Bently Nevada 330016-12-01-01-00-00-00

Product Name: Bently Nevada 3300/16 XY/Gap Dual Vibration Monitor

Product Introduction: The 330016-12-01-01-00-00-00 (model 3300/16) is a dual-channel vibration and shaft position monitor from the Bently Nevada 3300 series. It continuously measures radial vibration and average shaft position (gap) via two independent proximity probe inputs to protect rotating machinery.

Category:
Description
Technical Specifications:
  • Measurement channels: 2 independent channels
  • Vibration range: 0 to 10 mils peak-to-peak displacement
  • Frequency range: 1 Hz to 10 kHz; programmable options of 4-4000 Hz or 1-600 Hz
  • Operating temperature: -40°C to +125°C
  • Output options: 4-20 mA analog, 0-10 VDC or 1-5 VDC voltage output, alarm relay contacts
  • Power supply: Programmable -24 Vdc or -18 Vdc
  • Sensor compatibility: 3300 series, 3300 XL 8 mm, 7200 series Proximitor sensors (200 mV/mil)

    Functional Features:

  • Simultaneous radial vibration and shaft position (gap) monitoring on two axes
  • User-programmable frequency response and output scaling
  • Independent alert and danger alarm thresholds per channel
  • Optional relay module for alarm output and machine trip
  • Gap voltage test points for probe health verification
  • Standard 3300 series rack mounting compatibility

    Application Scenarios:

  • Steam turbines and electrical generators
  • Centrifugal compressor trains
  • Fluid-film bearing pump monitoring
  • Rotating machinery vibration protection
  • Shaft alignment and wear condition monitoring

    Performance Parameters:

  • High linearity across full measurement range
  • Programmable frequency response matched to machine type
  • Fast-acting relay outputs for machinery protection
  • Low temperature drift across operating range

    Material & Structure:

  • Circuit board: Eurocard-format PCB with front panel
  • Front panel: Metal faceplate with LED indicators and test points
  • Backplane connector for rack integration
  • Shielded design for electrical noise immunity

    Working Principle: The monitor receives signals from two proximity probes, which output voltage proportional to the distance between probe tip and shaft surface. It processes these signals to extract dynamic vibration (AC component) and static shaft position (DC gap) measurements. When measurements exceed user-programmed thresholds, it triggers alarm relays for warning and machinery shutdown.

    Installation Requirements:

  • Install in designated slot of 3300 series rack
  • Connect proximity probe systems per wiring specifications
  • Configure jumpers for power supply voltage and output type
  • Ensure proper rack grounding and shielding
  • Perform calibration after installation to match sensor system

    Usage Notes:

  • The 1-600 Hz frequency range is not recommended for machines with acceleration/deceleration rates exceeding 1000 rpm/s
  • Periodically verify gap voltage to confirm probe integrity
  • Replace relay modules if contact degradation is detected
  • Follow ESD handling procedures during installation and service
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