Brand: EPRO Description: Electrodynamic Velocity Sensor Condition: Brand New Certificate: COO TEST REPORT WARRANTY LETTER Warranty: 1 year Inventory Qty: 6 Payment Term: T/T Shipping Port: Shenzhen The EPRO PR9268/201-000 is a high-precision proximity sensor designed for industrial vibration and displacement monitoring. Engineered to safeguard critical equipment, this sensor delivers reliable performance in demanding applications. Below is a detailed breakdown of its features, applications, and maintenance protocols, tailored to meet diverse industrial needs.
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Technical Parameters
Sensitivity: 28.5 mV/mm/s (723.9 mV/in/s).
Frequency Range: 4 to 1000Hz.
Natural Frequency: 4.5Hz ± 0.75Hz @ 20°C (68°F).
Transverse Sensitivity: 0.13 (PR9268/20x-x00) @ 110Hz 0.27 (PR9268/30x-x00) @ 110Hz.
Vibration Amplitude (Mechanical Limit): 3000µm (4000µm) peak-peak.
Amplitude Linearity: < 2%.
Maximum Acceleration: 10g (98.1 m/s2) peak-peak continuous; 20g (196.2 m/s2) peak-peak intermittent.
Maximum Transverse Acceleration: 2g (19.62 m/s2).
Resistance: 1875Ω ± 10%.
Inductance: ≤ 90 mH.
Active Capacity: < 1.2 nF.
Application Scenarios
The EPRO PR9268/201-000 addresses industry-specific challenges:
Power Generation: Monitors steam turbine vibrations in thermal plants, reducing unplanned downtime by 40% through early detection of blade imbalance.
Heavy Manufacturing: Deployed in steel mills, it identifies abnormal vibrations in rolling mills caused by mechanical fatigue, extending equipment lifespan by 25% .
Marine and Offshore: Safeguards centrifugal pumps on oil platforms by detecting cavitation-induced vibrations, even in saltwater-exposed environments.
Installation & Maintenance Best Practices
Optimize the EPRO PR9268/201-000’s performance with these guidelines:
Installation Steps:Mount the sensor on non-rotating surfaces (e.g., bearing housings) using M12 mounting bolts, ensuring a gap voltage of 10±1 VDC during setup.Shield cables from electromagnetic interference by routing them away from motors or high-voltage lines.
Routine Maintenance: Clean the sensor surface every six months using a lint-free cloth to prevent dust buildup affecting sensitivity.
Calibrate biannually with EPRO’s TK-5 calibration kit to maintain ±1.5% accuracy, adhering to API 670 standards.
Troubleshooting: If output signals fluctuate, check cable insulation and terminal connections for corrosion or damage.
For false alarms, verify gap settings and recalibrate using diagnostic software.
We also supply other models of this products:PR9268/202-000, PR9268/200-000.They are the same in specifications, features and application range. The difference is the total length of armored cable ,refer to the table for details.
| Module Number |
Armored cable Length |
|
PR9268/200-000 |
3m |
|
PR9268/201-000 |
5m |
|
PR9268/202-000 |
8m |
