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

Introduction to the 190501-09-00-CN

When machine vibration threatens uptime, the 190501-09-00-CN from Bently Nevada provides accurate, real-time velocity measurements. This Velomitor CT velocity transducer is engineered for industrial rotating equipment, offering dependable data for predictive maintenance and protection systems.

With a sensitivity of 3.94 mV/mm/s (100 mV/in/s) ±5%, the transducer converts mechanical motion into a clear electrical signal. Its frequency response spans 3.0 Hz to 900 Hz (180 to 54,000 cpm) within ±1.0 dB, ensuring precise detection of common machine faults.

Key Features and Technical Specifications

The 190501-09-00-CN is built to perform in demanding environments. Its specifications are tailored for industrial vibration monitoring, delivering consistent results across a wide range of conditions.

• 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.
• 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 metres (1,000 ft.) with part number 02173006, no signal degradation.
• 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.
• 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).
• Weight: <297 g (10.5 oz.), typical.

The transducer's internal electronics are isolated from the case, reducing ground loop issues. Its mounting surface is 33 mm diameter (1.3 in), and the height is 82 mm (3.2 in). The mounting hardware option is a plate stud 3/8-in 24 to 1/4-in NPT.

Applications and Use Cases

The 190501-09-00-CN is suitable for monitoring pumps, motors, fans, and other rotating machinery. Its wide frequency response captures both low-speed and high-speed vibrations, making it versatile across industries such as power generation, oil and gas, and manufacturing.

For example, in a chemical plant, the transducer can be mounted on a centrifugal pump to detect bearing wear or imbalance. Early detection allows maintenance teams to schedule repairs before catastrophic failure, reducing downtime and repair costs.

Installation and Setup

Proper installation is critical for accurate readings. The transducer can be mounted in any orientation, offering flexibility in tight spaces. Use the specified mounting torque of 4.5 N-m ± 0.6 N-m to ensure a secure fit without damaging the case.

Connect the MIL-C-5015 connector, ensuring Pin A is referenced to Pin B for the output bias voltage. The maximum cable length of 305 metres allows remote monitoring without signal loss. Always follow the manufacturer's manual for detailed wiring and mounting instructions.

Maintenance and Reliability

Routine inspection is essential to maintain performance. Check the mounting integrity periodically, especially in high-vibration environments. Verify the output bias voltage remains within 10.1 Vdc ± 1.0 Vdc to confirm the transducer is functioning correctly.

The 316L stainless steel case resists corrosion, and the internal isolation reduces electrical interference. With proper care, the transducer provides years of reliable service, contributing to lower maintenance costs and improved asset availability.

Compatibility and Integration

The 190501-09-00-CN is designed to work with Bently Nevada monitoring systems and other vibration data acquisition equipment. Its standard MIL-C-5015 connection interface simplifies integration into existing setups.

For new installations, ensure the transducer's output is compatible with your monitoring system's input requirements. The dynamic output impedance of less than 400 Ω typical ensures signal integrity over long cable runs.

Troubleshooting and Common Issues

If readings appear erratic, first check the cable connection and condition. A damaged cable can cause signal loss or noise. Verify the mounting torque, as a loose mount can introduce spurious vibrations.

Monitor the output bias voltage; a deviation beyond ±1.0 Vdc may indicate internal damage. If the transducer has been subjected to shock beyond 5000 g pk, it may require recalibration or replacement. Always consult the official Bently Nevada documentation for detailed diagnostics.

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%.

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

A: The agency approval option for this model is CN Country Specific. For hazardous area approvals, refer to the official datasheet or contact Petro Auto Tech.

Q: What is the operating temperature range?

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

Product Support and Availability

The 190501-09-00-CN is available through Petro Auto Tech, your trusted industrial automation parts supplier. We ensure prompt delivery and competitive pricing. Contact our team for availability and lead times.