The PosiTest DFT nondestructively measures the total thickness of coatings applied to ferrous (F model) or ferrous/Non-ferrous (F/NF model) metal substrates.
The durable, portable Qnix 1500 measures the thickness of coatings (0-200 mils or 0-5000 microns) applied to both ferrous and non-ferrous metal substrates.