Bently Nevada 77581-02 Digital Vector Filter

The Bently Nevada 77581-02 is a Digital Vector Filter 3 engineered for high-precision vibration signal analysis and filtering in rotating machinery. Designed for both rack-mounted and bench-top setups, it supports advanced diagnostic techniques to ensure machinery reliability and performance.

Manufactured in the USA, the 77581-02 provides accurate amplitude and phase data for condition monitoring, especially during machine startup, shutdown, or transient operations.

Key Features

• Real-Time Vibration Filtering: Captures and analyzes dynamic signals across a wide frequency range

• Multi-Input Support: Accepts proximity, velocity, and acceleration transducer signals

• 2-Channel Display: View two vibration signals simultaneously for comparative analysis

• Automatic Sweeping: Enables continuous evaluation during machine runup or coastdown

• Keyphasor Integration: Supports accurate speed tracking and phase angle measurement

• User-Friendly Controls: Includes menu keys, navigation pad, and RPM adjustment knob

• Flexible Mounting Options: Use on a bench or mount in an instrumentation rack

• Optical Interface: Ensures fast, isolated rear communication with monitoring systems

Technical Specifications