Products Description
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Product Description
The Epro PR6424/010-100 is a non-contact eddy current sensor designed to monitor radial and axial shaft displacement in critical rotating machinery. With a sensor head diameter of 16mm, it is part of Emerson’s renowned PR6424 series used extensively across the turbomachinery sector. Its robust stainless steel construction and high-temperature tolerance make it particularly suitable for harsh industrial environments such as steam, gas, and hydro turbines, compressors, and large-scale pumps.
This sensor provides highly accurate measurements of shaft position, vibration (dynamic displacement), eccentricity, and rotational speed when used with a suitable signal converter (e.g., CON011). The PR6424/010-100 variant offers armored cable protection and is commonly deployed in hazardous and high-vibration zones due to its ATEX, IECEx, and CSA compliance.
Technical Specifications
| Parameter | Value |
|---|---|
| Sensor Type | Eddy Current (Non-contact) |
| Model Number | PR6424/010-100 |
| Sensitivity | 4 V/mm (101.6 mV/mil) |
| Linearity Error | ≤ ±1.5% |
| Air Gap (Nominal) | Approx. 2.7 mm (0.11 in) |
| Static Measurement Range | ±2.0 mm (0.079 in) |
| Dynamic Measurement Range | 0 to 1,000 µm (0 to 0.039 in) |
| Long-Term Drift | < 0.3% |
| Target Material | Ferromagnetic Steel (e.g., 42 Cr Mo4) |
| Minimum Shaft Diameter | ≥ 80 mm |
| Maximum Surface Speed | 2,500 m/s (98,425 ips) |
| Operating Temperature | -35°C to +150°C (-31°F to +302°F) |
| Temperature Drift | <4%/100°K |
| Pressure Resistance (Sensor Head) | 10,000 hPa (145 psi) |
| Shock and Vibration | 5g @ 60Hz @ 25°C (77°F) |
| Sensor Head Diameter | 16 mm |
| Construction Materials | Sleeve – Stainless Steel, Cable – PTFE |
| Weight | Approx. 0.2 kg (with 1m cable, no armor) |
| Cable Option | Armored (PR6424/010), Unarmored (PR6424/000) |
| Thread Options | M18x1.5 or 3/4″-16 UNF |
| Certification Standards | CE, ATEX, IEC-Ex, CSA, UL |
| Hazardous Area Approval Temp Ranges | T6: ≤ 84°C, T4: ≤ 114°C, T3: ≤ 160°C (Converter dependent) |
Product Features
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Non-contact technology eliminates mechanical wear and ensures longevity.
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High sensitivity and accuracy for precise shaft displacement monitoring.
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Wide operational temperature range supports deployment in extreme environments.
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Robust build with stainless steel sleeve and armored cable options for enhanced durability.
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Multiple thread, cable length, and connector options for flexible installation.
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Certified for hazardous areas with ATEX, IEC-Ex, and CSA compliance.
Product Advantages
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Enhances reliability in critical turbomachinery monitoring by detecting shaft vibration and misalignment early.
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Reduces unplanned downtime and maintenance costs through predictive condition monitoring.
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Excellent performance in harsh conditions such as high pressure, temperature, and vibration.
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Backed by Emerson’s global support infrastructure and proven industrial deployment history.
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Plug-and-play compatibility with Epro CON series signal converters and DeltaV systems.
Typical Applications
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Steam turbines – for radial/axial shaft displacement monitoring
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Gas turbines – to ensure alignment and early detection of wear or eccentricity
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Hydroelectric turbines – for shaft vibration analysis
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Compressors and pumps – to monitor critical rotating elements
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Industrial fans and blowers – for performance and maintenance diagnostics
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Machinery requiring API 670 compliance – for condition-based monitoring
Latest Report Headlines
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“Emerson Expands Epro PR6424 Series for Hazardous Zone Monitoring”
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“Enhanced Eddy Current Technology Boosts Rotating Equipment Reliability in 2024”
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“Epro PR6424 Series Recognized for Excellence in Predictive Maintenance at Global Expo”
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“New Thermal Tolerances in PR6424/010 Sensors Offer Greater Deployment Flexibility”
Related Models in the PR6424 Series
| Model | Description | Sensor Length | Cable Type | Armor | Thread |
|---|---|---|---|---|---|
| PR6424/000-010 | Unarmored, 16mm Sensor | 40 mm | PTFE | No | M18x1.5 |
| PR6424/010-040 | Armored version, standard configuration | 60 mm | Armored PTFE | Yes | 3/4”-16 UNF |
| PR6424/000-131 | Unarmored, 16mm sensor with CON031 compatibility | 90 mm | PTFE | No | M18x1.5 |
| PR6424/002-030 | Armored, short sensor with signal converter | 50 mm | Armored PTFE | Yes | M18x1.5 |
| PR6424/010-040+CON011 | Sensor with signal converter (for full kit use) | 60 mm | Armored PTFE | Yes | 3/4”-16 UNF |
| PR6424/010-131 | Extended range sensor, armored, with adapter | 90 mm | Armored PTFE | Yes | M18x1.5 |
Popular Epro Models
| Model | Description | Application | Sensor Type | Dimensions | Weight |
|---|---|---|---|---|---|
| PR6423/000-030 | 5mm Eddy Current Sensor | Narrow clearance shafts | Eddy Current | 5mm diameter | 0.12 kg |
| PR6424/002-030 | 16mm Eddy Sensor with short shaft monitoring | High-vibration machinery | Eddy Current | 16mm diameter | 0.2 kg |
| PR6424/010-040+CON011 | Integrated sensor/converter combo | Full monitoring systems | Eddy Current + Converter | 16mm diameter | 0.2 kg |
| PR6425/000-000 | High-temp 25mm Eddy Current Sensor | Large shafts, high-temp | Eddy Current | 25mm diameter | 0.45 kg |
| PR9268/201-100 | Velocity Transducer | General vibration sensing | Piezoelectric Velocity | 60×30 mm | 0.18 kg |
| PR9376/010-000 | Speed Sensor |
FAQ
Frequently Asked Questions (FAQ)
Q1: What is the primary function of the PR6424/010-100 sensor?
A1: It is used to measure radial and axial shaft dynamic displacement, position, eccentricity, and rotational speed in rotating equipment.
Q2: What makes the PR6424/010-100 suitable for harsh industrial environments?
A2: It features a stainless steel sleeve, armored PTFE cable, and supports operations in extreme temperatures and pressures with certifications for hazardous areas.
Q3: Can this sensor be used in explosive zones?
A3: Yes, it is certified under ATEX, IEC-Ex, and CSA standards for use in hazardous locations with specific temperature classifications.
Q4: Is the PR6424/010-100 compatible with CON011 or other Epro converters?
A4: Yes, it is fully compatible with CON011 and other Epro signal converters for dynamic signal processing.
Q5: What are the dimensions and weight of the sensor?
A5: The sensor head is 16mm in diameter, and its approximate weight is 0.2 kg including a 1-meter unarmored cable.
Q6: What type of targets can this sensor measure?
A6: It is designed to detect displacement against ferromagnetic steel targets, such as those made from 42CrMo4.
Q7: Can the sensor operate under high vibration?
A7: Yes, it is designed to withstand 5g vibration at 60Hz, making it ideal for high-vibration industrial environments.
Q8: How does the sensor maintain measurement accuracy over time?
A8: It has a long-term drift of less than 0.3%, ensuring consistent performance over extended operation periods.
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Packing & Delivery
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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.
