You are here:
SKU: 350500-00-00-00-11-00

Bently Nevada 350500-00-00-00-11-00 Dynamic Pressure Charge Amplifier

The Bently Nevada 350500-00-00-00-11-00 is a specialized Dynamic Pressure Charge Amplifier for the 3500 Series system. It converts high-impedance piezoelectric signals for combustion monitoring, offering a wide -40°C to +120°C temperature range and superior EMI resistance for turbine protection.

Product Overview and Core Functionality

The Bently Nevada 350500-00-00-00-11-00 serves as a high-precision signal conditioning interface within the 3500 Series machinery protection architecture. This Dynamic Pressure Charge Amplifier converts high-impedance charge signals from piezoelectric pressure transducers into low-impedance voltage signals that the monitor modules can process. By performing this critical conversion, the module enables the system to track combustion instability and pressure pulsations in real-time. This functionality proves indispensable for maintaining the structural integrity of gas turbines and large-scale centrifugal compressors.

Technical Specifications

  • Manufacturer: Bently Nevada
  • Model Number: 350500-00-00-00-11-00
  • Module Type: Dynamic Pressure Charge Amplifier
  • System Compatibility: Bently Nevada 3500 Series / TSI
  • Input Requirements: High-impedance charge from piezoelectric sensors
  • Operating Temperature Range: -40°C to +120°C
  • Physical Weight: 0.24 kg
  • Product Dimensions: 8.8 cm x 3.6 cm x 7 cm
  • Safety Compliance: CE, UL, and ISO 9001
  • Country of Origin: USA

Operational Advantages and Industry Application

Industrial facilities utilize the 350500-00-00-00-11-00 primarily for Combustion Dynamics Monitoring (CDM). Because piezoelectric sensors generate a charge that degrades over long distances, this amplifier boosts the signal at the source to prevent data loss. Furthermore, the unit features a ruggedized enclosure that effectively shields sensitive measurements from electromagnetic interference (EMI) and moisture. These characteristics allow the amplifier to deliver stable performance in the extreme heat and high-vibration environments typical of power generation plants and oil refineries.

Installation and System Maintenance

Engineers typically mount this charge amplifier in close proximity to the pressure sensor to maximize signal-to-noise ratios. The standardized design integrates seamlessly with existing Bently Nevada 3500 racks, which facilitates rapid installation and straightforward calibration. Moreover, the module supports proactive maintenance strategies by providing early detection of pressure fluctuations that could indicate burner issues or blade fatigue. Its active status in the Bently Nevada catalog ensures long-term availability of spare parts and technical support for critical Turbine Supervisory Instrumentation (TSI) systems.