• Bently Nevada 190501-12-99-04
  • Bently Nevada 190501-12-99-04
  • Bently Nevada 190501-12-99-04
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Bently Nevada 190501-12-99-04 Velomitor CT Velocity Transducer

Bently Nevada 190501-12-99-04 Velomitor CT Velocity Transducer

The Bently Nevada 190501-12-99-04 is a specialized Velomitor CT (Cooling Tower) velocity transducer engineered for low-frequency vibration monitoring. This piezoelectric sensor is optimized to measure casing vibration velocity on rotating...

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SKU: 190501-12-99-04
Proveedora: Bently Nevada
tipo: Vibration Transducer
Related Series:

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  • Garantía genuina: Suministramos únicamente piezas de automatización industrial 100% originales, nuevas y selladas de fábrica .
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The Bently Nevada 190501-12-99-04 is a specialized Velomitor CT (Cooling Tower) velocity transducer engineered for low-frequency vibration monitoring. This piezoelectric sensor is optimized to measure casing vibration velocity on rotating machinery, specifically air-cooled heat exchangers and cooling tower fan assemblies operating at speeds of 90 RPM or higher.

Features

  • Low-frequency response optimized for cooling tower and fan assembly monitoring.
  • Measures casing vibration velocity to detect mechanical faults in rotating equipment.
  • Integrated 32-foot cable for simplified field installation.
  • Includes mounting hardware (12 Plate Stud 3/8-in 24 to M8x1).
  • Hazardous area certified for Class I, Division 1 and Class I, Zone 0/1 environments.

Applications

  • Power Generation: Protection for cooling tower fans and auxiliary cooling systems.
  • Oil & Gas: Monitoring critical cooling systems and heat exchangers.
  • Petrochemical & Chemical: Ensuring reliability of large-scale air-cooled heat exchangers.
  • Wastewater Treatment: Continuous vibration monitoring for aeration and cooling fan assemblies.

Technical Specifications

Model 190501-12-99-04
Sensitivity 3.94 mV/mm/s (100 mV/in/s) +/- 5%
Transverse Response Less than 5% of axial sensitivity
Mounting Plate Stud 3/8-in 24 to M8x1
Cable Included 32-foot integral cable
Hazardous Area Approval CSA/NRTL/C (Class I, Div 1); ATEX/IECEx/CSA (Class I, Zone 0/1)

Installation Guidelines

  • Mounting: Use the provided 3/8-in 24 to M8x1 stud. Apply a thread sealant such as Loctite 242 to the mounting stud to prevent loosening caused by continuous low-frequency oscillations.
  • Hazardous Areas: When installing in Class I, Div 1 or Zone 0/1 environments, you must utilize an intrinsically safe (IS) galvanic isolator or zener barrier to ensure compliance.
  • Handling: As a precision piezoelectric sensor, avoid dropping or subjecting the transducer to high-impact shocks during installation.
  • Cabling: Route the integral 32-foot cable away from high-voltage power lines to minimize electromagnetic interference (EMI).

FAQs

What is the primary purpose of the 190501-12-99-04?

This transducer is designed to monitor casing vibration on low-speed rotating equipment, specifically cooling tower fans and air-cooled heat exchangers that operate at 90 RPM or above.

What is the sensitivity of this sensor?

The sensor features a standard sensitivity of 3.94 mV/mm/s (100 mV/in/s) with a tolerance of +/- 5%.

Does this model require specific safety barriers?

Yes, for installations in hazardous locations (Class I, Div 1 or Zone 0/1), an approved intrinsically safe galvanic isolator or zener barrier is required.