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3500/42-04-02

Bently Nevada 3500/42-04-02 | Proximitor Seismic Monitor

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  • Manufacturer: Bently Nevada

  • Product No.: 3500/42-04-02

  • Product Type: Proximitor Seismic Monitor

  • Product Origin: USA

  • Payment:T/T, Western Union

  • Weight: 910g

  • Shipping port: Xiamen

  • Warranty: 12 months

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Product Overview

The 3500/42-04-02 is a high-precision 4-channel monitor designed for critical machinery protection. It processes signals from proximity and seismic transducers to monitor radial vibration, thrust position, and eccentricity. This module ensures real-time protection and automated shutdown for turbines, compressors, and other essential rotating assets in industrial environments.

Technical Configuration

  • Internal Barriers (Option 04): Includes built-in safety barriers for direct field connection, eliminating the need for external isolators and reducing cabinet footprint.
  • Hazardous Area (Option 02): Certified for ATEX/IECEx/CSA Zone 2, ensuring compliant operation in potentially explosive atmospheres.

Technical Specifications

Feature Details
Inputs 4 Channels (Prox, Accel, or Velocity)
Power Consumption 7.7 Watts (Typical)
Accuracy ±0.33% of full-scale (Typical)
Output Signal 4-20 mA per channel + Buffered Raw Signal
Update Rate 100 ms or less

Installation & Maintenance

  • Gap Voltage Alignment: Use front-panel buffered outputs to calibrate the probe gap (typically -10 Vdc) for optimal linear measurement.
  • Safety Compliance: Strictly follow Intrinsic Safety (IS) wiring protocols when connecting field sensors to the internal barrier I/O.
  • Noise Reduction: Ensure cable shields are grounded only at the 3500 rack to prevent ground loops from interfering with seismic data.

Engineering Advantages

  • Integrated Safety: The "04" option integrates the barrier and termination, simplifying the signal chain and increasing reliability.
  • Robust Filtering: Advanced 4-pole filters ensure high noise rejection, preventing false trips in electrically noisy power plants.
  • Live Diagnostics: Front-panel BNC connectors allow for immediate FFT analysis without disturbing the machine protection loop.

Technical FAQs

Q1: Can I mix different sensor types on one module?

A1: Yes, each of the four channels is independently programmable to accept proximity, velocity, or acceleration inputs.

Q2: What is the purpose of the Buffered Output?

A2: It provides a raw, unconditioned signal for external diagnostic equipment that does not interfere with the monitor’s internal alarm logic.

Q3: Is this module compatible with older 3300 series probes?

A3: Yes, it is fully compatible with 3300 XL series and most standard Bently Nevada transducers.

Product Resources

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🏷️ Tags: Proximitor Seismic Monitor
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Anonymous

Bought the 3500/42-04-02 monitor. Brand new, fair price, shipped fast. No issues.

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