These gauges can be used for non-destructive coating thickness measurement of nonmagnetic coatings, e.g. paint, enamel, chrome on steel, and insulating coatings, e.g. paint and anodizing coatings on non-ferrous metals.
SPECIFICATION :Measuring principle : Magnetic induction(F) Eddy current(N)Measuring range : 0 to 1500umAccuracy : ±(2.5%+1um)Resolution : 0~99.9um(0.1um), others(1um)Units : um, mm, mils Size / Weight / Case Material : 113mmX53mmX24mm/80g/ABS Power supply : Two 1.5V AAA battery Operation environment : Temperature: -10 to 50ºCStorage environment : Temperature: -10 to 60ºCReadings memory : 320 reading for RT-770, 2000 readings for RT-770SStandard / Certificates : CE, ROHS, ISO 2178, 2360, GB/T 4956-2003, 4957-2003