The QM42 and QMT42 Series sensor features include:

• Features compact, low-cost dc sensors in NEMA 6 (IEC IP67) die-cast housings
• Delivers outstanding immunity to electrical noise
• QM42 series: Available in opposed, polarized retroreflective, diffuse, short-range adjustable-field and plastic fiber optic sensing modes
• QMT42 series (slightly larger): Available in diffuse, fixed-field and long-range adjustable-field sensing modes
• Offers the longest range—6 m—for any diffuse sensor on the market (QMT42)
• Includes marginal gain and Power ON indicator