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DeFelsko is a U.S manufacturer of Coating Thickness Gauges and related inspection instruments. They have been providing simple, durable and accurate gauges since 1966. They are the most popular coating thickness gauges in the structural steel, tank and pipeline fields.


  1. DeFelsko PosiTest DFT Ferrous and Combination Gauges

    Coating Thickness Gauges from DeFelsko Corporation Measure Coatings on all Metals

  2. DeFelsko Positector 6000 - All Purpose Coating Gauge - Build Your Own Gauge

    • Non-Magnetic Coatings on FERROUS Metals (Steel & Cast Iron)
    • Non-Conductive Coatings on NON-FERROUS Metals (Aluminum, Copper, etc.)
    • Combination (ALL METALS) 


  3. DeFelsko PosiTector 6000 FLS Probe

    DeFelsko PosiTector 6000 FLS Probe

  4. DeFelsko PosiTector 6000 Thick Series Probes

    Coating Thickness Probes for THICK Protective Coatings

  5. DeFelsko PosiTector 200

    Measures coatings over wood, concrete, plastics, composites and more