Ultrasonic Wall Thickness Gage; Includes USB Cable; Thickness Measurement Resolution 0.0001 in; Calibration Certificate Type NIST; Maximum Frequency 15 Hz; Standards ASTM E797; Digital Display Screen Type LCD Touchscreen; Interface USB; Wireless; Batteries Included Yes; Battery Chemistry Alkaline; Compatible Material Carbon Steel; Manufacturer Warranty Length 2 yr; Display Size 0.505 in; Battery Size AAA; Battery Voltage 1.5V; Number of Batteries Required 3; Power Source Battery

Ultrasonic Wall Thickness Gage; Includes USB Cable; Thickness Measurement Resolution 0.001 in; Calibration Certificate Type NIST; Maximum Frequency 5 Hz; Standards ASTM E797; Digital Display Screen Type LCD Touchscreen; Interface USB; Wireless; Batteries Included Yes; Battery Chemistry Alkaline; Compatible Material Plastic; Steel; Manufacturer Warranty Length 2 yr; Display Size 2.8 in; Battery Size AAA; Battery Voltage 1.5V; Number of Batteries Required 3; Power Source Battery