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BENTLY 123M4610 Velocity Transducer
Product Overview
The BENTLY 123M4610 is a high-precision velocity transducer engineered for continuous monitoring of rotational equipment in industrial automation systems. As a critical component of Bently Nevada’s machinery protection portfolio, this transducer converts mechanical vibrations into electrical signals for analysis, enabling predictive maintenance and fault detection in turbines, compressors, and generators. The 123M4610 integrates seamlessly with BENTLY’s 3500 Series monitoring systems, delivering reliable velocity measurements to support operational safety and efficiency across oil & gas, power generation, and manufacturing sectors.
Designed with a rugged piezoelectric sensor element, the BENTLY 123M4610 captures vibration velocities ranging from 0.1 to 100 in./sec (2.54 to 2540 mm/sec) with ±1% accuracy, ensuring precise data acquisition even in high-vibration environments. Its hermetically sealed enclosure (IP67-rated) and stainless-steel construction protect against dust, moisture, and corrosive elements, making it suitable for harsh industrial settings. The transducer’s low-output impedance and built-in signal conditioning minimize noise interference, while its compatibility with standard 2-wire installations simplifies integration into existing monitoring networks.
In automation ecosystems, the 123M4610 serves as the front-end sensor for vibration analysis, feeding real-time velocity data to monitoring systems for trend analysis and alarm activation. Its wide frequency response (10 to 10,000 Hz) enables detection of various fault signatures, from bearing wear to mechanical imbalance. By providing actionable insights into equipment health, this transducer helps reduce unplanned downtime, extend component lifespan, and optimize maintenance schedules in mission-critical applications.
Technical Specifications
| Parameter Name | Parameter Value |
|---|---|
| Product Model | 123M4610 |
| Manufacturer | Bently Nevada |
| Product Type | Velocity Transducer |
| Sensing Element | Piezoelectric ceramic |
| Measurement Range | 0.1–100 in./sec (2.54–2540 mm/sec) |
| Frequency Response | 10–10,000 Hz |
| Output Signal | 2–10 V peak-to-peak (unamplified) |
| Sensitivity | 100 mV/(in./sec) (4 mV/(mm/sec)) |
| Physical Dimensions | 38 mm (diameter) × 76 mm (length) |
| Weight | 0.45 kg |
| Operating Temperature | -40°C to +121°C |
| Mounting | Threaded mounting (1/2-20 UNF or M14×1.5) |
| Environmental Rating | IP67, NEMA 4X |
| Shock Resistance | 1000 g (11 ms) |
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Key Features and Advantages
High-Accuracy Vibration Measurement: The 123M4610 provides precise velocity readings with ±1% accuracy, enabling early detection of subtle mechanical issues. Its wide frequency response captures both low-frequency imbalance and high-frequency bearing defects, supporting comprehensive machinery health analysis.
Rugged Industrial Design: The transducer’s hermetically sealed stainless-steel housing and IP67 rating protect against harsh environmental factors, including water immersion, dust, and corrosive gases. This durability ensures reliable performance in offshore platforms, refineries, and other challenging environments.
Easy Integration: With a standard threaded mount and 2-wire connectivity, the 123M4610 simplifies installation in existing monitoring systems. Its compatibility with BENTLY’s 3500 Series and third-party data acquisition systems reduces integration complexity and costs.
Low Noise and High Reliability: The built-in signal conditioning and low-output impedance minimize electromagnetic interference, ensuring clean vibration signals. The transducer’s piezoelectric design eliminates moving parts, reducing wear and enhancing long-term reliability.
Wide Operational Range: Capable of operating from -40°C to +121°C, the 123M4610 suits both ambient and high-temperature applications, such as turbine casings and engine compartments. Its shock resistance (1000 g) further ensures durability in high-impact environments.
Application Areas
The BENTLY 123M4610 is essential for vibration monitoring in industries where equipment reliability is critical:
- Oil & Gas: Monitors compressors, pumps, and turbines in refineries, pipelines, and offshore platforms to detect misalignment, bearing wear, or cavitation, preventing costly shutdowns.
- Power Generation: Installed on steam turbines, generators, and auxiliary equipment in thermal and nuclear plants to maintain grid stability and optimize energy production.
- Manufacturing: Used in high-speed rotating machinery like motors, fans, and conveyor systems to ensure production continuity and product quality in automotive, chemical, and food processing facilities.
- Mining: Deployed on crushers, mills, and ventilation systems to monitor equipment health in harsh mining environments, reducing downtime and maintenance costs.
Specific applications include:
- Bearing Condition Monitoring: Detects early signs of bearing degradation by analyzing velocity waveforms, allowing proactive replacement before catastrophic failure.
- Imbalance Detection: Identifies rotational imbalance in turbines and pumps, enabling timely balancing to reduce mechanical stress.
- Structural Vibration Analysis: Measures casing vibrations in reciprocating engines to assess structural integrity and prevent fatigue failures.
Related Products
- BENTLY 3300 XL 8 mm Proximity Probe: A complementary displacement sensor for measuring shaft position, often used alongside the 123M4610 for comprehensive vibration analysis.
- BENTLY 3500/42M Vibration Monitor: Processes signals from the 123M4610 to provide real-time vibration analysis and alarm triggering.
- BENTLY 3500/22M Keyphasor Module: Supplies rotational reference signals for phase-locked vibration analysis with the 123M4610.
- BENTLY 330500 Proximity Probe System: A high-precision displacement sensor suite compatible with the 123M4610 for combined velocity and displacement monitoring.
- BENTLY 1900/65A Vibration Monitor: A compact monitor for basic vibration analysis, suitable for integrating the 123M4610 in smaller systems.
- BENTLY 3500/05 Rack Enclosure: Houses the 3500/42M and other modules for centralized monitoring with the 123M4610.
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Installation and Maintenance
Pre-installation Preparations:
Before installing the BENTLY 123M4610, verify the mounting surface is flat and free of debris. Use a torque wrench to secure the transducer to the equipment (recommended torque: 11–14 N·m) to ensure optimal vibration transfer. Route shielded cables away from high-voltage lines to minimize interference, and connect the transducer to the monitoring system using a 2-wire configuration. Calibrate the system with a known vibration source to ensure measurement accuracy.
Before installing the BENTLY 123M4610, verify the mounting surface is flat and free of debris. Use a torque wrench to secure the transducer to the equipment (recommended torque: 11–14 N·m) to ensure optimal vibration transfer. Route shielded cables away from high-voltage lines to minimize interference, and connect the transducer to the monitoring system using a 2-wire configuration. Calibrate the system with a known vibration source to ensure measurement accuracy.
Maintenance Suggestions:
- Routine Inspections: Quarterly visual checks for loose connections, corrosion, or physical damage. Use a handheld vibrometer to compare 123M4610 readings with reference sensors for calibration verification.
- Cleaning: Remove dust and debris from the transducer’s housing using a dry cloth or compressed air, especially in dusty environments. Avoid using solvents that may damage the enclosure.
- Periodic Calibration: Annually calibrate the 123M4610 using a vibration shaker table to maintain measurement accuracy. Document calibration results for compliance and traceability.
- Spare Parts Management: Store spare 123M4610 transducers in a temperature-controlled environment (10–30°C) with low humidity to preserve performance.
Product Guarantee
Our company provides a 12-month quality warranty for the BENTLY 123M4610, covering hardware defects under normal use. In the event of abnormal performance, we offer prompt replacement services to minimize downtime. For legacy or urgent requirements, our global supply chain ensures rapid delivery of the 123M4610 and related spares. Our technical support team assists with installation, calibration, and troubleshooting, ensuring reliable operation to safeguard your industrial systems.
For inquiries, contact us via WhatsApp at +86 18859254943 or email at sales@ygplc.com.
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