190501-09-00-CN | Bently Nevada Velomitor CT Velocity Transducer

Introduction to the 190501-09-00-CN

When unplanned downtime threatens production, the 190501-09-00-CN from Bently Nevada provides accurate velocity measurements to keep rotating equipment running smoothly. This Velomitor CT velocity transducer is engineered for harsh industrial environments, offering a robust 316L stainless steel case and a frequency response from 3.0 Hz to 900 Hz. With a sensitivity of 3.94 mV/mm/s (±5%), it delivers consistent data for predictive maintenance programs.

Manufactured in the U.S.A., this transducer is designed to meet the demands of continuous operation. Its compact design, weighing only 0.297 kg, simplifies installation in tight spaces. The 190501-09-00-CN is part of the trusted Bently Nevada family, known for reliability in vibration monitoring.

Key Features and Technical Specifications

The 190501-09-00-CN offers a range of features that enhance its performance in industrial settings. Below are the core 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: 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 ensure accurate and stable readings, even in challenging conditions. The transducer's robust design minimizes errors from base strain and transverse motion, making it a dependable choice for critical machinery.

Applications and Use Cases

The 190501-09-00-CN is suitable for a wide range of rotating equipment, including pumps, motors, fans, and compressors. Its frequency response covers typical machine vibration ranges, allowing early detection of imbalance, misalignment, and bearing wear. In addition, the transducer's high shock limit of 5000 g pk ensures survival in severe operating conditions.

For example, in a chemical plant, continuous monitoring of pump vibration can prevent catastrophic failures. The 190501-09-00-CN provides the data needed to schedule maintenance before breakdowns occur, reducing downtime and repair costs. Its compatibility with standard Bently Nevada monitoring systems simplifies integration into existing setups.

Installation and Mounting

Proper installation is crucial for accurate vibration measurement. The 190501-09-00-CN features a plate stud mounting option (3/8-in 24 to 1/4-in NPT) and a MIL-C-5015 connection interface. The mounting torque should be 4.5 N-m ± 0.6 N-m (40 in-lbf ± 5 in-lbf) to ensure a secure fit.

The transducer can be mounted in any orientation, offering flexibility in placement. For best results, mount the transducer on a flat, clean surface to avoid signal distortion. The internal electronics are isolated from the case, reducing ground loop issues. Always follow the manufacturer's installation guidelines to maintain performance.

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 resistance to harsh environments, but periodic cleaning may be necessary in dirty atmospheres.

Because the transducer has no moving parts, it requires minimal maintenance. However, verifying the output bias voltage periodically can help detect potential issues early. The operating temperature range of -40°C to +85°C allows use in extreme conditions, and the humidity limit of 100% condensing (non-submerged) adds to its robustness.

Compatibility and Integration

The 190501-09-00-CN is designed to work with Bently Nevada monitoring systems. Its output signal is compatible with standard vibration monitoring equipment, making integration straightforward. The transducer's grounding isolation helps prevent interference in industrial environments.

For new installations, the included mounting hardware and connection options simplify setup. The maximum cable length of 305 metres (1,000 ft.) allows flexible placement of monitoring equipment. Always consult the system manual to ensure proper configuration.

Troubleshooting and Common Issues

If the transducer does not provide a signal, check the cable connections and verify the output bias voltage. A reading near 10.1 Vdc indicates proper operation. If the signal is noisy, ensure the mounting surface is clean and the transducer is properly torqued.

Excessive vibration levels may indicate a machinery problem rather than a transducer issue. Use the frequency response data to interpret the readings correctly. If problems persist, consult the Bently Nevada documentation or contact Petro Auto Tech for technical 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%.

Q: What is the operating temperature range?

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

Q: Can the transducer be mounted in any orientation?

A: Yes, the mounting angle can be any orientation.

Q: What is the maximum cable length?

A: The maximum cable length is 305 metres (1,000 ft.) with no signal degradation.

Q: Is the 190501-09-00-CN intrinsically safe?

A: The agency approval option for this part number is CN Country Specific; other options (01-04) offer intrinsic safety ratings.

Product Support and Availability

The 190501-09-00-CN is available from Petro Auto Tech, an industrial automation parts supplier. We stock genuine Bently Nevada products and offer competitive pricing. Contact us for current availability and delivery options.

For technical assistance, our team can provide guidance on installation and troubleshooting. Trust Petro Auto Tech for reliable parts and expert support.