SF2B (Type 2)
Zero dead zone, max. sensing distance 13m, built-in digital error indicator, available in arm type (pitch 40mm) and hand type (pitch 20mm)
SF4B (Type 4)
Zero dead zone, built-in digital error indicator and muting control function, NPN / PNP type selectable, available in arm type (pitch 40mm), hand type (pitch 20mm) and finger type (pitch 10mm)