STF Reflective Type Light Barrier 1.Reflector mirror light curtain, SN=8M 2.Relay or NPN/PNP output 3. ... Resolution : 40,80mm 1. Features of STF Series Reflective Type Light Barrier ... and horizontal), light curtain can be used in series. Application fields: mainly used in the machine finishing ... ELCTRICAL CO.LTD Fast Response IBEST STF Series Reflective Type Light Barrier