190501-09-99-00 Bently Nevada Velomitor Velocity Transducer Description The Bently Nevada 190501-09-99-00 Velomitor CT Velocity Transducer is a specialized low-frequency sensor designed for accurate measurement of casing vibration velocity in cooling tower and air-cooled heat-exchanger fan assemblies. These systems typically operate at or above 90 RPM, with a common range between 100 to 300 RPM. 190501-09-99-00 Details FAQ Q1: What does the part number 190501-09-99-00 signify