Overview
The Bently Nevada 3300/16-13-01-01-00-00-00, also cataloged as the 3300/16 Dual Vibration Monitor, operates as a dedicated hardware component for radial shaft vibration and gap measurement within the Bently Nevada 3300 Machinery Monitoring System.
Hardware Specifications
| Parameter | Specification |
|---|---|
| Model | Bently Nevada 3300/16-13-01-01-00-00-00 |
| Brand | Bently Nevada |
| Origin | USA |
| Product Type | Dual Vibration Monitor Module |
| System Platform | Bently Nevada 3300 Machinery Monitoring System |
| Measurement Function | XY radial vibration and DC gap monitoring |
| Input Channels | 2 independent proximity probe channels |
| Transducer Compatibility | 3300 8 mm, 3300 XL 8 mm, 7200 5 mm and 8 mm Proximitor systems |
| Input Sensitivity | 200 mV/mil, 7.87 mV/um |
| Input Impedance | 10 kOhm nominal |
| Full Scale Range | 0 to 150 um peak-to-peak metric scale |
| Signal Outputs | 4-20 mA DC recorder outputs and buffered dynamic outputs |
| Alarm Outputs | Dual epoxy-sealed Alert and Danger relay contacts |
| Diagnostic Function | OK circuit for probe and wiring fault monitoring |
| Rack Position | 1 full slot in Bently Nevada 3300 rack |
| Operating Temp | -20 deg C to +65 deg C |
| Storage Temp | -40 deg C to +85 deg C |
| Relative Humidity | Up to 95%, non-condensing |
| Weight | Not specified in available technical data |
| Dimensions | 1-slot 3300 rack module format |
Eddy-Current Probe Scaling and Rotor Dynamics Monitoring
The 3300/16 module processes eddy-current probe signals from Bently Nevada proximity transducer systems and converts shaft displacement signals into vibration and gap measurements. It maintains the required probe scaling relationship between the transducer output and shaft movement. Therefore, the monitor provides consistent vibration amplitude calculation for rotating machinery analysis.
The module also supports rotor dynamics evaluation by measuring XY vibration behavior from two independent channels. Additionally, the circuit monitors DC gap voltage conditions to validate probe operation. Proper probe installation normally requires gap voltage verification, with Bently Nevada systems commonly using -10 VDC target values for probe positioning checks.
The monitor uses buffered signal outputs to support external diagnostic equipment. Furthermore, the OK circuit identifies probe circuit faults, wiring problems, or transducer failures before these conditions create incorrect machinery protection responses.
Frequently Asked Questions
Q: What type of proximity probes can the Bently Nevada 3300/16-13-01-01-01-00-00 accept?
A: The module accepts Bently Nevada 3300 8 mm, 3300 XL 8 mm, and 7200 series 5 mm and 8 mm proximity transducer systems with the specified 200 mV/mil scaling.
Q: Does the 3300/16 module provide direct machinery trip functions?
A: Yes. The module includes Alert and Danger relay outputs that can initiate protection actions when configured vibration thresholds are exceeded.
Q: How does the module detect probe faults?
A: The module uses an OK circuit to monitor probe and wiring conditions. It identifies abnormal transducer loop conditions and prevents invalid measurement signals from being treated as normal operation.
Field Installation Guidelines
- Install the module in an available Bently Nevada 3300 System Rack slot according to rack configuration requirements.
- Connect proximity probe inputs using properly shielded cables to reduce electrical interference and signal distortion.
- Maintain correct probe polarity and wiring termination to preserve vibration and gap measurement accuracy.
- Verify probe gap voltage before commissioning the monitoring channel. Bently Nevada proximity systems typically use -10 VDC as a common installation reference point.
- Route signal wiring separately from high-voltage power cables and switching circuits to minimize electromagnetic coupling.
- Confirm buffered outputs, recorder outputs, and alarm relay wiring before placing the machinery protection system into service.
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