190501-04-00-04 | Bently Nevada Velomitor CT Velocity Transducer

Why Choose the Bently Nevada 190501-04-00-04?

When rotating machinery faces harsh operating conditions, accurate vibration measurement becomes critical. The 190501-04-00-04 from Bently Nevada is a Velomitor CT velocity transducer engineered to provide dependable performance in demanding industrial environments. With a sensitivity of 3.94 mV/mm/s (±5%), this transducer ensures precise velocity readings that help maintenance teams detect issues early and avoid unplanned downtime.

Built with a 316L stainless steel case and connector, the 190501-04-00-04 is designed for durability and corrosion resistance. Its internal electronics are isolated from the case, reducing interference and improving signal integrity. This makes it a trusted choice for continuous vibration monitoring in critical assets.

Key Features and Technical Specifications

The 190501-04-00-04 offers a range of performance characteristics that support reliable operation:

• 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.
• Output Bias Voltage: 10.1 Vdc ± 1.0 Vdc, Pin A referenced to Pin B.
• Dynamic Output Impedance: <400 Ω typical.
• Broadband Noise: 0.229 mm/s (0.009 in/s) pk.
• Base Strain Sensitivity: 0.43 mm/s/μstrain (0.017 in/s/μstrain).
• Operating Temperature: -40°C to +85°C (-40°F to +185°F).
• Shock Limit: 5000 g pk, maximum.
• Humidity Limit: 100% condensing, non-submerged.
• Magnetic Field Susceptibility: <0.0068 mm/s/gauss (0.268 mil/s/gauss) @ 50 gauss, 50-60 Hz.

These specifications make the 190501-04-00-04 suitable for a wide range of vibration monitoring applications, from pumps and motors to turbines and compressors.

Applications and Use Cases

In industrial plants, unplanned machinery failures can lead to costly production losses. The 190501-04-00-04 helps prevent such failures by providing continuous velocity data that reflects machine health. Its robust design and wide temperature range make it ideal for outdoor installations or areas with high humidity.

Because the transducer can be mounted in any orientation, it offers flexibility in tight spaces. The MIL-C-5015 connection interface simplifies wiring, and the maximum cable length of 305 meters (1,000 ft.) allows remote monitoring without signal degradation. These features reduce installation complexity and support reliable data collection.

Installation and Setup

Proper installation is essential for accurate vibration measurements. The 190501-04-00-04 comes with a mounting hardware option of 0 4 stud M6x1 with a 3/8-in 24 adapter. Recommended mounting torque is 4.5 N-m ± 0.6 N-m (40 in–lbf ± 5 in-lbf).

Ensure the mounting surface is clean and flat to achieve optimal coupling. The transducer can be mounted in any orientation, but the polarity is defined: Pin A goes positive with respect to Pin B when velocity is from base to top. Always follow the manufacturer's installation drawing (167536) for agency-approved installations.

Maintenance and Reliability

Regular inspection of the transducer and its cable is recommended to ensure long-term reliability. Check for physical damage, loose connections, or signs of corrosion. The 316L stainless steel construction provides excellent resistance to harsh environments, but periodic verification of output bias voltage can help detect potential issues early.

Because the 190501-04-00-04 has no moving parts, it requires minimal maintenance compared to other sensor types. This reduces total cost of ownership and improves uptime.

Compatibility and Integration

This transducer is designed to work with Bently Nevada monitoring systems and can be integrated into existing vibration monitoring networks. The MIL-C-5015 connector is a standard interface, making it easy to replace older transducers or expand monitoring points.

For new installations, the 190501-04-00-04 offers a straightforward path to reliable vibration data. Its compatibility with standard cabling (part number 02173006) simplifies procurement.

Frequently Asked Questions

Q: What is the sensitivity of the 190501-04-00-04?

A: The sensitivity is 3.94 mV/mm/s (100 mV/in/s) ±5%.

Q: What is the operating temperature range?

A: The operating temperature range is -40°C to +85°C (-40°F to +185°F).

Q: Can the transducer be mounted in any orientation?

A: Yes, the mounting angle is any orientation.

Q: What is the maximum cable length?

A: The maximum cable length is 305 meters (1,000 ft.) with part number 02173006.

Q: What agency approvals does the 190501-04-00-04 have?

A: It has CSA/NRTL/C (Class I, Division 1) and ATEX/IECEx/CSA (Class I, Zone 0/1) approvals.

Product Support and Availability

The 190501-04-00-04 is available through Petro Auto Tech. Contact our team to verify current lifecycle status and availability before ordering. We are here to help you find the right vibration monitoring solution for your application.