190501-01-00-CN | Bently Nevada Velomitor CT Velocity Transducer

Introduction to the 190501-01-00-CN Velomitor CT Velocity Transducer

When unplanned machine downtime disrupts production, the 190501-01-00-CN from Bently Nevada provides the accurate vibration data you need. This Velomitor CT Velocity Transducer is engineered for continuous monitoring of rotating equipment, helping you detect issues early and avoid costly failures.

With a sensitivity of 3.94 mV/mm/s (±5%), the transducer converts mechanical velocity into a proportional electrical signal. This allows maintenance teams to track machine health in real time, supporting predictive maintenance strategies that reduce downtime and extend equipment life.

Key Features and Technical Specifications

• 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).
• Maximum Cable Length: 305 metres (1,000 ft.) of cable (part number 02173006) with no signal degradation.
• 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.

The transducer's 316L stainless steel case and 2-pin MIL-C-5015 connector ensure durability in harsh industrial environments. Its mounting torque of 4.5 N-m ± 0.6 N-m (40 in-lbf ± 5 in-lbf) provides a secure installation.

Applications and Use Cases

The 190501-01-00-CN is ideal for monitoring fans, pumps, motors, and other rotating machinery in industries such as power generation, oil and gas, and manufacturing. Its wide frequency response captures both low-speed and high-speed vibrations, making it versatile across different equipment types.

For example, in a chemical plant, the transducer can be installed on a critical pump to monitor bearing wear. Early detection of abnormal vibration allows maintenance to be scheduled before a catastrophic failure occurs, saving both time and money.

Installation and Setup

Proper installation is essential for accurate readings. The transducer mounts with a 3/8-in 24 stud (option 01) and connects via a MIL-C-5015 interface (option 00). Ensure the mounting surface is clean and flat, and torque the stud to the specified 4.5 N-m ± 0.6 N-m.

Polarity is critical: Pin A goes positive with respect to Pin B when velocity is from base to top of the transducer. Verify the orientation before finalizing the installation to avoid reversed signals.

Maintenance and Reliability

Routine inspection of the transducer and its cable is recommended to ensure reliable operation. Check for physical damage, loose connections, and signs of corrosion. The internal electronics are isolated from the case, reducing the risk of ground loops and improving signal integrity.

Given its robust design and wide operating temperature range, the 190501-01-00-CN offers long service life with minimal maintenance, contributing to lower total cost of ownership.

Compatibility and Integration

The transducer outputs a standard velocity signal that can be connected to most vibration monitoring systems. Its low output impedance (<400 Ω) allows for long cable runs without signal degradation, making it compatible with existing Bently Nevada monitoring equipment.

For specific integration details, refer to the official Bently Nevada documentation or contact Petro Auto Tech for technical support.

Troubleshooting and Common Issues

If the transducer produces no output, check the cable connections and verify that the bias voltage is within 10.1 Vdc ± 1.0 Vdc. If the signal is noisy, ensure the cable is not routed near high-voltage lines or magnetic fields.

For persistent issues, consult the manufacturer's manual or contact Petro Auto Tech for assistance.

FAQ

Q: What is the sensitivity of the 190501-01-00-CN?

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

Q: What is the maximum cable length?

A: The maximum cable length is 305 meters (1,000 ft.) with part number 02173006, with no signal degradation.

Q: Can the transducer be used in hazardous areas?

A: Yes, with agency approval options 01-04, it is intrinsically safe (Ex ia IIC T4) and non-incendive (Ex nL IIC T4).

Q: What is the operating temperature range?

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

Product Support and Availability

The 190501-01-00-CN is available from Petro Auto Tech. Contact our team for pricing and lead times. We are committed to providing genuine industrial automation parts and expert support.