77581-02 Bently Nevada Digital Vector Filter (DVF 3)

Specifications

  • Manufacturer: Bently Nevada

  • Product No.: 77581-02

  • Condition： 10 Items in Stock

  • Product Type: Digital Vector Filter (DVF 3)

  • Product Origin: USA

  • Payment:T/T, Western Union

  • Weight: 800g

  • Shipping port: Xiamen

  • Warranty: 12 months

Product details

Description

Bently Nevada 77581-02 – Digital Vector Filter 3

Product Overview

The Bently Nevada 77581-02 is a high-performance Digital Vector Filter 3 (DVF 3) designed for vibration signal filtering and advanced data acquisition. It captures dynamic vibration signals during machine runup, coastdown, and steady-state operation, enabling precise diagnostics. This module is widely applied in power generation, petrochemical, and aerospace industries for rotor response analysis, shaft crack detection, and balancing applications.

Technical Specifications

Feature Specification
Model Number 77581-02
Manufacturer Bently Nevada (Baker Hughes)
Product Type Digital Vector Filter (DVF 3)
Function Vibration signal filtering and data acquisition
Inputs 3 × BNC connectors (vibration + Keyphasor signals)
Outputs 3 × BNC filtered signal outputs
Sensor Compatibility Proximity, velocity, and acceleration transducers
Keyphasor Input Supports once-per-revolution pulse for phase and speed reference
Display 2-channel simultaneous display
User Interface Alphanumeric display, menu keys, keypad, RPM adjustment knob
Analysis Tools Bodé plots, polar plots, sweep frequency plots
Tracking Filter Bandwidth Adjustable from 12 to 120 cycles per minute (cpm)
Units Supported Metric and English
Mounting Options Rack-mounted or bench-top installation
Rear Panel Interface Optical interface
Dimensions (H × W × D) 33 × 25 × 4 cm
Weight 0.8 kg
Origin USA
Certification CE certified

 

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