Leuze-Electronic-KRTW-3B-4-1121-S8-White-Light-Contrast-Scanner-Leuze-Electronic-50110576-This-contrast-scanner-uses-the-white-light-emitted-from-an-LED-to-very-precisely-detect-&-compare-contrasts-from-the-target-&-report-the-results-to-the-process-with-minimal-signal-jitter-The-switching-threshold-can-be-adjusted-using-Easy Tune-via-the-Teach-button-The-sensor-uses-the-static-2-point-teach-in-method-&-there-is-remote-teach-keyboard-lockout-&-pulse-stretching-via-pin-2-Leuze-Electr