190501-00-00-04 | Bently Nevada 100 mV/in/s Velocity Transducer

Introduction to the 190501-00-00-04

In the evolving landscape of industrial machinery protection, accurate vibration measurement has become a cornerstone of predictive maintenance. The 190501-00-00-04 from Bently Nevada represents a robust solution for capturing velocity data in demanding environments. As a Velomitor CT velocity transducer, it converts mechanical motion into an electrical signal, enabling operators to assess machine health with confidence.

This model is designed for continuous monitoring applications where reliability and precision are non-negotiable. With its compact form factor and rugged construction, the 190501-00-00-04 integrates seamlessly into existing condition monitoring systems, helping to reduce unplanned downtime and extend asset life.

Key Features and Technical Specifications

The 190501-00-00-04 is engineered to deliver consistent performance across a wide range of operating conditions. Below are the critical specifications that define its capabilities:

• 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)
• Maximum Cable Length: 305 meters (1,000 ft) with part number 02173006
• Operating Temperature: -40°C to +85°C (-40°F to +185°F)
• Shock Limit: 5000 g pk, maximum
• Humidity Limit: 100% condensing, non-submerged
• Case Material: 316L stainless steel
• Weight: <297 g (10.5 oz), typical

One distinctive feature is the mounted resonant frequency of 9 kHz minimum, which ensures accurate measurement even in high-frequency vibration environments. This characteristic makes the 190501-00-00-04 particularly suitable for rotating machinery such as turbines, compressors, and pumps.

Applications and Use Cases

The 190501-00-00-04 is widely used in industries where machinery reliability is critical, including oil and gas, power generation, and manufacturing. In these settings, the transducer monitors vibration levels to detect early signs of bearing wear, imbalance, or misalignment. For example, in a petrochemical plant, the 190501-00-00-04 can be mounted on a centrifugal compressor to provide continuous data that triggers alarms before catastrophic failure occurs.

Furthermore, its intrinsic safety approvals allow installation in hazardous areas, making it a versatile choice for facilities with explosive atmospheres. The transducer's ability to operate in temperatures from -40°C to +85°C ensures dependable performance in both arctic and desert climates.

Installation and Setup

Proper installation is essential for maximizing the performance of the 190501-00-00-04. The transducer features a 2-pin 316L stainless steel MIL-C-5015 connector on top, and it can be mounted in any orientation. The mounting torque should be 4.5 N-m ± 0.6 N-m (40 in-lbf ± 5 in-lbf). Ensure the mounting surface is clean and flat to achieve optimal coupling.

When routing the cable, maintain a minimum bend radius and avoid sharp edges that could damage the insulation. The maximum cable length of 305 meters allows flexibility in positioning the transducer relative to the monitoring system. For hazardous area installations, follow the wiring diagram provided in drawing 167536 to maintain intrinsic safety.

Maintenance and Reliability

Routine maintenance of the 190501-00-00-04 is straightforward due to its rugged design. The 316L stainless steel case resists corrosion, and the internal electronics are isolated from the case, reducing the risk of ground loops. Periodic inspection of the cable and connector is recommended to ensure no physical damage has occurred.

Given the transducer's solid-state construction, there are no moving parts to wear out, which contributes to a long service life. This reliability translates into lower total cost of ownership, as fewer replacements and less frequent calibration are needed compared to less robust sensors.

Compatibility and Integration

The 190501-00-00-04 is designed to work with Bently Nevada monitoring systems, such as the 3500 series and SCOUT200, but it can also interface with other data acquisition systems that accept standard velocity transducer inputs. The MIL-C-5015 connection interface ensures a secure and standardized electrical connection.

For existing installations, this transducer can serve as a direct replacement for older models, provided the mounting and electrical specifications match. Always verify compatibility with your specific monitor before ordering.

Troubleshooting and Common Issues

If the 190501-00-00-04 fails to provide a signal, first check the cable continuity and connector integrity. A common issue is loose connections due to vibration, so ensure the connector is properly tightened. Additionally, verify that the bias voltage at Pin A is within 10.1 Vdc ± 1.0 Vdc; deviations may indicate a problem with the transducer or the power supply.

Another potential issue is signal noise, which can be minimized by routing the cable away from high-voltage lines and ensuring proper grounding. If the transducer is exposed to extreme shock beyond its 5000 g limit, recalibration may be necessary.

FAQ about the 190501-00-00-04

Q: What is the sensitivity of the 190501-00-00-04?

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

Q: Can the 190501-00-00-04 be used in hazardous areas?

A: Yes, it has intrinsic safety approvals including ATEX/IECEx/CSA for Class I, Zone 0/1.

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.

Q: What is the operating temperature range?

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

Q: How should the transducer be mounted?

A: It can be mounted in any orientation with a torque of 4.5 N-m ± 0.6 N-m.

Product Support and Availability

The 190501-00-00-04 is available through Petro Auto Tech, an authorized distributor of industrial automation parts. We maintain a stock of this model to ensure prompt delivery. For technical assistance or to verify current lifecycle status, please contact our team.