controlled environments |
| PR6424/006-000 | 16 mm, Extended Length | 4 V/mm | Custom Length | Extended range shaft vibration monitoring |
| PR6424/000-030 | 16 mm, High-temp application | 4 V/mm | High-temp PTFE | Turbine proximity measurement |
| PR6424/005-000 | 16 mm, Marine-duty | 4 V/mm | Marine cable | Salt and corrosion-resistant version |
| PR6424/004-100 | 16 mm, Open End Cable | 4 V/mm | Open wire | Direct terminal wiring |
Popular Epro Models (Brand-wide Recommendations)
| Model Number | Description | Application | Dimensions | Weight |
|---|---|---|---|---|
| PR9268/301-000 | Vibration Velocity Sensor | Machine health diagnostics | Ø30 mm x 70 mm | ~0.3 kg |
| PR9268/201-000 | Vibration Accelerometer | General-purpose condition mon. | Ø28 mm x 60 mm | ~0.25 kg |
| MMS6110 | Dual-channel Signal Converter | Signal processing for PR6424 | 100 x 120 x 30 mm | ~0.4 kg |
| CON041 | Signal Converter (for proximity probes) | PR6424/PR9268 interface unit | 85 x 85 x 60 mm | ~0.35 kg |
| CON021 | Triple Channel Signal Conditioner | PR6422/PR6423 interface | 105 x 110 x 45 mm | ~0.5 kg |
| TQ402 | Speed Sensor | Rotational speed measurements | Ø18 mm x 60 mm | ~0.2 kg |
FAQ
Frequently Asked Questions (FAQ)
Q1: What is the core function of the Epro PR6424/000-100 sensor?
A1: It measures dynamic and static shaft displacement, eccentricity, and speed in non-contact mode for rotating equipment.
Q2: Is the sensor suitable for high-temperature applications?
A2: Yes, it operates from -35°C up to +150°C and complies with temperature classification T3, T4, and T6 based on area requirements.
Q3: Can this sensor be used in explosive or hazardous areas?
A3: Yes, it is certified for ATEX, IECEx, CSA, and UL standards for hazardous area classifications.
Q4: What is the minimum shaft diameter required for this sensor?
A4: The sensor requires a minimum shaft diameter of 80 mm for optimal performance.
Q5: What is the significance of the 4 V/mm sensitivity rating?
A5: This rating indicates high resolution, making it ideal for precise monitoring of shaft vibration and displacement.
Q6: How is the sensor typically installed?
A6: It is mounted close to the rotating shaft with a precise air gap of approximately 2.7 mm and can be configured with threaded sleeves and armored cables.
Q7: What converters are compatible with the PR6424/000-100 sensor?
A7: The sensor is compatible with Epro CON041 and MMS6110 signal converters.
Q8: What is the weight and size of the sensor head?
A8: The sensor head has a diameter of 16 mm and weighs approximately 0.2 kg including a 1-meter cable.
Tags
Packing & Delivery
We will use wear-resistant cartons to seal the boxes, and take photos for your confirmation before sealing. We will pack the boxes only after confirmation.
For express delivery, we will use DHL, UPS, TNT, FedEx and EMS.
Please rest assured that we have a deep cooperation with express delivery companies and can ensure that your goods are delivered to you in good condition.
