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The 3300/16-12-01-01-00-00-00 is a dual-channel proximity probe monitor designed for the legacy Bently Nevada 3300 Monitoring System by Baker Hughes - Bently Nevada.
This module monitors radial vibration and DC gap voltage, providing essential protection data for rotating machinery. By tracking probe-to-shaft gap voltage, it helps detect:
Bearing wear
Shaft position shift
Structural misalignment
Mechanical instability
Integrated Alert and Danger alarms ensure automatic protection, while front-panel bar graphs provide immediate visual status of vibration and gap levels.
| Parameter | Specification |
|---|---|
| Model | 3300/16 |
| Full Configuration | 3300/16-12-01-01-00-00-00 |
| Monitoring Type | Dual-channel radial vibration or average gap |
| Input Compatibility | 5 mm and 8 mm Proximitor systems |
| Alarm Setpoints | Alert & Danger with 0.1–60 s delay |
| Recorder Output | 4–20 mA per channel |
| Display | Dual front-panel bar graphs |
| Operating Temperature | -30°C to +65°C |
| Power Source | 3300 rack power supply |
Centrifugal and axial compressors
Steam and gas turbines
Large motors and generators
High-speed pumps and gearboxes
What does a “NOT OK” LED indicate?
It signals a transducer circuit fault such as a disconnected probe, damaged extension cable, or improper gap voltage.
Why monitor gap voltage?
Gap voltage represents probe-to-shaft distance. Changes can indicate bearing wear or alignment issues before vibration levels exceed alarm limits.