PR9268/200-000 (EPRO/Emerson Electric Vibration Sensor)

PR9268/200-000 is an electric speed sensor of EPRO (now part of Emerson), used for absolute vibration (bearing seat vibration) monitoring. It outputs voltage signals and requires a preamplifier / card, and is commonly used in TSI systems. 

Model disassembly

PR9268: EPRO Electric Vibration Sensor Series

200:

20 = Sensitivity 17.5 mV/mm/s

0 = Standard cable / connector configuration

000: No special customization, standard version

Core parameters (verified version)

Measurement type: Absolute vibration of bearing housing (velocity)

Principle: Electric type (electromagnetic induction), passive output

Sensitivity: 17.5 mV/mm/s (±5%)

Frequency response: 10 Hz - 1000 Hz (±3 dB)

Range: ±1500 μm (peak-to-peak 3000 μm)

Natural frequency: Approximately 12 Hz

Output: Voltage signal (passive), requires preamplifier / card

Operating temperature: -20 ℃ - +100 ℃

Protection level: IP55

Explosion-proof: Eex ib IIC T6/T4 (optional)

Installation: Fixed by base thread, horizontal / vertical installation is possible

Weight: Approximately 0.74 kg

Typical applications

Bearings of fans, pumps, compressors, gearboxes, small steam turbines

Compatible with TSI: MMS3120, MMS6000 series cards

Differences: PR9268 (bearing vibration) vs PR6424 + CON021 (shaft vibration / displacement)