... -3 L/min, working voltage: DC3-18 V, rated voltage DC5V;5, output voltage (rated DC5V) : high level 4.5 V above, low level 0 ... -18V, rate 5VDC4Maximum operating current15mA5The output pulse high levelIn 5 V rated voltage, the output of the high level requirements in 4 ... .5 V above6The output pulse low levelIn 5 V rated voltage, the output of the low level ...