EPRO PR9268/617-100 Electrodynamic Velocity Sensor

Overview

The EPRO PR9268/617-100 is an electrodynamic velocity sensor designed for absolute vibration measurement in critical turbomachinery applications. It is ideal for monitoring steam, gas, and hydro turbines, as well as compressors, pumps, and fans. This sensor ensures reliable performance for case vibration monitoring, making it a crucial tool in various industrial environments.

Key Features

Highly Accurate: The EPRO PR9268/617-100 provides precise vibration measurements for critical turbomachinery components.
Multiple Orientations: The sensor is available in various orientations, ensuring flexibility for different installation needs.
Durable and Reliable: Built to withstand the harsh conditions of industrial machinery, this sensor maintains high performance over time.

Sensor Orientation Options

The EPRO PR9268/617-100 offers several orientation options for different installation requirements:

PR9268/01x-x00: Directional
PR9268/20x-x00: Vertical, +60°
PR9268/30x-x00: Horizontal, +30°
PR9268/60x-x00: Vertical, +30° (without lifting current), Vertical, +60° (with lifting current)
PR9268/70x-x00: Horizontal, +10° (without lifting current), Horizontal, +30° (with lifting current)

This range of orientations provides flexibility for various mounting configurations and allows for optimized measurement.

Dynamic Performance (PR9268/01x-x00)

The EPRO PR9268/617-100 delivers exceptional dynamic performance, providing accurate measurements for vibration levels in critical machinery.

Feature	Specification
Sensitivity	17.5 mV/mm/s
Frequency Range	14 to 1000 Hz
Natural Frequency	14 Hz ± 7% @ 20°C (68°F)
Transverse Sensitivity	< 0.1 @ 80 Hz
Vibration Amplitude	500 µm peak-to-peak
Amplitude Linearity	< 2%
Maximum Acceleration	10g (98.1 m/s²) continuous, 20g (196.2 m/s²) intermittent
Maximum Transverse Acceleration	2g (19.62 m/s²)
Damping Factor	~0.6% @ 20°C (68°F)
Resistance	17230 + 2%
Inductance	< 90 mH
Active Capacity	< 1.2 nF

Applications

The EPRO PR9268/617-100 is perfect for applications that demand accurate and reliable vibration measurement:

Turbomachinery: Steam, gas, and hydro turbines
Industrial Pumps: Monitoring case vibration to ensure proper operation
Compressors and Fans: Detecting vibrations and ensuring machinery health

Installation & Maintenance

The EPRO PR9268/617-100 is designed for easy installation and minimal maintenance. Its robust construction makes it ideal for challenging industrial environments. The sensor is highly resistant to wear and tear, offering long-term reliability.

Conclusion

The EPRO PR9268/617-100 electrodynamic velocity sensor is a versatile and reliable solution for vibration monitoring in critical turbomachinery applications. With its wide frequency range, high sensitivity, and durable design, this sensor ensures accurate measurements to optimize machinery performance and prevent unexpected failures.