190501-09-00-CN | Bently Nevada 100 mV/in/s Velocity Transducer

Introduction to the 190501-09-00-CN

When rotating machinery begins to vibrate abnormally, the 190501-09-00-CN from Bently Nevada provides the precise measurement needed to detect problems early. This Velomitor CT velocity transducer converts mechanical vibration into an electrical signal, enabling continuous monitoring of critical assets. With a sensitivity of 3.94 mV/mm/s (100 mV/in/s) ±5%, it delivers consistent performance across a wide range of industrial applications.

Engineered for reliability, the 190501-09-00-CN features a 316L stainless steel case and a 2-pin MIL-C-5015 connector. Its robust design withstands harsh environments, including temperatures from -40°C to +85°C and 100% condensing humidity. This transducer is an essential component for predictive maintenance programs, helping to reduce unplanned downtime and extend equipment life.

Key Features and Technical Specifications

The 190501-09-00-CN offers a comprehensive set of specifications that ensure accurate and reliable vibration monitoring. Below are the key parameters:

• 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 operating range
• Transverse Response: Less than 5% of axial sensitivity
• Amplitude Linearity: ±2% to 63.5 mm/s pk (2.5 in/s pk)
• Mounted Resonant Frequency: 9 kHz minimum (stud mounted)
• 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 isolated from case
• Maximum Cable Length: 305 meters (1,000 ft) with part number 02173006
• 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, 50-60 Hz
• Weight: <297 g (10.5 oz) typical
• Mounting Surface: 33 mm diameter (1.3 in)
• Height: 82 mm (3.2 in)
• Case Material: 316L stainless steel
• Connector: 2-pin 316L stainless steel MIL-C-5015, 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
• Mounting Angle: Any orientation

One distinctive feature is the broadband noise of 0.229 mm/s pk, which ensures a clean signal even in low-vibration environments. This low noise floor allows for accurate detection of subtle changes in machinery condition, making it ideal for early fault diagnosis.

Applications and Use Cases

The 190501-09-00-CN is suitable for a wide range of rotating equipment, including pumps, fans, compressors, and motors. Its rugged construction and wide temperature range make it a reliable choice for both indoor and outdoor installations. For example, in a chemical processing plant, this transducer can monitor pump vibration to prevent seal failures and bearing wear, thereby reducing maintenance costs and improving safety.

Furthermore, the transducer's ability to operate in 100% condensing humidity makes it suitable for washdown environments or coastal installations. Its internal grounding isolation helps prevent ground loops, ensuring signal integrity in complex industrial settings.

Installation and Setup

Proper installation is crucial for accurate vibration measurement. The 190501-09-00-CN comes with a plate stud mounting option (3/8-in 24 to 1/4-in NPT) and a MIL-C-5015 connection interface. When mounting, ensure the mounting surface is clean and flat to achieve the specified resonant frequency of 9 kHz minimum. Apply the recommended mounting torque of 4.5 N-m ± 0.6 N-m to secure the transducer without damaging the threads.

The transducer can be mounted at any angle, offering flexibility in tight spaces. For best results, use the specified cable (part number 02173006) up to 305 meters without signal degradation. Always follow the manufacturer's installation drawing (167536) for agency-approved installations.

Maintenance and Reliability

Routine inspection of the transducer and its mounting is recommended to ensure long-term reliability. Check for any signs of physical damage, corrosion, or loose connections. The 316L stainless steel case provides excellent corrosion resistance, but periodic cleaning with a soft cloth may be necessary in dirty environments.

Because the transducer has no moving parts, it offers a long service life with minimal maintenance. Its robust design reduces the risk of failure, contributing to lower lifecycle costs. By integrating the 190501-09-00-CN into a predictive maintenance program, you can avoid costly unplanned outages and extend the life of your machinery.

Compatibility and Integration

The 190501-09-00-CN is designed to work with Bently Nevada monitoring systems and other compatible vibration monitoring equipment. Its standard MIL-C-5015 connector ensures easy integration with existing cabling. The transducer's output bias voltage of 10.1 Vdc is compatible with most data acquisition systems.

For new installations, the transducer can be paired with Bently Nevada monitors to create a complete vibration monitoring solution. Always verify compatibility with your specific system before ordering.

Frequently Asked Questions

Q: What is the sensitivity of the 190501-09-00-CN?

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

Q: Can the 190501-09-00-CN be used in hazardous areas?

A: Yes, certain agency approval options (01 through 04) are intrinsically safe (Ex ia IIC T4) and non-incendive (Ex nL IIC T4). The CN option is country-specific; verify your requirements.

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

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

Q: What mounting torque should be applied?

A: The recommended mounting torque is 4.5 N-m ± 0.6 N-m (40 in-lbf ± 5 in-lbf).

Q: Is the 190501-09-00-CN suitable for outdoor use?

A: Yes, it operates from -40°C to +85°C and can withstand 100% condensing humidity, making it suitable for outdoor and washdown environments.

Product Support and Availability

The 190501-09-00-CN is available from Petro Auto Tech, a trusted industrial automation parts supplier. We ensure genuine Bently Nevada products with reliable delivery. Contact our team for pricing and availability, or to discuss your specific application needs.