Excellent PLC
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Product Introduction
The Epro PR9376/010-011 is a high-reliability, non-contact eddy current proximity sensor and speed detector designed primarily for industrial rotating machinery monitoring. Developed by EPRO (a brand within Emerson), this sensor is widely recognized for its precision and durability under extreme conditions. It is typically used in combination with compatible Epro signal converters (such as CON0xx series) for accurate vibration, displacement, and rotational speed measurements.
The PR9376 series is based on eddy current principles, allowing it to detect the presence of metallic targets at varying distances, especially rotating components like gear teeth, shafts, and keyways. With robust stainless-steel construction and EMI-resistant design, it is ideal for long-term deployment in turbines, compressors, pumps, and other critical rotating equipment.
Product Specifications
| Parameter | Details |
|---|---|
| Model Number | PR9376/010-011 |
| Sensing Technology | Eddy Current (Non-contact) |
| Measurement Function | Speed and Proximity |
| Frequency Range | 0 Hz to 20 kHz (Speed sensing) |
| Sensing Range | 0.5 mm to 2.0 mm typical |
| Target Material | Ferromagnetic materials (e.g., steel) |
| Supply Voltage | 24 VDC (typical when used with CON011 or similar modules) |
| Output Signal | Analog voltage or frequency (depends on converter used) |
| Operating Temperature | -35°C to +120°C |
| Storage Temperature | -40°C to +130°C |
| Shock Resistance | Up to 100 g |
| Vibration Resistance | 20 g peak, 10–2000 Hz |
| Sensor Material | Stainless Steel housing |
| Thread Size | M14 x 1.5 |
| Cable Type | Fixed cable, shielded, PTFE insulation |
| Cable Length | 5 m or 10 m standard (custom lengths available) |
| Environmental Protection | IP67 (dust-tight, water-resistant) |
| Diameter | 14 mm |
| Weight | 0.21 kg |
| Compliance | CE, RoHS |
Product Applications
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Rotating Machinery Monitoring: Detects shaft rotational speed and proximity in turbines, pumps, compressors, and gearboxes.
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Overspeed Protection: Integrated with monitoring systems to trigger alarms or shutdowns in case of overspeed.
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Condition Monitoring Systems: Feeds data to vibration and displacement monitoring setups for predictive maintenance.
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Turbomachinery Protection: Commonly used in gas and steam turbine protection systems.
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Gear Tooth Detection: Identifies movement of gear teeth to infer rotational direction and velocity.
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Industrial Automation: Utilized in assembly lines or rotating mechanisms for motion detection.
Product Advantages
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Non-contact Measurement: Eliminates wear and tear associated with contact-based sensors.
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Rugged Construction: Stainless-steel housing ensures durability in harsh industrial environments.
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High Accuracy: Excellent linearity and repeatability for both speed and proximity measurements.
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Versatile Integration: Compatible with Epro CON0xx signal converters for seamless data integration.
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Wide Temperature Range: Suitable for use in both high- and low-temperature settings.
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Stable Output: Designed to withstand electromagnetic interference and mechanical vibrations.
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Customizable Cable Lengths: Facilitates flexible installation across different setups.
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Minimal Maintenance: Long operational life with no moving parts or periodic recalibration required.
Frequently Asked Questions (FAQ)
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What does the PR9376/010-011 sensor measure?
It measures both rotational speed and proximity of metallic targets, typically on rotating machinery. -
Is the PR9376 sensor suitable for high-temperature applications?
Yes, it operates reliably up to +120°C and can be stored up to +130°C. -
Does this sensor work with non-metallic targets?
No, it is optimized for ferromagnetic materials such as steel. -
What is the typical sensing distance?
It ranges from 0.5 mm to 2.0 mm depending on target material and setup. -
Can I use this sensor directly with a PLC?
Not directly. It typically requires an intermediary converter like the CON011 or CON021 to process the signal. -
Is the sensor resistant to harsh environmental conditions?
Yes, with IP67 protection, it is resistant to dust and water ingress. -
What kind of output does this sensor provide?
The raw sensor typically works with converters that output analog or frequency signals. -
What is the cable length available?
Standard options include 5 meters and 10 meters; custom lengths are also available. -
How is the sensor mounted?
The sensor has an M14 x 1.5 thread for easy mounting on machinery or brackets. -
Is this sensor certified for industrial use?
Yes, it complies with CE and RoHS standards for industrial-grade components.
Related Models from the Same Series
| Model | Description | Measurement | Thread Size | Cable Length |
|---|---|---|---|---|
| PR9376/010-010 | Standard proximity/speed sensor | Speed & Proximity | M14 x 1.5 | 5 m |
| PR9376/010-012 | High-temp variant of PR9376/010-011 | Speed & Proximity | M14 x 1.5 | 10 m |
| PR9376/010-013 | Extended sensing range version | Speed & Proximity | M18 x 1.5 | 10 m |
| PR9376/010-020 | Compact form factor version | Speed only | M10 x 1 | 5 m |
| PR9376/010-030 | Shielded version for high EMI environments | Speed & Proximity | M14 x 1.5 | 5 m |
| PR9376/010-031 | Wide-gap sensor for large shaft monitoring | Proximity | M18 x 1.5 | 10 m |
Popular Epro Models (Same Brand)
| Model | Description | Function | Sensor Type | Application |
|---|---|---|---|---|
| PR6423/002-030 | Eddy current sensor with CON021 converter | Vibration/Displacement | Proximity Sensor | Turbomachinery monitoring |
| PR6424/010-010 | Proximity sensor for radial vibration | Vibration | Eddy Current | Bearing and shaft monitoring |
| MMS3120/022-100 | Vibration monitor rack card | Signal Processing | Monitoring System | Machinery protection systems |
| MMS6110 | Overspeed protection module | Speed Monitoring | Module | Rotating machinery protection |
| CON011 | Signal converter for PR9376/PR6423 series | Signal Conversion | Converter | Used with proximity probes |
| CON021 | Advanced signal conditioner for PR6423 series | Signal Conversion | Converter | High-precision applications |
