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

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, be careful when installing the accelerometer transducer on the bearing housing or machine casing. Improper installation may decrease the transducer's amplitude and frequency response and/or generate false signals that do not represent actual vibration. Refer to the appropriate instruction manuals and Application Notes for proper installation guidelines. 

Upon request, Bently Nevada provides engineering services that can assist in identifying the appropriate machine housing measurements and offer installation assistance if needed.

Frequently Asked Questions

Q1: What is the Bently Nevada 190501-15-00-04?

A1: It is a Velomitor CT velocity transducer used for measuring vibration velocity in rotating machinery, supporting condition monitoring and protection applications.

Q2: What agency approvals does this model have?

A2: It includes CSA/NRTL/C (Class I, Division 1) and ATEX/IECEx/CSA certifications for hazardous areas (Class I, Zone 0/1).

Q3: What is the 190501-15-00-04 sensitivity rating?

A3: The 190501-15-00-04 sensitivity is 100 mV/in/s (3.94 mV/mm/s) ±5%, providing accurate vibration measurement.

Q4: What is the 190501-15-00-04 frequency range?

A4: It is optimized for a frequency range of 3.0 Hz to 900 Hz for reliable vibration detection.

Q5: What is the 190501-15-00-04 operating temperature range?

A5: The 190501-15-00-04 transducer operates within −40°C to +85°C.

Product Applications

Electric power industry: Applied to the vibration monitoring of the enclosures of wind turbines, steam turbines, and hydroelectric generating sets.

Petroleum and natural gas industry: Applied to the online condition monitoring of various types of compressors, pumps, and electric motors and other rotating equipment.

Chemical and petrochemical industry: Used for the vibration data collection of high-temperature and high-pressure pump sets and reactor agitators on chemical production lines.

Metallurgical industry: Applied to the vibration monitoring of bearing housings of fans, water pumps, and high-speed transmission machinery.