Stable Vibration Monitoring for Industrial Equipment Applications
The Epro PR9268/205-000 Electric Speed Sensor is designed for accurate vibration velocity measurement in industrial machinery monitoring systems. It provides stable and repeatable signal output for evaluating operating conditions of rotating equipment, 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 across continuous industrial environments. It is widely used in machinery systems where reliable vibration data and operational stability are required for equipment condition evaluation.
Technical Specifications
| Specification | Details |
|---|
| Manufacturer | Epro |
| Model Number | PR9268/205-000 |
| Product Type | Electric Speed Sensor |
| Measurement Function | Vibration velocity monitoring |
| Operating Principle | Electrodynamic self-generating system |
| Sensitivity | 28.5 mV/mm/s (typical) |
| 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 | < 0.13 |
| Resistance | ~1723 Ω |
| Inductance | ≤ 90 mH |
| Active Capacitance | < 1.2 nF |
| 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 rotating equipment systems.
Turbine Systems
Supports continuous monitoring of operating conditions in turbine-based installations.
Pumping and Fan Systems
Helps evaluate equipment condition trends in fluid and air handling systems.
Power Generation Facilities
Applied in equipment monitoring systems for stable operational assessment.
Process Industry Equipment
Suitable for industrial environments requiring continuous machinery condition tracking.
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 and installation.
Durable Industrial Construction
Designed for continuous use 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 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 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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