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Description

The Bently Nevada 3300/40-13-01-01-00-00 is a dedicated Eccentricity Monitor Module engineered for the 3300 rack-based monitoring system. This module provides precise, continuous measurement of shaft displacement, specifically focusing on eccentricity and rotor bow in large-scale rotating equipment such as industrial turbines and compressors. By tracking shaft behavior during slow-roll conditions, the module facilitates early detection of potential misalignment or mechanical issues, supporting effective predictive maintenance strategies and operational safety.

Features

  • Designed for integration into the standard 3300 series monitoring rack.
  • Provides continuous monitoring of shaft eccentricity with programmable alarm setpoints.
  • Includes dedicated LED indicators for system status, including OK, Bypass, Alert, and Danger states.
  • Supports proximity probe inputs via compatible Proximitor sensors.
  • Features user-programmable sensitivity settings (200 mV/mil or 100 mV/mil).
  • Equipped with standard relay outputs for automated Alert and Danger alarm signaling.

Technical Specifications

Model 3300/40-13-01-01-00-00
Brand Bently Nevada
Series 3300
Operating Temperature 0 to 60 deg C
Power Consumption Approx. 1.5 W
Signal Accuracy ±0.33% typical (at 25 deg C)
mA Output +4 to +20 mA
Voltage Output +1 to +5 VDC / 0 to -10 VDC

Installation Guidelines

  • Ensure the 3300 rack is powered down before inserting or removing the module to prevent electrical damage.
  • Verify that the module is fully seated in the rack slot to ensure proper backplane communication.
  • Use shielded cabling for all proximity probe connections to minimize EMI interference.
  • Ensure the module is installed in a clean, dry environment within the specified operating temperature range of 0 to 60 deg C.
  • Follow standard electrostatic discharge (ESD) precautions when handling the module circuitry.

FAQ

What is the primary function of the 3300/40 monitor?

The 3300/40 is designed to measure shaft eccentricity, which helps identify rotor bow and slow-roll displacement in rotating machinery, allowing operators to prevent catastrophic failure through early alarm detection.

Is this module compatible with existing 3300 racks?

Yes, this is a standard 3300 series module designed for seamless integration into existing Bently Nevada 3300 rack-based monitoring systems.

What are the typical output signals for this unit?

The module provides both current outputs (+4 to +20 mA) and voltage outputs (+1 to +5 VDC or 0 to -10 VDC) to interface with external control or data acquisition systems.

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