Coating Thickness Gauge with automatic substrate identification for ferrous and non-ferrous materials. Measures iron matrix from 0 to 1250um and non-ferrous substrates from 0 to 49.2mil. Features 100 sets of data storage with automatic recognition and shutdown, and integrated high-sensitivity detection for fast and accurate measurements. Utilizes magnetic and eddy current methods for versatile use on non-magnetic metal substrates. Supports single-point and continuous measurements, and includes a dog key for easy mode selection. Stores up to 100 groups of data for convenient reference.