Bently Nevada 190501-01-99-CN Velomitor CT Velocity Transducer Overview

Product Introduction

When unplanned machinery downtime threatens production targets, the Bently Nevada 190501-01-99-CN Velomitor CT Velocity Transducer provides reliable vibration measurement for predictive maintenance. This industrial-grade sensor converts mechanical velocity into an electrical signal, enabling early detection of bearing wear, imbalance, and misalignment in rotating equipment. Designed for harsh environments, it delivers consistent performance across a wide temperature range.

Technical Specifications

The 190501-01-99-CN offers a sensitivity of 3.94 mV/mm/s (100 mV/in/s) ±5%, ensuring accurate velocity measurements. 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) within ±3.0 dB. The transducer operates from -40°C to +85°C (-40°F to +185°F) and stores safely from -40°C to +100°C (-40°F to +212°F). Output bias voltage is 10.1 Vdc ± 1.0 Vdc, with dynamic output impedance less than 400 Ω typical. The unit weighs 0.297 kg and features a 316L stainless steel case with a 2-pin MIL-C-5015 top connector.

Industry Applications

In oil and gas refineries, the 190501-01-99-CN monitors critical pumps and compressors, where its 100% condensing humidity tolerance and 5000 g pk shock limit ensure survival in extreme conditions. For power generation turbines, its transverse response below 5% of axial sensitivity minimizes cross-axis errors, improving data fidelity. The transducer's base strain sensitivity of 0.43 mm/s/μstrain helps distinguish true vibration from structural strain, reducing false alarms in steel mills and mining operations.

Installation & Setup Guidance

Mount the transducer using the included 3/8-24 stud with a torque of 4.5 N·m ± 0.6 N·m (40 in-lbf ± 5 in-lbf). The unit can be installed in any orientation, and the 32-foot cable (part number 02173006) supports runs up to 305 meters (1,000 feet) without signal degradation. Ensure the mounting surface is clean and flat (33 mm diameter minimum) to achieve the mounted resonant frequency of 9 kHz minimum. Polarity is defined: Pin A goes positive with respect to Pin B when velocity is from base to top.

Maintenance & Reliability

The 190501-01-99-CN requires minimal routine care due to its sealed 316L stainless steel construction and internal electronics isolated from the case. Periodic inspection of the cable and connector for damage is recommended, especially in high-vibration or corrosive environments. The transducer's amplitude linearity of ±2% up to 63.5 mm/s pk ensures consistent measurement over its operating life. For applications requiring intrinsic safety, verify agency approval options (01 through 04) per drawing 167536.

Selection Guide & Purchasing Advice

Before ordering the 190501-01-99-CN, confirm the mounting hardware option (stud 3/8-24) and connection option (32-foot cable) match your installation requirements. The CN agency approval option is country-specific; verify local certification needs. For complete technical specifications, contact BluePLC Industrial. As a trusted supplier, BluePLC Industrial can provide current lifecycle status and replacement options if needed.