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The 3300/16-15-01-03-00-00-02 is a dual-channel radial vibration monitoring module for the Bently Nevada 3300 rack system. It is engineered to provide high-accuracy displacement measurements from proximity (eddy current) transducers. This module is critical for machinery protection on high-speed, fluid-film bearing assets, enabling real-time monitoring of shaft movement and preventing rotor-to-stator contact.
The “15” option denotes Danger Bypass and Internal Termination capabilities, allowing safe testing and calibration without initiating trips. Its dual-channel design supports XY radial pairs or two independent radial measurement points, making it ideal for orbit analysis and early detection of unbalance, misalignment, or oil whirl conditions.
| Specification | Description |
|---|---|
| Model Designation | 3300/16 |
| Full Part Number | 3300/16-15-01-03-00-00-02 |
| Measurement Type | Radial Vibration (Displacement) |
| Transducer Input | 3300 / 3300 XL Proximitor Systems (5mm, 8mm) |
| Input Channels | 2 independent channels (XY or dual) |
| Full-Scale Range | 0–200 µm or 0–5 mil peak-to-peak (configurable) |
| Accuracy | ±1% of full-scale |
| Relay Configuration | Dual-channel relays, epoxy/hermetic sealed (Option -03) |
| Analog Outputs | Dual 4-20 mA for DCS/PLC integration |
| Frequency Response | 4 Hz – 4000 Hz |
Centrifugal compressors
Steam turbines
Large motor-driven pumps
Oil & gas, power generation, and chemical processing plants
This module allows operators to observe shaft orbits and monitor vibration trends in real time, providing critical protection against catastrophic rotor-to-stator contact.
What does the Danger Bypass feature do?
Allows testing or calibration of sensors without initiating a machine trip. This ensures safe maintenance while the machine remains online.
Does the module include self-diagnostics?
Yes. The built-in “NOT OK” circuitry continuously monitors transducer bias. If a sensor fails or a cable disconnects, the OK LED turns off and the alarm/trip relays are inhibited to prevent false trips.
Why use dual-channel monitoring?
Enables XY shaft orbit analysis or redundant measurements at separate points, improving fault detection and machinery protection.