Bently Nevada 190501-12-00-CN Velomitor CT Velocity Transducer Overview

Product Introduction

When machinery vibration threatens uptime and asset health, the Bently Nevada 190501-12-00-CN Velomitor CT Velocity Transducer provides reliable, accurate measurements. This sensor is designed for permanent installation on rotating and reciprocating equipment, delivering a voltage output proportional to velocity. Its robust construction and proven performance make it a trusted choice for condition monitoring in demanding industrial environments.

Technical Specifications Breakdown

Understanding the key parameters of the 190501-12-00-CN helps you evaluate its fit for your application. The transducer offers a sensitivity of 3.94 mV/mm/s (100 mV/in/s) ±5%, ensuring consistent signal output. 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, covering typical machine vibration frequencies. 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 can drive cable lengths up to 305 metres (1,000 ft.) using specified cable (part number 02173006) without signal degradation. It operates reliably across a temperature range of -40°C to +85°C (-40°F to +185°F) and can withstand a shock limit of 5000 g pk maximum. The case is made of 316L stainless steel, with a 2-pin 316L stainless steel MIL-C-5015 top connector. Weight is less than 297 g (10.5 oz.), typical.

Industry Applications

The 190501-12-00-CN is ideal for monitoring vibration on critical machinery such as turbines, compressors, pumps, and fans. In a typical installation, the transducer mounts directly on the bearing housing or machine casing. Its frequency response captures both low-speed and high-speed rotational dynamics, making it suitable for a wide range of rotating equipment. The rugged 316L stainless steel construction and ability to operate in condensing humidity (100% condensing, non-submerged) allow deployment in harsh environments like oil and gas, power generation, and chemical processing.

Installation & Setup Guidance

Proper mounting is essential for accurate readings. The mounting hardware option for this model is a 1 2 Plate Stud 3/8-in 24 to M8x1, and the connection uses a MIL-C-5015 interface. The transducer can be mounted in any orientation. Apply a mounting torque of 4.5 N-m ± 0.6 N-m (40 in–lbf ± 5 in-lbf) to ensure a secure, repeatable connection. Polarity is defined: Pin A goes positive with respect to Pin B when velocity is from base to top of the transducer. Ensure the mounting surface is clean and flat (33 mm diameter, 1.3 in diameter) for optimal coupling. The total height of the transducer is 82 mm (3.2 in).

Maintenance & Reliability

The 190501-12-00-CN is designed for long-term, maintenance-free operation in continuous monitoring systems. Its internal electronics are isolated from the case, reducing ground loop issues. The transducer's transverse response is less than 5% of the axial sensitivity, minimizing cross-axis errors. Amplitude linearity is ±2% to 63.5 mm/s pk (2.5 in/s pk), ensuring accurate readings across the measurement range. For maximum reliability, inspect the cable and connector periodically for damage. The transducer's storage temperature range of -40°C to +100°C (-40°F to +212°F) allows safe storage in most climates.

Buying Guide & Selection Advice

Before purchasing the 190501-12-00-CN, verify your system's compatibility with the MIL-C-5015 connection interface and the mounting stud specifications. The agency approval option for this unit is CN Country Specific. For applications requiring intrinsic safety, note that the 190501 (Agency Approval Options 01 through 04) carries Ex ia IIC T4 and AEx ia IIC T4 certifications for Class I, Div 1, Groups A, B, C, D; Class II, Groups E, F, G; and Class III. Install per drawing 167536 with temperature range T4 @ -40°C ≤ Ta ≤ +100°C. Contact BluePLC Industrial to confirm availability and lifecycle status before ordering. As a reliable supplier, BluePLC Industrial can help you select the correct transducer for your monitoring needs.