Product Overview

The 3300/16-04-01-00-01 serves as a high-integrity signal processing interface within the Bently Nevada 3300 Series Machinery Protection System. This two-channel instrument is engineered to translate raw input from non-contacting proximity transducers into precise radial displacement measurements. By tracking the peak-to-peak motion of rotating shafts relative to their bearings, it provides a critical safety layer for high-speed industrial assets. The module is specifically designed to detect mechanical anomalies such as rotor unbalance, shaft bowing, and oil whirl. When vibration levels exceed pre-set safety limits, the unit’s integrated logic triggers automatic alarms or machinery shutdowns, effectively preventing catastrophic equipment failure and reducing unplanned downtime.

Electromechanical Attributes and System Data

This specific iteration of the 3300/16 is built for accuracy in high-interference environments, providing localized diagnostics and standardized analog outputs.

• Model Number | 3300/16-04-01-00-01

• Measurement Configuration | Continuous Dual-Channel Radial Vibration

• Full-Scale Span | 0 to 10 mils (approx. 250 µm) peak-to-peak

• Frequency Response | 4 Hz to 4,000 Hz (Standard 240 to 240,000 cpm)

• Transducer Support | Compatible with 3300 and 3300 XL 8mm Proximitor systems

• Analog Transmission | Independent 4-20 mA DC recorder outputs for each channel

• External Diagnostics | Front-panel BNC connectors for raw dynamic signal buffering

• Local Interface | Integrated digital LCD for vibration value and alarm status tracking

• Environmental Approval | Rated for Class 1, Division 2 hazardous area installations (Option -01)

• Physical Mass | 1.00 kg

• Unit Dimensions | 15.0 cm x 10.0 cm x 5.0 cm

• Alarm Logic | Programmable Alert and Danger setpoints with relay integration

Industry-Specific Utility and Scenarios

Power Generation and Rotor Dynamics

In thermal power facilities, this monitor is vital for tracking X-Y orthogonal shaft motion in steam turbines. It allows engineers to monitor bearing health and rotor stability, ensuring the plant operates within safe vibration tolerances during varying load conditions.

Hydrocarbon Processing and Compression

High-speed centrifugal compressors in petrochemical plants utilize the 3300/16 to mitigate risks associated with surge or fluid-film instabilities. The module's immediate trip logic provides a fail-safe shutdown path to protect the compressor's internal components.

Water and Wastewater Infrastructure

Large-scale boiler feed pumps and vertical water turbines benefit from the 3300/16's continuous surveillance. It identifies shaft misalignment or mechanical looseness early, allowing for scheduled maintenance rather than emergency repairs.

Predictive Maintenance and Fault Diagnostics

The buffered BNC outputs allow diagnostic teams to perform detailed frequency analysis without disturbing the protective loop. This is essential for identifying specific mechanical fault signatures such as blade-pass frequencies, rubs, or structural resonances during routine machinery health audits.

FAQ

Q: Can the 3300/16-04-01-00-01 be used with 5mm proximity probes?

A: While primarily designed for 8mm proximity systems, compatibility depends on the specific scale factor of the transducer. You should verify that the Proximitor sensor sensitivity matches the 200 mV/mil (7.87 V/mm) input calibration of this module.

Q: What is the purpose of the 4-20 mA output?

A: These outputs provide a standardized analog signal proportional to the vibration level. They are typically used to send real-time data to a Distributed Control System (DCS) or PLC for remote monitoring and long-term data trending.

Q: Is it possible to use only one channel on this dual monitor?

A: Yes. If your application only requires one measurement point, the 3300/16 can operate with a single channel active. However, the unused channel should be properly terminated or configured to avoid "Not OK" status alarms.

Q: Does this monitor require an external power supply?

A: The 3300/16 draws its operating power directly from the 3300 series rack backplane, which is energized by a 3300/10 or 3300/12 power supply module.

Q: How does the hazardous area rating (Option -01) affect installation?

A: The -01 option indicates the module is certified for use in Class 1, Division 2 environments. This ensures the hardware meets safety standards for areas where flammable gases or vapors may occasionally be present.