Reliable Vibration Measurement for Industrial Monitoring Applications
The Epro PR9268/206-100 Electrodynamic Velocity Sensor is designed for accurate vibration velocity measurement in industrial equipment monitoring systems. It provides stable and repeatable signal output for evaluating mechanical operating conditions of rotating machinery, supporting long-term performance assessment and condition monitoring strategies.
Based on an electrodynamic self-generating principle, the sensor operates without external power supply and delivers consistent measurement behavior in continuous industrial environments. It is widely applied in machinery systems where stable vibration data and operational evaluation are required for equipment performance tracking.
Technical Specifications
| Specification | Details |
|---|
| Manufacturer | Epro |
| Model Number | PR9268/206-100 |
| Product Type | Electrodynamic Velocity Sensor |
| Measurement Function | Vibration velocity monitoring |
| Operating Principle | Electrodynamic self-generating system |
| Sensitivity | 28.5 mV/mm/s (±5% typical) |
| Frequency Range | 4 Hz – 1000 Hz |
| Natural Frequency | ~4.5 Hz |
| Linearity | < 2% |
| Output Signal | Analog voltage proportional to vibration velocity |
| Measurement Range | ±1500 µm (typical application range) |
| Maximum Acceleration | 10 g continuous / 20 g intermittent |
| Resistance | ~1723 Ω |
| Inductance | ≤ 90 mH |
| Active Capacitance | < 1.2 nF |
| Housing Material | Stainless steel |
| Cable Insulation | Industrial-grade PTFE cable |
| Operating Temperature | -20°C to +100°C |
| Protection Class | Industrial sealed design (IP55 equivalent) |
| Dimensions (Approx.) | 160 × 58 × 28 mm |
| Weight (Approx.) | 0.8–0.93 kg |
Application Areas
Rotating Machinery Monitoring
Used for vibration velocity measurement in motors, compressors, and industrial drive systems.
Turbine Systems
Supports continuous monitoring of mechanical condition in turbine-based installations.
Pump and Fan Systems
Helps evaluate operational trends and stability in fluid and air handling equipment.
Power Generation Facilities
Applied in monitoring systems for equipment performance evaluation and operational consistency.
Process Industry Equipment
Suitable for industrial environments requiring continuous machinery condition monitoring.
Key Advantages
Stable Measurement Output
Provides consistent vibration velocity signals for long-term monitoring applications.
Self-Powered Operation
No external excitation required, simplifying system design and integration.
Robust Industrial Construction
Designed for continuous use in demanding industrial environments.
Easy System Integration
Compatible with standard industrial monitoring platforms and configurations.
Long-Term Stability
Supports extended operational cycles with consistent measurement performance.
Wide Application Coverage
Suitable for multiple types of rotating machinery and industrial systems.
Technical FAQs
1. What is the main function of this sensor?
It measures vibration velocity for industrial equipment condition monitoring.
2. What technology does it use?
It uses an electrodynamic self-generating sensing principle.
3. Does it require external power?
No, it operates without external power supply.
4. What equipment is it commonly used with?
It is used with turbines, compressors, pumps, and motors.
5. What type of signal does it output?
It provides an analog voltage signal proportional to vibration velocity.
6. What is the operating temperature range?
It operates between -20°C and +100°C.
7. Is it suitable for continuous operation?
Yes, it is designed for continuous industrial monitoring.
8. What parameters does it measure?
It measures vibration velocity and equipment operating conditions.
9. What industries commonly use this model?
Power generation, manufacturing, utilities, and process industries.
10. Why is this model widely used?
Because it offers stable performance, durable construction, and reliable measurement output.
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