Overview
Manuals
Principle
Primary Applications
Features:
- Velomitor CT Velocity Transducer
- 190501 Velomitor CT Transducer
- Low-frequency version of our standard Velomitor Piezo-velocity Sensor
The Velomitor CT Velocity Transducer is a low-frequency version of our standard Velomitor Piezo-velocity Sensor. Its design specifically measures casing vibration velocity on cooling tower and air-cooled heat-exchanger fan assemblies that operate at or above 90 rpm (100 to 300 rpm typical). 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.
This sensor accurately captures structural vibration responses of equipment within a typical operating range of 100–300 rpm and at low frequencies ≥90 rpm, while also being compatible with excitation vibration frequency signals from fan motors and reduction gears. It provides a reliable data foundation for equipment condition monitoring, fault diagnosis, and preventative maintenance by outputting an electrical signal proportional to the vibration velocity in real time.
The 190501-12-00-02 Bently Nevada Velomitor CT Velocity Transducer may still be available for purchase and support from Moore Automated Company beyond End-Of-Life (EOL) by the manufacturer (OEM).
Bently Nevada 190501-12-00-02 Velomitor CT Velocity Transducer Manuals(Datasheets), Link
Important Notice: Other accessories, manuals, cables, calibration data, software, etc. are not included with this equipment unless listed in the above stock item description. All prices are shown in USD.
Its internal sensing structure generates an electrical charge response through the relative motion of a mass block and piezoelectric elements, which is then converted into a stable velocity-proportional signal via a built-in signal conditioning circuit, achieving high-sensitivity detection of low-frequency structural vibrations. This design optimizes frequency response characteristics under low-speed conditions, maintaining excellent measurement accuracy and signal stability in cooling tower fan systems and transmission systems with reduction gears.
"CT" stands for Cooling Tower. This sensor is primarily used to measure the casing vibration velocity of the following equipment:
Cooling Tower Fans: Especially fans with speeds of 90 rpm and above.
Air-Cooled Heat Exchangers: Monitoring fan components, motors, and reducers.
Large Pumps: Monitoring balance and misalignment issues during low-speed operation.
