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The Velomitor CT Velocity Transducer is a low-frequency version of the standard Velomitor Piezo-velocity Sensor. It is specifically designed 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 is capable of measuring vibration amplitudes at these frequencies, as well as the vibration frequencies generated by the fan motor and speed reducer.

In addition, it is important to install the accelerometer transducer on the bearing housing or machine casing. Improper installation may reduce the transducer’s amplitude and frequency response, or generate false signals that do not accurately represent actual vibration. Refer to the appropriate instruction manuals and Application Notes for proper installation guidelines.

Upon request, Bently Nevada provides engineering services to identify the appropriate machine housing measurements and offer installation assistance if needed.

Frequently Asked Questions

Q1: What is the Bently Nevada 190501-10-99-00?

A1: It is a velocity transducer (Velomitor® type) used to measure vibration velocity in rotating machinery for condition monitoring and diagnostics.

Q2: What mounting hardware is included?

A2: It uses mounting hardware option “10,” which is a plate stud M6×1 to M6×1 with a 3/8-24 adapter, allowing flexible installation.

Q3: What does the “99” connection option indicate?

A3: “99” means the unit is supplied with an integrated 32-foot cable for easy installation and extended reach.

Q4: What is the 190501-10-99-00 frequency response?

A4: The 190501-10-99-00 transducer operates within a frequency range of 3.0 Hz to 900 Hz (180 to 54,000 cpm) with ±1.0 dB accuracy.

Q5: What is the 190501-10-99-00 transverse response?

A5: The 190501-10-99-00 transverse response is less than 5% of axial sensitivity, ensuring accurate measurement with minimal cross-axis interference.

Product Applications

Electric power industry: Monitoring the vibration of rotating machinery such as steam turbines, generators, fans, and pumps.

Petroleum and natural gas: Used for bearing monitoring of equipment such as centrifuges, compressors, and fans in petrochemical enterprises.

Chemical industry: Conducting long-term vibration monitoring in chemical production equipment.

Metallurgical industry: Monitoring equipment for smelting and processing.