Thickness Gauge AD-3256 | Dual Type Coating Thickness Gauge | Test & Measurement | Products | A&D ProductTest and MeasurementTest InstrumentsRheometers & ViscometersPipettesNoise & VibrationUltrasonic Thicknes… AD-3255 | Ultrasonic Thickness Gage | Test & Measurement | Products | A&D The thickness of an object excluding paints and coatings can be measured with Echo-echo mode using AD-3255-04 probe. (M…