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- Bently Nevada
- 3500/42M 176449-02+138708-01
- Preamplifier Seismic Monitor + I/O Module
- USA
- 241.3 x 24.4 x 241.8 mm
- 0.91 kg
- Xiamen, China
- New & In Stock
- T/T, PayPal, Western Union
- 1 Year
- 1-3 Working Days
- DHL, UPS, TNT, FedEx and EMS.
- 24-Hour Service
- COO
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Global Logistics
We have a 10-year logistics and express cooperation agreement, so our products can be shipped to any place in the world.
Brand new and original
Our products are imported in bulk from the place of origin. Because of the cooperative relationship, our products are all original and 100% new.
24-hour service
We provide 7*24 hours service to our customers. We will be there whenever you need us.
Price advantage
All our products are priced very favorably because we have our own warehouse and supply.
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Product Overview
The Bently Nevada 3500/42M (176449-02 + 138708-01) is a high-precision Preamplifier Seismic Monitor combined with an Axis Absolute I/O Module, designed for advanced machinery protection and condition monitoring systems. As part of the Bently Nevada 3500 Series, this configuration integrates powerful signal amplification with accurate axis position and vibration signal interfacing.
This combination delivers enhanced signal conditioning, improved data accuracy, and stable communication between sensors and monitoring systems. It is especially suitable for industrial environments where both vibration monitoring and precise shaft position measurement are critical.
Technical Specifications
| Parameter | Details |
|---|---|
| Manufacturer | Bently Nevada |
| Model | 3500/42M |
| Configuration | 176449-02 + 138708-01 |
| Product Type | Preamplifier Seismic Monitor + Axis Absolute I/O Module |
| Function | Signal amplification and axis position I/O interface |
| Signal Input | Seismic, vibration, and absolute position sensors |
| Signal Processing | Amplification, filtering, conditioning, and signal conversion |
| I/O Module | 138708-01 for axis absolute signal interface |
| Dimensions | 241.3 × 24.4 × 241.8 mm |
| Weight | 0.91 kg |
| Installation | Rack-mounted (3500 system rack) |
| Power Supply | Backplane-powered |
| Output Capability | Conditioned signals for monitoring and control systems |
| Application | Machinery protection, vibration monitoring, and shaft position tracking |
| Operating Environment | Industrial-grade, continuous operation |
Function and Working Principle
The 176449-02 + 138708-01 module configuration combines seismic signal amplification with axis position signal processing.
Its operation includes:
- Receiving low-level signals from seismic and vibration sensors
- Amplifying signals via the preamplifier module (176449-02)
- Processing absolute position signals through the I/O module (138708-01)
- Filtering noise and stabilizing signal output
- Delivering accurate and conditioned data to monitoring systems
This integrated design ensures both vibration and position data are processed with high accuracy and reliability.
Role in Industrial Control Systems
Within the Bently Nevada 3500 system, this module combination plays a critical role in multi-parameter monitoring.
Its key functions include:
- Enhancing seismic and vibration signal quality
- Supporting precise axis and shaft position monitoring
- Enabling real-time diagnostics and fault detection
- Providing reliable data for protection and control systems
- Improving overall system accuracy and operational safety
It ensures that both dynamic and positional parameters are continuously monitored.
Industrial Applications
The Bently Nevada 3500/42M (176449-02 + 138708-01) is widely used in industries requiring comprehensive monitoring:
- Power generation systems (turbines and generators)
- Oil and gas production and processing
- Petrochemical and refining facilities
- Compressor and rotating machinery systems
- Heavy industrial manufacturing
- Precision equipment monitoring applications
Its dual-function capability makes it ideal for complex and critical machinery systems.
Installation and System Integration
Proper installation ensures optimal performance:
- Installed in a Bently Nevada 3500 rack chassis
- Connected to seismic, vibration, and position sensors
- Integrates signal amplification and axis monitoring functions
- Requires proper configuration and calibration
- Powered via the rack backplane
- Supports modular and scalable system design
This configuration simplifies integration while maintaining high monitoring accuracy.
Compatible System Components
This module works within a complete monitoring ecosystem and is compatible with:
- Seismic and vibration sensors
- Absolute position probes and transducers
- Proximity probes and displacement sensors
- 3500 monitoring and relay modules
- Rack chassis and power supply units
Together, these components form a comprehensive machinery protection system.
Recommended Alternative Models
| Model | Type | Key Feature | Application |
|---|---|---|---|
| 128229-01 | I/O Module | Standard interface | General monitoring systems |
| 135489-01 | I/O Module | Stable signal conditioning | Standard applications |
| 135489-03 | I/O Module | Enhanced signal processing | High-demand environments |
| 140471-01 | I/O Module | Internal termination | Simplified wiring setups |
| 140482-01 | I/O Module | External terminals | Flexible wiring configurations |
Key Advantages
- Integrated seismic monitoring and axis position processing
- High-precision signal amplification and conditioning
- Supports multi-parameter machinery monitoring
- Strong noise reduction and signal stability
- Seamless compatibility with Bently Nevada 3500 systems
- Enhances predictive maintenance and diagnostics
- Reliable performance in continuous industrial environments
- Improves overall system safety and operational efficiency
Technical FAQs
What is the main function of this module combination?
It amplifies seismic signals and processes axis position data for accurate monitoring.
What makes this configuration unique?
It combines vibration monitoring with absolute position tracking in a single integrated solution.
What sensors are supported?
It supports seismic, vibration, and absolute position sensors.
Where is it typically used?
It is used in turbines, compressors, and other critical rotating machinery systems.
Conclusion
The Bently Nevada 3500/42M (176449-02 + 138708-01) Preamplifier Seismic Monitor + Axis Absolute I/O Module is a powerful and versatile solution for industrial machinery monitoring. Its ability to handle both vibration and position data ensures comprehensive system insight and improved operational reliability.
As part of the Bently Nevada 3500 Series, it enhances monitoring accuracy, supports predictive maintenance, and delivers dependable performance in demanding industrial applications.