Bently Nevada 3300/55-01-04-12-12-00-00-05-00 Dual Velocity Monitor

The Bently Nevada 3300/55 is a Dual Velocity Monitor designed for continuous, online vibration monitoring in industrial rotating machinery. As part of the Bently Nevada 3300 Series Monitoring System, it ensures machine protection and condition monitoring with high precision and reliability. More importantly, the 3300/55 accepts inputs from Velomitor®, High Temperature Velomitor Systems (HTVS), and Velocity Seismoprobe® transducers, eliminating the need for interface modules.

Key Features:

• Continuous, Online Machinery Monitoring for real-time diagnostics
• Dual Velocity Inputs for simultaneous monitoring of two channels
• Compatible with Velomitor®, HTVS, and Velocity Seismoprobe® Transducers
• User-Configurable High- and Low-Pass Filter Options to enhance flexibility
• Jumper-Selectable Sensitivity (100 mV/in/s, 145 mV/in/s, 500 mV/in/s) to accommodate different applications
• Adjustable Alarm Setpoints (Alert and Danger levels) for enhanced protection
• Integrated LCD Display for immediate status updates
• API 670 Compliance ensures industry-standard machine protection

Technical Specifications

Inputs:

• Transducer Support: Velomitor®, HTVS, Velocity Seismoprobe®
• Sensitivity: 500 mV/in/s, 145 mV/in/s, or 100 mV/in/s (jumper-programmable)
• Power Consumption: 1.5 Watts, making it energy-efficient

Signal Conditioning:

• Frequency Response (Without Filters):
  • Velocity Seismoprobe®: 3 – 10,000 Hz, providing a wide detection range
  • HTVS & Velomitor®: 3 – 3,000 Hz, optimized for specific applications
• High-Pass Filter Range: 3 – 400 Hz (user-selectable) for better noise control
• Low-Pass Filter Range: 24 – 3,000 Hz (user-selectable) to remove unwanted frequencies
• Filter Quality:
  • High-pass: 2-pole (40 dB/decade, 12 dB/octave) for sharp filtering
  • Low-pass: 2-pole (40 dB/decade, 12 dB/octave) for effective signal shaping
• Accuracy:
  • ±0.33% of full-scale (typical) ensures high precision
  • ±1% maximum (without trip multiply) provides reliability
  • ±3% maximum (with 3X Trip Multiply active) accounts for high-sensitivity scenarios

Outputs:

• Recorder Output Options:
  • +4 to +20 mA, offering compatibility with industrial systems
  • 0 V to -10 VDC, suitable for various monitoring setups
  • +1 VDC to +5 VDC, ensuring flexibility in data recording
• Voltage Compliance (Current Outputs): 0 to +12 VDC (0 to 600 Ω load)
• Buffered Transducer Outputs:
  • Available on front panel (coaxial) and rear panel (terminal connection) for convenience
  • Jumper-programmable for filtered/unfiltered output, depending on needs
  • Supports velocity or displacement measurements for diverse applications

Alarm System:

• Adjustable Alert and Danger Setpoints: 0 to 100% of full-scale, ensuring customizable protection
• Relay Output Options: Epoxy-sealed (Velomitor®), improving durability
• Alarm Relay Modules: One relay module required per 3300 System, ensuring system integrity

Display & Indicators:

• LCD Display: 63-segment vertical bargraph per channel for clear visualization
• LED Indicators:
  • Green (OK): System and transducer health status at a glance
  • Red (Bypass): Indicates Danger Bypass, Channel Bypass, or Trip Multiply Mode
  • Flashing LED Alerts: Provide immediate feedback on errors or status changes

Environmental Specifications:

• Operating Temperature: 0°C to +65°C (32°F to +150°F) for industrial environments
• Storage Temperature: -40°C to +85°C (-40°F to +185°F) for long-term durability
• Relative Humidity: Up to 95%, non-condensing, ensuring stability

Ordering Information (3300/55-01-04-12-12-00-00-05-00)