The Bently Nevada 3300/55 Dual Velocity Monitor is a high-performance, rack-based module engineered for the 3300 Series monitoring system. This unit provides continuous, reliable measurement of casing vibration velocity, specifically designed to interface with Velomitor piezo-velocity sensors. By processing two independent channels, the module ensures robust machinery protection through real-time vibration analysis and alarm setpoint comparison.
Features
Dual-channel architecture for independent velocity monitoring.
Optimized for integration with Velomitor piezo-velocity sensors.
Integrated alarm management with dedicated relay outputs for Alert and Danger status conditions.
Provides proportional 4-20 mA outputs for integration into external control or data acquisition systems.
Front-panel LED indicators providing immediate visual status for OK, Bypass, Alert, and Danger states.
Configured for hazardous area compatibility with intrinsic safety barriers.
Technical Specifications
Model Number
3300/55-01-04-02-02-03-00-05-00
Series
Bently Nevada 3300
Input Channels
2 x Velomitor piezo-velocity sensors
Operating Temperature
0 degC to +60 degC
Power Consumption
1.5 W typical
Relay Outputs
Alert and Danger alarm relays
Analog Outputs
4-20 mA proportional
Installation Guidelines
Ensure the 3300 rack is powered down before inserting or removing the monitor module.
Confirm proper grounding of the rack assembly to minimize electrical noise interference.
Verify that all field wiring is shielded and routed away from high-voltage cables or high-EMI sources to maintain signal integrity.
Observe ESD safety protocols when handling the module to prevent damage to internal circuitry.
Ensure the module is fully seated in the rack slot and that the front-panel connectors are securely fastened.
FAQ
What type of sensors does this monitor support?
This specific model (3300/55) is designed to operate with Velomitor piezo-velocity sensors.
Does this module include alarm relays?
Yes, the unit features dual relay outputs configured for both Alert and Danger alarm conditions.
Is this module suitable for hazardous locations?
This unit includes an intrinsic safety barrier configuration, making it suitable for specific hazardous environment installations as defined by the suffix code.
