
VCAT-IV Part 2 is the five-day instructor-led component of the Category IV training pathway.
Part 2 reinforces the advanced Category IV theory through instructor-led calculations, worked examples and discussion. Part 1 does not need to be completed before attending Part 2, but both training components must be completed before certification.
Revisit advanced signal processing, time waveform analysis and cross-channel measurements with instructor guidance and detailed worked examples.
Strengthen your understanding of mass, stiffness, damping, natural frequencies, modes and machinery dynamics through discussion and calculations.
Review run-up and coast-down testing, impact testing, operating deflection shapes, modal analysis and resonance correction techniques.
Revisit advanced signal processing including FFT computation, filtering, averaging, spectral analysis and cross-channel measurements with instructor guidance.
Work through mass, stiffness, damping, natural frequencies, modes, critical speeds and machinery system dynamics using advanced examples and calculations.
Apply run-up and coast-down testing, impact testing, transfer functions, damping evaluation, ODS and modal analysis to investigate resonance.
Deepen your understanding of rotor and bearing dynamics, rotor modelling, journal bearing behaviour and fluid-film instabilities.
Analyse critical turbomachinery using proximity-probe and casing measurements, orbit plots, shaft centreline plots and transient behaviour.
Work through Category IV practice questions, calculations and worked examples with instructor discussion to consolidate the Part 1 material.
• Analysts undertaking the VCAT-IV Category IV pathway
• Senior vibration analysts
• VCAT-III certified analysts progressing toward Category IV
• Analysts working with critical turbomachinery
• Engineers working with fluid-film bearing machines
• Professionals preparing for Category IV certification
VCAT-IV is a two-part training pathway. Part 1 is online distance learning and Part 2 is the five-day instructor-led course. Both parts must be completed before certification.
Full Category IV certification requires 60 months of practical vibration analysis experience verified by a supervisor or manager.
Category IV certification is valid for five years once all training, experience and examination requirements have been met.
Attend the five-day instructor-led Mobius Institute VCAT-IV Part 2 course. Part 1 must be completed before attending Part 2, and both parts are required for certification.
Work through the advanced practice questions and calculations from Part 1 with an instructor and other experienced vibration analysts.
The Category IV certification exam is optional at the course and is purchased separately from the Part 2 training fee.
This purchase is for VCAT-IV Part 2 classroom training only.
Part 1 is purchased and completed separately and must be completed before attending Part 2. Both Part 1 and Part 2 must be completed before certification. The Category IV certification exam is also purchased separately unless you have selected a complete VCAT-IV bundle that includes it.
VCAT-IV Part 2 is priced separately from Part 1 and from the Category IV certification exam.
Book VCAT-IV Part 2 using secure Stripe checkout.
After payment, your place on the selected instructor-led classroom course can be confirmed, subject to course availability.
For course dates, private group enquiries or the complete VCAT-IV pathway, contact Elite Reliability.
Advanced signal processing
Time waveform analysis
Cross-channel measurements
Mass, stiffness and damping
Natural frequencies and mode shapes
System dynamics
Run-up and coast-down testing
Impact testing
Operating deflection shapes
Modal analysis
Resonance investigation and correction
Flow control
Isolation and damping
Proximity probe measurements
Casing measurements
Orbit analysis
Shaft centreline plots
Rotor dynamics
Rotor natural frequencies
Rotor modelling
Journal bearing design
Fluid-film bearing instabilities
Critical turbomachinery measurements
Flexible rotor behaviour
Flexible rotor balancing
Torsional vibration
Advanced calculations
Worked examples
Practice questions and detailed discussion
Category IV exam preparation
View upcoming Mobius Institute instructor-led classroom course dates for VCAT-IV Part 2.
View the current Mobius Institute Vibration Analysis brochure covering the full VCAT I through VCAT IV pathway.
Yes. Part 1 is the online distance-learning component and must be completed before attending the Part 2 instructor-led course. Both Part 1 and Part 2 must be completed before certification.
Full Category IV certification requires 60 months of practical vibration analysis experience, verified by a supervisor or manager, and previous VCAT-III certification from a MIBoC-approved certification body.
Part 2 is delivered as a five-day instructor-led classroom course where the Part 1 topics are reinforced and advanced calculations and examples are worked through.
VCAT-IV certification is valid for five years after all training, experience and examination requirements have been satisfied.

