190501-12-00-01 | Bently Nevada 3.94 mV/mm/s Velomitor CT Velocity Transducer

What Is the 190501-12-00-01 Velomitor CT Velocity Transducer?

When machinery vibration threatens uptime, the 190501-12-00-01 from Bently Nevada provides accurate velocity measurement. This Velomitor CT transducer converts mechanical motion into a proportional electrical signal. It is engineered for harsh industrial environments. The device offers a sensitivity of 3.94 mV/mm/s (100 mV/in/s) with ±5% tolerance. Its robust 316L stainless steel case ensures durability. The transducer supports hazardous area installations with multiple agency approvals.

Key Features and Technical Specs

• 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.
• Operating temperature range: -40°C to +85°C (-40°F to +185°F).
• Output bias voltage: 10.1 Vdc ± 1.0 Vdc, Pin A referenced to Pin B.
• Weight: <297 g (10.5 oz), typical.
• Case material: 316L stainless steel.
• Mounting torque: 4.5 N-m ± 0.6 N-m (40 in–lbf ± 5 in-lbf).
• Maximum cable length: 305 metres (1,000 ft) with part number 02173006.
• Intrinsically safe: Ex ia IIC T4; Class I, Div 1, Groups A, B, C, D.

A distinctive spec is the output bias voltage of 10.1 Vdc ± 1.0 Vdc. This stable reference simplifies integration with monitoring systems. It ensures consistent signal interpretation across installations.

Real-World Applications

Industries rely on the 190501-12-00-01 for critical rotating machinery. It monitors pumps, compressors, turbines, and fans. The transducer excels in oil and gas, power generation, and petrochemical plants. Its ATEX/IECEx/CSA certification permits use in hazardous zones. For example, in a refinery, it detects early bearing faults on a centrifugal compressor. This prevents unplanned downtime and costly repairs.

Installation and Mounting Guide

Mount the transducer on a clean, flat surface of 33 mm diameter (1.3 in diameter). Use the provided plate stud 3/8-in 24 to M8x1 hardware. Apply the specified mounting torque of 4.5 N-m ± 0.6 N-m (40 in–lbf ± 5 in-lbf). The transducer can be oriented in any angle. Connect using the 2-pin 316L stainless steel MIL-C-5015 top connector. Ensure cable length does not exceed 305 metres (1,000 ft) to avoid signal degradation. For hazardous areas, install per drawing 167536.

Maintenance and Reliability

Routine inspection of the transducer and cable is recommended. Check for physical damage or corrosion, especially in condensing humidity environments. The device withstands 5000 g pk shock and operates from -40°C to +85°C. Its internal electronics are isolated from the case, reducing ground loop issues. Regular verification of output bias voltage (10.1 Vdc ± 1.0 Vdc) confirms proper function. Following these steps maximizes service life and reduces total cost of ownership.

Compatibility and Integration

The 190501-12-00-01 works with Bently Nevada monitoring systems and third-party data acquisition equipment. It outputs a dynamic velocity signal compatible with standard vibration analyzers. The transducer uses a MIL-C-5015 connection interface. It accepts cable part number 02173006 for up to 305 metres. No special protocols are required; the analog signal integrates directly into PLCs and DCS systems.

Common Questions About the 190501-12-00-01

Q: What is the sensitivity of the 190501-12-00-01?

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

Q: What temperature range can this transducer operate in?

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

Q: Is the 190501-12-00-01 suitable for hazardous areas?

A: Yes, it has ATEX/IECEx/CSA certification for Class I, Division 1, Groups A, B, C, D, and Zone 0/1.

Q: What is the maximum cable length?

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

Q: What is the output bias voltage?

A: The output bias voltage is 10.1 Vdc ± 1.0 Vdc, Pin A referenced to Pin B.

Product Support and Availability

The 190501-12-00-01 is in stock and ready to ship from Petro Auto Tech. As an industrial automation parts supplier, Petro Auto Tech offers fast delivery and expert support. Contact us for pricing and availability.