Product Overview
The Emerson PR9268/201-000 is a high-performance electrodynamic velocity sensor designed for absolute vibration measurement in critical turbomachinery. Moreover, it provides precise case vibration monitoring to ensure operational safety and optimal equipment performance. In addition, its rugged construction withstands harsh industrial environments while maintaining consistent measurement accuracy.
Key Features & Functional Highlights
- High Sensitivity: 28.5 mV/mm/s (723.9 mV/in/s) sensitivity enables accurate vibration detection.
- Broad Frequency Range: Measures from 4 Hz to 1000 Hz for dynamic machinery applications.
- Mechanical Robustness: Handles up to 20 g peak-to-peak intermittent acceleration and 3000 µm vibration amplitude.
- Environmental Durability: Operates in temperatures from -20°C to +100°C with IP55 protection.
- Hazardous Area Approvals: ATEX II 1G and IECEx ia IIC T6/T4 certified for safety-critical installations.
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 (mechanical limit) |
| Amplitude Linearity | <2% |
| Maximum Acceleration | 10 g continuous, 20 g intermittent |
| Maximum 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 | PTFE, 3x 0.5 mm² |
| Armor | Stainless Steel |
| Connector | Harting Plug Die Cast Aluminium |
| Weight | 930 g |
Typical Applications & System Integration
The PR9268/201-000 velocity sensor is ideal for continuous vibration monitoring of turbomachinery. Therefore, it is extensively used in:
- Steam, Gas, and Hydro Turbines: Ensures safety and reliability through accurate case vibration detection.
- Compressors & Pumps: Monitors critical mechanical behavior under high-speed operation.
- Fans & Industrial Rotating Equipment: Detects dynamic vibration patterns for predictive maintenance.
Moreover, its hazardous area certifications enable installation in explosive atmospheres while maintaining consistent sensor performance.
Details
| Weight | 0.93 kg |
|---|
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