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EPRO pr9268 / 200-000 Electrodynamic Velocity Sensor
EPRO pr9268 / 200-000 Electrodynamic Velocity Sensor
Brand/Manufacturer: Emerson Epro
Order Number: pr9268 / 200-000
Type: Vibration Sensors
Country of Origin: France
Condition: Original Brand
Lead Time: Available in stock
Payment Term: 100% TT In Advance
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Description
The EPRO PR9268/200-000, also cataloged as the PR9268/200-000 Electrodynamic Velocity Sensor, operates as a dedicated hardware component for absolute seismic vibration acquisition within turbomachinery protection systems.
Hardware Specifications
| Parameter | Specification |
|---|---|
| Model | PR9268/200-000 |
| Brand | EPRO |
| Origin | Germany |
| Weight | 0.28 kg |
| Dimensions | Standard cylindrical probe body |
| Operating Temp | -20 deg C to +100 deg C (-4 deg F to +212 deg F) |
| Power Consumption | Passive self-generating electromagnetic element |
| Measurement Principle | Electrodynamic velocity sensing via electromagnetic induction |
| Sensitivity | 28.5 mV/mm/s (723.9 mV/in/s) at 80 Hz, 20 deg C, 100 k-ohm load |
| Frequency Range | 4 Hz to 1000 Hz |
| Vibration Amplitude | +/- 1500 um peak-to-peak |
| Humidity Resistance | 0 to 100% non-condensing |
| Ingress Protection | IP55 |
| Housing Material | Stainless steel |
| Output Signal | Analog AC voltage proportional to vibration velocity |
Rotor Dynamics and Cross-Talk Suppression
The self-generating electrodynamic element provides a low-impedance AC voltage output proportional to absolute vibration velocity without requiring external active DC excitation. With a wide frequency response from 4 Hz to 1000 Hz, the sensor captures both sub-synchronous rotor dynamics—such as oil whirl, structural resonance, and seal rub—and high-frequency rotational harmonics. Internal magnetic shielding prevents cross-talk suppression degradation when multiple sensors are mounted in close orthogonal proximity on turbomachinery bearing housings.
Frequently Asked Questions
Q: Does the PR9268/200-000 require external power to output a vibration signal?
A: No, the sensor utilizes an electrodynamic moving-coil design that generates a proportional millivolt AC voltage via internal electromagnetic induction.
Q: How does the 4 Hz lower frequency limit assist in turbomachinery protection?
A: The 4 Hz lower limit allows detection of slow rotational speed transients and low-frequency sub-synchronous instabilities before destructive harmonic vibrations develop.
Field Installation Guidelines
- Mount the sensor housing squarely on a rigid bearing casing using standard thread engagement guidelines (minimum 5 full turns of thread engagement).
- Connect signal wiring using twisted shielded pair cable, ensuring the cable shield is terminated to ground at the monitoring rack side only to prevent earth loops.
- Route interconnect cabling through grounded steel flexible conduit when installed near high-power electrical equipment or switching drives.
- Inspect physical cable connections periodically to ensure stress relief and prevent wire fatigue from continuous mechanical vibration.
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Testimonials
Fast Delivery, Excellent Quality
We’ve worked with IndustriaX Limited on several urgent orders for automation components. Their ability to provide original, factory-sealed parts with full documentation—often from in-stock inventory—has significantly reduced our downtime. The delivery is consistently fast, and their logistics team is highly responsive. IndustriaX has become one of our most trusted global suppliers for industrial spare parts.
- Sarah Johnson
We’ve worked with IndustriaX Limited on several urgent orders for automation components. Their ability to provide original, factory-sealed parts with full documentation—often from in-stock inventory—has significantly reduced our downtime. The delivery is consistently fast, and their logistics team is highly responsive. IndustriaX has become one of our most trusted global suppliers for industrial spare parts.
- Sarah Johnson
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Finding authentic automation parts has always been a challenge, especially for discontinued models. IndustriaX Limited has impressed us with their genuine stock, clear product traceability, and prompt updates. We’ve verified their shipments against OEM specs multiple times, and the results are flawless. They’re now our preferred sourcing partner for critical systems.
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Finding authentic automation parts has always been a challenge, especially for discontinued models. IndustriaX Limited has impressed us with their genuine stock, clear product traceability, and prompt updates. We’ve verified their shipments against OEM specs multiple times, and the results are flawless. They’re now our preferred sourcing partner for critical systems.
- David Smith
Professional Service with After-Sales Support"IndustriaX Limited doesn’t just ship products—they provide solutions. When we encountered installation issues with one of the modules, their technical team replied in less than 4 hours and provided wiring guides and troubleshooting tips. This level of post-sale support is rare in the spare parts sector. Their professionalism gives us confidence in every order."
- Emily Brown
"IndustriaX Limited doesn’t just ship products—they provide solutions. When we encountered installation issues with one of the modules, their technical team replied in less than 4 hours and provided wiring guides and troubleshooting tips. This level of post-sale support is rare in the spare parts sector. Their professionalism gives us confidence in every order."
- Emily Brown
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We've tested multiple suppliers over the years, but IndustriaX Limited consistently stands out. Their product catalog is extensive, their team is knowledgeable, and they understand the urgency of industrial needs. With every order, we receive timely updates, fast delivery, and 100% genuine products. It’s rare to find such consistency and reliability in this field.
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We've tested multiple suppliers over the years, but IndustriaX Limited consistently stands out. Their product catalog is extensive, their team is knowledgeable, and they understand the urgency of industrial needs. With every order, we receive timely updates, fast delivery, and 100% genuine products. It’s rare to find such consistency and reliability in this field.
- Michael Anderson