Description
BENTLY 135489-04 Product Documentation
1. Product OverviewThe
BENTLY 135489-04 is a high-performance Proximitor I/O module designed for machinery health monitoring in industrial applications. As part of the
BENTLY 3500/40M series, this module integrates seamlessly with BENTLY’s advanced monitoring systems to provide real-time vibration and displacement measurements, ensuring proactive maintenance and reliable machine operation. With its rugged design and advanced signal processing capabilities, the
135489-04 supports critical industries such as oil and gas, power generation, and manufacturing.
2. Key Technical Parameters
Parameter |
Specification |
Channels |
4 independent channels |
Input Range |
±100 mV |
Sampling Rate |
Up to 20 kHz |
Signal Bandwidth |
0.1–10 kHz |
Alarm Thresholds |
Up to 16 user-programmable setpoints |
Operating Temperature |
-40°C to +70°C |
Compatibility |
BENTLY 3500 series systems, proximity sensors, seismic monitors |

3. Advantages and Features
- High Precision and Reliability: Equipped with digital signal processing (DSP) and internal barriers, the 135489-04 minimizes noise interference and ensures accurate data acquisition even in harsh environments.
- Flexible Configuration: Supports user-programmable alarm thresholds and buffered sensor outputs, enabling tailored monitoring for specific machinery needs.
- Compact Design: Lightweight and space-efficient, it simplifies installation and maintenance in industrial control systems.
- Wide Temperature Range: Operates reliably across extreme temperatures, making it suitable for demanding industrial settings.
4. Application Areas and Case Studies
The 135489-04 excels in industries requiring continuous machinery health monitoring, including:
- Manufacturing: Rotating equipment such as pumps and motors.
- Energy: Gas turbines and generators in power plants.
- Oil and Gas: Compressors and drilling machinery.
Case Study:
A major petrochemical plant in Texas integrated the 135489-04 into its 3500 monitoring system to track vibrations in centrifugal pumps. The module’s early fault detection capabilities reduced unplanned downtime by 30%, saving over $200,000 annually.
5. Competitive Comparison
Compared to standard I/O modules, the 135489-04 offers:
- Faster Sampling: 20 kHz vs. typical 10 kHz in comparable products.
- Enhanced Safety: Built-in barriers for hazardous area compliance.
- Easier Integration: Plug-and-play compatibility with BENTLY’s 3500 series.

6. Selection Recommendations
- Compatibility: Ensure compatibility with existing BENTLY 3500 systems and sensors.
- Environment: Choose modules with appropriate temperature ratings for your operational conditions.
- Scalability: Consider the number of channels needed for future expansions.
7. Installation and Maintenance Notes
- Safety: Follow API 670 standards for installation in hazardous environments.
- Calibration: Regularly verify sensor alignment and signal integrity.
- Upgrades: Use BENTLY’s official software for firmware updates and configuration changes.
山西鑫业达国际贸易有限公司 is your trusted partner for
BENTLY 135489-04 and other automation spare parts. Visit
www.xydcontrol.com or contact us for sales and technical support.
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