Home Leuze Contrast Sensors 21 Series KRT21M-09.PL3/42-M12 Leuze KRT21M-09.PL3/42-M12 50127841 Contrast Sensors The Leuze KRT21M-09.PL3/42-M12 is a high-precision Contrast Sensor (Part No. 50127841) designed for accurate contrast recognition, rapid switching response, and stable detection performance. Manufactured by Leuze, this Contrast Sensors solution helps identify subtle differences in color and contrast, supporting reliable product tracking and positioning in high-speed industrial automation applications.
Brand Leuze Product Contrast Sensors Model Number KRT21M-09.PL3/42-M12
Leuze KRT21M-09.PL3/42-M12 50127841 Contrast Sensors - Technical Specifications Specification Value Operating principle 9 mm ± 3 mm Type of connection Connector Thread size M12 Material Plastic No. of pins 4 -pin Encoding A-coded Design Cubic Ambient temperature, operation -10 ... 55 °C Ambient temperature, storage -20 ... 70 °C Degree of protection IP 67 Operating range 9 mm ± 3 mm Beam path Focused Light source LED, RGB Transmitted-signal shape Pulsed Light spot size [at sensor distance] 1.5 mm x 5 mm Light spot orientation Vertical Type of light spot geometry Rectangular Light beam exit On face Supply voltage 10 ... 30 V, DC Residual ripple 0 ... 15 %, From UB Open-circuit current 0 ... 25 mA Number of digital switching outputs 2 Piece(s) Voltage type DC Switching current, max. 100 mA Switching voltage high: ≥(UB-2V)
low: ≤ 2 V Switching element Transistor, PNP Switching principle Switching signal on mark Switching frequency 15,000 Hz Response time 0.03 ms Dimension (W x H x L) 31 mm x 53 mm x 80.1 mm Housing material Plastic Plastic housing ABS Housing color Black Type of display LED Operational controls Teach button
