Product Description 573-761-20 Mitutoyo IP67 ABSOLUTE Digimatic Tube Thickness Caliper: 0-6"/150mm The Mitutoyo573-761-20IP67 ABSOLUTE Digimatic Tube Thickness Caliper has the following specifications: Range: 0-6"/150mm Graduation: .0005"/.01mm Accuracy: +/- .002" Mass(g): 167 Features: The main scale jaw is a round bar that facilitates measurements of tube wall thickness. With SPC data output. Supplied in fitted plastic case. Technical Data Display: LCD Length standard: ABSOLUTE electrostatic capacitance type linear encoder Max. response speed: Unlimited Battery: SR44 (1 pc.), 938882 Battery life: Approx. 3.5 years under normal use Digital models Analog models Function of Digital Model: Origin-set, Zero-setting, Power On/Off, Data output, inch/mm conversion (inch/mm models) Alarm: Low voltage, Counting value composition error