990-08-XX-01 990 Bently Nevada

990-08-XX-01 990 Bently Nevada Filter Modules

Product  Description：

• Bently Nevada filter modules are components used within Bently Nevada's machinery protection and condition monitoring systems. These modules are designed to process and condition signals from various transducers (like accelerometers, velocity sensors, and proximity probes) to extract specific frequency components or filter out unwanted noise. This allows for accurate analysis of machine vibration and the detection of developing faults. Different types of filter modules are available, each tailored for specific filtering requirements and measurement parameters.

  Key Functions

  • Signal Conditioning: Preparing raw signals from transducers for further analysis.
  • Noise Reduction: Filtering out unwanted frequencies or electrical noise.
  • Frequency Selection: Isolating specific frequency components related to machine operation or fault frequencies (e.g., 1X RPM, 2X RPM, blade pass frequency).
  • Signal Integration/Differentiation: Converting acceleration signals to velocity or displacement, or vice versa.
  • Specialized Filtering: Implementing advanced filtering techniques like band-pass, high-pass, low-pass, notch, and tracking filters.

  Product Parameters (Typical)

  • Filter Type: Direct, Gap, Not 1X, Smax, 1X/2X Vector, Constant Q Notch, High-Pass, Low-Pass, Band-Pass, Tracking.
  • Frequency Range: The range of frequencies the filter can operate within (e.g., 1 Hz to 4000 Hz, based on running speed).
  • Cut-off Frequencies: Specific frequencies at which the filter starts to attenuate the signal.
  • Roll-off Rate: The rate at which the filter attenuates signals beyond the cut-off frequency (e.g., dB per octave).
  • Filter Order (Poles): Determines the steepness of the filter's roll-off.
  • Accuracy: The precision with which the filter processes the signal.
  • Input Impedance: The impedance presented to the incoming signal.
  • Output Impedance: The impedance of the filtered output signal.
  • Power Consumption: The electrical power required to operate the module.
  • Operating Temperature: The range of ambient temperatures the module can function within.

  Product Advantages

  • Enhanced Signal Analysis: Isolates critical frequency components for accurate diagnostics.
  • Improved Fault Detection: Early identification of developing faults by focusing on relevant vibration signatures.
  • Noise Immunity: Reduces the impact of extraneous noise on vibration measurements.
  • Flexibility: Offers a variety of filter types to suit different machine types and applications.
  • Integration: Seamlessly integrates with Bently Nevada's machinery protection and condition monitoring systems.
  • Software Configurability: Many filter parameters can be configured through the Bently Nevada system software for customized analysis.

  Precautions

  • Compatibility: Ensure the filter module is compatible with the specific Bently Nevada monitoring system and transducer types being used.
  • Configuration: Proper configuration of filter parameters (e.g., cut-off frequencies, filter type) is crucial for accurate results. Refer to the system manual and application notes for guidance.
  • Signal Overloading: Avoid overloading the input signal to the filter module, which can lead to distorted outputs.
  • Environmental Conditions: Operate the module within its specified environmental limits for temperature and humidity.
  • Grounding: Ensure proper grounding of the monitoring system to minimize electrical noise.
  • Calibration: Periodically calibrate the entire monitoring chain, including the filter modules, to maintain accuracy.
  • Handling: Handle filter modules with care to avoid physical damage to the components. Refer to the installation manual for proper handling procedures.

  Product Applications

  Bently Nevada filter modules are used in a wide array of industrial applications for machinery protection and condition monitoring, including:

  • Rotating Machinery: Monitoring vibration in turbines, compressors, pumps, motors, gearboxes, and fans.
  • Power Generation: Analyzing vibration in critical power plant equipment.
  • Oil & Gas: Monitoring the health of rotating assets in refineries and pipelines.
  • Petrochemical: Analyzing vibration in process machinery.
  • Manufacturing: Monitoring the condition of critical production equipment.
  • Aerospace: Analyzing vibration in aircraft engines and other rotating components.

  Typical Applications

  • Using a 1X RPM filter to track the unbalance of a rotor.
  • Employing a blade pass frequency filter to detect issues with turbine blades or fan impellers.
  • Utilizing a high-pass filter to isolate high-frequency vibration associated with bearing faults.
  • Implementing a band-pass filter to focus on a specific frequency range related to a known machine component issue.
  • Using a tracking filter to analyze vibration components that change with the machine's running speed.

The structure and details of the product：

Our services：

Shipping Port:  China

Payment: Bank of Chicago, Bank of Singapore

Express cooperation: fedex, DHL, UPS and your express account

Service: Professional Sales provides 24 hours /7 days online service

Warranty: one year

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Our main products include DCS control system spare parts, PLC system spare parts, and robot system spare parts. Our advantageous brands include Allen Bradley, Bently Nevada, ABB, HIMA, Reliance, Bender, National Instruments, Emerson Ovation, Honeywell, Siemens, Allen Bradley, ICS Triplex, FOXBORO, Schneider, GE Fanuc, Motorola, HIMA, Prosoft, and other imported industrial components. Our main products serve a wide range of electronic, metallurgical, chemical, and power plants Industries such as steel mills, rubber, cement, machinery and equipment, and construction.