Emerson EPRO PR9268/617-100-N Electrodynamic Velocity Sensor

Description

The PR9268/617-100-N  is a mechanical spring-mass sensor designed for absolute vibration measurement in critical turbomachinery applications such as steam, gas, and hydro turbines, compressors, pumps, and fans, specifically to measure case vibration.

Features

• Sensor Orientation: Omni Directional
• Sensitivity: 17.5 mV/mm/s
• Frequency Range: 14 to 1000 Hz
• Natural Frequency: 4.5 Hz ± 0.75 Hz @ 20°C (68°F)
• Transverse Sensitivity: < 0.1 @ 80 Hz
• Vibration Amplitude: ± 500 μm
• Amplitude Linearity: < 2%
• Maximum Acceleration:
  • Continuous: 10g (98.1 m/s²)
  • Intermittent: 20g (196.2 m/s²)
• Maximum Transverse Acceleration: 2g (19.62 m/s²)
• Damping Factor: ~0.6% @ 20°C (68°F)
• Resistance: 1723 Ω ± 2%
• Inductance: ≤ 90 mH
• Active Capacity: < 1.2 nF

Specifications

• Power: Self-Powered
• Operating Temperature Range: -20 to +100°C (-4 to 212°F)
• Protection Class: IP65
• Relative Humidity: 0 to 100%, Non-Condensing
• Material:
  • Sensor: Stainless Steel
  • Cable: PTFE, 3x 0.5mm²
  • Armor: Stainless Steel
  • Harting Plug: Die Cast Aluminium
• Weight: 280g (without cable)