3500/42M-01-00 Bently Nevada - Proximitor Seismic Monitor

Bently Nevada 3500/42M-01-00 Proximitor Seismic Monitor

Technical Specifications

• Manufacturer: Bently Nevada – a trusted leader in machinery protection.
• Model: 3500/42M-01-00 – Proximitor Seismic Monitor with internal terminations.
• I/O module type: 01 = Prox/Seismic I/O Module with internal terminations.
• Transducer type: Seismoprobe (Prox/Accel and Velomitor supported but not recommended).
• Hazardous area approval: 00 = none (standard version).
• 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.

Measurement Capabilities & Sensitivity

• Radial Vibration: 3.94 mV/μm (100 mV/mil) or 7.87 mV/μm (200 mV/mil).
• Thrust: 3.94 mV/μm (100 mV/mil) or 7.87 mV/μm (200 mV/mil).
• Eccentricity: 3.94 mV/μm (100 mV/mil) or 7.87 mV/μm (200 mV/mil).
• Differential Expansion: 0.394 mV/μm (10 mV/mil) or 0.787 mV/μm (20 mV/mil).
• REBAM: 40 mV/μm (1000 mV/mil) or 80 mV/μm (2000 mV/mil).
• Acceleration: 10 mV/(m/s²) (100 mV/g) for direct acceleration measurement.
• Velocity: 20 mV/(mm/s) pk or 5.8 mV/(mm/s) pk or 4 mV/(mm/s) pk – selectable options.
• Shaft Absolute: multiple sensitivity options for radial vibration, direct, and velocity outputs.

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.

Environmental & Physical Data

• Operating temperature: -30°C to +65°C (-22°F to +150°F).
• Storage temperature: -40°C to +85°C (-40°F to +185°F).
• Humidity: 95% non-condensing for reliable operation in harsh conditions.
• Main module dimensions: 241.3 x 24.4 x 241.8 mm (H x W x D).
• Weight: 0.91 kg (2.0 lb) – lightweight and rack-friendly.

Installation & Ordering Notes

• This 3500/42M-01-00 uses internal termination I/O modules – no external termination blocks needed.
• For Seismoprobe applications, this module provides optimal performance and compatibility.
• Consult a qualified Bently Nevada representative for complex application setups.
• Warning: short circuits on recorder outputs do not affect monitor operation – this design ensures system reliability.

Package Contents

• 1 × 3500/42M-01-00 Proximitor Seismic Monitor Main Module
• 1 × I/O Module with internal terminations (pre-installed)
• User manual and configuration guide
• Mounting screws and accessory kit

Shipping & Returns

• Stock status: we keep this 3500/42M-01-00 in stock and ready to ship.
• Dispatch time: we ship within 5 business days after receiving your order.
• Carriers: we use FedEx, UPS, and DHL for fast global delivery.
• Returns: we accept returns within 30 days from delivery, subject to our return policy.

Frequently Asked Questions (FAQ)

• Q: Is this module brand new or used?
  A: This 3500/42M-01-00 is brand new, factory-sealed, and fully tested by Bently Nevada.
• Q: What transducer types does this module support?
  A: It primarily supports Seismoprobe sensors. Prox/Accel and Velomitor are supported but not recommended.
• 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 depending on your configuration.

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

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