Products Description
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| Add | Room 1004, No. 62 Xiangxiu Li, Siming District, Xiamen City, Fujian Province, China |
Product Overview: EPRO PR6423/10R-131 Eddy Current Sensor (8mm)
The EPRO PR6423/10R-131 is a non-contact Eddy Current Sensor engineered for continuous monitoring of radial and axial shaft displacement in rotating machinery. This sensor is tailored for use in steam turbines, gas turbines, hydro turbines, compressors, gearboxes, pumps, and industrial fans, ensuring precision measurement of shaft position, vibration (dynamic displacement), eccentricity, and rotational speed. The PR6423/10R-131 belongs to EPRO’s PR6423 series and features an 8 mm tip diameter with a reverse mount configuration, brass/nickel-plated connectors, and compatibility with Emerson’s MMS3000 system.
Product Specifications
| Parameter | Value |
|---|---|
| Model Number | PR6423/10R-131 |
| Sensor Type | Eddy Current (Non-contact displacement sensor) |
| Tip Diameter | 8 mm |
| Mounting Type | Reverse mount (10R variant) |
| Thread Type | 3/8”-24 UNF |
| Linear Measurement Range | 2 mm (80 mils) |
| Initial Air Gap | 0.5 mm (20 mils) |
| Incremental Scale Factor | 8 V/mm (203.2 mV/mil) ± 5% (0–45°C) |
| Deviation from Best Fit Straight Line | ±0.025 mm (±1 mil) (0–45°C) |
| Minimum Shaft Diameter | 25 mm (0.98 in) |
| Target Material | 42CrMo4 (AISI/SAE 4140) Standard |
| Sensor Tip Material | PEEK (Polyether Ether Ketone) |
| Case Material | Stainless Steel |
| Cable Material | PTFE (Polytetrafluoroethylene) |
| Connector Material | Brass, nickel-plated |
| Cable Diameter | 2.8 mm (Standard), 6 mm (Armored) |
| Min. Bending Radius (Standard Cable) | 25 mm (0.984 in) |
| Min. Bending Radius (Armored Cable) | 35 mm (1.378 in) |
| Operating Temperature (Sensor + Cable) | -35°C to +180°C (-31°F to 356°F) |
| Operating Temperature (Connector) | -35°C to +150°C (-31°F to 302°F) |
| Protection Rating | IP66 |
| Compliance | CE, ATEX, IEC-Ex, CSA, UL |
| Intrinsic Safety Classification | ATEX / IECEx / CSA: T6, T4, T3 (depending on ambient temp) |
| Dimensions | Case thread: M10x1 or 3/8”-24 UNF, SW: 11 mm / 7/16 in |
| Weight | Approx. 0.1 kg (100 g) |
Key Features
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Non-contact eddy current sensing principle ensuring minimal mechanical wear.
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Wide temperature range operation suitable for harsh industrial environments.
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Reverse mount capability for flexible installation.
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Rugged stainless steel housing with PEEK tip and PTFE cable for maximum durability.
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Precision performance with high linearity and low deviation.
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Compatibility with various target materials, particularly ferromagnetic steels.
Advantages
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High Measurement Accuracy: Ideal for high-precision displacement and vibration monitoring.
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Rugged Construction: Designed to endure severe industrial conditions such as extreme temperatures and mechanical stress.
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Wide Compliance: Certified for use in hazardous areas across global markets (ATEX, IECEx, CSA, UL).
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Flexible Installation Options: Available in multiple mounting and thread configurations.
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Low Maintenance: Non-contact operation reduces physical wear and tear, ensuring long service life.
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Reverse Mount Design: Facilitates installation in space-constrained or specialized configurations.
Applications
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Turbomachinery (steam/gas turbines)
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Compressors (axial and centrifugal)
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Industrial fans
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Gearboxes and bearings
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Pumps (centrifugal, screw, or reciprocating)
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Condition monitoring systems
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Rotational speed and eccentricity analysis
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Machinery protection systems
Latest Industry Report Headlines
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“Emerson Expands EPRO PR6423 Series for Extreme Vibration Monitoring in Hazardous Areas – December 2024”
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“Enhanced Radiation-Resistant PR6423 Variants Now Available for Nuclear and Defense Applications – Q4 2024”
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“Global Market Sees Surge in PR6423 Deployments in Hydrocarbon Sector for Predictive Maintenance”
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“EPRO Sensors Lead Condition Monitoring in Next-Gen Digital Twin Turbomachinery Platforms”
Related Models in the Same Series or Category
| Model | Mount Type | Thread | Armor Cable | Cable Length Options | Weight | Tip Diameter |
|---|---|---|---|---|---|---|
| PR6423/00 | Standard Mount | M10x1 | No | 4m, 5m, 8m, 10m | 0.1 kg | 8 mm |
| PR6423/01 | Standard Mount | M10x1 | Yes | 4m, 5m, 8m, 10m | 0.1 kg | 8 mm |
| PR6423/03 | Reverse Mount | M10x1 | Yes | 4m, 5m, 8m, 10m | 0.1 kg | 8 mm |
| PR6423/11 | Reverse Mount | 3/8”-24 UNF | Yes | 4m, 5m, 8m, 10m | 0.1 kg | 8 mm |
| PR6423/13 | Reverse Mount | 3/8”-24 UNF | Yes | 4m, 5m, 8m, 10m | 0.1 kg | 8 mm |
| PR6423-RAD | Radiation-Proof | M10x1 or 3/8” UNF | No | 1m | 0.1 kg | 8 mm |
Popular EPRO Models
| Model | Description | Application | Tip Diameter | Weight | Mount Type |
|---|---|---|---|---|---|
| PR6423/00 | 8 mm ECS Sensor, M10x1, Std. Mount, no armor | General turbine monitoring | 8 mm | 0.1 kg | Standard |
| PR6423/11 | 8 mm ECS Sensor, 3/8”-24 UNF, Reverse Mount, armor | Hazardous area gearboxes | 8 mm | 0.1 kg | Reverse |
| PR6424/01 | 5 mm ECS Sensor, M8x1, Armored | Small shaft applications | 5 mm | 0.08 kg | Standard |
| PR6424/11 | 5 mm ECS Sensor, Reverse Mount, armored | High-precision small motors | 5 mm | 0.08 kg | Reverse |
| PR6425/00 | 11 mm ECS Sensor, M14x1.5, Std. Mount | Large turbines and compressors | 11 mm | 0.12 kg | Standard |
| PR6426/10 | 25 mm ECS Sensor, 1/2”-20 UNF, Reverse Mount | Large axial shaft measurement | 25 mm | 0.25 kg | Reverse |
FAQ
Frequently Asked Questions (FAQ)
Q1: What is the sensing range of the PR6423/10R-131 sensor?
A1: The linear measurement range is 2 mm (80 mils), optimized for radial and axial shaft displacement monitoring.
Q2: Is the PR6423/10R-131 suitable for hazardous environments?
A2: Yes, it complies with ATEX, IECEx, CSA, and UL for intrinsic safety and non-sparking applications.
Q3: What is the recommended minimum shaft diameter for proper operation?
A3: The sensor is designed for shafts with a minimum diameter of 25 mm.
Q4: Can the sensor be used in high-temperature environments?
A4: Yes, it supports operation up to +180°C for the sensor and cable, and +150°C for the connector.
Q5: What type of cable is used in this sensor?
A5: The standard cable is PTFE insulated, with an option for an armored version for mechanical protection.
Q6: Is reverse mounting supported on this model?
A6: Yes, the “10R” in the model indicates reverse mount capability with 3/8”-24 UNF threading.
Q7: Can I use this sensor for speed measurement?
A7: Yes, it can be used in conjunction with a converter to measure rotational speed based on displacement signals.
Q8: What materials are used for the sensor housing and tip?
A8: The sensor tip is made from PEEK, and the housing is stainless steel for corrosion resistance and durability.
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.
