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190501-02-99-00

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The 190501-02-99-00 is a Velomitor CT Velocity Transducer designed specifically for low-frequency vibration monitoring on cooling tower and air-cooled heat-exchanger fan assemblies.
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Technical specifications for 190501-02-99-00

  • Manufacturer:
    Bently Nevada
  • Part Number:
    190501-02-99-00
  • Product Family:
    190501 Velomitor CT Transducer
  • Product Type:
    Velomitor CT Velocity Transducer
  • Measurement Type:
    Low-frequency casing vibration velocity
  • Mounting Hardware:
    Stud 3/8-24 to 1/2-20 adapter
  • Connection:
    Unit with included 32-foot cable
  • Agency Approval:
    No Approvals
  • Minimum Operating Speed:
    90 rpm
  • Typical Operating Range:
    100 to 300 rpm
  • Key Benefit:
    Solves the pain point of inaccurate vibration monitoring on slow-speed equipment (90-300 rpm) where standard velocity sensors lack low-frequency sensitivity.
  • Weight:
    0.3 kg
  • Estimated shipping dimensions:
    9.2x3.6x3cm
  • Tariff Code:
    8543902100
  • Country of origin:
    USA
  • Place of shipment:
    Xiamen, Fujian, China
By purchasing this item, you agree to the Terms & Conditions, ApterPower is not an authorized distributor for listed manufacturers or tradenames and therefore the manufacturer's warranty does not apply. All our products come with ApterPower's 1-year warranty.

More Information

Overview Manuals Specifications Compatibility and Interoperability Configuration and Programming

Features:

  • The 190501-02-99-00 features low-frequency design for cooling tower and air-cooled heat-exchanger applications.
  • This model includes stud mounting hardware with 3/8-24 to 1/2-20 thread adapter.
  • The 190501-02-99-00 comes with an integrated 32-foot cable for direct connection.
The 190501-02-99-00 operates as a Velomitor CT Velocity Transducer, specifically designed as a low-frequency version of our standard Velomitor Piezo-velocity Sensor. It continuously measures casing vibration velocity on cooling tower and air-cooled heat-exchanger fan assemblies that operate at or above 90 rpm, with typical operating ranges of 100 to 300 rpm. The 190501-02-99-00 includes stud mounting hardware with 3/8-24 to 1/2-20 thread conversion and comes with an integrated 32-foot cable for simplified installation.

The 190501-02-99-00 provides essential vibration monitoring functions for slow-speed rotating equipment, directly affecting the proper operation of cooling assets. This transducer accurately measures vibration amplitudes at low frequencies as well as the vibration frequencies generated by the fan motor and speed reducer. The 190501-02-99-00 requires no agency approvals, streamlining deployment for industrial cooling applications where standard velocity sensors cannot provide accurate data.

For comprehensive machinery health monitoring, the 190501-02-99-00 delivers reliable vibration data that supports predictive maintenance programs. The integrated 32-foot cable simplifies installation on cooling tower structures where sensor placement may be distant from monitoring equipment. The 190501-02-99-00 enables early detection of developing faults in fan assemblies operating in the 100 to 300 rpm range.

The 190501-02-99-00 Bently Nevada Velomitor CT Velocity Transducer may still be available for purchase and support from Apter Power beyond End-Of-Life (EOL) by the manufacturer (OEM).

Bently Nevada 190501-02-99-00 Velomitor CT Velocity Transducer Manuals, Datasheets, Drivers, Link Important Notice: Other accessories, manuals, cables, calibration data, software, etc. are not included with this equipment unless listed in the above stock item description. All prices are shown in USD.
Bently Nevada 190501-02-99-00 Velomitor CT Velocity Transducer Specs

General

  • Manufacturer GE / Bently Nevada
  • Model 190501-02-99-00
  • Condition New Original ready stock
  • Product Family 190501-10-99-00,190501-11-99-00,190501-12-99-00
Important Notice: Other accessories, manuals, cables, calibration data, software, etc. are not included with this equipment unless listed in the above stock item description. All prices are shown in USD.
  • System Compatibility: Fully compatible with Bently Nevada 3500 Series Mechanical Protection Systems (requires the 3500/42M displacement/velocity monitoring module) and 2300 Series and 1900 Series monitors.
  • Signal Interface: Employs a standard two-wire interface with an output sensitivity of 3.94 mV/mm/s (100 mV/in/s). Its output bias voltage is typically 10.1 Vdc.
  • Replaceability: It is a low-frequency version of the standard 330500 Velomitor. Although the physical interface may be similar, due to different frequency response characteristics (low frequency down to 1.5 Hz), it is generally not directly compatible with the standard model unless the parameters are reconfigured in the monitoring system.
  • Software Settings:In Bently Nevada Rack configuration software (such as the 3500 Rack Configuration Software), "Velomitor CT" must be manually selected as the sensor type.
  • OK Limits: During configuration, the correct normal operating voltage range (typically around 10V) must be set to ensure the system can correctly identify "probe failure" or "cable break" conditions.
  • Channel pairing: When using the 3500/42M monitor, it is necessary to ensure that the configuration of the same channel pair is consistent.
Description
The 190501-02-99-00 is a low-frequency version of the standard Velomitor Piezo-velocity Sensor, engineered specifically for cooling tower and air-cooled heat-exchanger applications. This transducer measures casing vibration velocity on fan assemblies operating at or above 90 rpm, with typical operating ranges of 100 to 300 rpm. 

The 190501-02-99-00 excels at capturing vibration amplitudes at low rotational speeds where standard velocity sensors cannot provide accurate data. This specialized transducer measures both the fundamental fan vibration frequencies and the vibration frequencies generated by the fan motor and speed reducer. 

With its focused design for low-speed applications, the 190501-02-99-00 delivers reliable vibration data that supports predictive maintenance programs. The integrated 32-foot cable simplifies installation on cooling tower structures where sensor placement may be distant from monitoring equipment. 

The 190501-02-99-00 represents Bently Nevada's solution for the unique challenges of monitoring slow-speed rotating equipment. This transducer provides the sensitivity and frequency response necessary to detect developing faults before they lead to catastrophic failures.
Alternative Names
190501-05-99-00 190501-06-99-00 190501-07-99-00 190501-08-99-00
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FAQS

The following is a list of questions commonly asked by our customers. Please contact us if you have a question about our process that is not answered below.
What is the difference between the 190501-02-99-00 and a standard Velomitor sensor?
The 190501-02-99-00 is a low-frequency version designed specifically for 90-300 rpm cooling tower fans, while standard Velomitor sensors target higher-speed machinery applications.
How can I identify a quality supplier for the 190501-02-99-00?
Verify the supplier provides genuine low-frequency calibration certification, authentic 32-foot integrated cable, and proper 3/8-24 to 1/2-20 mounting hardware for the 190501-02-99-00.
Does the 190501-02-99-00 require certifications for export to the United States?
The 190501-02-99-00 has "No Approvals" required, simplifying US import. No special certifications are needed for standard industrial use.
Why do velocity sensors like the 190501-02-99-00 fail on cooling tower applications?
Without low-frequency design, standard sensors cannot accurately measure below 300 rpm. The 190501-02-99-00 prevents this with specialized 90 rpm capability.