... presets and stable performance CT Series digital Preset counter / timer with encorder Process counter, Counter, digital timer, digital counter ,multi function ... / length counting/batch counting/ timing* Dual line 6 digit display* With counting up/ down, timing function, 8 kinds of output modes ... is 5-30VDC, L is 0-2VDNon-voltage input: short circuit impedance is max. 1 KΩ, residual voltage is max.2VDC ...