Technical Specifications

FAQ

1. What is the primary purpose of the Velomitor CT velocity sensor?
The Velomitor CT is designed to measure the vibration velocity of industrial machinery and is a key component in Bently Nevada condition monitoring systems. It converts mechanical vibration into an electrical signal that can be continuously monitored for equipment health assessment. It is widely used on rotating machinery such as motors, pumps, fans, compressors, and steam turbines. By monitoring vibration velocity trends, it helps detect early signs of mechanical issues such as imbalance, misalignment, or bearing degradation, enabling predictive maintenance and improving overall equipment reliability.

2. How does a velocity vibration sensor differ from a displacement sensor?
A velocity sensor measures the rate of vibration movement, which is directly related to the energy of mechanical vibration, making it highly effective for overall machine condition assessment. In contrast, a displacement sensor measures the actual physical movement of a shaft or structure. Velocity sensors are generally more suitable for broadband vibration analysis and are widely used for general machinery monitoring because they provide a balanced view of machine health across a wide frequency range.

3. What types of equipment is this sensor commonly used with?
The Velomitor CT is commonly used on industrial rotating equipment such as centrifugal pumps, compressors, fans, electric motors, gearboxes, and auxiliary turbine systems. It is particularly valuable in industries such as power generation, oil and gas, petrochemical processing, and heavy manufacturing, where continuous vibration monitoring is essential for safe and efficient operation.

4. How does the sensor perform in harsh industrial environments?
The sensor is designed with rugged industrial construction that allows it to operate reliably in harsh environments. It is resistant to vibration, shock, humidity, oil contamination, and temperature fluctuations. Its robust housing and shielding design also provide strong protection against electromagnetic interference, ensuring stable performance even in electrically noisy industrial settings.

5. What should be considered during installation?
Proper installation is essential for accurate measurement. The sensor must be securely mounted to a rigid machine surface to ensure good vibration transmission. It should be installed in a location that accurately represents the machine’s vibration behavior, avoiding loose structures or damped mounting points. It is also important to keep it away from strong electromagnetic sources and ensure correct orientation for optimal signal capture.

6. How does the sensor maintain signal stability?
The Velomitor CT uses piezoelectric sensing technology combined with optimized signal conditioning to ensure stable output. Its internal design minimizes noise and signal drift, allowing it to deliver consistent vibration readings even under varying load, speed, and environmental conditions. This stability is critical for long-term monitoring and trend analysis.

7. Is this sensor suitable for continuous operation?
Yes. The sensor is designed for continuous-duty industrial applications and can operate reliably in 24/7 monitoring systems. It is built to withstand long-term exposure to vibration, temperature variation, and industrial contaminants, making it suitable for critical machinery protection systems where uninterrupted operation is required.

8. How does this sensor support predictive maintenance?
By continuously measuring vibration velocity, the sensor provides real-time insights into machine condition. Changes in vibration patterns can indicate developing faults such as imbalance, misalignment, looseness, or bearing wear. This data enables maintenance teams to shift from reactive maintenance to predictive maintenance, reducing unexpected downtime, optimizing maintenance schedules, and extending equipment lifespan.