The Bently Nevada 3300/55 Dual Velocity Monitor is a core component within the 3300 machinery protection series. This module is engineered to monitor casing vibration velocity by interfacing with Velomitor piezo-velocity sensors. By providing two independent monitoring channels, the unit ensures continuous assessment of vibration levels, comparing incoming signals against pre-configured alarm setpoints to facilitate the protection of critical rotating equipment such as turbines, compressors, pumps, and motors.
This monitor is specifically designed for industrial environments where casing vibration is a key indicator of mechanical health. It is frequently deployed in power generation, petrochemical, and manufacturing facilities to safeguard large rotating assets from catastrophic failure through timely alarm and shutdown triggering.
| Model Number | 3300/55-03-01-15-15-00-00-01-00 |
| Brand | Bently Nevada |
| Input Type | Velomitor piezo-velocity sensors |
| Output Type | Dynamic vibration signals, 4-20 mA proportional |
| Relay Configuration | Dual relay outputs |
| Operating Temperature | 0 degC to +60 degC |
| Typical Power Consumption | 1.5 W |
This specific monitor (3300/55) is configured for use with Bently Nevada Velomitor piezo-velocity sensors.
Yes, the module includes dual relay outputs that are capable of driving Alert and Danger alarms, which can be used to initiate machinery trips.
The 4-20 mA output provides a proportional signal representing the measured velocity, allowing for easy integration with plant-wide DCS or PLC systems for remote monitoring and trend analysis.
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