The Bently Nevada™ 3500/64M Dynamic Pressure Monitor is a single-slot, four-channel module designed to accept input from high-temperature pressure transducers and use this data to drive alarms. Each channel provides one measured variable—bandpass dynamic pressure. Using the 3500 Rack Configuration Software, you can configure the bandpass corner frequencies as well as an additional notch filter. The monitor also provides a recorder output for integration with control system applications.
The primary purpose of the 3500/64M Dynamic Pressure Monitor is to deliver machinery protection by continuously comparing monitored parameters against configured alarm setpoints, along with providing essential machine information for operations and maintenance personnel. Each channel conditions its input signal to generate measured variables, and users can configure both alert and danger setpoints for each active variable.
Applications
The 3500/64M is widely applied in turbomachinery and industrial equipment where dynamic pressure fluctuations indicate critical mechanical or combustion behavior. Typical applications include:
- Gas turbines for detecting combustion instability or pulsation
- Compressors and pumps to identify surge, cavitation, or abnormal flow dynamics
- Boilers and furnaces for monitoring pressure resonance or instability
- High-temperature process equipment requiring real-time protective alarming
- R&D and performance testing environments where dynamic pressure behavior is essential for diagnostics
By providing configurable bandpass and notch filtering, high-temperature transducer compatibility, and continuous alarm comparison, the 3500/64M supports both protection and diagnostic functions across a wide range of industrial pressure-based monitoring applications.
Here is a quick tour of the 3500/64M from front to back—basically, what you see on the faceplate versus where the actual wiring happens.
Key Components
- Status LEDs
- Buffered Transducer Outputs
- I/O Module with Internal Terminations
- I/O Module with External Terminations
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Available Part Numbers
| 330730-080-12-00 |
330709-000-050-10-02-00 |
330703-000-040-10-11-00 |
| 330730-080-02-00 |
330708-00-10-90-02-00 |
330703-000-040-10-02-00 |
| 330730-080-01-00 |
330705-02-18-90-02-00 |
330500-03-00 |
| 330730-040-01-00 |
330705-02-18-10-02-00 |
330500-02-00 |
| 330730-040-00-05 |
330703-050-120-10-02-00 |
330500-00-20 |
| 330730-040-00-00 |
330703-000-100-10-02-00 |
330500-00-00 |
| 330709-050-120-10-02-00 |
330703-000-080-10-02-00 |
330400-01-05 |
| 330709-000-120-10-02-00 |
330703-000-070-10-02-00 |
330194-17-25-15-00 |
| 330709-000-070-10-02-00 |
330703-000-060-50-12-00 |
330190-080-01-00 |
| 330709-000-060-10-02-00 |
330703-000-060-10-02-CN |
330190-045-01-CN |