Brand:Epro PLC Item No.:PR9268/617-100 Product Origin:Germany Product Dimensions:78 × 58 mm Product Weight:1.05 kg Payment:T/T, Western Union, Credit Card Goods_stock:15 Shipping Port:Xiamen, China Lead Time:1-3 Days Condition:Brand New And Original Warranty:1 Year Certificate:COO
The Epro PR9268/617-100 Electric Speed Sensor is an electrodynamic vibration velocity sensor designed for accurate monitoring of absolute casing vibration in critical rotating machinery. It provides stable, self-powered measurement signals that are essential for both protection and predictive maintenance systems.
Technical Specifications
Parameter
Specification
Manufacturer
Epro (EPRO)
Product Type
Electrodynamic Velocity Sensor
Model Number
PR9268/617-100
Measurement Type
Vibration velocity (absolute casing vibration)
Sensitivity
28.5 mV/mm/s
Frequency Range
4 – 1000 Hz
Measurement Range
±1500 µm
Natural Frequency
~4.5 Hz
Output Signal
AC voltage proportional to velocity
Power Supply
Self-generating (no external power)
Operating Temperature
-20°C to +100°C
Humidity
0–100% non-condensing
Dimensions
78 × 58 mm
Weight
1.05 kg
Mounting Type
Industrial threaded / fixed mounting
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Applications
• Turbomachinery Vibration Monitoring
Used for measuring absolute casing vibration in steam, gas, and hydro turbines, ensuring safe and stable machine operation.
• Compressor & Pump Protection Systems
Provides reliable vibration feedback for critical rotating equipment in oil & gas and process industries.
• Power Generation Asset Monitoring
Widely applied in generators and turbine trains for continuous condition monitoring and early fault detection.
• Industrial Predictive Maintenance Systems
Supports vibration trend analysis for maintenance planning and equipment lifecycle optimization.
• Heavy Industrial Machinery Diagnostics
Helps detect imbalance, misalignment, and bearing degradation in large rotating systems.
• Process Industry Monitoring
Used in refinery, petrochemical, and chemical plants for continuous equipment health assessment.
• Test Bench & Engineering Validation
Suitable for OEM testing, vibration analysis, and performance verification systems.
• API 670 Machine Protection Systems
Commonly integrated into standardized protection architectures for critical rotating assets.
Key Advantages
• High-Precision Electrodynamic Measurement
Delivers accurate vibration velocity signals for reliable machinery condition assessment.
• Self-Generating Sensor Design
No external power supply required, improving system reliability and simplifying installation.
• Wide Frequency Response
Captures a broad range of mechanical vibration signals for comprehensive diagnostics.
• Strong Industrial Robustness
Designed for harsh environments with vibration, humidity, and temperature variations.
• Stable Long-Term Performance
Maintains consistent sensitivity and output over long operational cycles.
• Non-Contact Vibration Detection Principle
Measures casing vibration without mechanical wear or contact degradation.
• Easy Integration with Monitoring Systems
Compatible with standard industrial vibration monitoring and protection platforms.
• High Reliability for Critical Assets
Built for continuous operation in mission-critical industrial environments.
Technical FAQs
1. What is the main function of this sensor?
It measures absolute vibration velocity of machinery housings in rotating equipment.
2. Does it require external power?
No. It is a self-generating electrodynamic sensor.
3. What type of signal does it output?
It outputs an AC voltage proportional to vibration velocity.
4. Where is it commonly used?
In turbines, compressors, pumps, and other critical rotating machines.
5. Is it suitable for continuous operation?
Yes. It is designed for 24/7 industrial monitoring.
6. Does it measure displacement or velocity?
It measures vibration velocity.
7. Can it be used in harsh environments?
Yes. It is designed for industrial temperature and vibration conditions.
8. What industries use it most?
Power generation, oil & gas, petrochemical, and heavy industry.
9. Is calibration required?
Yes. Proper calibration is required for accurate measurement.
10. Is it suitable for safety systems?
Yes. It is widely used in machine protection systems.
