Emerson EPRO PR9268/201-000 Electrodynamic Velocity Sensor

Description

The PR9268/201-000 is a mechanical velocity sensor designed for absolute vibration measurement in critical turbomachinery applications such as steam, gas, and hydro turbines, compressors, pumps, and fans, specifically for measuring case vibration.

Features

• Sensitivity: 28.5 mV/mm/s (723.9 mV/in/s) at 80 Hz/20°C/100 kOhm
• Measurement Range: ± 1,500µm (59,055 µin)
• Frequency Range: 4 to 1,000 Hz (240 to 60,000 cpm)
• Operating Temperature Range: -20 to 100°C (-4 to 212°F)
  

Specifications

• Sensitivity: 28.5 mV/mm/s (723.9 mV/in/s)
• Frequency Range: 4 to 1000 Hz
• Natural Frequency: 4.5Hz ± 0.75Hz @ 20°C (68°F)
• Transverse Sensitivity: 0.13 (PR9268/20x-x00) @ 110Hz
• Vibration Amplitude (Mechanical Limit): 3000μm (4000μm) peak-peak
• Maximum Acceleration: 10g (98.1 m/s²) peak-peak continuous, 20g (196.2 m/s²) peak-peak intermittent
• Resistance: 1875Ω ± 10%
• Inductance: ≤ 90 mH
• Active Capacity: < 1.2 nF
• Protection Class: IP55
• Material: Al Mg Si Pb F 281
• Cable Material: PTFE, 3x 0.5mm²
• Armor Material: Stainless Steel
• Harting Plug Material: Die Cast Aluminium
• Weight: 280g (without cable)