Configured for low-frequency casing vibration velocity measurement in Bently Nevada machinery monitoring systems, the Bently Nevada 190501-12-00-02 (190501 Velomitor CT Velocity Transducer) provides direct mechanical vibration signal conversion.

Model Identification

The 190501-12-00-02 is a Velomitor CT Velocity Transducer configured for measuring casing vibration velocity on rotating equipment with low-speed operating characteristics. The device uses a 3/8-in 24 to M8x1 plate stud mounting interface and a MIL-C-5015 connection interface.

The transducer is designed for vibration measurement on cooling tower and air-cooled heat-exchanger fan assemblies operating at or above 90 RPM. It detects casing vibration velocity signals generated by fan motors, speed reducers, and rotating mechanical components.

Hardware Specifications

Rotor Dynamics Monitoring Characteristics

The Velomitor CT transducer provides velocity measurement characteristics for low-frequency machinery vibration monitoring. The sensor is optimized for casing vibration analysis where mechanical imbalance, misalignment, and bearing-related vibration conditions require velocity measurement.

Unlike eddy-current proximity measurement systems that monitor shaft displacement, the Velomitor CT measures casing vibration response directly. The transducer output supports rotor dynamics evaluation by converting mechanical vibration movement into an electrical velocity signal.

Ordering Information

The standard package contents include:

• 1 x Bently Nevada 190501-12-00-02 Velomitor CT Velocity Transducer
• 1 x Integrated MIL-C-5015 connection interface
• 1 x Plate stud mounting configuration

Additional installation components may include:

• Compatible vibration monitoring system input module
• Mounting accessories according to machine installation requirements
• Field wiring assemblies

Field Installation Guidelines

Mechanical Mounting

• Install the transducer on a rigid machine casing surface.
• Verify the mounting interface matches the specified 3/8-in 24 to M8x1 plate stud configuration.
• Ensure the mounting surface is clean and free from debris before installation.

Electrical Connection

• Connect the MIL-C-5015 interface according to the vibration monitoring system wiring documentation.
• Verify signal polarity and cable termination before commissioning.
• Maintain proper cable routing away from high-current electrical conductors.

Measurement Setup

• Confirm the sensor mounting location represents the intended casing vibration measurement point.
• Check vibration channel configuration before collecting operational data.
• Verify signal response during initial machine operation.

Frequently Asked Questions

• What vibration parameter does the 190501-12-00-02 measure?

  The transducer measures casing vibration velocity from rotating machinery and provides velocity-based vibration monitoring signals.

• What equipment is the Velomitor CT designed for?

  It is designed for cooling tower and air-cooled heat-exchanger fan assemblies operating at or above 90 RPM.

• What mounting interface is included?

  The model includes a plate stud mounting configuration from 3/8-in 24 thread to M8x1 interface.

• What type of electrical connection does this model use?

  The transducer uses a MIL-C-5015 connection interface for integration with vibration monitoring systems.

• What is the transverse response specification?

  The transverse response is less than 5% of the axial sensitivity according to the provided specifications.

• **What is the maximum shock limit of the transducer?

  The specified maximum shock limit is 5000 g pk for mechanical impact conditions.

• Can this sensor measure shaft displacement directly?

  No. The Velomitor CT measures casing vibration velocity rather than shaft position displacement.

• What vibration frequency range is this sensor intended for?

  The sensor is optimized for low-frequency vibration applications, including rotating equipment operating around 90 RPM and above.