Free IR Level I Exam Prep
Certified Infrared Thermographer Level I
Prepare for the IR Level I exam without spending hundreds on expensive prep courses. Free study guides, practice questions, flashcards, and related exam resources.
Quick Facts
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IR ITC Thermography Certifications License: Complete Roadmap
Follow this path to organize your licensing and exam preparation
Phase 1: Infrared Physics and Camera FundamentalsYou are here
Master Planck's law, Stefan-Boltzmann (T^4), Wien's displacement (2898/T μm), emissivity, Kirchhoff's law, LWIR/MWIR bands, IFOV, NETD, FOV, NUC, germanium lenses, and microbolometer detectors.
Phase 2: Measurement Technique
Study emissivity correction, reflected apparent temperature (RAT) measurement using aluminum foil method, atmospheric attenuation correction, level/span display controls, spot/area tools, and D:S ratio.
Phase 3: Application-Specific Inspection
Practice electrical inspection (load requirements, temperature differentials, severity classification), mechanical inspection (bearings, motors, steam traps), and building envelope (delta-T, insulation, rooftop surveys).
Phase 4: Safety and Certification Framework
Review NFPA 70E arc-flash PPE, approach boundaries, energized work permits, ASNT SNT-TC-1A Level I/II/III responsibilities, and reporting requirements.
Can You Take the IR Level I Exam?
Check if you meet the basic eligibility requirements
- •Complete the 3–4 day Level I classroom course from ITC or Infraspection Institute
- •Pass written examination and practical evaluation
- •Agree to provider's code of ethics and certification terms
- •Meet employer's written practice requirements if pursuing SNT-TC-1A employer certification
IR Level I Quick Facts
Time to Get Licensed
3–4 days classroom plus 1–2 weeks self-study
From start to license in hand
Exam Provider
Infrared Training Center (ITC, Teledyne FLIR) and Infraspection Institute
Retake Policy
Varies by provider; contact ITC or Infraspection Institute directly
Total Cost Breakdown
Free IR Level I Prep Tools
Reported exam pass rate: ITC and Infraspection Institute do not publish Level I pass rate data.. These figures describe exam candidates, not OpenExamPrep user outcomes. Check the exam sponsor’s website for published statistics.
100 Practice Questions
Level I thermography questions covering IR physics, camera operation, electrical and building inspection, and NFPA 70E safety.
AI-Powered Learning
Adaptive coaching for emissivity, IFOV/NETD concepts, electrical severity criteria, and Stefan-Boltzmann/Wien's law calculations.
2026 Updated
Aligned with current ASNT SNT-TC-1A, ISO 18436-7, and NFPA 70E 2024 edition requirements.
Free Access
Start Level I thermography prep free before investing in the ITC or Infraspection Institute course.
What You'll Study
11 chapters covering the exam topics in this guide
Chapter 1: Heat Transfer & Thermal Science Fundamentals
3 sections
Chapter 2: Infrared Radiation Physics & Governing Laws
4 sections
Chapter 3: Radiosity, Emissivity & Surface Optics
3 sections
Chapter 4: Thermal Imaging Equipment & Optics
4 sections
Chapter 5: Camera Operation & Measurement Corrections
3 sections
Chapter 6: Electrical Infrared Inspection Principles
3 sections
Chapter 7: Electrical Equipment & Severity Evaluation
4 sections
Chapter 8: Mechanical Systems & Machinery Monitoring
3 sections
Chapter 9: Industrial Piping, Steam Traps, Refractory & Active Techniques
4 sections
Chapter 10: Building Envelope & Low-Slope Roof Inspections
4 sections
Chapter 11: Safety, Standards, Reporting & Program Management
5 sections
IR Level I Exam Details
Certified Infrared Thermographer Level I
Administered by Infrared Training Center (ITC, Teledyne FLIR) and Infraspection Institute
Exam Content Breakdown
Based on the official Infrared Training Center (ITC, Teledyne FLIR) and Infraspection Institute content outline
Blackbody radiation, Planck's law, Stefan-Boltzmann law (T^4), Wien's displacement law, emissivity, Kirchhoff's law (ε + ρ + τ = 1), gray body vs. selective radiator, LWIR/MWIR spectral bands.
IFOV (spatial resolution), NETD (thermal sensitivity), FOV, lens types (germanium LWIR), microbolometer detectors, NUC, level/span display controls, spot/area measurement, D:S ratio, atmospheric attenuation, IR-opaque materials (glass, plastic).
Load requirements (70–80% minimum), temperature differential severity criteria (minor/intermediate/serious/critical), switchgear, panels, bus bars, fuses, transformers, overhead lines, busways, Infraspection IISE standard.
Bearing inspection, motor winding temperature patterns, coupling misalignment, steam trap analysis (failed open vs. failed closed), refractory-lined equipment monitoring.
Delta-T requirements (10°C minimum), insulation defects, thermal bridges, air infiltration patterns, rooftop wet insulation (thermal capacitance method, ASTM C1153), interior vs. exterior surveys, heating and cooling season differences.
NFPA 70E arc-flash PPE and approach boundaries, energized electrical work permit, ASNT SNT-TC-1A Level I/II/III responsibilities, ISO 18436-7, inspection report elements, data management and trending.
What's Included
11 Chapters
Complete exam coverage
Practice Quizzes
With detailed explanations
Free to Start
No credit card required
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What's Next After the IR Level I?
After passing the IR Level I, you can pursue these career paths
Certified Infrared Thermographer Level II
Advance to independent thermal analysis, quantitative measurements, procedure writing, and final report sign-off.
AMPP CIP Level 1
Complement thermography with coatings inspection skills for industrial maintenance roles.
NETA Electrical Testing Technician
Expand into comprehensive electrical acceptance and maintenance testing for power systems.
IR Level I Exam FAQ
Official Infrared Training Center (ITC, Teledyne FLIR) and Infraspection Institute Resources
Verify information with these official sources
More Free Resources
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