190501-00-00-04 | Bently Nevada 3.94 mV/mm/s Velocity Transducer

Introduction to the Bently Nevada 190501-00-00-04

When machinery vibration threatens uptime, the 190501-00-00-04 from Bently Nevada provides the reliable data you need. This Velomitor CT velocity transducer is engineered for continuous monitoring in demanding industrial environments. With a sensitivity of 3.94 mV/mm/s (±5%), it accurately captures vibration velocity, enabling early detection of mechanical faults.

Part of the trusted Bently Nevada family, this transducer is built to deliver consistent performance. Its robust design and agency approvals make it a dependable choice for critical rotating equipment.

Key Features and Technical Specifications

The 190501-00-00-04 offers a range of features that ensure precise and reliable operation. Below are the key 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 operating range
• Transverse Response: Less than 5% of axial sensitivity
• Amplitude Linearity: ±2% to 63.5 mm/s pk (2.5 in/s pk)
• Mounted Resonant Frequency: 9 kHz minimum (stud mounted)
• 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) with part number 02173006
• Operating Temperature: -40°C to +85°C (-40°F to +185°F)
• Storage Temperature: -40°C to +100°C (-40°F to +212°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
• Weight: <297 g (10.5 oz) typical
• Mounting Surface: 33 mm diameter (1.3 in)
• Height: 82 mm (3.2 in)
• 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)
• Polarity: Pin A goes positive with respect to Pin B when velocity is from base to top
• Mounting Angle: Any orientation

One standout feature is the intrinsic safety certification (Ex ia IIC T4, AEx ia IIC T4), which allows installation in hazardous areas. This makes the transducer suitable for oil, gas, and chemical applications where explosive atmospheres are a concern.

Applications and Use Cases

The 190501-00-00-04 is ideal for monitoring rotating machinery such as pumps, motors, fans, and turbines. Its wide frequency response and high accuracy enable effective vibration analysis, helping to prevent unplanned downtime. For example, in a petrochemical plant, this transducer can be installed on a critical pump to detect bearing wear early, allowing maintenance teams to schedule repairs before failure occurs. Additionally, its robust construction and agency approvals make it a preferred choice for hazardous area installations.

Installation and Setup

Proper installation is crucial for accurate readings. The transducer can be mounted in any orientation, offering flexibility. Use the specified mounting torque of 4.5 N-m ± 0.6 N-m (40 in-lbf ± 5 in-lbf) to secure it. The 2-pin MIL-C5015 connector simplifies wiring. Ensure the cable length does not exceed 305 meters (1,000 ft) to avoid signal degradation. For hazardous area installations, follow the applicable installation drawing (e.g., drawing 167536) and local regulations.

Maintenance and Reliability

Regular inspection helps maintain performance. Check the transducer and cable for physical damage, and verify that the mounting remains secure. The 316L stainless steel case provides excellent corrosion resistance, enhancing longevity. Because the internal electronics are isolated from the case, grounding issues are minimized. Periodic verification of output bias voltage (10.1 Vdc ± 1.0 Vdc) can confirm proper operation. Following these practices ensures reliable vibration monitoring over the long term.

Compatibility and Integration

The 190501-00-00-04 is designed to work with Bently Nevada monitoring systems and other compatible vibration monitoring equipment. Its standard output signal (sensitivity 3.94 mV/mm/s) allows integration with most data acquisition systems. The MIL-C-5015 connection interface ensures a secure and standardized connection. For detailed integration guidance, consult the official Bently Nevada documentation or contact Petro Auto Tech.

Frequently Asked Questions

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

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

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

Yes, it is certified intrinsically safe (Ex ia IIC T4, AEx ia IIC T4) for Class I, Division 1 and Zone 0/1 applications.

What is the maximum cable length for this transducer?

The maximum cable length is 305 meters (1,000 ft) using cable part number 02173006.

What is the operating temperature range?

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

Product Support and Availability

The 190501-00-00-04 is available from Petro Auto Tech. As a trusted industrial automation parts supplier, Petro Auto Tech ensures genuine products and timely delivery. For current availability and lifecycle status, please contact Petro Auto Tech directly.