190501-12-99-00 | Bently Nevada 3.94 mV/mm/s Velomitor CT Velocity Transducer

Introduction to the Bently Nevada 190501-12-99-00 Velomitor CT Velocity Transducer

When machinery vibration threatens uptime, the 190501-12-99-00 provides accurate velocity measurements to protect your assets. This Bently Nevada Velomitor CT Velocity Transducer offers a sensitivity of 3.94 mV/mm/s (±5%), ensuring consistent performance across demanding industrial environments. With a frequency response of 3.0 Hz to 900 Hz (±1.0 dB), it captures critical vibration data for predictive maintenance.

Key Features and Technical Specs of the 190501-12-99-00

• 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 cable.
• Operating Temperature: -40°C to +85°C (-40°F to +185°F).
• Shock Limit: 5000 g pk, maximum.
• Case Material: 316L stainless steel.

One standout spec is the 9 kHz minimum mounted resonant frequency (stud mounted), which ensures high-frequency accuracy even in demanding applications—reducing false alarms and maintenance costs.

Applications and Use Cases for the 190501-12-99-00

In rotating machinery monitoring, the 190501-12-99-00 excels at detecting early bearing faults and imbalance. For example, in a petrochemical plant, its wide frequency range captures both low-speed and high-speed vibration, enabling cost-effective predictive maintenance. Moreover, its 100% condensing humidity rating makes it suitable for offshore or washdown environments, reducing replacement frequency and total cost of ownership.

Installation and Setup Guide

Mount the transducer using the included plate stud (3/8-in 24 to M8x1) with a torque of 4.5 N-m ± 0.6 N-m (40 in-lbf ± 5 in-lbf). Ensure the mounting surface is clean and flat (33 mm diameter). The 32-foot cable connects via a 2-pin 316L stainless steel MIL-C5015 top connector. For best signal integrity, keep cable length under 305 meters.

Maintenance and Reliability Tips

Regularly inspect the cable and connector for wear, especially in high-vibration areas. The 316L stainless steel case resists corrosion, extending service life. With proper installation, the transducer delivers years of reliable data, minimizing unplanned downtime and repair costs.

Compatibility and Integration

The 190501-12-99-00 integrates with Bently Nevada monitoring systems and other data acquisition platforms. Its 10.1 Vdc bias voltage and low impedance output simplify connection to standard vibration monitoring modules. For hazardous areas, agency approval options 01 through 04 provide intrinsic safety (Ex ia IIC T4) and non-incendive (Ex nL IIC T4) ratings—install per drawing 167536.

Frequently Asked Questions about the 190501-12-99-00

Q: What is the sensitivity of the 190501-12-99-00?

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

Q: What is the operating temperature range?

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

Q: Can the transducer be used in hazardous areas?

A: Yes, with agency approval options 01 through 04, it is intrinsically safe (Ex ia IIC T4) and non-incendive (Ex nL IIC T4).

Q: What is the maximum cable length?

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

Q: What is the mounting torque specification?

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

Product Support and Availability

The Bently Nevada 190501-12-99-00 is in stock and ready to ship from Petro Auto Tech. Contact our team for pricing and lead times. We support your vibration monitoring needs with fast delivery and expert service.