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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 190501-18-00-04?

A1: It is a velocity transducer designed to measure vibration velocity in rotating machinery for condition monitoring and protection systems.

Q2: What mounting hardware is included?

A2: The “18” option includes an adapter that converts from 3/8-24 thread to 1/2-13, allowing flexible installation.

Q3: What does the “00” connection option indicate?

A3: “00” specifies a MIL-C-5015 connection interface, ensuring secure and reliable electrical connections.

Q4: What certifications does the “04” approval option include?

A4: “04” includes CSA/NRTL/C (Class I, Division 1) and ATEX/IECEx/CSA (Class I, Zone 0/1), making it suitable for hazardous area applications.

Q5: What is the 190501-18-00-04 operating temperature range?

A5: The transducer operates within a temperature range of −40°C to +85°C (−40°F to +185°F).

Product Applications

Power/Energy: Monitoring of cooling tower fans and power generators.

Petrochemicals: Monitoring of pump and centrifuge operating conditions.

Manufacturing/Water Treatment: Preventive maintenance for various industrial drive devices.