... is a common and handy testing apparatus,testing push and pull load. It is small,light,easy to take,multi-function ... precision. Applicable for all products doing push and pull load test,insert and pull out force test,destroy test,etc. It also can ... buzzer alarm automatically and Level signal output.Display test direction(Pull +, Push -).Memorize 99 groups of datas: max/min value andcalculate ...