ITC Level II study materials
ITC Level II study resources

ITC Level II study plan

ITC Level II · Give each week a clear focus.

8 weeks · About 7 hours per week

Week 1

Thermal physics and heat transfer fundamentals

  • Explain in writing the three heat-transfer modes and identify which mode dominates in at least 10 common inspection scenarios

  • Compute steady-state heat flux through a single- and two-layer assembly using thermal resistance, and state the units of each term

  • Apply the Stefan-Boltzmann relation and Wien's displacement law to at least 5 numeric problems, showing the spectral shift as target temperature changes

  • Define emissivity, reflectivity, absorptivity and transmissivity and state Kirchhoff's law consequence for an opaque surface

  • Distinguish steady-state from transient thermal behaviour and describe how thermal capacitance delays the signature in a start-up or load-change event

Your checkpoint

A 4-page formula sheet plus 15 worked numerical problems (heat flux, radiated power, peak wavelength) with answers checked and errors annotated

Week 2

Thermal physics and heat transfer fundamentals & Infrared equipment, camera setup and measurement techniques

  • Build a reference table of approximate thermal conductivity and emissivity values for 15 common materials (metals, insulation, masonry, plastics, electrical insulation) and note where values are uncertain

  • Solve 8 problems converting between radiance, radiant intensity and apparent temperature, and explain why a low-emissivity target reads falsely cool

  • Describe how reflected apparent temperature is determined in the field and calculate the error introduced when it is set incorrectly

  • Match LWIR and MWIR spectral bands to detector types and target-temperature regimes, justifying each choice

  • Compare microbolometer and cooled photon detectors on sensitivity, frame rate, spectral response and cost

Your checkpoint

A one-page material property reference table with source notes plus a 10-item band-and-detector selection decision guide

Week 3

Infrared equipment, camera setup and measurement techniques

  • Calculate IFOV, spot size at a given distance, and the minimum resolvable target for 5 lens/distance combinations

  • Apply the spot-size-ratio rule to decide whether a measurement is quantitative or qualitative for 6 given scenarios

  • Set up a camera end to end for 4 scenarios: emissivity, reflected apparent temperature, distance, humidity/air temperature inputs, level and span

  • Demonstrate correct focus, palettes, isotherm and delta-T functions and justify each setting choice

  • Diagnose 6 common measurement errors (out-of-focus, off-angle, obstructed path, wrong emissivity, too-small spot, solar loading) and state the correction

Your checkpoint

A completed camera setup checklist covering 8 parameters plus a log of 5 self-performed practice captures with settings, distances and rationale

Week 4

Infrared equipment, camera setup and measurement techniques & Electrical and mechanical inspection applications

  • Compute allowable temperature rise and delta-T limits for electrical connections given load and ambient conditions, and interpret them against a severity ranking

  • Explain why load and wind/ambient conditions must be recorded for any electrical measurement, and build a load-correction estimation for 3 cases

  • Identify 6 mechanical fault signatures (bearing friction, misalignment, belt/ coupling slip, lubrication problems, blockages, insulation loss) and the thermal pattern each produces

  • Describe limits of IR on reflective metal, low-emissivity surfaces and enclosed equipment, and select an appropriate mitigation for each

  • Perform a supervised or simulated electrical panel scan and produce a 10-point anomaly list with severity and required follow-up

Your checkpoint

Milestone self-test: 40-question timed test across domains 1-3, scored with a written list of every missed concept

Week 5

Electrical and mechanical inspection applications & IR image analysis and interpretation

  • Map 8 qualitative thermal patterns to likely root causes and separate true anomalies from reflections, emissivity artefacts and convective effects

  • Apply a structured interpretation sequence (is the pattern real, is it load-related, is it steady, what is the severity) to 10 images

  • Compare absolute temperature, delta-T, and temperature-rise methods and select the appropriate one for 6 inspection types

  • Interpret isotherm, profile and area-analysis outputs and quantify a hotspot relative to a reference area

  • Rank 10 anomalies into a severity/priority scheme with justification tied to safety and production risk

Your checkpoint

An interpretation workbook of 10 analysed images, each with pattern description, root-cause hypothesis, severity ranking and one confirmed or rejected alternative explanation

Week 6

IR image analysis and interpretation

  • Write the descriptive narrative for 6 images without naming a fault until the evidence in the image is stated

  • Quantify uncertainty in reported temperatures by propagating emissivity, reflected temperature and spot-size errors for 3 cases

  • Distinguish faults requiring immediate action from those needing trending, and state what evidence supports each classification

  • Detect and correct 5 deliberately injected analysis errors (wrong palette choice, clipped level/span, misapplied emissivity, ignored ambient change, over-extrapolated conclusion)

  • Produce a before/after or trend comparison showing change in delta-T over time for a simulated repair case

Your checkpoint

Milestone self-test: 30-question analysis-and-interpretation test plus a written uncertainty statement for 3 measurements

Week 7

Standards, reporting and thermography program implementation

  • Outline the report structure: scope, equipment and calibration status, conditions, method, findings with severity, limitations, recommendations, and sign-off

  • Draft a full inspection report for a simulated electrical or mechanical survey including 5 findings with images described in text and quantified severity

  • List the elements of a thermography program: route definition, baseline and trending intervals, severity matrix, qualification requirements and corrective-action tracking

  • Summarise the purpose of the key standards that govern IR inspection, condition monitoring and electrical maintenance, and cite them by identifier in the report

  • Define calibration, verification and record-retention requirements and identify what makes an inspection record auditable

Your checkpoint

A complete mock inspection report for 5 findings, self-scored against a written 20-point report-quality rubric

Week 8

Thermal physics and heat transfer fundamentals & Infrared equipment, camera setup and measurement techniques & Electrical and mechanical inspection applications & IR image analysis and interpretation & Standards, reporting and thermography program implementation

  • Consolidate all five domains into a single equation, reference-value and error-checklist one-pager

  • Complete two full-length timed mock exams and log every wrong answer by domain and error type

  • Re-drill the two weakest domains until scoring an 85% or better on a targeted 25-question set each

  • Rehearse verbal justification of 10 measurement decisions to expose gaps in reasoning, not just recall

  • Verify logistics: exam format, permitted reference material and time allocation plan per domain

Your checkpoint

Final readiness pack: mock exam scores, error log with remediation notes, and a one-page exam-day time-allocation plan

Milestones

Week 4: Score at least 80% on the 40-question domains 1-3 self-test and submit a written list of every missed concept with a corrective action

Week 6: Score at least 80% on the domain 4 analysis test and produce an uncertainty statement for 3 measurements that a reviewer accepts as complete

Week 8: Score at least 85% on both full-length mock exams and show an error log where every miss is tagged to a domain and remediated