The Bently Nevada 330425-02-05, also cataloged as the 330425-02-05 Accelerometer, operates as a dedicated hardware component for sensing seismic acceleration within industrial machine monitoring platforms.
| Parameter | Specification |
|---|---|
| Model | 330425-02-05 |
| Brand | Bently Nevada |
| Origin | USA |
| Dimensions | Standard 330425 housing |
| Operating Temp | Standard industrial range |
| Power Consumption | Loop-powered via monitor |
| Mounting Thread | 1/4-28 UNF |
The 330425-02-05 transducer converts mechanical acceleration into a low-level electrical signal for processing by a vibration monitor. Unlike eddy-current probes that utilize gap voltage validation (-10 VDC targets), this accelerometer relies on piezoelectric charge conversion. To maintain signal fidelity, it is necessary to employ proper cross-talk suppression by using high-quality shielded cabling to mitigate electromagnetic interference. The mounting interface must be rigid and free of debris to prevent high-frequency attenuation, ensuring that the detected casing vibration accurately reflects the rotor dynamics of the monitored machinery.
Q: Does the 330425-02-05 require an external power supply?
A: No, the sensor is loop-powered by the Bently Nevada vibration monitor or compatible interface module. It receives its operating current directly through the signal cable.
Q: Can this sensor be mounted on a curved surface?
A: A flat, machined mounting surface is required to ensure a rigid coupling. Mounting on a curved surface will result in improper torque distribution and degradation of the high-frequency response.
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