... managed. * Wide range of torque testing, high accuracy,with auot-zero function (one second,two seconds,and three seconds). * Capable to ... store/record up to 100 data. * Automatically recalibrated to zero value when turn on.. * Measurements can be taken in either clockwise or ... be charged about 300 times or moreZero AdjustmentAuto-zero when power is onAuto-zero functionAdjust by setting time(1s,2s,3s) ...