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

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

When machine vibration threatens uptime, the 190501-00-00-00 from Bently Nevada provides accurate, real-time data. This Velomitor CT velocity transducer is engineered for industrial rotating equipment. It converts mechanical velocity into an electrical signal. That signal helps you assess machine health. Consequently, you can plan maintenance before failures occur.

This model features a sensitivity of 3.94 mV/mm/s (100 mV/in/s) with a tolerance of ±5%. Such precision supports condition monitoring. Therefore, you gain confidence in your vibration readings. The transducer is built for harsh environments. Its 316L stainless steel case ensures durability. Additionally, the internal electronics are isolated from the case. This design reduces electrical interference.

Key Features and Technical Specifications

The 190501-00-00-00 offers a range of specifications that suit demanding applications. Below are the core parameters:

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

These specs highlight the transducer's capability. For instance, the wide frequency response covers typical machine vibration ranges. Moreover, the low output impedance ensures signal integrity over long cable runs. Therefore, you can place the monitoring system remotely.

Environmental and Mechanical Durability

Industrial environments demand robust components. The 190501-00-00-00 operates from -40°C to +85°C (-40°F to +185°F). Storage temperature extends to -40°C to +100°C (-40°F to +212°F). This range suits outdoor or high-temperature areas. Additionally, the unit withstands shock up to 5000 g pk. Humidity limits reach 100% condensing, non-submerged. Magnetic field susceptibility is less than 0.0068 mm/s/gauss (0.268 mil/s/gauss) at 50 gauss, 50-60 Hz. Such resilience reduces replacement frequency. Hence, it supports long-term reliability.

Mechanically, the transducer is compact. It weighs less than 297 g (10.5 oz). The mounting surface is 33 mm diameter (1.3 in). Height is 82 mm (3.2 in). The case material is 316L stainless steel. The connector is a 2-pin 316L stainless steel MIL-C-5015, top-mounted. Mounting torque is 4.5 N-m ± 0.6 N-m (40 in–lbf ± 5 in-lbf). Polarity is defined: Pin A goes positive with respect to Pin B when velocity is from base to top. Mounting angle is any orientation. These features simplify installation. Therefore, you can integrate it into existing systems with ease.

Applications and Use Cases

The 190501-00-00-00 is ideal for monitoring rotating machinery. Common applications include pumps, motors, fans, and compressors. In such equipment, vibration indicates bearing wear or imbalance. By detecting these early, you avoid unplanned downtime. Moreover, the transducer's frequency response covers low to medium speeds. This makes it versatile across various machine types. For example, a plant engineer might install it on a cooling tower fan. The output helps track vibration trends. Consequently, maintenance teams can schedule repairs during planned outages.

Another use case is in paper mills or steel plants. Here, continuous operation is critical. The transducer's rugged design withstands harsh conditions. Its stainless steel case resists corrosion. Therefore, it performs reliably in wet or dusty environments. Additionally, the internal isolation reduces noise from ground loops. This ensures accurate readings even in electrically noisy areas.

Installation and Setup

Proper installation is key to accurate measurements. The 190501-00-00-00 comes with a mounting hardware option of no stud. You need to provide a suitable mounting method. The mounting surface is 33 mm diameter. Ensure the surface is clean and flat. Apply the recommended mounting torque of 4.5 N-m ± 0.6 N-m. This prevents loosening due to vibration. The connection interface is MIL-C-5015. This standard connector ensures secure wiring. Polarity matters: Pin A positive with respect to Pin B for base-to-top velocity. Follow the wiring diagram in the manual. For best results, mount the transducer directly on the machine housing. Avoid long unsupported cable runs. Use the specified cable length up to 305 meters. This maintains signal quality.

Maintenance and Reliability

Routine maintenance is straightforward. Periodically inspect the transducer for physical damage. Check the mounting integrity. Verify that the cable is securely connected. Environmental factors like extreme temperatures or humidity can affect performance. However, the design handles these well. The internal electronics are sealed. Therefore, moisture ingress is minimized. Over time, sensitivity may drift. But within the specified tolerance. To ensure ongoing accuracy, recalibrate per manufacturer's recommendations. This proactive approach extends service life. Consequently, you reduce total cost of ownership.

Compatibility and Integration

The 190501-00-00-00 is designed to work with Bently Nevada monitoring systems. It provides a standard velocity signal. This signal is compatible with many vibration monitors. The output bias voltage is 10.1 Vdc. This allows direct connection to data acquisition units. The low output impedance ensures minimal signal loss. Therefore, integration is straightforward. For specific compatibility, consult the official documentation. Alternatively, contact Petro Auto Tech for guidance.

Frequently Asked Questions

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

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

Q: What is the operating temperature range?

A: It operates from -40°C to +85°C (-40°F to +185°F). Storage range is -40°C to +100°C.

Q: Can the transducer be used in hazardous areas?

A: This specific model (Agency Approval Option 00) has no approvals. For hazardous locations, consider options with intrinsic safety ratings.

Q: What is the maximum cable length?

A: Up to 305 meters (1,000 ft) of cable (part number 02173006) can be used without signal degradation.

Q: How do I mount the transducer?

A: Use a flat 33 mm diameter surface. Apply a mounting torque of 4.5 N-m ± 0.6 N-m. The mounting angle can be any orientation.

Product Support and Availability

Petro Auto Tech offers the 190501-00-00-00 as a genuine Bently Nevada product. We ensure reliable sourcing. For current availability and lifecycle status, please contact Petro Auto Tech. Our team can assist with technical questions. We aim to support your maintenance needs.