12 in stock
EPRO PR9268/203-000 Electrodynamic Velocity Sensor
EPRO PR9268/203-000 Electrodynamic Velocity Sensor
Brand/Manufacturer: Emerson Epro
Order Number: PR9268/203-000
Type: Vibration Velocity 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 PR9268/203-000, also cataloged as the PR9268 Electrodynamic Velocity Sensor, operates as a dedicated hardware component for measuring casing vibration velocity within turbomachinery protection systems. Utilizing a seismic spring-suspended coil moving through a permanent magnetic field, the transducer converts surface mechanical vibration directly into a proportional AC voltage output across a 4 to 1000 Hz operating bandwidth.
Hardware Specifications
| Parameter | Specification |
|---|---|
| Model | PR9268/203-000 |
| Brand | EPRO / Emerson |
| Origin | Germany |
| Weight | 0.75 kg (1.65 lbs) |
| Dimensions | Estimated Shipping Size: 25 x 22 x 8 cm |
| Operating Temp | -40 to 100 deg C (-40 to 212 deg F) baseline |
| Power Consumption | Passive self-generating electrodynamic coil |
| Sensitivity | 28.5 mV/mm/s (723.9 mV/in/s) |
| Frequency Range | 4 to 1000 Hz |
| Natural Frequency | 4.5 Hz +/- 0.75 Hz at 20 deg C (68 deg F) |
| Vibration Amplitude | 3000 um (4000 um) peak-peak |
| Amplitude Linearity | < 2% |
| Coil Resistance | 1875 ohm +/- 10% |
| Harmonized Tariff Code | 8537101190 |
Rotor Dynamics and Signal Transmission
The EPRO PR9268/203-000 features a low natural frequency of 4.5 Hz (+/- 0.75 Hz), enabling precise rotor dynamics evaluation and low-speed machinery monitoring down to 4 Hz. Internal mechanical dampening maintains an amplitude linearity error below 2% across dynamic vibration amplitudes up to 3000 um peak-peak. Symmetrical coil geometry provides internal cross-talk suppression against surrounding magnetic fields, preserving raw AC voltage signal fidelity before transmission to receiving monitoring modules.
Frequently Asked Questions
Q: Does the PR9268/203-000 velocity sensor require an external DC power supply to operate?
A: No, the sensor uses a passive electrodynamic moving-coil design that generates its own proportional AC output voltage directly from mechanical motion.
Q: Why is the low natural frequency of 4.5 Hz important for machinery monitoring?
A: A 4.5 Hz natural frequency allows the seismic coil mass to remain stationary relative to housing vibration at operational speeds above 4 Hz, enabling accurate absolute casing vibration velocity measurements.
Field Installation Guidelines
- Inspect the machine casing mounting pad to ensure the surface is flat, smooth, and clear of paint, debris, or metal burrs.
- Thread the transducer tightly onto the mounting stud, torqueing to standard engineering limits to establish solid mechanical contact without distorting the internal coil guide.
- Route field wiring through grounded protective metal conduit, maintaining spatial isolation from high-voltage AC power cables and variable frequency drives (VFDs).
- Connect the signal leads to the monitoring rack input channels, ensuring the twisted-pair cable shield connects to Earth ground at the cabinet busbar only.
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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.
- David Smith
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.
- Michael Anderson
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