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Product Introduction
The Epro PR9268/601-000 is a robust electrodynamic velocity sensor designed for precision vibration measurement in industrial rotating machinery. Manufactured by EPRO, a respected name in machinery condition monitoring and diagnostics, the PR9268 series is widely used in heavy-duty environments such as power plants, petrochemical refineries, steel manufacturing, and paper processing.
This model operates on the principle of electrodynamic velocity sensing, which provides highly reliable readings of machine vibration in mm/s. With a rugged stainless steel construction and a wide operating temperature range, the PR9268/601-000 is designed to endure harsh environments while delivering accurate, consistent data for predictive maintenance systems.
Its high sensitivity, wide frequency range, and compatibility with standard monitoring systems like CON0xx modules make it a popular choice among reliability engineers and maintenance professionals.
Technical Specifications
| Parameter | Value |
|---|---|
| Sensor Type | Electrodynamic Velocity Sensor |
| Part Number | PR9268/601-000 |
| Measurement Range | ±50 mm/s |
| Sensitivity | 28.5 mV/mm/s ±5% |
| Frequency Range | 10 to 1000 Hz (±3 dB) |
| Operating Temperature Range | -30°C to +90°C |
| Output Signal | Analog Velocity (mV/mm/s) |
| Mounting Type | Stud mounting (M8 thread) |
| Electrical Connector | MIL-C-5015, 2-pin connector |
| Case Material | Stainless Steel |
| Protection Class | IP65 |
| Shock Resistance | Up to 1000 g |
| Vibration Limit | 500 g peak |
| Dimensions (L x Ø) | 78 × 58 mm |
| Weight | 1.05 kg |
| Compatible Monitoring Units | CON011, CON021, MMS3120, MMS6110 |
| Cable Requirement | Shielded 2-wire, low-noise cable |
Applications
The Epro PR9268/601-000 sensor is engineered for industrial environments requiring continuous monitoring of mechanical vibrations. Typical applications include:
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Gas and Steam Turbines: For real-time vibration feedback to prevent failures.
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Pumps and Compressors: To detect imbalance, misalignment, or bearing issues.
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Industrial Fans and Motors: Monitoring excessive vibration for predictive maintenance.
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Paper Machines and Rolling Mills: Tracking mechanical performance under high stress.
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Gearboxes: Observing changes in vibration that signal gear wear or tooth defects.
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Wind Turbines: Ideal for turbine shaft and nacelle monitoring in harsh conditions.
Key Advantages
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Durability in Harsh Conditions: Constructed with stainless steel housing and IP65 protection, ensuring stable operation in dusty, humid, or oily environments.
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High Sensitivity: Provides highly accurate vibration velocity readings critical for early fault detection.
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Wide Frequency Range: Capable of detecting a broad range of mechanical faults.
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Compatibility: Seamlessly integrates with EPRO’s CON and MMS series monitoring systems.
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Low Maintenance: Electrodynamic design reduces calibration needs and long-term drift.
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Field-Proven Reliability: Used globally in critical industries with decades of operational success.
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Simple Installation: Stud-mount design ensures quick and secure sensor placement.
Frequently Asked Questions (FAQ)
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What type of signal does the PR9268/601-000 output?
It provides an analog velocity output in mV/mm/s. -
Can this sensor be used in explosive environments?
No, the PR9268/601-000 is not certified for intrinsically safe or hazardous areas. -
What cable should I use with the PR9268/601-000?
A shielded 2-wire, low-noise cable is recommended for optimal signal quality. -
Is this sensor suitable for low-speed machines?
It’s optimized for frequencies above 10 Hz, so it may not be ideal for extremely low-speed equipment. -
How should I mount the sensor?
Using the M8 stud-mount base on a clean, flat surface ensures the best performance. -
Does it require external power?
No, as an electrodynamic sensor, it generates its own signal and does not require excitation power. -
How often should this sensor be calibrated?
Generally, it requires calibration every 2–3 years depending on the application. -
Can I use this sensor outdoors?
Yes, with IP65 protection, it is suitable for outdoor and industrial applications. -
What’s the maximum cable length allowed?
Up to 300 meters with low-noise cable, though signal degradation should be considered. -
What monitoring systems is it compatible with?
Compatible with EPRO CON011, CON021, MMS3120, MMS6110, and many other vibration monitoring systems.
Related Models from the Same Series or Category
| Model Number | Description | Frequency Range | Sensitivity | Mount Type |
|---|---|---|---|---|
| PR9268/601-100 | Velocity sensor with side connector | 10–1000 Hz | 28.5 mV/mm/s | Side Mount |
| PR9268/601-200 | High temp version | 10–1000 Hz | 28.5 mV/mm/s | Stud Mount |
| PR9268/500-000 | Compact variant | 10–1000 Hz | 25 mV/mm/s | Top Mount |
| PR9268/200-000 | For low-frequency monitoring | 5–500 Hz | 50 mV/mm/s | Stud Mount |
| PR9268/300-000 | Dual output (velocity + temperature) | 10–1000 Hz | 28.5 mV/mm/s | Stud Mount |
| PR9268/601-010 | With MIL connector and EMI shield | 10–1000 Hz | 28.5 mV/mm/s | Stud Mount |
Popular Models from the Same Brand (EPRO)
| Model Number | Product Type | Application | Key Feature |
|---|---|---|---|
| PR6423/002-030 | Eddy Current Sensor | Shaft vibration monitoring | For CON021, axial measurement |
| CON011 | Signal Conditioning Module | Transducer interface | DIN rail mount, PR6423 compatible |
| MMS3120/022-100 | Monitoring Module | Machinery protection | 2-channel, 4–20 mA output |
| PR6424/01CS | Eddy Current Probe | Axial position monitoring | High temperature version |
| MMS6110/022-000 | Compact Monitor Module | Velocity/position monitoring | Field-configurable alarms |
| PR6423/005-010+CON021 | Complete Vibration Monitoring Set | General rotating equipment | Pre-assembled and tuned system |
