190501-10-00-02 | Bently Nevada 3.94 mV/mm/s Velocity Transducer

Introduction to the 190501-10-00-02 Velomitor CT

When machine vibration threatens uptime, the 190501-10-00-02 from Bently Nevada provides reliable measurement. This Velomitor CT velocity transducer is engineered for industrial rotating equipment. It offers a sensitivity of 3.94 mV/mm/s (±5%), ensuring precise velocity readings. Consequently, maintenance teams can detect issues early and avoid costly failures.

This model includes a plate stud mounting option (M6x1 to M6x1 with 3/8-24 adapter) and a MIL-C-5015 connection interface. Its agency approval option 02 covers CSA/NRTL/C (Class I, Division 1) and ATEX/IECEx/CSA (Class I, Zone 0/1). Therefore, it suits hazardous environments where safety is paramount.

Key Features and Technical Specifications

The 190501-10-00-02 offers a frequency response of 3.0 Hz to 900 Hz (180 to 54,000 cpm) within ±1.0 dB, extending to 1.5 Hz to 1.0 kHz (90 to 60,000 cpm) at ±3.0 dB. This broad range captures both slow and fast vibration components. As a result, it supports comprehensive machine condition monitoring.

• Sensitivity: 3.94 mV/mm/s (100 mV/in/s) ±5%
• Frequency Response: 3.0 Hz to 900 Hz ±1.0 dB; 1.5 Hz to 1.0 kHz ±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.) with part number 02173006
• Operating Temperature: -40°C to +85°C (-40°F to +185°F)
• Shock Limit: 5000 g pk, maximum
• Humidity Limit: 100% condensing, non-submerged
• Case Material: 316L stainless steel
• Mounting Torque: 4.5 N-m ± 0.6 N-m (40 in-lbf ± 5 in-lbf)

One distinctive spec is the mounted resonant frequency of 9 kHz minimum (stud mounted, except quick disconnect). This high resonance minimizes measurement distortion, ensuring accurate data even in high-frequency environments. Consequently, you avoid false readings that could lead to unnecessary maintenance or missed faults.

Applications and Use Cases

The 190501-10-00-02 is ideal for monitoring pumps, motors, fans, and compressors. In petrochemical plants, its hazardous area approvals allow installation in Class I, Division 1 and Zone 0/1 locations. Therefore, you can rely on it for continuous vibration monitoring in critical processes. Moreover, its 316L stainless steel case withstands corrosive environments, reducing replacement frequency and long-term costs.

For example, in a refinery, this transducer can be mounted on a cooling tower fan. Its wide frequency response captures both low-speed shaft vibrations and high-frequency bearing defects. As a result, maintenance teams can plan repairs during scheduled outages, avoiding unplanned downtime.

Installation and Setup

Proper installation is crucial for accurate measurements. The 190501-10-00-02 uses a plate stud mounting (M6x1 to M6x1 with 3/8-24 adapter). Ensure the mounting surface is clean and flat, with a diameter of 33 mm (1.3 in). Apply the recommended mounting torque of 4.5 N-m ± 0.6 N-m (40 in-lbf ± 5 in-lbf) to secure the transducer. This prevents loosening due to vibration, which could alter readings.

The transducer can be mounted in any orientation, offering flexibility in tight spaces. Its internal electronics are isolated from the case, reducing ground loop issues. For cable runs, the maximum length is 305 metres (1,000 ft.) using cable part number 02173006, with no signal degradation. Consequently, you can place the monitoring system remotely without sacrificing performance.

Maintenance and Reliability

Routine inspection of the 190501-10-00-02 is straightforward. Periodically check the mounting integrity and cable condition. Verify that the output bias voltage remains within 10.1 Vdc ± 1.0 Vdc, as deviations may indicate internal issues. The transducer operates from -40°C to +85°C, so it handles extreme industrial environments. Its shock limit of 5000 g pk ensures survival under severe impacts, reducing the likelihood of damage and replacement costs.

Because the case is 316L stainless steel, it resists corrosion, extending service life. This durability translates into lower total cost of ownership. Therefore, investing in this transducer reduces maintenance frequency and associated labor expenses.

Compatibility and Integration

The 190501-10-00-02 features a MIL-C-5015 connection interface, a standard in industrial vibration monitoring. This allows easy integration with Bently Nevada monitoring systems and other compatible readout devices. The output bias voltage of 10.1 Vdc is typical for velocity transducers, ensuring compatibility with many data acquisition systems. For specific system requirements, consult the official Bently Nevada documentation or contact Petro Auto Tech.

Troubleshooting and Common Issues

If readings seem inaccurate, first verify the mounting torque and surface condition. Loose mounting can cause erroneous amplitude readings. Check the cable for damage, especially at connection points. If the output bias voltage is outside 10.1 Vdc ± 1.0 Vdc, the internal electronics may be faulty. In such cases, replace the transducer. Also, ensure the transducer is not subjected to temperatures beyond -40°C to +85°C, as this can affect performance.

FAQs

Q: What is the sensitivity of the 190501-10-00-02?

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

Q: What is the maximum cable length for this transducer?

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

Q: What are the hazardous area approvals for the 190501-10-00-02?

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

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 this transducer be mounted in any orientation?

A: Yes, the mounting angle is any orientation.

Product Support and Availability

The 190501-10-00-02 is available through Petro Auto Tech, an industrial automation parts supplier. We ensure genuine Bently Nevada products and prompt delivery. Contact Petro Auto Tech for current pricing and lead times.