Stable Vibration Monitoring for Industrial Machinery
The Epro PR9268/201-110 Electric Speed Sensor is designed for accurate vibration velocity measurement in industrial equipment monitoring systems. It provides stable and repeatable signal output for evaluating machine operating conditions, supporting long-term equipment performance analysis and maintenance planning.
Based on an electrodynamic sensing principle, this model operates without external power supply and delivers consistent measurement behavior in continuous industrial environments. It is widely used in rotating machinery applications where reliable monitoring data and operational stability are required.
Technical Specifications
| Specification | Details |
|---|
| Manufacturer | Epro |
| Model Number | PR9268/201-110 |
| Product Type | Electric Speed Sensor |
| Measurement Function | Vibration velocity monitoring |
| Operating Principle | Electrodynamic self-generating system |
| Sensitivity | 28.5 mV/mm/s |
| 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 (typical) |
| Housing Material | Stainless steel |
| Cable Type | Industrial armored cable |
| Operating Temperature | -20°C to +100°C |
| Protection Level | Industrial sealed design (IP55–IP65 equivalent) |
| Dimensions (Approx.) | 160 × 58 × 28 mm |
| Weight (Approx.) | 0.9 kg |
Application Areas
Rotating Equipment Monitoring
Used for vibration velocity measurement in motors, pumps, and compressors.
Turbine Systems
Supports continuous condition evaluation in turbine-based industrial systems.
Pumping and Fan Systems
Helps monitor mechanical behavior trends in fluid and air handling equipment.
Power Generation Facilities
Applied in equipment monitoring systems to support stable operational performance.
Process Industry Equipment
Suitable for chemical, refinery, and general manufacturing environments requiring continuous 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 long-term use in continuous industrial environments.
Easy System Integration
Compatible with standard industrial monitoring systems and configurations.
Long Operational Stability
Supports extended service life with reliable measurement performance.
Wide Application Compatibility
Suitable for multiple types of rotating machinery and industrial equipment.
Technical FAQs
1. What is the main function of this sensor?
It measures 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 use.
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 provides stable performance, durable construction, and reliable measurement output.
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