Product Introduction
The Epro PR9350/02 is a rugged, industrial-grade inductive sensor developed for non-contact measurement of metallic targets, primarily used in rotating machinery monitoring systems. As part of Epro’s broader vibration and displacement sensing portfolio, the PR9350/02 is tailored for detecting the presence or position of machine shafts or rotating components, often used in combination with signal conditioners or protection systems like the MMS6000 or MMS3120 series.
This model is known for its robust mechanical construction, high reliability in electromagnetically noisy environments, and excellent repeatability. Its design is particularly well-suited for applications in power generation, petrochemical processing, and heavy machinery, where long-term stability and immunity to harsh conditions are essential.
Technical Specifications
| Parameter | Specification |
|---|---|
| Model Number | PR9350/02 |
| Sensor Type | Inductive proximity sensor |
| Sensing Principle | Eddy current-based inductive detection |
| Sensing Range | 2 mm (typical) |
| Target Material | Ferrous (steel, iron) |
| Output Signal | Analog voltage |
| Output Type | Current or voltage (via connected CON series) |
| Operating Voltage | Supplied via conditioner (e.g., CON021) |
| Linearity | ≤ 1% of full scale |
| Temperature Range | -35°C to +120°C |
| Housing Material | Stainless Steel |
| Protection Rating | IP65 |
| Vibration Resistance | 20 g (10–2000 Hz) |
| Shock Resistance | 100 g / 11 ms |
| Electrical Connection | Integrated cable or MIL connector (customizable) |
| Cable Length | Standard 5 m (customizable) |
| Mounting Thread | M10 x 1 mm |
| Dimensions | 127 x 27.25 x 27.25 mm |
| Weight | 0.255 kg |
Applications
The PR9350/02 inductive sensor is utilized across multiple critical machine monitoring applications:
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Turbomachinery: Shaft speed and keyphasor reference detection for turbines and compressors.
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Rotating Equipment: Detection of shaft presence or rotational position for motors, pumps, and fans.
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Balance of Plant Equipment: Machine indexing or phase reference in auxiliary systems.
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Condition Monitoring Systems: Works in tandem with Epro proximity probes and vibration sensors for a complete machine protection solution.
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Industrial Automation: Metal part detection or proximity sensing in manufacturing lines or robotic systems.
Advantages
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Non-Contact Measurement: Eliminates wear and maintenance due to mechanical contact.
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High Environmental Resistance: Durable stainless-steel housing and high IP rating for use in demanding environments.
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Reliable Performance: Designed for high repeatability and stability over extended periods.
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Flexible Integration: Works with CON011, CON021, and other compatible Epro conditioning units.
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Wide Operating Range: Withstands significant shock and vibration during machine operation.
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Compact Design: Slim body allows integration in confined machine compartments.
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OEM Proven: Field-tested across thousands of installations in process and power industries.
Frequently Asked Questions (FAQ)
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Q: What is the typical sensing distance of the PR9350/02?
A: The typical sensing range is 2 mm for ferrous materials. -
Q: Is this sensor compatible with CON021?
A: Yes, it is fully compatible with CON021 and other Epro CON series modules. -
Q: Can it detect non-metallic targets?
A: No, it is designed to detect metallic (especially ferromagnetic) targets only. -
Q: What is the output signal format?
A: The sensor provides analog output via a signal conditioner (current or voltage). -
Q: Can this sensor be used for speed measurement?
A: Yes, it is often used for speed detection and keyphasor signal generation in rotating machines. -
Q: Is it safe to use in high-temperature environments?
A: The PR9350/02 is rated up to +120°C. For higher temperature ranges, consult Epro’s extended range models. -
Q: How is the sensor mounted?
A: It uses an M10 x 1 thread for direct screwing into machine housings or brackets. -
Q: Does it need calibration?
A: Factory calibrated, but system-level calibration is recommended during commissioning. -
Q: What is the sensor’s response time?
A: It responds in microsecond ranges, suitable for high-speed rotational detection. -
Q: Can I use this sensor in outdoor environments?
A: Yes, with proper enclosure or sealing, it is suitable for outdoor use due to its IP65 rating.
Related Models from the Same or Similar Series
| Model Number | Description | Sensing Range | Mounting Type | Output Interface |
|---|---|---|---|---|
| PR9350/01 | Short-body inductive sensor | 1 mm | M10 | Via CON021/011 |
| PR9350/03 | Extended range sensor | 4 mm | M12 | Analog (with converter) |
| PR9350/04 | Flat-body version for tight space use | 1.5 mm | Custom bracket | Current loop |
| PR9350/10 | Speed detection inductive sensor | 2 mm | M10 | TTL pulse via interface |
| PR9350/20 | Heavy-duty version for harsh conditions | 2 mm | M10 | Rugged connector version |
| PR9350/02-EX | ATEX-certified variant for hazardous zones | 2 mm | M10 | With EX-rated interface |
Popular Models from the Same Brand – Epro / Emerson
| Model Number | Description | Sensor Type | Primary Use | Interface |
|---|---|---|---|---|
| PR6423/002-030 | Eddy current probe | Displacement Sensor | Shaft vibration monitoring | CON021 |
| PR6424/014-040 | High-temp eddy current probe | Displacement Sensor | Turbine monitoring | CON041 |
| PR9268/617-100N | Electrodynamic velocity sensor | Vibration Velocity Sensor | Horizontal casing vibration | Passive analog |
| MMS3120/022-100 | Monitoring module | System Module | Machine protection systems | Rack-mount |
| PR6423/005-010 | Probe for thrust/axial movement | Displacement Sensor | Axial position monitoring | CON021 |
| CON021 | Signal conditioner | Interface Module | For PR6423, PR9350 series | Terminal/connector |
Company Information
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Add: Alishan Building, 2 Lvling Rd, Siming District, Xiamen, Fujian, China, 361006
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