Overview

The PR9268/301-000 is an electrodynamic velocity sensor from EPRO, optimized for horizontal orientation. This sensor delivers accurate vibration measurements in various industrial applications, ensuring reliable performance even in challenging conditions.

Features

• Horizontal Orientation: Operates effectively within ±10° without lifting or sinking current.
• High Sensitivity: Offers sensitivity of 28.5 mV/mm/s (723.9 mV/in/s).
• Wide Frequency Range: Measures vibrations from 4 to 1000 Hz.
• Low Transverse Sensitivity:
  • 0.13 for PR9268/20x-x00 at 110 Hz
  • 0.27 for PR9268/30x-x00 at 110 Hz
• Mechanical Limits: Handles vibration amplitudes up to 3000 µm (4000 µm peak-to-peak).

Technical Specifications

• Natural Frequency: 4.5 Hz ± 0.75 Hz at 20°C (68°F)
• Amplitude Linearity: Less than 2%
• Maximum Acceleration:
  • Continuous: 10 g (98.1 m/s²) peak-to-peak
  • Intermittent: 20 g (196.2 m/s²) peak-to-peak
• Maximum Transverse Acceleration: 2 g (19.62 m/s²)
• Damping Factor: ~0.56 at 20°C (68°F), ~0.42 at 100°C (212°F)
• Resistance: 1875 Ω ± 10%
• Inductance: ≤ 90 mH
• Active Capacity: Less than 1.2 nF

Environmental & General

• Power Source: Self-powered
• Operating Temperature Range: -20 to +100°C (-4 to 212°F)
• Protection Class: IP55
• Relative Humidity: 0 to 100%, non-condensing

Material

• Composition: Al Mg Si Pb F 28

Dimensions & Weight

• Weight: 930 g