... dynamometer 1,crane scale. 2,manufacturer. 3,long battery life. 4,dyna link. engine dyno dynamometer1,crane scale ... .2,manufacturer.3,long battery life.4,dyna link.Standard Features:Rugged construction. Accuracy ... warning applications or for limit weighing. Long battery life on 3 standard “LR6(AA)”size alkaline batteries. All commonly used internationally recognized ...