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

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

Technical Specifications

• Manufacturer: Bently Nevada – a trusted leader in machinery protection systems.
• Model: 3500/42-04-02 – Proximitor Seismic Monitor with internal barriers.
• I/O module type: 04 = I/O Module with internal barriers, internal terminations, 4 x Prox/Accel.
• Hazardous area approval: 02 = ATEX/IECEx/CSA (Class 1, Zone 2).
• Power consumption: 7.7 watts typical for efficient operation.
• Input impedance: 10 kΩ for Proximitor and acceleration inputs.
• Transducer power supply: -24 Vdc for powering connected sensors.

Signal Conditioning & Frequency Response

• Radial Vibration direct filter: user-programmable -3dB at 4 Hz to 4000 Hz or 1 Hz to 600 Hz, ±1% accuracy.
• Gap filter: -3 dB at 0.09 Hz for DC gap measurement.
• Not 1X filter: 60 cpm to 15.8 times running speed with -34.9 dB minimum rejection.
• 1X and 2X vector filter: Constant Q filter with -57.7 dB minimum rejection.
• Accuracy (direct and gap): within ±0.33% of full-scale typical, ±1% maximum.
• Smax accuracy: within ±5% maximum for peak value measurements.
• Important: Not 1X accuracy is ±3% for speeds below 30,000 cpm, ±8.5% above 30,000 cpm.

Outputs & Connectivity

• Buffered transducer outputs: one coaxial connector per channel on the front panel, short-circuit protected.
• Output impedance: 550 Ω for buffered outputs, 300 Ω for shaft absolute outputs.
• Recorder outputs: +4 to +20 mA, proportional to monitor full-scale, with 0 to 600 Ω load capability.
• Recorder resolution: 0.3662 µA per bit, ±0.25% error at room temperature, ±0.7% over full temperature range.
• Update rate: approximately 100 ms or less for real-time monitoring.
• Voltage compliance: 0 to +12 Vdc range across the load for current outputs.

Frequently Asked Questions (FAQ)

• Q: Is this module brand new or used?
  A: This 3500/42-04-02 is brand new, factory-sealed, and fully tested by Bently Nevada.
• Q: What does the internal barrier option provide?
  A: The internal barriers provide intrinsic safety for connecting sensors in ATEX/IECEx/CSA Zone 2 hazardous areas.
• Q: Can I use this monitor with velocity sensors?
  A: Yes, it supports velocity inputs with multiple sensitivity options for different applications.
• Q: What is the difference between direct and gap filters?
  A: Direct filter provides vibration frequency response; gap filter provides DC gap measurement for position monitoring.
• Q: How many channels does this monitor provide?
  A: This module accepts from 1 to 4 transducer inputs on channels 1 through 4.

Contact Information Inquiries: sales@nex-auto.com , +86 153 9242 9628

Partner NexAuto Technology Limited : https://www.nex-auto.com/