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

Introduction to the Bently Nevada 190501-09-00-CN

When machinery vibration threatens uptime, the 190501-09-00-CN from Bently Nevada provides accurate, dependable measurement. This Velomitor CT velocity transducer is engineered for continuous monitoring in demanding industrial environments. With a sensitivity of 3.94 mV/mm/s (100 mV/in/s) ±5%, it converts mechanical velocity into a clear electrical signal. Maintenance engineers trust this sensor for its robust construction and consistent performance.

Key Features and Technical Specifications

The 190501-09-00-CN offers a range of specifications that support precise vibration analysis. Each parameter is designed to meet the needs of rotating machinery monitoring.

• Sensitivity: 3.94 mV/mm/s (100 mV/in/s) ±5% ensures accurate velocity measurement.
• Frequency Response: 3.0 Hz to 900 Hz (180 to 54,000 cpm) ±1.0 dB for reliable detection of common vibration frequencies.
• Extended Range: 1.5 Hz to 1.0 kHz (90 to 60,000 cpm) ±3.0 dB broadens monitoring capability.
• Output Bias Voltage: 10.1 Vdc ± 1.0 Vdc (Pin A referenced to Pin B) provides a stable signal baseline.
• Dynamic Output Impedance: Less than 400 Ω typical ensures compatibility with most monitoring systems.
• Mounted Resonant Frequency: 9 kHz minimum (stud mounted) avoids interference in typical operating ranges.
• Amplitude Linearity: ±2% to 63.5 mm/s pk (2.5 in/s pk) maintains accuracy across the measurement span.
• Case Material: 316L stainless steel offers corrosion resistance for harsh environments.

These specifications make the 190501-09-00-CN a reliable choice for predictive maintenance programs.

Applications and Use Cases

This velocity transducer is suited for monitoring fans, pumps, motors, and other rotating equipment. Its frequency response covers typical machine vibration signatures, allowing early detection of imbalance, misalignment, or bearing wear. The transducer's robust design supports continuous operation in industrial settings. Maintenance teams can integrate it into existing condition monitoring systems to enhance reliability.

Installation and Setup

Proper installation is critical for accurate readings. The 190501-09-00-CN includes a plate stud mounting option (3/8-in 24 to 1/4-in NPT) for secure attachment. The MIL-C-5015 connection interface simplifies wiring. Mounting torque should be 4.5 N-m ± 0.6 N-m (40 in-lbf ± 5 in-lbf) to ensure optimal coupling. The transducer can be mounted at any angle, offering flexibility in tight spaces. Always follow the manufacturer's guidelines for best results.

Maintenance and Reliability

Routine inspection of the transducer and its mounting is recommended to verify secure attachment and cable integrity. The 316L stainless steel case withstands corrosive environments, reducing maintenance frequency. With a shock limit of 5000 g pk and humidity resistance up to 100% condensing (non-submerged), the sensor is built for longevity. Regular checks help maintain measurement accuracy and extend service life.

Compatibility and Integration

The 190501-09-00-CN outputs a standard velocity signal compatible with most Bently Nevada monitoring systems. Its low output impedance (<400 Ω) allows cable runs up to 305 metres (1,000 ft.) without signal degradation. The internal electronics are isolated from the case, reducing ground loop issues. This makes integration straightforward for both new installations and retrofits.

Troubleshooting and Common Issues

If readings seem erratic, verify the mounting torque and cable connections. Check for damage to the MIL-C-5015 connector. Ensure the transducer is not exposed to temperatures beyond -40°C to +85°C operating range. For persistent issues, consult the Bently Nevada manual or contact Petro Auto Tech for support.

FAQ about the 190501-09-00-CN

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%, providing accurate velocity measurement.

Q: Can the transducer be used in hazardous areas?

A: The 190501-09-00-CN with agency approval option CN is country-specific; for intrinsically safe options, refer to the datasheet.

Q: What is the maximum cable length?

A: Up to 305 metres (1,000 ft.) of cable can be used without signal degradation.

Q: What is the operating temperature range?

A: The transducer operates from -40°C to +85°C (-40°F to +185°F).

Q: Is the transducer sensitive to mounting orientation?

A: No, it can be mounted at any angle, offering installation flexibility.

Product Support and Availability

The 190501-09-00-CN is available from Petro Auto Tech. Contact our team for current pricing and lead times. We are ready to assist with your vibration monitoring needs.