... counter 3.Four output models. 4.Up and down counter Digital preset counterFeature1. Using SCM function, operation easy.2. Appear six ... output models(R,N,C,F).4. Backup data for power fail,the data will be kept 10 years after the power ... ΩCounting speed (5 class forset)20CPS,200CPS,3000C PS,10000CPS. Digital preset counter