Bently Nevada 190501-07-99-00 Velomitor CT Velocity Transducer

Manufacturer: Bently Nevada
Product Numbers: 190501-07-99-00
Product Type: Velomitor CT Velocity Transducer
Place of 0rigin: USA
Mounting Hardware Option:Plate Stud 3/8-in 24 to 3/8-in 24
Connection Option:Unit with included 32-foot cable
Agency Approval Option:No Approvals
Sensitivity:3.94 mV/mm/s (100 mV/in/s) ±5%.
Frequency Response:3.0 Hz to 900 Hz (180 to 54,000 cpm) ±1.0 dB; 1.5 Hz to 1.0 kHz (90 to 60,000 cpm) ±3.0 dB.
Dynamic Output Impedance:<400 Ω typical Case Material 316L stainless steel
Connector:2-pin 316L stainless steel MIL-C5015, top.
Mounting Torque:4.5 N-m ± 0.6 N-m (40 in–lbf ± 5 in-lbf).

The Bently Nevada 190501-07-99-00 Velomitor CT Velocity Transducer is a low-frequency vibration sensor designed to measure casing vibration velocity on cooling tower and air-cooled heat-exchanger fan assemblies. These fans typically operate at speeds above 90 rpm (commonly 100–300 rpm), where accurate low-frequency monitoring is essential for detecting imbalance, mechanical wear, or drive system issues. As a specialized version of the standard Velomitor piezo-velocity sensor, the 190501-07-99-00 provides reliable vibration amplitude measurement at both fan rotational frequencies and the vibration frequencies produced by the fan motor and speed reducer.
The Bently Nevada 190501-07-99-00 features a durable 316L stainless steel case with a 2-pin 316L stainless steel MIL-C5015 top connector and includes a 32-foot cable for convenient installation. It offers a sensitivity of 3.94 mV/mm/s (100 mV/in/s) ±5% and a frequency response of 3.0 Hz to 900 Hz (±1.0 dB) and 1.5 Hz to 1.0 kHz (±3.0 dB), enabling accurate measurement of low-frequency vibration signals. The unit uses a 3/8-in 24 to 3/8-in 24 plate stud mounting hardware, requires a mounting torque of 4.5 N·m ±0.6 N·m (40 in-lbf ±5 in-lbf), and provides a dynamic output impedance of less than 400 Ω typical, ensuring stable signal transmission in industrial monitoring systems. Manufactured in the USA, the 190501-07-99-00 Velomitor CT Velocity Transducer is designed for dependable operation in demanding cooling tower and heat-exchanger applications.

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