190501-12-99-02 | Bently Nevada 3.94 mV/mm/s Velomitor CT Velocity Transducer

What Makes the 190501-12-99-02 Essential for Vibration Monitoring?

When rotating machinery faces unplanned downtime, the 190501-12-99-02 from Bently Nevada provides reliable velocity measurements to detect early faults. This Velomitor CT Velocity Transducer is engineered for harsh environments, offering a sensitivity of 3.94 mV/mm/s (100 mV/in/s) ±5% to capture subtle changes in machine vibration. With a frequency response from 3.0 Hz to 900 Hz (180 to 54,000 cpm) ±1.0 dB, it suits a wide range of industrial applications.

Key Features and Technical Specs of the 190501-12-99-02

• Sensitivity: 3.94 mV/mm/s (100 mV/in/s) ±5% for accurate velocity measurement.
• Frequency Response: 3.0 Hz to 900 Hz (180 to 54,000 cpm) ±1.0 dB, with extended range to 1.5 Hz to 1.0 kHz ±3.0 dB.
• Operating Temperature: -40°C to +85°C (-40°F to +185°F) for extreme environments.
• Output Bias Voltage: 10.1 Vdc ± 1.0 Vdc, Pin A referenced to Pin B.
• Case Material: 316L stainless steel for corrosion resistance.
• Weight: Less than 297 g (10.5 oz) for easy installation.
• Mounting Torque: 4.5 N-m ± 0.6 N-m (40 in–lbf ± 5 in-lbf).
• Intrinsically Safe: Ex ia IIC T4 for hazardous areas (Class I, Div 1, Groups A-D).

Real-World Applications for the 190501-12-99-02

In industries like oil and gas, power generation, and petrochemical processing, the 190501-12-99-02 monitors critical rotating assets such as turbines, compressors, and pumps. Its robust design withstands 100% condensing humidity and 5000 g pk shock, ensuring reliable operation in demanding conditions. The transducer's magnetic field susceptibility of less than 0.0068 mm/s/gauss at 50 gauss, 50-60 Hz, prevents interference in electrically noisy environments.

Installation and Setup Guide

Mount the 190501-12-99-02 using the provided 2-plate stud (3/8-in 24 to M8x1) with a torque of 4.5 N-m ± 0.6 N-m. The unit includes a 32-foot cable (part number 02173006) and can extend up to 305 metres without signal degradation. Install per drawing 167536 for intrinsic safety compliance. Any orientation is acceptable, and the internal electronics are isolated from the case to prevent ground loops.

Maintenance and Reliability Tips

Regular inspection of the transducer and cable connections ensures long-term accuracy. The 316L stainless steel case resists corrosion, while the sealed design protects against moisture. For maximum reliability, follow the manufacturer's safety manual and verify output bias voltage periodically. This proactive approach reduces costly downtime and extends service life.

Compatibility and Integration

The 190501-12-99-02 integrates seamlessly with Bently Nevada monitoring systems and data acquisition platforms. Its 2-pin 316L stainless steel MIL-C-5015 connector ensures secure connections. The transducer is compatible with standard vibration monitoring hardware, making it a versatile choice for both new installations and retrofits.

Frequently Asked Questions about the 190501-12-99-02

Q: What is the sensitivity of the 190501-12-99-02?

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: Is the 190501-12-99-02 intrinsically safe?

A: Yes, it is rated Ex ia IIC T4 for Class I, Division 1, Groups A, B, C, D.

Q: What is the maximum cable length?

A: The maximum cable length is 305 metres (1,000 ft.) with no signal degradation.

Q: What is the case material?

A: The case is made of 316L stainless steel.

Product Support and Availability

The Bently Nevada 190501-12-99-02 is in stock and ready to ship from Petro Auto Tech. Contact our team for pricing and availability. We provide fast delivery and expert support for your industrial automation needs.