Bently Nevada 190501-04-00-CN Velomitor CT Velocity Transducer Overview

Product Introduction

In the evolving landscape of industrial automation, the need for precise and reliable vibration monitoring has never been greater. As machinery becomes more complex, detecting subtle changes in velocity can prevent costly downtime and catastrophic failures. The Bently Nevada 190501-04-00-CN Velomitor CT Velocity Transducer addresses this challenge head-on. Designed for continuous, non-contact vibration measurement, this transducer converts mechanical velocity into an electrical signal, enabling real-time condition monitoring. Its robust construction and proven performance make it a trusted choice for rotating machinery protection across various industries.

Technical Specifications

The 190501-04-00-CN offers a sensitivity of 3.94 mV/mm/s (100 mV/in/s) with a tolerance of ±5%, ensuring accurate velocity readings. Its frequency response spans 3.0 Hz to 900 Hz (180 to 54,000 cpm) within ±1.0 dB, and extends to 1.5 Hz to 1.0 kHz (90 to 60,000 cpm) at ±3.0 dB. The output bias voltage is 10.1 Vdc ± 1.0 Vdc, referenced from Pin A to Pin B. Dynamic output impedance is less than 400 Ω typical. The transducer is rated for an operating temperature range of -40°C to +85°C (-40°F to +185°F) and can withstand a shock limit of 5000 g pk. It features a 316L stainless steel case and a 2-pin 316L stainless steel MIL-C-5015 top connector. The mounting hardware option includes a stud M6x1 with a 3/8-in 24 adapter, and the connection interface is MIL-C-5015. The unit weighs 0.297 kg and has a height of 82 mm (3.2 in).

Industry Applications

This velocity transducer is ideal for monitoring vibration on critical rotating equipment such as turbines, compressors, pumps, and fans. In the oil and gas sector, it helps detect early signs of bearing wear or imbalance, allowing for predictive maintenance. In power generation, it ensures continuous operation of generators and steam turbines by providing reliable data for condition-based monitoring. The transducer's wide frequency response and robust environmental limits make it suitable for both indoor and outdoor installations in harsh industrial settings.

Installation and Setup Guidance

Proper mounting is crucial for accurate measurements. The transducer can be installed in any orientation, with a mounting torque of 4.5 N-m ± 0.6 N-m (40 in-lbf ± 5 in-lbf). Ensure the mounting surface is clean and flat, with a diameter of 33 mm (1.3 in). The maximum cable length is 305 meters (1,000 ft.) using part number 02173006, without signal degradation. Polarity is defined: Pin A goes positive with respect to Pin B when velocity is from base to top of the transducer. Follow the manufacturer's guidelines for wiring and grounding, as internal electronics are isolated from the case.

Maintenance and Reliability

The 190501-04-00-CN is built for long-term reliability with a 316L stainless steel case that resists corrosion. Its design minimizes base strain sensitivity (0.43 mm/s/μstrain) and magnetic field susceptibility (less than 0.0068 mm/s/gauss at 50 gauss, 50-60 Hz). Regular inspection of the cable and connector is recommended to ensure signal integrity. The transducer's operating temperature range of -40°C to +85°C and 100% condensing humidity limit make it suitable for demanding environments. For optimal performance, verify that the mounting torque is maintained and that the transducer is not subjected to shock beyond its 5000 g pk limit.

Selection Guide and Purchasing Advice

When selecting the 190501-04-00-CN, verify that your application requires a velocity transducer with the specified sensitivity and frequency response. The agency approval option 'CN' indicates country-specific certifications; confirm that this matches your local requirements. The mounting hardware and connection options are fixed as per the part number. For complete technical specifications and to ensure compatibility with your existing monitoring system, contact BluePLC Industrial. Our team can provide detailed documentation and assist with any integration questions.