190501-01-00-00 | Bently Nevada 3.94 mV/mm/s Velocity Transducer

Why Choose the Bently Nevada 190501-01-00-00 Velocity Transducer?

When machinery vibration threatens uptime, accurate measurement is non-negotiable. The 190501-01-00-00 from Bently Nevada provides the precision you need to detect issues early. This Velomitor CT velocity transducer is engineered for industrial environments where reliability matters most.

With a sensitivity of 3.94 mV/mm/s (100 mV/in/s) ±5%, this transducer delivers consistent, repeatable data. Its frequency response spans 3.0 Hz to 900 Hz (180 to 54,000 cpm) within ±1.0 dB, ensuring you capture critical vibration signatures across a wide operating range.

Key Features and Technical Specifications

The 190501-01-00-00 is built to perform under demanding conditions. Below are the core specifications that make it a trusted choice for condition monitoring:

• 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 isolated from case
• Maximum Cable Length: 305 metres (1,000 ft.) of cable (part number 02173006) with no degradation of signal

This transducer also features a rugged 316L stainless steel case and connector, ensuring durability in harsh environments. The mounting surface is 33 mm diameter (1.3 in), and the height is 82 mm (3.2 in). It weighs less than 297 g (10.5 oz.), making it lightweight yet robust.

Applications and Use Cases

In rotating machinery monitoring, the 190501-01-00-00 excels at capturing velocity signals that indicate mechanical health. It is ideal for applications such as pumps, fans, motors, and gearboxes where early fault detection can prevent costly downtime. For example, in a chemical plant, this transducer can monitor a critical pump's vibration, alerting operators to bearing wear before failure occurs.

Furthermore, its wide frequency response and low transverse response ensure accurate readings even in complex vibration environments. This makes it a versatile tool for predictive maintenance programs across various industries.

Installation and Setup

Proper installation is key to maximizing the performance of the 190501-01-00-00. The transducer features a stud mounting option (3/8-in 24 to 3/8-in 24) and a MIL-C-5015 connection interface. Ensure the mounting surface is clean and flat to achieve optimal coupling. The recommended mounting torque is 4.5 N-m ± 0.6 N-m (40 in-lbf ± 5 in-lbf).

Polarity is important: Pin A goes positive with respect to Pin B when velocity is from base to top of the transducer. The transducer can be mounted in any orientation, offering flexibility in tight spaces. For best results, follow the manufacturer's installation guidelines and use the specified cable (part number 02173006) for maximum signal integrity.

Maintenance and Reliability

To ensure long-term reliability, periodic inspection of the transducer and its mounting is recommended. Check for any signs of physical damage or loosening. The 316L stainless steel construction resists corrosion, making it suitable for harsh environments. The internal electronics are isolated from the case, reducing the risk of ground loops.

Regularly verify the output bias voltage (10.1 Vdc ± 1.0 Vdc) to confirm proper operation. If readings drift, consult the Bently Nevada documentation or contact Petro Auto Tech for support.

Compatibility and Integration

The 190501-01-00-00 is designed to integrate seamlessly with Bently Nevada monitoring systems. Its standard MIL-C-5015 connector and 305-meter cable capability allow for flexible installation. While specific system compatibility is not listed, this transducer is a direct replacement for many existing velocity sensors in industrial plants.

For integration guidance, refer to the official Bently Nevada datasheet or contact Petro Auto Tech for expert advice.

Troubleshooting and Common Issues

If you encounter inconsistent readings, first check the mounting torque and surface condition. A loose mount can cause erroneous signals. Also, verify that the cable length does not exceed 305 meters, as longer runs may degrade signal quality. The output bias voltage should remain within 10.1 Vdc ± 1.0 Vdc; deviations may indicate a damaged transducer or wiring issue.

For persistent problems, consult the Bently Nevada manual or reach out to Petro Auto Tech for technical support.

Frequently Asked Questions

Q: What is the sensitivity of the 190501-01-00-00?

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: What is the operating temperature range?

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

Q: Is the 190501-01-00-00 intrinsically safe?

A: The agency approval option for this specific part number (00) indicates no approvals. For intrinsically safe versions, refer to Bently Nevada options 01 through 04.

Q: What is the mounting torque requirement?

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

Product Support and Availability

The 190501-01-00-00 is available from Petro Auto Tech, your trusted industrial automation parts supplier. We ensure fast delivery and competitive pricing. Contact us today to check stock and place your order.