Product Overview
The Emerson PR9268/202-000 is a high-precision electrodynamic velocity sensor designed for absolute vibration measurement in critical industrial machinery. Moreover, it ensures reliable case vibration detection, improving operational safety and equipment performance. In addition, its robust construction withstands harsh environmental conditions typical in turbines, compressors, and pumps.
Key Features & Functional Highlights
- Sensor Orientation: Vertical ±30°, ensuring consistent measurements under various mounting conditions.
- Dynamic Performance: Sensitivity of 28.5 mV/mm/s (723.9 mV/in/s) with 4–1000 Hz frequency range.
- Mechanical Limits: Handles continuous 10 g and intermittent 20 g peak-to-peak acceleration.
- Environmental Durability: Operates between -20°C and +100°C with IP55 protection against contaminants.
- Electrical Characteristics: Resistance 1875 Ω ±10%, inductance ≤90 mH, and active capacity <1.2 nF.
Technical Data
| Parameter | Specification |
|---|---|
| Sensor Orientation | Vertical ±30° |
| Sensitivity | 28.5 mV/mm/s (723.9 mV/in/s) |
| Frequency Range | 4–1000 Hz |
| Natural Frequency | 4.5 Hz ±0.75 Hz @ 20°C |
| Transverse Sensitivity | 0.13 @ 110 Hz |
| Vibration Amplitude | 3000 µm peak-to-peak |
| Amplitude Linearity | <2% |
| Max Acceleration | 10 g continuous, 20 g intermittent |
| Max Transverse Acceleration | 2 g |
| Damping Factor | ~0.56 @ 20°C, ~0.42 @ 100°C |
| Resistance | 1875 Ω ±10% |
| Inductance | ≤90 mH |
| Active Capacity | <1.2 nF |
| Operating Temperature Range | -20°C to +100°C |
| Protection Class | IP55 |
| Relative Humidity | 0–100%, non-condensing |
| Material | Al Mg Si Pb F28 |
| Cable | Armored, 8 m |
| Connector | Harting Plug |
| Weight | 930 g |
Typical Applications & System Integration
The PR9268/202-000 is ideal for precise vibration monitoring in industrial environments. Therefore, it is widely used in:
- Steam, Gas, and Hydro Turbines: Ensures safe and reliable turbine operation.
- Compressors and Pumps: Monitors critical mechanical vibration patterns.
- Fans and Rotating Equipment: Detects dynamic displacement for predictive maintenance.
Moreover, its robust design allows seamless integration into existing turbomachinery monitoring systems.
Details
| Weight | 0.93 kg |
|---|
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