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The Velomitor CT Velocity Transducer is a low-frequency version of our standard Velomitor Piezo-velocity Sensor.   Its design is specifically engineered to measure casing vibration velocity on cooling tower and air-cooled heat-exchanger fan assemblies that operate at or above 90 rpm (typically 100 to 300 rpm).

The Velomitor CT Transducer can measure vibration amplitudes at these frequencies as well as the vibration frequencies generated by the fan motor and speed reducer.

In addition, be careful install the accelerometer transducer on the bearing housing or machine casing correctly. Improper installation may reduce the transducer's amplitude and frequency response or generate false signals that do not accurately reflect the actual vibration. Please refer to the relevant instruction manuals and Application Notes for proper installation guidance.

Upon request, Bently Nevada offers engineering services to help identify the correct machine housing measurements and provide installation assistance if needed.

Frequently Asked Questions

Q1: What is the Bently Nevada 190501-03-99-00 Velocity Transducer used for?

A1: It is used to measure vibration velocity in rotating machinery for condition monitoring, predictive maintenance, and machinery protection applications.

Q2: What mounting hardware is included with Option 03?

A2: Mounting Hardware Option 03 includes an adhesive stud with a 3/8-inch 24 thread, allowing installation where drilling or tapping is not practical.

Q3: What is the maximum shock limit of the 190501-03-99-00 transducer?

A3: The 190501-03-99-00 transducer can withstand a maximum shock limit of 5000 g peak, providing excellent durability in demanding industrial environments.

Q4: What is the 190501-03-99-00 sensitivity of the velocity transducer?

A4: The 190501-03-99-00 sensitivity is 3.94 mV/mm/s (100 mV/in/s) ±5%, ensuring accurate vibration velocity measurements.

Product Applications

Cooling Towers and Fans: Specifically designed for measuring vibration in large cooling towers and air-cooled heat exchanger fan assemblies.

Oil and Gas: Used for vibration monitoring of air coolers and related rotating machinery in petrochemical plants.

Industrial Pumps and General Rotating Machinery: Effectively detects mechanical faults such as rotor imbalance and misalignment; monitoring frequencies are typically between 1.5 Hz and 1.0 kHz.

High-Risk Explosion-Proof Areas: Some models are equipped with explosion-proof certification, suitable for equipment protection in hazardous environments.