190501-02-00-00 | Bently Nevada Velomitor CT Velocity Transducer

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

When rotating machinery fails unexpectedly, the costs can escalate quickly. The 190501-02-00-00 from Bently Nevada provides a dependable solution for continuous vibration monitoring. This Velomitor CT Velocity Transducer is engineered to help you detect issues early, reducing downtime and maintenance expenses.

With a sensitivity of 3.94 mV/mm/s (100 mV/in/s) ±5%, this transducer offers accurate velocity measurements. Its frequency response spans 3.0 Hz to 900 Hz (180 to 54,000 cpm) ±1.0 dB, ensuring you capture critical vibration data across a wide range of operating conditions.

Key Features and Technical Specifications

The 190501-02-00-00 is built for reliability and precision. Below are the core specifications that make it a valuable asset for your monitoring system:

• 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
• Extended Frequency Range: 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 meters (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
• Magnetic Field Susceptibility: <0.0068 mm/s/gauss (0.268 mil/s/gauss) @ 50 gauss, 50-60 Hz
• Weight: <297 g (10.5 oz), typical
• Case Material: 316L stainless steel
• Connector: 2-pin 316L stainless steel MIL-C5015, top
• Mounting Torque: 4.5 N-m ± 0.6 N-m (40 in-lbf ± 5 in-lbf)
• Polarity: Pin A goes positive with respect to Pin B when velocity is from base to top

One standout feature is the internal electronics isolated from the case, which enhances signal integrity and reduces interference. This isolation helps maintain accurate readings, even in electrically noisy environments, ultimately protecting your investment by preventing false alarms or missed faults.

Applications and Use Cases

The 190501-02-00-00 is ideal for monitoring rotating equipment such as pumps, motors, fans, and compressors. Its robust design and wide frequency response make it suitable for both low-speed and high-speed machinery. For example, in a petrochemical plant, this transducer can be installed on critical pumps to detect bearing wear or imbalance early, allowing planned maintenance instead of costly emergency shutdowns. Additionally, its 100% condensing humidity limit means it can operate in harsh, moisture-rich environments without performance degradation, reducing replacement frequency and long-term costs.

Installation and Setup

Proper installation is key to maximizing the performance of the 190501-02-00-00. The transducer features a stud mounting option (3/8-in 24 to 1/2-in 20) for secure attachment. Ensure the mounting surface is clean and flat to achieve optimal coupling. Apply the recommended mounting torque of 4.5 N-m ± 0.6 N-m (40 in-lbf ± 5 in-lbf) to avoid over-tightening, which could damage the unit. The MIL-C-5015 connection interface simplifies wiring, and the transducer can be mounted in any orientation, offering flexibility in tight spaces.

Maintenance and Reliability

To ensure long-term reliability, periodic inspection of the transducer and its cable is recommended. Check for any signs of physical damage or corrosion, especially in harsh environments. The 316L stainless steel case provides excellent corrosion resistance, extending the service life and reducing replacement costs. Since the internal electronics are isolated from the case, there is less risk of ground loops, which can cause measurement errors. Regular verification of the output bias voltage (10.1 Vdc ± 1.0 Vdc) can help confirm the transducer is functioning correctly.

Compatibility and Integration

The 190501-02-00-00 is designed to integrate seamlessly with Bently Nevada monitoring systems. Its standard MIL-C-5015 connector ensures compatibility with existing cabling infrastructure. The maximum cable length of 305 meters (1,000 ft) allows for flexible placement of monitoring equipment, reducing the need for additional signal conditioning. This compatibility simplifies upgrades and minimizes installation costs.

Frequently Asked Questions

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

A: The sensitivity is 3.94 mV/mm/s (100 mV/in/s) ±5%, providing accurate velocity measurements.

Q: What is the operating temperature range?

A: The transducer operates from -40°C to +85°C (-40°F to +185°F), suitable for extreme conditions.

Q: Can the 190501-02-00-00 be used in hazardous areas?

A: This specific model (agency approval option 00) has no approvals. For intrinsically safe versions, refer to options 01 through 04.

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.

Product Support and Availability

The 190501-02-00-00 is available through Petro Auto Tech, your trusted industrial automation parts supplier. We ensure prompt shipping and competitive pricing to keep your operations running smoothly. Contact us for availability and lead times.