Product Description 209-913 Mitutoyo External Tube Thickness Digimatic Caliper Gage: 0-1.18"/30mm The Mitutoyo 209-913 External Digimatic Caliper Gage has the following specifications: Range: 0-1.18"/30mm Resolution: .0002"/0.005mm Accuracy: .002"/0.04mm Max. Measuring Depth L: 4.5"/114mm Type of Measuring Contact/type of set up: Ball .12"/3mm dia. Both/ A Measuring Contact Length Hb: 1.17"/30mm Measuring Contact Length Hf: 1.17"/30mm Mass: 430g Features: Versatile OD measuring gages for groove thickness, tube thickness, and hard-to-reach dimensions. The Digimatic Caliper Gages provide error-free LCD readings as well as data output for SPC analysis. Technical Data: Resolution: .001?, .0005?, or .0002?, 0.01mm, 0.02mm, or 0.005mm Display: Analog / Digital Power Supply: AA Battery (2pcs) Battery life: Approx. 350 hours Measuring Force: 0.8 - 1.7N Dust/Water protection level: IP67 Provided with inspection certificate. Function: Zeroset, Preset, Auto power OFF, Inch/Metric, conversion Data hold, Max/Min value holding, Data output * Contact type 3, 4 does not have max. min. value hold.