Vibration Institute

Certified Vibration Analyst - Category IV


Credential: Certified Vibration Analyst - Category IV  ANSI resource
Credentialing Agency: Vibration Institute

Renewal Period: 5 years

The Vibration Institute, Certified Vibration Analyst - Category IV is an advanced level credential for professionals who specialize in machine and equipment maintenance, troubleshooting, and engineering. Category IV Certified Vibration Analysts direct condition monitoring programs, perform major diagnostic efforts, and perform and recommend corrective actions and design modifications. These are Individuals who understand the theory of mechanical vibrations, advanced vibration analysis techniques and signal analysis. Applicants for the Category IV Certified Vibration Analyst must hold certification at the category III level, meet education, training and experience requirements, and are also required to pass an exam.

More information can be found on the certifying agency's website.

Certified Vibration Analyst - Category IV

MINIMUM REQUIREMENTS

 

Eligibility Requirements (View Details)

  • Credential Prerequisite: Vibration Analyst - Category III
  • Experience: 60 months
  • Education: Associates
  • Training
  • Membership
  • Other
  • Fee

Note: This credential may have multiple options for becoming eligible. Listed are the minimum requirements based on the minimum degree required. To view other options, see the Eligibility tab.

Exam Requirements (View Details)

  • Exam
  • Written Exam
  • Oral Exam
  • Practical Exam
  • Performance Assessment

RECERTIFICATION SUMMARY

Renewal Period: 5 years

  • Continuing Education
  • Exam
  • Continuing Education OR Exam
  • Fee
  • Other

AGENCY CONTACT INFORMATION

Vibration Institute

2625 Butterfield Road
Suite 128N
Oak Brook, Il  60523

Phone: (630) 654-2254

Fax: (630) 654-2271
Email: information@vi-institute.org

Applicants are required to hold the Certified Vibration Analyst - Category III.

Completion of two or more years of study in mechanical technology or mechanical engineering is recommended for Category III and Category IV. Applicants for Category III and Category IV are expected to be able to manipulate simple algebraic equations, use a basic scientific calculator, and be computer literate.

Applicants are required to provide evidence of a minimum of 60 months of experience in the field of machinery condition monitoring and diagnostics and electrical and mechanical technologies.

Applicants for the Certified Vibration Analyst - Category IV must provide evidence of meeting the Vibration Institute training criteria as follows:

  • Provided by a training body that conforms to the requirements of ISO 18436-3
  • Based on the Body of Knowledge for each category (these are vibration principles, data acquisition, signal processing, condition monitoring, fault analysis, corrective action, equipment knowledge, and acceptance testing)
  • Included formal lectures, demonstrations, trainer-specified practical exercises, and/or distance controlled self-study
  • Met or exceeded 64 hours.

Details about required training can be found in the Vibration Analyst Certification Handbook.

Written Exam

  • Vibration Principles
    • Vectors, modulation
    • Phase
    • Natural frequency, resonance, critical speeds
    • Force, response, damping, stiffness
    • Instabilities, non-linear systems
    • Mode Shapes
  • Data Acquisition
    • Instrumentation
    • Dynamic range
    • Test planning
    • Test procedures
    • Vibration System Calibration
  • Signal Processing
    • RMS/peak detection
    • Analogue/digital conversion
    • Analogue recording and digital; sampling
    • FFT computation
    • Filters (Low pass, high pass, band pass, tracking)
    • Anti-aliasing
    • Bandwidth, resolution
    • Averaging (Linear, synchronous time, exponential)
    • Dynamic range
    • Signal to noise ratio
    • Spectral maps
  • Condition Monitoring
    • Computer Database Set-up and Maintenance
    • Equipment Evaluation and Prioritization
    • CM Program Design
    • Alternate Technologies (e.g. Oil Analysis, Wear Debris Analysis, Infrared Thermography, Motor Current Analysis, Acoustic Emission)
    • Alarm and Trip Level Determination
    • Procedure Writing (and methods of working)
    • CM Program Implementation and Management
    • Integrated Health Analysis
    • Prognostics
  • Fault Analysis
    • Spectral Harmonics and Sidebands
    • Transient Analysis
    • Enveloping
    • Mass Unbalance
    • Misalignment
    • Concentricity Errors
    • Mechanical Looseness
    • Rubs
    • Instabilities
    • Shaft Bow
    • Bearing (Rolling Element, Journal) Defects
    • Electric Motor Defects
    • Flow Induced Vibration, Aerodynamics and Liquids
    • Gearbox Defects
    • Resonance and Critical Speeds
  • Corrective Action Recognition
    • Shaft Alignment
    • Concentricity
    • Balancing
    • Machine Part Replacement
    • Flow Control
    • Isolation and Damping
    • Resonance Control
    • Basic Maintenance Action
  • Equipment Testing and Diagnostics
    • Impact testing
    • Forced response testing (e.g. Coherence, Transfer Function)
    • Transient analysis
    • Damping evaluation
    • Operating deflection shapes
    • Modal analysis
    • Torsional vibration
    • Axial Vibration and Thrust
    • Coupled Torsional and Lateral Vibration
  • Reference Standards
    • Relevant International (ISO, IEC), National and Regional Standards
  • Reporting and Documentation
    • Vibration Prognostic Reports
    • Failure Investigation Report
    • Decision Making and Recommend Action
    • Expert Witness
  • Fault Severity Determination
    • Spectrum analysis
    • Time waveform and orbit analysis
    • Severity charts, graphs, formula
  • Theoretical Rotor and Bearing Dynamics
    • Rotor Characteristics
    • Bearing Characteristics
    • Rotor Dynamic Computation (using approved procedures)
    • Rotor Dynamic Fault Modeling
  • Field Balancing
    • Single-plane
    • Two-plane
    • Multi-plane
    • Balancing Evaluation

RECERTIFICATION

Certified Vibration Analyst - Category IV

Renewal Period: 5 years

The Certified Vibration Analyst - Category IV credential has the following recertification information:

  • Certification as a Vibration Analyst - Category IV  is valid for five (5) years from the date of current certification level. After five years, certified Vibration Analysts are required to recertify. Recertification requires earning 29 CEUs or taking the associated Vibration Analyst exam.

In Demand

This certification is considered in demand

COOL Bucks

See your installation Education Service Officer for credential exam information and coordinating instructions.

COOL Summary

Click to go to the COOL Summary page for this MOC.

COOL Summary

Click to go to the COOL Summary page for this MOC.

COOL Summary

Click to go to the COOL Summary page for this MOC.

COOL Summary

Click to go to the COOL Summary page for this MOC.

COOL Summary

Click to go to the COOL Summary page for this MOC.

COOL Summary

Click to go to the COOL Summary page for this MOC.

Some

Credential is related to some tasks associated with the duties of the military occupation (at least one critical task but less than 80%)

Most

Credential is directly related to most of the major duties associated with the military occupation (at least 80%)

Other

Credential is related to this military occupation, but is more advanced or specialized and therefore will likely require additional education, training, or experience

Promotion Points

This certification has been approved for promotion points.

Click for more information.

Star

Star credentials are MOS enhancing, as designated by the Proponent. MOS enhancing credentials are directly related to an MOS or ASI, are taught either partially or completely as part of a Program of Instruction (POI), and improves the MOS technical proficiency.

Skill Level

The Skill Level reflects the level, based on MOS training and/or experience, the Soldier should be the most prepared to successfully earn the credential. See the Table Legend for details about each level.

Proponent Funded

Indicates the credential may have funding through the MOS proponent. Some proponents offer credentialing opportunities in conjunction with military training and/or as part of MOS development beyond the training base.

Click for more information.

Navy Bucks

Credential voucher or reimbursement for credential exam, re-certification, or maintenance fee has been approved for payment through the Navy's Credential Program Office. To get a voucher request form, click 'Complete Voucher and Apply' at the top of any page.

CG Bucks

Coming Soon - Coast Guard policy regarding service member eligibility requirements to participate in the Voluntary Credentialing Program is under review with a projected release date of first quarter FY20.

Early Career

1-3 years experience; Enlisted E1 through E4

Mid Career

4-10 years experience; Enlisted E5 through E6

Late Career

10+ years experience; Enlisted E7 and Above

Early Career

1-3 years experience; Enlisted “A” School through E5

Mid Career

4-10 years experience; Enlisted E6 through E7

Late Career

10+ years experience; Enlisted E8 and Above

LaDR

This credential is recommended on the rating Learning and Development Roadmap (LaDR) for Sailors currently in the pay grade indicated on the icon, BUT MAY BE TAKEN BY SAILORS IN OTHER PAY GRADES.

Click for more information.

GI Bill®

Reimbursement for exam fees has been approved for payment through the GI Bill. Click for external link to GI Bill licensing and certification information.

Note: GI Bill approval data is updated quarterly. For the latest information, visit the WEAMS Licenses/Certifications Search page. Make sure to select "Both" in the LAC Category Type drop-down before searching.

Click here for more information.

ANSI

This credential has been accredited by ANSI. Click for external link to the ANSI web site.

Click here for more information.

ICAC

This credential has been accredited by ICAC. Click for external link to the ICAC web site.

Click here for more information.

ABSNC

This credential has been accredited by ABSNC. Click for external link to the ABSNC web site.

Click here for more information.

NCCA

This credentialing program has been accredited by NCCA. Click for external link to the NCCA web site.

Click here for more information.

IAS

This credential has been accredited by IAS. Click for external link to the IAS web site.

Click here for more information.

Low

May be difficult to attain: minimum education requirement is a Bachelor's degree, and/or minimum experience is 10 or more years.

Note: In some cases “years of experience” refers to time actively on duty or while holding a certain occupation or prior certification and not always in consecutive calendar years. Additional years required for certain preliminary stages may not be included in this classification. For requirements measured in hours, 1080 hours was considered a year. For days, 365 days was considered a year. Please review all prerequisites and requirements for eligibility, and additional information for details.

Medium

Moderate ease of attainment: minimum education requirement = Associate's and/or prerequisite and/or minimum experience = more than 2 years and less than 10 years of experience.

Note: In some cases “years of experience” refers to time actively on duty or while holding a certain occupation or prior certification and not always in consecutive calendar years. Additional years required for certain preliminary stages may not be included in this classification. For requirements measured in hours, 1080 hours was considered a year. For days, 365 days was considered a year. Please review all prerequisites and requirements for eligibility, and additional information for details.

High

Highly attainable: mimum education requirement = HS or less and/or minimum experience = 2 years or less experience and no additional requirements.

Note: In some cases “years of experience” refers to time actively on duty or while holding a certain occupation or prior certification and not always in consecutive calendar years. Additional years required for certain preliminary stages may not be included in this classification. For requirements measured in hours, 1080 hours was considered a year. For days, 365 days was considered a year. Please review all prerequisites and requirements for eligibility, and additional information for details.

MOS is Military Occupational Specialty
ASI is Additional Skill Identifier
WOMOS is Warrant Officer Military Occupational Specialty

Army e-learning

State-of-the art Computer Based Training available for free to the Army Workforce. Click for more information.

Click here for more information.

NKO e-learning

Credential preparation courses are provided at no cost through Navy e-Learning. Click for external link to the Navy Knowledge Online (NKO) web site, then select the “Navy e-Learning” link within the “Learning” tab to proceed to Navy e-Learning.

Bright Outlook – new job opportunities are very likely in the future for this job
Registered Apprenticeship
Click here for External link to: My Next Move for Veterans - Aircraft Mechanics and Service Technicians
Click here for External link to: My Next Move salary info for Aircraft Mechanics and Service Technicians
Click here for External link to: My Next Move for Veterans - Bus and Truck Mechanics and Diesel Engine Specialists
Click here for External link to: My Next Move salary info for Bus and Truck Mechanics and Diesel Engine Specialists
Click here for External link to: My Next Move for Veterans - Electric Motor, Power Tool, and Related Repairers
Click here for External link to: My Next Move salary info for Electric Motor, Power Tool, and Related Repairers
Click here for External link to: My Next Move for Veterans - Electrical and Electronics Installers and Repairers, Transportation Equipment
Click here for External link to: My Next Move salary info for Electrical and Electronics Installers and Repairers, Transportation Equipment
Click here for External link to: My Next Move for Veterans - Electrical and Electronics Repairers, Commercial and Industrial Equipment
Click here for External link to: My Next Move salary info for Electrical and Electronics Repairers, Commercial and Industrial Equipment
Click here for External link to: My Next Move for Veterans - Electrical and Electronics Repairers, Powerhouse, Substation, and Relay
Click here for External link to: My Next Move salary info for Electrical and Electronics Repairers, Powerhouse, Substation, and Relay
Click here for External link to: My Next Move for Veterans - Electrical Engineering Technicians
Click here for External link to: My Next Move salary info for Electrical Engineering Technicians
Click here for External link to: My Next Move for Veterans - Electro-Mechanical Technicians
Click here for External link to: My Next Move salary info for Electro-Mechanical Technicians
Click here for External link to: My Next Move for Veterans - Electromechanical Equipment Assemblers
Click here for External link to: My Next Move salary info for Electromechanical Equipment Assemblers
Click here for External link to: My Next Move for Veterans - Electronic Equipment Installers and Repairers, Motor Vehicles
Click here for External link to: My Next Move salary info for Electronic Equipment Installers and Repairers, Motor Vehicles
Click here for External link to: My Next Move for Veterans - Electronics Engineering Technicians
Click here for External link to: My Next Move salary info for Electronics Engineering Technicians
Click here for External link to: My Next Move for Veterans - Engine and Other Machine Assemblers
Click here for External link to: My Next Move salary info for Engine and Other Machine Assemblers
Click here for External link to: My Next Move for Veterans - Farm Equipment Mechanics and Service Technicians
Click here for External link to: My Next Move salary info for Farm Equipment Mechanics and Service Technicians
Click here for External link to: My Next Move for Veterans - Heating and Air Conditioning Mechanics and Installers
Click here for External link to: My Next Move salary info for Heating and Air Conditioning Mechanics and Installers
Click here for External link to: My Next Move for Veterans - Industrial Engineers
Click here for External link to: My Next Move salary info for Industrial Engineers
Click here for External link to: My Next Move for Veterans - Industrial Machinery Mechanics
Click here for External link to: My Next Move salary info for Industrial Machinery Mechanics
Click here for External link to: My Next Move for Veterans - Maintenance and Repair Workers, General
Click here for External link to: My Next Move salary info for Maintenance and Repair Workers, General
Click here for External link to: My Next Move for Veterans - Maintenance Workers, Machinery
Click here for External link to: My Next Move salary info for Maintenance Workers, Machinery
Click here for External link to: My Next Move for Veterans - Mechanical Engineering Technicians
Click here for External link to: My Next Move salary info for Mechanical Engineering Technicians
Click here for External link to: My Next Move for Veterans - Mechanical Engineers
Click here for External link to: My Next Move salary info for Mechanical Engineers
Click here for External link to: My Next Move for Veterans - Mobile Heavy Equipment Mechanics, Except Engines
Click here for External link to: My Next Move salary info for Mobile Heavy Equipment Mechanics, Except Engines
Click here for External link to: My Next Move for Veterans - Outdoor Power Equipment and Other Small Engine Mechanics
Click here for External link to: My Next Move salary info for Outdoor Power Equipment and Other Small Engine Mechanics
This is an official U.S. Navy website
Updated: October 16, 2019
Top