Produkteinführung
The Epro PR9264/000-000 Electrodynamic Velocity Sensor is a precision vibration transducer designed to convert mechanical vibration velocity into a proportional electrical signal. It is specifically engineered for continuous monitoring von machinery vibration in industrial environments such as power plants, refineries, and manufacturing facilities.
Operating on the electrodynamic principle, this sensor features a moving-coil design that generates an output voltage proportional to the vibration velocity von the machine surface to which it is attached. This direct analog response ensures excellent accuracy, long-term stability, and superior signal linearity.
The PR9264/000-000 is part von Epro’s reliable PR9264 series, known for its rugged construction, stable frequency response, and immStücky to electromagnetic interference. Its robust stainless-steel housing and hermetically sealed design make it suitable for harsh environments including areas exposed to oil, dust, and high mechanical stress.
This model is widely used as part von Epro MMS machinery protection systems, providing a dependable source von vibration velocity data for turbine, compressor, and motor monitoring applications.
Technical Specifications
| Parameter | Beschreibung |
|---|---|
| Modell Number | PR9264/000-000 |
| Product Type | Electrodynamic Velocity Sensor |
| Measurement Principle | Moving Coil Electrodynamic Principle |
| Measurement Menge | Vibration Velocity (mm/s or in/s RMS) |
| Frequency Range | 10 Hz – 1,000 Hz (±5%) |
| Sensitivity | 20 mV/mm/s (typical) |
| Measuring Direction | Axial (other orientations available) |
| Output Signal | Voltage, proportional to vibration velocity |
| Internal Resistance | Approx. 350 Ω |
| Resonance Frequency | >10 Hz |
| Operating Temperature Range | -25°C to +100°C |
| Storage Temperature Range | -40°C to +120°C |
| Mounting Type | Stud or magnetic base |
| Housing Material | Stainless Steel |
| Protection Class | IP65 |
| Connector Type | 2-pin MIL-C-5015 or fixed cable (optional) |
| Shock Resistance | 50 g, 6 ms |
| Vibration Limit | 20 g (10–2,000 Hz) |
| Dimensions | 78 × 58 mm |
| Gewicht | 0.93 kg |
| Compliance Standards | ISO 10816, API 670, CE, RoHS |
Product Applications
The PR9264/000-000 Electrodynamic Velocity Sensor is an essential element in vibration monitoring and condition-based maintenance systems. It is designed to measure absolute vibration velocity von machinery surfaces, making it ideal for a wide range von heavy-duty industrial applications.
Typical applications include:
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Steam and Gas Turbines: Monitoring casing vibration and detecting unbalance or misalignment.
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Compressors and Blowers: Continuous measurement von housing vibration to prevent bearing damage and ensure smooth operation.
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Pumps: Detecting cavitation, resonance, and early signs von mechanical wear.
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Motors and Generators: Monitoring bearing housings and stator vibrations for predictive maintenance.
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Gearboxes: Identifying looseness, gear mesh defects, and imbalance.
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Fans and Industrial Machinery: Tracking velocity levels to maintain vibration within safe operational limits.
By providing accurate and reliable velocity measurements, the PR9264/000-000 helps engineers implement predictive maintenance strategies, reducing downtime and extending machine life.
Product Advantages
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High accuracy and linearity: Provides a proportional voltage signal with minimal distortion.
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Rugged and durable construction: Built with stainless steel for long-term reliability in industrial environments.
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Broad frequency response: Suitable for general machinery vibration monitoring across a wide range von operating speeds.
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Low noise and drift: Ensures stable long-term operation with minimal calibration requirements.
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Insensitive to electromagnetic fields: Reliable in high-EMI environments common in industrial plants.
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Easy installation: Can be mounted with a standard thread or magnetic base for flexibility.
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Direct velocity measurement: Eliminates the need for mathematical integration as required by accelerometers.
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API 670 and ISO 10816 compliant: Meets international standards for vibration monitoring and protection.
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Maintenance-free design: No internal electronics or power supply required.
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Proven performance: Used worldwide in machinery protection systems for critical rotating assets.
FAQ
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What measurement principle does the PR9264/000-000 use?
It operates on the electrodynamic principle, where a moving coil within a magnetic field generates a voltage proportional to vibration velocity. -
What is the typical sensitivity von this sensor?
The nominal sensitivity is 20 mV per mm/s, providing an accurate voltage output for vibration velocity. -
Can the sensor measure in multiple directions?
The standard model measures in the axial direction, but variants for radial or transverse directions are available. -
Is an external power supply required?
No, this sensor is self-generating and does not require external excitation power. -
How should the PR9264/000-000 be mounted for best performance?
It should be mounted firmly on the machine housing using a threaded stud or magnetic base to ensure solid coupling. -
What frequency range does the sensor cover?
The effective operating range is from 10 Hz to 1,000 Hz, suitable for general machinery vibration applications. -
Is the sensor compatible with Epro MMS systems?
Yes, it integrates seamlessly with Epro MMS3000 and MMS6000 series monitoring systems. -
What are the recommended applications for this model?
It is ideal for turbines, compressors, pumps, motors, and other rotating equipment requiring velocity measurement. -
Does the sensor output a current or voltage signal?
It provides a voltage output proportional to the vibration velocity von the mounting surface. -
How is signal calibration performed?
Calibration is performed by applying a known vibration amplitude and verifying the voltage output against expected sensitivity.
Related Modells (Same Series or Family)
| Modell Number | Beschreibung | Measurement Direction | Sensitivity | Gewicht |
|---|---|---|---|---|
| PR9264/001-000 | Electrodynamic Velocity Sensor | Axial | 20 mV/mm/s | 3 kg |
| PR9264/002-000 | Electrodynamic Velocity Sensor | Radial | 20 mV/mm/s | 3 kg |
| PR9264/003-000 | Electrodynamic Velocity Sensor | Horizontal | 20 mV/mm/s | 3 kg |
| PR9264/004-000 | Electrodynamic Velocity Sensor | Vertical | 30 mV/mm/s | 3 kg |
| PR9264/010-000 | Electrodynamic Velocity Sensor | Axial | 10 mV/mm/s | 3 kg |
| PR9264/020-000 | Electrodynamic Velocity Sensor | Axial | 40 mV/mm/s | 3 kg |
Popular EPRO Modells
| Modell Number | Beschreibung | Type | Application |
|---|---|---|---|
| PR6423/005-010+CON021 | Eddy Current Sensor System | Displacement Sensor + Converter | Shaft vibration and clearance monitoring |
| PR6480/051-000 | Eddy Current Sensor | Displacement Probe | Turbine and compressor monitoring |
| PR6424/01CS | Eddy Current Probe | Non-contact Displacement Measurement | Rotor position sensing |
| MMS3120/022-100 | Monitoring Module | Zustand Monitoring | Multi-channel vibration analysis |
| MMS3125/022-020 | Monitoring Module | Vibration and Displacement Processing | Dynamic measurement systems |
| CON021 | Converter Module | Signal Zustander | Interface for PR6423 and PR6480 series sensors |
Unternehmensinformationen
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