20 in stock
EPRO PR9268/302-100 Vibration Velocity Sensors
EPRO PR9268/302-100 Vibration Velocity Sensors
Brand/Manufacturer: Emerson Epro
Order Number: PR9268/302-100
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 Emerson PR9268/302-100, also cataloged as the PR9268 Electrodynamic Velocity Sensor, operates as a dedicated hardware component for absolute seismic vibration measurement within turbomachinery protection platforms.
Suffix Breakdown & Model Matrix
- PR9268/01x-x00: Omni-directional orientation version; sensitivity 17.5 mV/mm/s; frequency range 14 to 1000 Hz; temperature range -20 to +100 deg C.
- PR9268/20x-x00: Vertical orientation (+/- 60 deg); sensitivity 28.5 mV/mm/s; frequency range 4 to 1000 Hz; protection class IP55.
- PR9268/30x-x00 (Includes PR9268/302-100): Horizontal orientation (+/- 30 deg); sensitivity 28.5 mV/mm/s; frequency range 4 to 1000 Hz; protection class IP55.
- PR9268/60x-000: High-temp vertical version; sensitivity 22.0 mV/mm/s; frequency range 10 to 1000 Hz; temperature range -20 to +200 deg C.
- PR9268/70x-000: High-temp horizontal version; sensitivity 22.0 mV/mm/s; frequency range 10 to 1000 Hz; temperature range -20 to +200 deg C.
Hardware Specifications
| Parameter | Specification |
|---|---|
| Model | PR9268/302-100 |
| Brand | Epro / Emerson |
| Origin | Germany |
| Weight | Approx. 0.35 kg |
| Dimensions | Standard body execution |
| Operating Temp | -20 to +100 deg C (-4 to 212 deg F) |
| Power Consumption | Passive self-generating electrodynamic element |
| Sensor Orientation | Horizontal (+/- 30 deg) |
| Sensitivity | 28.5 mV/mm/s |
| Frequency Range | 4 to 1000 Hz |
| Natural Frequency | 4.5 Hz +/- 0.75 Hz at 20 deg C (68 deg F) |
| Max Acceleration | 10g continuous / 20g intermittent |
| Protection Class | IP55 |
Rotor Dynamics & Cross-Talk Suppression
The electrodynamic seismic system generates output signals proportional to absolute velocity without active power supply requirements. Proper physical alignment along the horizontal shaft plane is required during mounting to suppress cross-talk and preserve transient response across low-frequency rotor dynamic events.
Frequently Asked Questions
Q: What mounting angle tolerance applies to the PR9268/302-100 execution?
A: The horizontal execution allows an alignment tolerance of +/- 30 deg from the true horizontal plane.
Q: Does the sensor require an external power supply to output vibration velocity?
A: No, the sensor uses a moving coil in a permanent magnetic field to self-generate voltage proportional to mechanical velocity.
Field Installation Guidelines
- Ensure a minimum of 5 full threads of engagement when securing mounting studs into the bearing housing.
- Route sensor cabling through grounded metal conduit away from high-voltage motor leads and variable frequency drive (VFD) outputs to prevent high-frequency interference.
- Verify that signal cable shielding is grounded at a single point (typically at the cabinet barrier/rack terminal) to eliminate ground loops.
- Align the physical mounting axis within the allowable +/- 30 deg horizontal window before final torque application.
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Testimonials
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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.
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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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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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