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The Bently Nevada 3300/35-04-02-01-00-00 is a dedicated 6-channel temperature monitoring module designed for the 3300 Series rack-based monitoring system. This unit provides reliable, continuous thermal surveillance of critical rotating machinery components, including bearings, stator windings, and equipment casings, supporting predictive maintenance and automated protection strategies.

Features

  • Six independent input channels for high-density monitoring.
  • Versatile sensor support including RTD (Pt100, Pt1000) and thermocouple (J, K, T types) configurations.
  • Integrated alarm management with dedicated relay outputs for Alert and Danger status conditions.
  • Analog outputs provided in both 4-20 mA and 1-5 VDC formats for integration with external control systems.
  • Front-panel LED indicators for immediate visual status of OK, Bypass, Alert, and Danger states.

Applications

This monitor is engineered for critical plant assets such as industrial gas and steam turbines, large centrifugal compressors, and heavy-duty motors where precise temperature tracking is vital to preventing mechanical failure.

Technical Specifications

Model 3300/35-04-02-01-00-00
Inputs 6 Channels (RTD/Thermocouple)
Outputs 4-20 mA, 1-5 VDC, Relay (Alert/Danger)
Power Consumption ~2 W
Operating Temperature -35 degC to +65 degC
Series 3300

Installation Guidelines

  • Ensure the 3300 rack is powered down before inserting or removing the module to prevent electrical damage.
  • Verify that all sensor wiring is properly shielded and grounded to minimize electromagnetic interference (EMI).
  • Maintain adequate airflow around the 3300 rack to ensure operation within the specified -35 degC to +65 degC range.
  • Confirm that input sensor types (RTD vs. Thermocouple) are correctly configured in the software/hardware jumpers as per site requirements.
  • Handle with standard ESD precautions to protect internal circuitry.

FAQ

Does this module support both Pt100 and thermocouples?

Yes, this specific configuration supports both RTDs (Pt100, Pt1000) and J, K, and T type thermocouples across its six channels.

What is the primary function of the relay outputs?

The relay outputs are designed to trigger external trip or alarm systems when the monitored temperature exceeds pre-configured Alert or Danger setpoints.

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