The Turck Banner QM42/QMT42 series of photoelectric sensors feature compact, low-cost dc sensors in NEMA 6 (IEC IP67) die-cast housings and deliver outstanding immunity to electrical noise. The QMT42 series is slightly larger than the QM42 series and offers the longest range of any diffuse sensor on the market (6 m).
QM42 series: Available in opposed, polarized retroreflective, diffuse, short range adjustable-field and plastic fibre optic sensing modes QMT42 series: Available in diffuse, fixed-field and long-range adjustable-field sensing modes Includes marginal gain and power indicator