Bently Nevada 190501-09-00-CN Velomitor CT Velocity Transducer

Product Introduction

In the evolving landscape of industrial automation, the need for precise machinery health monitoring has never been greater. As plants shift from reactive maintenance to predictive strategies, vibration analysis has become a cornerstone of reliability programs. The Bently Nevada 190501-09-00-CN Velomitor CT Velocity Transducer addresses this demand, offering robust performance for critical rotating equipment. Designed for continuous vibration monitoring, this transducer helps operators detect early signs of bearing wear, imbalance, and misalignment, reducing unplanned downtime and extending asset life.

Technical Specifications Breakdown

The 190501-09-00-CN delivers a sensitivity of 3.94 mV/mm/s (100 mV/in/s) ±5%, ensuring accurate velocity measurements across a wide frequency range. Its frequency response spans 3.0 Hz to 900 Hz (180 to 54,000 cpm) ±1.0 dB, with an extended range of 1.5 Hz to 1.0 kHz (90 to 60,000 cpm) ±3.0 dB, making it suitable for low to medium-speed machinery. The output bias voltage is 10.1 Vdc ± 1.0 Vdc, with a dynamic output impedance of less than 400 Ω typical. The transducer operates within a temperature range of -40°C to +85°C, and its internal electronics are isolated from the case, minimizing ground loop issues. With a maximum cable length of 305 metres (1,000 ft.) using part number 02173006, signal integrity is maintained over long distances.

Industry Applications

This velocity transducer is ideal for monitoring fans, pumps, compressors, and turbines in industries such as oil and gas, power generation, and chemical processing. For example, in a refinery, the 190501-09-00-CN can be mounted on a centrifugal compressor to track vibration trends, enabling early detection of rotor instability. Its robust stainless steel construction and ability to withstand 5000 g pk shock make it well-suited for harsh environments. By integrating this transducer into a condition monitoring system, facilities can shift from time-based maintenance to condition-based strategies, reducing costs and improving equipment reliability.

Installation & Setup Guidance

Proper mounting is critical for accurate readings. The 190501-09-00-CN includes a mounting hardware option with a plate stud 3/8-in 24 to 1/4-in NPT, and a MIL-C-5015 connection interface. Mounting torque should be 4.5 N-m ± 0.6 N-m (40 in–lbf ± 5 in-lbf). The transducer can be mounted in any orientation, and pin A goes positive with respect to pin B when velocity is from base to top. Ensure the mounting surface is clean and flat (33 mm diameter minimum) to achieve optimal coupling and avoid measurement errors.

Maintenance & Reliability

Routine inspection of the transducer and its cable is recommended to ensure consistent performance. Check for physical damage, corrosion, or loose connections, especially in high-vibration or corrosive environments. The 316L stainless steel case provides excellent resistance to corrosion, and the transducer's internal electronics are sealed against humidity (100% condensing, non-submerged). Periodic verification of output bias voltage and sensitivity can help confirm the transducer is operating within specification. For long-term reliability, follow the manufacturer's guidelines for storage and handling.

Selection Guide & Purchasing Advice

When selecting the Bently Nevada 190501-09-00-CN, verify that the mounting hardware and connection options match your application requirements. This model features a CN country-specific agency approval option. For complete technical specifications and to confirm compatibility with your existing monitoring system, contact BluePLC Industrial. Our team can assist with availability, replacement options, and any additional accessories needed for your installation.