Description
The Bently Nevada 3300/55 Dual Velocity Monitor is a high-performance rack-based module engineered for casing vibration monitoring. By interfacing directly with Velomitor piezo-velocity sensors, this unit provides two independent channels of continuous velocity measurement. It is designed for critical machinery protection, including turbines, compressors, pumps, and large motors, ensuring reliable alarm and trip functionality in industrial environments.
Features
- Dual-channel configuration for independent velocity monitoring.
- Direct compatibility with Velomitor piezo-velocity sensors.
- Integrated alarm setpoint comparison for Alert and Danger status.
- Proportional 4-20 mA output for integration with external control systems and data acquisition.
- Rack-mounted design for seamless integration into 3300 series protection systems.
Applications
This module is primarily utilized in rotating machinery protection systems. It provides essential casing vibration data to prevent mechanical failure in industrial assets such as centrifugal compressors, steam turbines, gas turbines, and large industrial pumps.
Technical Specifications
| Model Number |
3300/55-01-04-18-18-00-00-05-00 |
| Manufacturer |
Bently Nevada |
| Module Type |
Dual Velocity Monitor |
| Input Compatibility |
Velomitor Piezo-Velocity Sensors |
| Output Signals |
Dynamic vibration, 4-20 mA proportional |
| Power Consumption |
Approx. 1.5 W |
| Operating Temperature |
0 degC to +60 degC |
Installation Guidelines
- Ensure the 3300 rack is powered down before inserting or removing the module to prevent electrical damage.
- Verify that the module is seated correctly in the rack slot to ensure proper backplane connectivity.
- Use shielded cabling for all sensor inputs to minimize electromagnetic interference (EMI) in high-noise industrial areas.
- Ensure proper grounding of the rack system according to local electrical codes to maintain signal integrity.
- Confirm that all configuration jumpers and settings match the specific requirements of the connected sensors and alarm logic.
FAQ
What does the 3300/55 monitor?
This module monitors casing vibration velocity using piezo-velocity sensors to detect mechanical issues in rotating equipment.
Does this module include intrinsic safety barriers?
No, the '00' barrier option in this specific model code indicates standard input configuration without integrated intrinsic safety barriers.
Can this module output to a PLC?
Yes, the module provides a 4-20 mA proportional output that can be wired into a PLC or DCS for remote monitoring and data logging.
