Emerson Epro PR9268/201-000 Electrodynamic Velocity Sensor

Description

 The Emerson Epro PR9268/201-000 is an electrodynamic velocity sensor designed for absolute vibration measurement in critical turbomachinery applications. It converts mechanical vibration into a proportional voltage signal, enabling precise monitoring of equipment health.

Specifications

• Model: PR9268/201-000
• Sensor Type: Electrodynamic velocity sensor
• Sensitivity: 28.5 mV/mm/s ± 5% @ 80 Hz, 20°C, 100 kΩ load
• Frequency Range: 4 to 1000 Hz
• Natural Frequency: 4.5 Hz ± 0.75 Hz @ 20°C
• Vibration Amplitude: Up to 3000 μm peak-to-peak
• Maximum Acceleration: 10g continuous, 20g intermittent
• Transverse Sensitivity: 0.13 @ 110 Hz
• Damping Factor: ~0.56 @ 20°C
• Resistance: 1875 Ω ± 10%
• Inductance: ≤ 90 mH
• Active Capacity: < 1.2 nF
• Operating Temperature: -20°C to +100°C
• Protection Class: IP55
• Material: Aluminum alloy (Al Mg Si Pb F 28)
• Humidity Range: 0 to 100%, non-condensing

Features

• High Sensitivity: Accurately detects low-frequency vibrations for early fault detection
• Wide Frequency Range: Suitable for monitoring turbines, compressors, pumps, and fans
• Robust Construction: Built for industrial environments with IP55 protection
• Stable Output: Provides linear voltage signal proportional to vibration velocity
• Flexible Mounting: Compatible with various installation configurations
• Durable Materials: Corrosion-resistant aluminum alloy housing
• Self-Powered Operation: No external power supply required
• Global Application: Widely used in power generation, petrochemical, and heavy machinery sectors