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BENTLY 133396-01 Velocity Transducer
Product Overview
The BENTLY 133396-01 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 133396-01 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 133396-01 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 133396-01 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 | 133396-01 |
| 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) |
Key Features and Advantages
High-Accuracy Vibration Measurement: The 133396-01 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. This precision allows maintenance teams to identify developing faults before they escalate, reducing repair costs and downtime.
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 challenging environments such as offshore platforms, refineries, and mining operations, where exposure to extreme conditions is common. The robust construction eliminates the need for frequent replacements, enhancing long-term cost efficiency.
Easy System Integration: With a standard threaded mount and 2-wire connectivity, the 133396-01 simplifies installation in existing monitoring systems. It is fully compatible with BENTLY’s 3500 Series modules and third-party data acquisition systems, reducing integration complexity and costs. The transducer’s plug-and-play design allows for quick deployment, making it suitable for both new installations and retrofitted machinery.
Low Noise and Reliability: The built-in signal conditioning and low-output impedance minimize electromagnetic interference, ensuring clean vibration signals even in high-noise environments. The piezoelectric design eliminates moving parts, reducing wear and enhancing long-term reliability. This feature is critical for 24/7 industrial operations where consistent data accuracy is non-negotiable.
Wide Operational Range: Capable of operating from -40°C to +121°C, the 133396-01 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, making it a versatile choice for diverse industrial setups.
Application Areas
The BENTLY 133396-01 is essential for vibration monitoring in industries where equipment reliability is critical:
- Oil & Gas: Installed on compressors, pumps, and turbines in refineries, pipelines, and offshore platforms, the 133396-01 detects misalignment, bearing wear, or cavitation, preventing costly shutdowns. It supports continuous operation by providing real-time data for proactive maintenance in harsh offshore and onshore environments.
- Power Generation: Used on steam turbines, generators, and auxiliary equipment in thermal and nuclear plants, this transducer maintains grid stability by monitoring vibration patterns that could affect power output. It helps optimize energy production by identifying issues such as rotor imbalance or bearing degradation before they impact system performance.
- Manufacturing: Deployed in high-speed rotating machinery like motors, fans, and conveyor systems in automotive, chemical, and food processing facilities, the 133396-01 ensures production continuity. It detects anomalies that could disrupt manufacturing processes, such as misalignments in conveyor belts or vibrations in mixing equipment, preserving product quality and reducing waste.
- Mining: Utilized on crushers, mills, and ventilation systems, this transducer monitors equipment health in harsh mining environments. It helps reduce downtime by identifying early signs of wear in heavy machinery, enabling scheduled maintenance that aligns with operational cycles.
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 and extend component life.
- Structural Vibration Analysis: Measures casing vibrations in reciprocating engines to assess structural integrity and prevent fatigue failures, particularly in high-load applications.
Related Products
- BENTLY 3300 XL 8 mm Proximity Probe (
330102-00-05-10-02-00): A complementary displacement sensor for measuring shaft position, often used alongside the 133396-01 for comprehensive vibration analysis. - BENTLY 3500/42M Vibration Monitor (
3500/42M): Processes signals from the 133396-01 to provide real-time vibration analysis, alarm triggering, and data trending. - BENTLY 3500/22M Keyphasor Module (
3500/22M): Supplies rotational reference signals for phase-locked vibration analysis with the 133396-01, enabling precise order tracking. - BENTLY 330500 Proximity Probe System (
330500): A high-precision displacement sensor suite compatible with the 133396-01 for combined velocity and displacement monitoring. - BENTLY 1900/65A Vibration Monitor (
1900/65A): A compact monitor for basic vibration analysis, suitable for integrating the 133396-01 in smaller systems. - BENTLY 3500/05 Rack Enclosure (
3500/05): Houses the 3500/42M and other modules for centralized monitoring with the 133396-01.
Installation and Maintenance
Pre-installation Preparations:
Before installing the BENTLY 133396-01, 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 electromagnetic 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, following BENTLY’s guidelines for proper signal conditioning and gain settings.
Before installing the BENTLY 133396-01, 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 electromagnetic 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, following BENTLY’s guidelines for proper signal conditioning and gain settings.
Maintenance Suggestions:
- Routine Inspections: Conduct quarterly visual checks for loose connections, corrosion, or physical damage to the transducer housing. Use a handheld vibrometer to compare 133396-01 readings with reference sensors, ensuring consistency and accuracy. Document any deviations for further analysis.
- 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 or compromise the IP67 seal.
- Periodic Calibration: Annually calibrate the 133396-01 using a vibration shaker table to maintain measurement accuracy. Compare output signals against standard vibration profiles and adjust as needed. Maintain detailed calibration records for compliance and traceability.
- Spare Parts Management: Store spare 133396-01 transducers in a temperature-controlled environment (10–30°C) with low humidity to preserve performance. Rotate inventory periodically to ensure shelf-life viability, especially for critical applications where downtime is not an option.
Product Guarantee
Our company provides a 12-month quality warranty for the BENTLY 133396-01, covering hardware defects under normal use. In the event of abnormal performance—such as inconsistent output signals or mechanical failure—we offer prompt replacement services to minimize downtime. For legacy or urgent requirements, our global supply chain ensures rapid delivery of the 133396-01 and related spares. Our technical support team is available 24/7 to assist 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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