Stable Vertical Vibration Monitoring for Industrial Systems
The Epro PR9268/203-100 Electric Speed Sensor is designed for precise vibration velocity measurement in industrial equipment monitoring applications. It provides stable and repeatable signal output for evaluating machine operating conditions, supporting long-term performance assessment and condition-based maintenance 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 rotating machinery systems where stable vertical vibration monitoring is required for reliable operational evaluation.
Technical Specifications
| Specification | Details |
|---|
| Manufacturer | Epro |
| Model Number | PR9268/203-100 |
| Product Type | Electric Speed Sensor |
| Measurement Function | Vertical vibration velocity monitoring |
| Operating Principle | Electrodynamic self-generating system |
| Sensitivity | 17.5 – 28.5 mV/mm/s (typical range) |
| Frequency Range | 4 Hz – 1000 Hz |
| Natural Frequency | ~4.5 Hz |
| Linearity | < 2% |
| Output Signal | Analog voltage proportional to vibration velocity |
| Maximum Acceleration | 10 g continuous / 20 g intermittent |
| Transverse Sensitivity | < 0.1 |
| Housing Material | Stainless steel |
| Cable Type | Industrial armored cable |
| Operating Temperature | -20°C to +100°C |
| Protection Class | Industrial sealed design (IP55 equivalent) |
| Dimensions (Approx.) | 160 × 58 × 28 mm |
| Weight (Approx.) | 0.9 kg |
Application Areas
Rotating Machinery Monitoring
Used for vibration velocity measurement in motors, compressors, and industrial drives.
Turbine Systems
Supports continuous monitoring of operational stability in turbine equipment.
Pumping and Fan Systems
Helps evaluate mechanical condition trends in fluid and air handling systems.
Power Generation Facilities
Applied in equipment monitoring systems for consistent operational assessment.
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 integration.
Durable Industrial Construction
Designed for continuous operation in demanding industrial environments.
Easy System Integration
Compatible with standard industrial monitoring platforms and configurations.
Long Service Stability
Supports extended operational cycles with reliable measurement behavior.
Wide Application Compatibility
Suitable for multiple types of rotating machinery and industrial systems.
Technical FAQs
1. What is the main function of this sensor?
It measures vertical vibration velocity for industrial equipment monitoring applications.
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 motors, compressors, pumps, and turbine systems.
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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