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

Introduction to the Bently Nevada 190501-04-00-CN

When rotating machinery fails unexpectedly, unplanned downtime can cost thousands per hour. The Bently Nevada 190501-04-00-CN Velomitor CT velocity transducer helps you avoid such disruptions by providing accurate, continuous vibration monitoring. This robust sensor is engineered for industrial environments where reliability is non-negotiable.

As part of the Velomitor CT series, the 190501-04-00-CN is designed to measure absolute velocity on rotating equipment such as pumps, motors, and fans. Its compact design and rugged construction make it a trusted choice for condition monitoring professionals.

Key Features and Technical Specifications

The 190501-04-00-CN offers a range of performance parameters that ensure precise vibration data collection. Below are the critical specifications:

• 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.
• Temperature Sensitivity: -8% to +5% typical over the operating temperature range.
• Transverse Response: Less than 5% of the axial sensitivity.
• Amplitude Linearity: ±2% to 63.5 mm/s pk (2.5 in/s pk).
• Mounted Resonant Frequency: 9 kHz, minimum (stud mounted, except quick disconnect).
• 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).
• Grounding: Internal electronics are isolated from case.
• Maximum Cable Length: 305 metres (1,000 ft.) of cable (part number 02173006) with no degradation of signal.

These specifications highlight the 190501-04-00-CN's ability to deliver accurate readings across a wide frequency range, making it suitable for diverse industrial applications.

Environmental Durability

The 190501-04-00-CN is built to withstand harsh operating conditions. Its environmental limits ensure dependable performance even in extreme settings:

• Operating Temperature: -40°C to +85°C (-40°F to +185°F).
• Storage Temperature: -40°C to +100°C (-40°F to +212°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, 50-60Hz.

With a 316L stainless steel case and a 2-pin MIL-C5015 connector, this transducer resists corrosion and maintains signal integrity in demanding environments.

Applications and Use Cases

The 190501-04-00-CN is widely used in industries such as oil and gas, power generation, and manufacturing. It monitors vibration on critical rotating equipment, including turbines, compressors, and gearboxes. For example, in a petrochemical plant, this transducer can detect early signs of bearing wear, allowing maintenance teams to schedule repairs before catastrophic failure occurs. Consequently, it helps reduce downtime and extend equipment lifespan.

Moreover, its wide frequency response makes it suitable for both low-speed and high-speed machinery. Whether you are monitoring a cooling fan or a high-speed spindle, the 190501-04-00-CN provides the data needed for effective condition-based maintenance.

Installation and Setup

Proper installation is crucial for accurate vibration measurement. The 190501-04-00-CN features a stud M6x1 mounting option with a 3/8-in 24 adapter, ensuring a secure attachment to the machine surface. The mounting torque should be 4.5 N-m ± 0.6 N-m (40 in-lbf ± 5 in-lbf) to achieve optimal coupling.

The transducer can be mounted in any orientation, offering flexibility in tight spaces. Its maximum cable length of 305 meters allows remote placement of monitoring equipment without signal degradation. For best results, follow the manufacturer's installation guidelines and ensure the mounting surface is clean and flat.

Maintenance and Reliability

Regular inspection of the 190501-04-00-CN helps maintain its performance. Check the mounting integrity periodically, as loose studs can affect readings. Also, verify the cable connections for signs of wear or corrosion. Since the internal electronics are isolated from the case, the risk of ground loops is minimized, enhancing reliability.

Given its robust construction and environmental resilience, this transducer requires minimal maintenance. However, periodic calibration checks are recommended to ensure long-term accuracy. By investing in this reliable sensor, you reduce the likelihood of unexpected failures and associated repair costs.

Compatibility and Integration

The 190501-04-00-CN is compatible with Bently Nevada monitoring systems and other data acquisition equipment that accept velocity transducer inputs. Its MIL-C-5015 connection interface ensures a standardized, secure connection. The output bias voltage of 10.1 Vdc is typical for such sensors, making integration straightforward.

For new installations, verify that your monitoring system supports the transducer's sensitivity and frequency range. The 190501-04-00-CN's performance parameters are well-documented, allowing engineers to configure their systems accurately.

Frequently Asked Questions

What is the sensitivity of the 190501-04-00-CN?

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

What is the maximum cable length for this transducer?

The maximum cable length is 305 meters (1,000 feet) with no signal degradation.

Can the 190501-04-00-CN be used in hazardous areas?

Yes, it is approved for intrinsically safe applications (Ex ia IIC T4) per the provided data.

What is the operating temperature range?

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

Product Support and Availability

The Bently Nevada 190501-04-00-CN is available through Petro Auto Tech. Contact our team for pricing and lead times. We are committed to helping you maintain your machinery with high-quality components.