SICK PHOTOELECTRIC SENSOR HL18 Series adalah produsen photoelectric sensor dengan nama PHOTOELECTRIC SENSOR SICK seperti series HL18-P4A2AA, HL18-P4A2BA, HL18-P4A3AA, HL18-P4A3BG, HL18-P4A3AAS06, HL18-P4A3BAP01, HL18-P3A3BH, HL18-B4A3BA, HL18-X4A3AA, HL18-V4A3AA.