77581-02 | Bently Nevada | Digital Vector Filter 3 (DVF 3)
Manufacturer: Bently Nevada
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Part Number: 77581-02
Condition：New with Original Package
Product Type: Digital Vector Filter 3 (DVF 3)
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Country of Origin: USA
Payment:T/T, Western Union
Shipping port: Xiamen
Warranty: 12 months
Bently Nevada 77581-02 – Digital Vector Filter 3 (DVF 3)
Overview
The Bently Nevada 77581-02 Digital Vector Filter 3 is a precision data acquisition and signal processing module built for advanced vibration diagnostics. It captures dynamic signals during runup, coastdown, and steady-state operation, making it essential for evaluating rotor response, detecting cracks, and performing balancing procedures.
With support for proximity probes, velocity transducers, and accelerometers, this module ensures broad compatibility across industrial machinery. Additionally, its Keyphasor® input provides accurate phase reference for in-depth shaft dynamics analysis.
Technical Specifications
| Feature | Specification |
|---|---|
| Model Number | 77581-02 |
| Manufacturer | Bently Nevada |
| Type | Digital Vector Filter 3 (DVF 3) |
| Input Channels | 2 vibration inputs + 1 Keyphasor input |
| Supported Sensors | Proximity probes, velocity transducers, accelerometers |
| Keyphasor Input | Once-per-revolution pulse (optical, proximity, strobe) |
| Measured Parameters | Amplitude, phase angle, shaft speed |
| Signal Processing | Digital filtering synchronized to shaft speed |
| Use Case | Rotor dynamics, transient monitoring, vibration analysis |
| Mounting | Rack or panel-mounted |
| System Integration | Works with Bently Nevada monitoring systems |
| Primary Applications | Turbines, compressors, motors, rotating machinery |