PR9268/201-000 (EPRO/Emerson Electric Vibration Sensor)

PR9268/201-000 is an electric speed sensor of EPRO (now part of Emerson), used for absolute vibration (bearing seat vibration) monitoring. It has an inductive output and is compatible with the TSI system.

Model Disassembly

PR9268: EPRO Electric Vibration Sensor Series

201:

20 = Sensitivity 28.5 mV/mm/s

1 = Low-frequency Extension (Starting Frequency at 4Hz)

000: Standard configuration, no customization

Core Parameters (Official Version)

Measurement Type: Bearing Housing Absolute Vibration (Velocity)

Principle: Electric (Electromagnetic Induction), Passive

Sensitivity: 28.5 mV/mm/s (±5%)

Frequency Response: 4Hz - 1000Hz (±3dB)

Amplitude Range: ±1500 μm (Peak-to-Peak 3000 μm)

Natural Frequency: 4.5Hz ±0.75Hz

Output: Voltage Signal (Passive), Directly Connectable to MMS3120/MMS6000

Operating Temperature: -30℃ - +100℃

Protection Grade: IP65

Installation Direction: Vertical / Horizontal, Deviation ≤ ±10°

Weight: Approximately 0.7kg

Comparison with the Same Series (Key Differences)

PR9268/200-000: Sensitivity 17.5 mV/mm/s, Frequency 10Hz - 1000Hz

PR9268/201-000: Sensitivity 28.5 mV/mm/s, Low Frequency 4Hz and Above (Suitable for Low-Speed Equipment)

PR9268/302-000: High Sensitivity, Focused on High-Frequency Vibration