190501-07-00-04 | Bently Nevada Velomitor CT Velocity Transducer

Why Choose the 190501-07-00-04 Velomitor CT Velocity Transducer?

When rotating machinery operates under demanding conditions, accurate vibration measurement is critical. The 190501-07-00-04 from Bently Nevada provides precise velocity sensing to help you detect issues early. This transducer is engineered for industrial environments where reliability and safety are paramount.

With a sensitivity of 3.94 mV/mm/s (±5%), the 190501-07-00-04 delivers consistent performance across a broad frequency range. Its robust design and agency approvals make it a trusted choice for critical applications.

Key Features and Technical 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.
• 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.

The 190501-07-00-04 also features a mounted resonant frequency of 9 kHz minimum (stud mounted, except quick disconnect) and amplitude linearity of ±2% to 63.5 mm/s pk. These specs ensure accurate readings even in high-vibration environments.

Applications and Use Cases

This velocity transducer is ideal for monitoring rotating equipment such as pumps, motors, and fans. Its rugged construction and environmental ratings make it suitable for harsh industrial settings. For example, in a petrochemical plant, the 190501-07-00-04 can provide early warning of bearing wear, helping to prevent unplanned downtime.

Because it is CSA/NRTL/C (Class I, Division 1) and ATEX/IECEx/CSA (Class I, Zone 0/1) certified, you can deploy it in hazardous areas with confidence. The transducer operates over a wide temperature range, from -40°C to +85°C, ensuring reliable performance in extreme conditions.

Installation and Setup

Mounting the 190501-07-00-04 is straightforward. It comes with a plate stud mounting option (3/8-in 24 to 3/8-in 24) 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). The transducer can be mounted in any orientation, offering flexibility in tight spaces.

The 316L stainless steel case and connector provide excellent corrosion resistance. For optimal performance, follow the manufacturer's installation drawing (167536) for intrinsically safe installations. Ensure the cable length does not exceed 305 meters to maintain signal integrity.

Maintenance and Reliability

To ensure long-term accuracy, periodically inspect the transducer and its mounting. Check for any signs of physical damage or loosening. The internal electronics are isolated from the case, reducing the risk of ground loops. With proper care, the 190501-07-00-04 offers dependable service for years.

Its shock limit of 5000 g pk and humidity limit of 100% condensing (non-submerged) mean it can withstand tough conditions. Regular calibration checks are recommended to maintain measurement precision.

Compatibility and Integration

The 190501-07-00-04 is designed to work with Bently Nevada monitoring systems. Its standard MIL-C-5015 connector ensures easy integration with existing cabling. The transducer's output is a velocity signal, compatible with most vibration monitoring equipment.

For hazardous area installations, the intrinsic safety approvals (Ex ia IIC T4 and AEx ia IIC T4) allow use in Class I, Division 1 and Zone 0/1 environments. Always verify compatibility with your specific monitoring system before installation.

Frequently Asked Questions

Q: What is the sensitivity of the 190501-07-00-04?

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 used in hazardous areas?

A: Yes, it has CSA/NRTL/C (Class I, Division 1) and ATEX/IECEx/CSA (Class I, Zone 0/1) approvals.

Q: What is the maximum cable length?

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

Q: What is the mounting torque?

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

Product Support and Availability

The 190501-07-00-04 is available through Petro Auto Tech. Contact our team to confirm stock and lead times. We are here to help you find the right vibration monitoring solution for your application.