Fowler / Sylvac Hi Cal Height Gage with Bluetooth Fowler's high accuracy height gage designed for measuring internal and external diameters, centerlines, heights, widths, depths, and surfaces. This unit incorporates a Ruby Ball Touch Probe with a motorized carriage for quick and easy operation. Bluetooth, USB, and RS-232 output options. Specifications include... 0-12" / 300mm Measuring Range 0.00005" / 0.001mm Resolution 0.00016" / .0042mm Accuracy 0.2 - 0.3N Extra Low Measuring Force 2.5 + L/175 Maximum Error (um) Features include... Motorized carriage MIN / MAX / TIR Capable Intuitive Functions minimizes key strokes Bluetooth, USB & RS-232 Output 3mm Ruby Probe 4mm Probe Shank Includes Setting Gage