Overview
The PR9268/301-000 serves as a critical component for monitoring absolute vibration in heavy-duty industrial rotating machinery. This electrodynamic sensor by Emerson Epro utilizes a seismic mass and coil system to provide highly accurate measurements. Engineers frequently integrate the PR9268/301-000 into the AMS 6500 protection system to ensure reliable data acquisition. The robust construction allows the PR9268/301-000 to withstand harsh environments while maintaining a linear frequency response. Furthermore, this specific module offers high sensitivity to detect even minute velocity changes in turbines and pumps.
Specification
| Parameter | Specification | Notes |
|---|---|---|
| Sensor Type | Electrodynamic velocity sensor | Measures absolute vibration velocity |
| Model | PR9268/301-000 | Emerson Epro series |
| Sensitivity | 17.5 mV/mm/s | ±5% tolerance |
| Frequency Range | 14 – 1000 Hz | Operational range |
| Natural Frequency | 14 Hz ± 7% @ 20°C | Ensures linear response |
| Maximum Acceleration | 10g continuous, 20g intermittent | Suitable for heavy machinery |
| Maximum Transverse Acceleration | 2g | Limits lateral error |
| Transverse Sensitivity | <0.1 @ 80Hz | Minimizes cross-axis interference |
| Damping Factor | 0.6% @ 20°C | Controls resonance peak |
| Electrical Resistance | 1723 Ω ± 2% | Coil resistance |
| Coil Inductance | ≤90 mH | Standard operating range |
| Capacitance | <1.2 nF | Active sensor capacitance |
| Operating Temperature | -20°C to +100°C | Stable over wide range |
| Storage Temperature | -40°C to +120°C | For shipping and storage |
| Protection Class | IP65 | Dust-tight and water-resistant |
| Housing Material | Stainless Steel 316 | Corrosion-resistant |
| Cable Type | PTFE, 3x 0.5 mm² | Armored for mechanical protection |
| Cable Length | Customer-specified, standard 3 m | Custom lengths available |
| Connector | Harting plug | Standard industrial interface |
| Weight | 280 g (without cable) | Compact design for easy installation |
| Mounting | Threaded stud M8 | Flexible for multiple orientations |
| Output Signal | Velocity (mV/mm/s) | Analog output proportional to vibration |
| Application | Turbines, compressors, pumps | Suitable for critical rotating machinery |
| Compliance | RoHS, CE | Meets industrial standards |
FAQ
Q1: Is the PR9268/301-000 brand new and original?
A1: Yes, it is full new Emerson Epro original equipment.
Q2: How long is shipping?
A2: Orders ship within 3 days to 2 weeks depending on size.
Q3: Which logistics services are used?
A3: Commonly DHL and other reliable carriers.
Q4: What if the sensor has quality issues?
A4: Emerson Epro supports returns within 30 days.
Q5: Can it operate at high temperatures?
A5: The PR9268/301-000 works from -20°C to +100°C safely.
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