Bently Nevada 190501-02-00-05
Bently Nevada 190501-02-00-05
Bently Nevada 190501-02-00-05
Bently Nevada 190501-02-00-05
Bently Nevada 190501-02-00-05
Bently Nevada 190501-02-00-05
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190501-02-00-05

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The 190501-02-00-05 is a Velomitor CT Velocity Transducer designed for low-frequency vibration monitoring on cooling tower and air-cooled heat-exchanger fan assemblies.
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Technical specifications for 190501-02-00-05

  • Manufacturer:
    Bently Nevada
  • Part Number:
    190501-02-00-05
  • Product Family:
    190501 Velomitor CT Transducer
  • Product Type:
    Velomitor CT Velocity Transducer
  • Measurement Type:
    Low-frequency casing vibration velocity
  • Minimum Operating Speed:
    90 rpm
  • Typical Operating Range:
    100 to 300 rpm
  • Mounting Hardware:
    Stud 3/8-24 to 1/2-20 adapter
  • Connection Interface:
    MIL-C-5015
  • Key Benefit:
    Solves the pain point of low-frequency vibration measurement in slow-speed rotating equipment—captures data from 90 rpm upward, enabling early detection of fan imbalance, bearing wear, and speed reducer issues in cooling tower applications.
  • 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 Application Operating Environment Monitoring and Control

Features:

  • Low-frequency sensitivity down to 90 rpm enables accurate vibration measurement on slow-speed cooling tower and heat-exchanger fans.
  • Multiple hazardous area approvals (CSA/NRTL/C Division 1, ATEX/IECEx/CSA Zone 0/1) allow deployment in classified locations worldwide.
  • MIL-C-5015 connection interface with stud mounting adapter (3/8-24 to 1/2-20) provides rugged, weather-resistant installation.
The 190501-02-00-05 is specifically engineered to overcome the limitations of standard velocity sensors at low rotational speeds. While conventional sensors lose sensitivity below 600 rpm, this transducer maintains accurate measurements down to 90 rpm, covering the typical operating range of cooling tower and air-cooled heat-exchanger fans (100 to 300 rpm). This capability enables early detection of developing faults such as fan imbalance, bearing wear, and speed reducer issues that would otherwise go unnoticed until catastrophic failure occurs. For facilities relying on cooling assets for process temperature control, this early warning translates directly to reduced downtime and avoided production losses.

The 190501-02-00-05 carries multiple hazardous area certifications, including CSA/NRTL/C for Class I, Division 1 locations and ATEX/IECEx/CSA for Class I, Zone 0/1 environments. These approvals allow the same transducer to be installed in refineries, chemical plants, offshore platforms, and other classified locations across North America, Europe, and international markets. For multinational organizations, this eliminates the need to stock region-specific variants and simplifies compliance documentation. The rugged construction and weather-resistant MIL-C-5015 connector ensure reliable operation even in outdoor, moisture-prone environments typical of cooling tower installations.

Beyond measuring the fundamental fan vibration frequencies, the 190501-02-00-05 captures the higher-frequency vibrations generated by the fan motor and speed reducer. This provides a comprehensive picture of the entire drive train, from the motor through the gearbox to the fan blades. The stud mounting adapter (3/8-24 to 1/2-20) simplifies installation on motor frames, fan housings, and speed reducer cases, while the MIL-C-5015 interface ensures a secure, weather-resistant connection. For maintenance teams, this means one sensor can monitor multiple failure modes across the entire cooling system, streamlining both installation and ongoing vibration analysis.

The 190501-02-00-05 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 190501-02-00-05 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 190501-02-00-05 Velomitor CT Velocity Transducer Specs

General

  • Manufacturer GE / Bently Nevada
  • Model 190501-02-00-05
  • Condition New Original ready stock
  • Product Family 190501-10-00-05,190501-11-00-05,190501-12-00-05
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.
  • Cooling Towers: Monitoring the vibration of fan components, drive shafts, and their reducers.
  • Air-Cooled Heat Exchangers: Used for monitoring the casings of large industrial cooling fans.
  • Rotational Machinery Protection: Measuring low-frequency vibration displacement and velocity caused by fan motor, rotor imbalance, misalignment, or reducer malfunctions.
  • Temperature Range: Operating temperature -40°C to +85°C, storage temperature up to +100°C.
  • Humidity and Corrosion Resistance: Constructed with a 316L stainless steel casing, IP67 protection rating, capable of normal operation at 100% condensing humidity (non-flooding).
  • lectromagnetic Compatibility: Immune to magnetic field interference (<0.0068 mm/s/gauss), and internal circuitry is insulated from the casing, reducing industrial noise interference.
  • Monitoring System Compatibility: Typically connects to Bently Nevada 3500 systems (e.g., 3500/70M reciprocating/speed monitoring modules) to provide automatic alarms and shutdown protection for mechanical failures.
  • Signal Transmission: Supports cable transmission up to 305 meters (1000 feet) without significant signal attenuation.
  • Control Logic: The system will trigger the "Alert" or "Danger" relay output according to the set threshold to realize the active safety protection of the equipment.
Description
The 190501-02-00-05 is a low-frequency version of the standard Velomitor Piezo-velocity Sensor, specifically engineered to measure casing vibration velocity on cooling tower and air-cooled heat-exchanger fan assemblies. It captures vibration amplitudes at operating speeds from 90 rpm upward, with typical ranges of 100 to 300 rpm—frequencies where standard velocity sensors often lack sensitivity. 

With its stud mounting hardware (3/8-24 to 1/2-20 adapter), the 190501-02-00-05 simplifies installation on fan housings and motor frames. The transducer measures both the fundamental fan vibration frequencies and the higher frequencies generated by the fan motor and speed reducer, providing a complete picture of drive train health.

The 190501-02-00-05 carries CSA/NRTL/C certification for Class I, Division 1 locations, as well as ATEX/IECEx/CSA for Class I, Zone 0/1 environments. These multi-agency approvals make it suitable for global deployment without requiring region-specific variants. 

This transducer solves the pain point of accurately measuring low-frequency vibration in slow-speed rotating equipment where standard sensors fall short. By providing reliable data from 90 rpm upward, the 190501-02-00-05 enables early detection of fan imbalance, bearing wear, and speed reducer issues before they lead to catastrophic failure.
Alternative Names
190501-10-00-05 190501-11-00-05 190501-12-00-05 190501-13-00-05
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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 types of equipment is the 190501-02-00-05 designed for?
Cooling tower fan assemblies and air-cooled heat-exchanger fans operating at 90 rpm or higher, typically 100 to 300 rpm.
What hazardous area approvals does this transducer carry?
CSA/NRTL/C for Class I, Division 1, and ATEX/IECEx/CSA for Class I, Zone 0/1—allowing use in explosive environments.
What type of connector does this model use?
A MIL-C-5015 connection interface, providing a rugged, weather-resistant connection suitable for outdoor installations.