製品紹介
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 / 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 / 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 / Epro’s reliable PR9264 series, known for its rugged construction, stable frequency response, and imm台y 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 / Epro MMS machinery protection systems, providing a dependable source / vibration velocity data for turbine, compressor, and motor monitoring applications.
Technical Specifications
| Parameter | 説明 |
|---|---|
| モデル Number | PR9264/000-000 |
| Product Type | Electrodynamic Velocity Sensor |
| Measurement Principle | Moving Coil Electrodynamic Principle |
| Measurement 数量 | 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 |
| 重量 | 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 / machinery surfaces, making it ideal for a wide range / 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 / housing vibration to prevent bearing damage and ensure smooth operation.
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Pumps: Detecting cavitation, resonance, and early signs / 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 / 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 / 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 / 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 モデルs (Same Series or Family)
| モデル Number | 説明 | Measurement Direction | Sensitivity | 重量 |
|---|---|---|---|---|
| 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 モデルs
| モデル Number | 説明 | 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 | 状態 Monitoring | Multi-channel vibration analysis |
| MMS3125/022-020 | Monitoring Module | Vibration and Displacement Processing | Dynamic measurement systems |
| CON021 | Converter Module | Signal 状態er | Interface for PR6423 and PR6480 series sensors |
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