Reed Instruments Thickness Gauge with 5-Step Calibration Block, Digital, Ultrasound (R7920)

Thickness Gauge with 5-Step Calibration BlockInternal memory capable of storing up to 300 readings with user alarm thickness limits and features the 5-step calibration blockMeasures the thickness of steel, cast iron, aluminum, acrylic resin, red copper, brass, zinc, quartz glass, polyethylene, PVC, grey cast iron, and nodular cast ironEasy-to-read backlit LCD displayUser-selectable units of measure (in/mm)Displays sound velocity at the touch of a buttonUser-adjustable High/Low alarmsAutomatic material calibrationAuto shut-off and low battery indicator