Coating thickness gauge coating thickness detector coating detector CM8821

Coating thickness gauge coating thickness detector coating detector CM8821 applications: measuring steel, iron and other non-ferromagnetic coatings on magnetic metal substrates, coatings, such as: paint, powder, plastic, rubber, synthetic materials, phosphate layer , chromium, zinc, lead, aluminum, tin, cadmium, porcelain, enamel, oxide layer. Model: CM8821 features: non-magnetic measurement of ferromagnetic metal coating on the substrate thickness measurement range: 0-1000um / 0-40mil (standard range) Minimum surface: F: Convex 1.5mm / concave 25mm N: convex 3mm / recessed 50mm Resolution: 0.1 um (less than 100um) 1 um (greater than 100um) Minimum measuring area: 6mm Thinnest base: 0.3mm Metric / English: optional battery voltage indication: low-voltage automatic shutdown prompted Environment: Temperature: 0 40 ℃ Humidity: 10-90% RH Accuracy: ± 1 ~ 3% n or ± 2.5um Power: 4 AA batteries Dimensions: 161x69x32 mm Weight: 210g (without batteries)