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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 190501-11-00-04?

A1: It is a velocity transducer designed for vibration measurement in rotating machinery, used in condition monitoring and protection systems.

Q2: What is the 190501-11-00-04 vibration measurement range?

A2: It supports a vibration range of ±20 g peak with approximately 5% linearity performance.

Q3: What is the 190501-11-00-04 signal output?

A3: The 190501-11-00-04 standard output is 200 mV/in/s ±3%, with an optional 4–20 mA output depending on configuration.

Q4: What type of cable is compatible with this transducer?

A4: It is compatible with 22 AWG shielded cable, with a maximum capacitance of 100 pF.

Q5: What is the 190501-11-00-04 primary function of this velocity transducer?

A5: It converts mechanical vibration into an electrical signal proportional to velocity for machinery monitoring and protection.

Product Applications

Electric power industry: Vibration monitoring for large rotating machinery such as generators, steam turbines, fans, and water pumps.

Petroleum and natural gas: Operation status monitoring for key equipment such as compressors, centrifugal pumps, oil transfer pump sets, and turbines.

Petrochemical industry: Vibration analysis for key production equipment such as reaction vessels, mixers, various centrifugal pumps, and fans.

Metallurgical industry: Mechanical condition monitoring for equipment such as rolling mills, induced draft fans, supply fans, and high-pressure pumps.