Sxzr-10a is single phase dc winding resistance tester which designed specifically to measure dc resistance values of transformer windings and any dc resistance of an inductive device. , controlled by high speed scm, easy to use. , selectable current positions, large measurement range, suitable for the dc resistance values measuring of large-medium transformers. , full protection functions to ensure safety and availability. , auto discharging and discharging indicator. , intelligent power management technology, small consumption, less heating. , 320x240 true color lcd screen. , built-in thermal printer. , perpetual calendar, 1000 groups data storage no lost even power failure. , rs232 and usb interface, easy communicate with pc and u disk.