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Product Introduction
The Emerson Epro PR9268/017-100 is an electrodynamic velocity sensor designed for precise vibration measurements in industrial machinery. It is particularly suited for monitoring turbines, compressors, pumps, and fans, providing reliable data for machinery protection and condition monitoring systems.
Technical Specifications
| Parameter | Specification |
|---|---|
| Model Number | PR9268/017-100 |
| Manufacturer | Emerson Epro |
| Sensor Type | Electrodynamic Velocity Sensor |
| Sensitivity | 17.5 mV/mm/s |
| Frequency Range | 14 to 1000 Hz |
| Natural Frequency | 14 Hz ± 7% at 20°C |
| Transverse Sensitivity | < 0.1 at 80 Hz |
| Vibration Amplitude | ±500 µm peak-to-peak |
| Amplitude Linearity | < 2% |
| Maximum Acceleration | 10g continuous, 20g intermittent |
| Max Transverse Acceleration | 2g |
| Damping Factor | ~0.6% at 20°C |
| Resistance | 1723 Ω ± 2% |
| Inductance | ≤ 90 mH |
| Active Capacity | < 1.2 nF |
| Operating Temperature | -20°C to +100°C |
| Protection Class | IP65 |
| Material | Stainless Steel |
| Weight | 0.28 kg |
| Dimensions (L x W x H) | 78 × 58 mm |
| Power Supply | Self-powered |
| Cable Type | PTFE, 3x 0.5 mm², optional armored stainless steel |
| Connector Type | Die-cast aluminum Harting plug |
Applications
The PR9268/017-100 sensor is utilized in various industrial applications, including:
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Turbomachinery Monitoring: Ensuring the operational integrity of steam, gas, and hydro turbines.
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Compressor Vibration Analysis: Detecting imbalances and mechanical issues in compressors.
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Pump Condition Monitoring: Identifying cavitation and bearing wear in pumps.
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Fan Performance Assessment: Monitoring vibration levels in industrial fans to prevent failures.
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General Machinery Protection: Providing data for predictive maintenance across various rotating equipment.
Product Advantages
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High Sensitivity: Accurate detection of low-level vibrations for early fault identification.
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Wide Frequency Range: Suitable for monitoring a broad spectrum of machinery speeds.
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Robust Construction: Stainless steel housing ensures durability in harsh environments.
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Self-Powered Operation: Eliminates the need for external power sources, simplifying installation.
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IP65 Protection: Offers resistance against dust and water ingress, enhancing reliability.
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Compact Design: Facilitates installation in space-constrained areas.
Frequently Asked Questions (FAQ)
-
What is the primary function of the PR9268/017-100 sensor?
It measures absolute vibration velocity in industrial machinery to aid in condition monitoring and protection. -
Is the sensor suitable for hazardous environments?
Yes, its IP65 rating and stainless steel construction make it suitable for challenging industrial settings. -
Does the sensor require an external power supply?
No, it is self-powered, generating its signal through electrodynamic principles. -
Can the sensor be used with different cable lengths?
Yes, various cable lengths and types, including armored options, are available to suit installation requirements. -
What types of machinery can this sensor monitor?
It is ideal for turbines, compressors, pumps, fans, and other rotating equipment. -
How is the sensor mounted?
It is typically mounted directly onto the machine casing using appropriate fixtures. -
What is the operating temperature range?
The sensor operates effectively between -20°C and +100°C. -
Is the sensor compatible with standard monitoring systems?
Yes, it provides a voltage output proportional to vibration velocity, compatible with most monitoring equipment. -
What maintenance is required for the sensor?
Minimal maintenance is needed; however, regular inspections ensure optimal performance. -
Where is the sensor manufactured?
The PR9268/017-100 is manufactured in Germany, ensuring high-quality standards.
Related Models
| Model Number | Description | Orientation | Sensitivity (mV/mm/s) |
|---|---|---|---|
| PR9268/201-000 | Electrodynamic Velocity Sensor | Omni-directional | 17.5 |
| PR9268/301-100 | Electrodynamic Velocity Sensor | Horizontal | 28.5 |
| PR9268/202-100 | Electrodynamic Velocity Sensor | Vertical | 28.5 |
| PR9268/206-100 | Electrodynamic Velocity Sensor | Vertical | 28.5 |
| PR9268/302-100 | Electrodynamic Velocity Sensor | Horizontal | 28.5 |
| PR9268/617-100 | Electrodynamic Velocity Sensor | Omni-directional | 17.5 |
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|---|---|---|
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