Product Overview

The Bently Nevada 3300/16-03-01-00-00-00-00 is a robust, two-channel machinery protection instrument engineered for the continuous surveillance of radial shaft vibration. As a cornerstone of the 3300 series, this monitor transforms signals from non-contacting proximity probes into high-precision displacement data. It is specifically designed to provide a fail-safe hardware layer for critical assets, measuring the dynamic motion of a rotating shaft within its bearing. By monitoring peak-to-peak vibration levels in real-time, it allows plant operators to identify mechanical instability—such as unbalance, shaft bowing, or fluid-film issues—enabling automatic machinery shutdown before catastrophic damage occurs.

Hardware Parameters and Key Technical Characteristics

This configuration of the 3300/16 monitor is optimized for higher displacement ranges and features specialized analog conditioning to filter out industrial electrical noise.

• Model Identification: 3300/16-03-01-00-00-00-00

• Measurement Type: Dual-channel Radial Vibration (Peak-to-Peak displacement)

• Full-Scale Range: 0 to 10 mils (Option -03) or equivalent 250 µm metric scaling

• Transducer Compatibility: Fully compatible with 3300 and 3300 XL 8mm proximity transducer systems

• Input Frequency Range: Standard 4 Hz to 4,000 Hz (240 to 240,000 cpm)

• Analog Interface: Two independent 4-20 mA DC outputs proportional to the vibration level

• Front Panel Diagnostics: Buffered raw dynamic signals accessible via coaxial BNC connectors for spectral analysis

• Visual Display: High-visibility digital LCD for simultaneous tracking of both channels and alarm status

• Protection Logic: Dual-level Alert and Danger relays with user-programmable setpoints

• Safety Approvals: CSA/NRTL/C certified for Class 1, Division 2 hazardous environments (Option -01)

• Weight & Dimensions: 1.00 kg; 15 cm x 10 cm x 5 cm

Operational Use Cases and Industrial Applications

The 3300/16-03-01-00-00-00-00 is a primary choice for high-capital rotating equipment across the petrochemical, power, and mining sectors.

• Thermal Power Plants: Monitoring X-Y orthogonal shaft vibration in steam turbines to ensure rotor stability and detect bearing wear.

• Petrochemical Compressors: Providing immediate trip protection for high-speed centrifugal compressors during surge or overloading events.

• Heavy Industrial Pumps: Continuous surveillance of large boiler feed pumps to prevent internal mechanical contact.

• Cooling Tower Fans: Detecting shaft misalignment or blade unbalance in gear-driven cooling fan assemblies.

• Hydroelectric Facilities: Tracking low-frequency vibration and runout in vertical or horizontal water turbines.

The buffered BNC outputs on this module are essential for predictive maintenance teams, allowing them to connect portable analyzers and identify specific fault signatures like oil whirl, rub, or blade-pass frequencies without interrupting the protection loop.