Brand:Epro PLC Item No.:PR9268/300-000 Product Origin:Germany Product Dimensions:78 × 58 mm Product Weight:0.93 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 PR9268/300-000 Electric Speed Sensor is an electrodynamic vibration transducer designed for accurate measurement of casing vibration in critical rotating machinery. It converts mechanical vibration into electrical signals proportional to velocity, enabling reliable monitoring and protection of turbines, compressors, and pumps. Built for industrial durability, it is widely applied in power generation, oil & gas, and heavy process industries where continuous vibration monitoring is essential.
Technical Specifications
Category
Specification
Product Series
EPRO PR9268
Model
PR9268/300-000
Sensor Type
Electrodynamic velocity sensor
Measurement Principle
Electromagnetic induction
Measurement Parameter
Vibration velocity
Frequency Range
4 – 1000 Hz
Sensitivity
~28.5 mV/mm/s (typical)
Measurement Range
±1500 µm
Operating Temperature
-20 °C to +100 °C
Humidity
0–100% non-condensing
Protection Class
IP65
Housing Material
Industrial metal alloy
Cable Type
PTFE insulated cable
Output Signal
Analog voltage proportional to velocity
Mounting Orientation
As per installation design
Dimensions
78 × 58 mm
Weight
0.93 kg
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Applications
• Turbomachinery absolute vibration monitoring
Used for measuring casing vibration in steam, gas, and hydro turbines for continuous condition monitoring.
• Compressor and pump protection systems
Applied in rotating equipment to detect abnormal vibration levels and prevent mechanical failure.
• Power generation condition monitoring
Widely used in power plants to ensure stable operation of critical rotating assets.
• Oil & gas rotating machinery diagnostics
Installed on compressors, pumps, and industrial drives in harsh operational environments.
• Industrial predictive maintenance systems
Provides velocity-based vibration signals for early fault detection and asset health evaluation.
• Heavy industrial equipment monitoring
Used in steel, chemical, and refinery plants for continuous vibration supervision of key machinery.
Key Advantages
• Electrodynamic velocity measurement principle
Generates vibration velocity signals through electromagnetic induction for accurate dynamic response.
• High sensitivity and stable output
Delivers consistent analog signals suitable for industrial monitoring and protection systems.
• Wide frequency response range
Supports effective monitoring of low to mid-frequency vibration behavior in rotating machinery.
• Rugged industrial construction
Designed for harsh environments including vibration, humidity, and temperature variations.
• Non-contact measurement behavior
No mechanical wear, ensuring long operational life and stable calibration.
• Proven turbomachinery compatibility
Commonly used in standardized machinery protection systems such as API 670 architectures.
Technical FAQs
1. What does the PR9268/300-000 measure?
It measures absolute vibration velocity of rotating machinery housings.
2. What is the measurement principle?
It uses electrodynamic (electromagnetic induction) velocity sensing.
3. What type of machinery is it used for?
Turbines, compressors, pumps, and industrial rotating equipment.
4. What is the typical frequency range?
Approximately 4 Hz to 1000 Hz depending on configuration.
5. Does it require external power?
No, it generates a signal through electromagnetic motion.
6. What is the output signal type?
Analog voltage proportional to vibration velocity.
7. Is it suitable for harsh environments?
Yes, it is designed for industrial-grade operating conditions.
8. Can it be used in predictive maintenance systems?
Yes, it is widely used in condition monitoring applications.
9. Is it suitable for high-speed machinery?
Yes, within its rated frequency range it supports high-speed diagnostics.
10. Does it measure displacement or velocity?
It measures vibration velocity, not displacement.
