Photoelectric Sensors Thrubeam, Side-sensing type, Sensing range 500mm, Light-ON, NPN output

Fibre Optic Sensors Digital Fiber Sensor, 4 to 20mA analog output, 2-NPN outputs

Fibre Optic Sensors D11 Series: Plastic Fiber Optic; Range: Depends on Fiber; Input: 10-30 V dc; Output: Complementary NPN; 2 m (6.5 ft) Cable

Fibre Optic Sensors DF-G2 Red Beam Small Object Counter Dual Display Fiber Amplifier; Range: Depends on Fiber; Input 10-30 V dc; Outputs: 1 NPN Counting, 1 NPN Health; 150 mm (6 in) 5-pin M12 PVC Pigtail QD

Fibre Optic Sensors DF-G3 Red Beam High Power Dual Display Fiber Amplifier; Range: Depends on Fiber; Input 12-30 V dc; Outputs: 1 NPN and 0-10 V dc analog; 2 m 5-conductor PVC Cable

Photoelectric Sensors QS18 Expert Series Clear Object Sensor; Range: 3000 mm; Input: 10-30 V dc; Output: NPN; M12 Integral QD

Photoelectric Sensors WORLD-BEAM: Adjustable Field Background Suppression; Cutoff Adjustment Range: 30 to 300 mm; Input: 10-30 V dc; Outputs: Complementary NPN; 150 mm (6 in) M12 Pigtail QD

Photoelectric Sensors WORLD-BEAM QS18 Series: Diffuse (Flush Front); Range: 450 mm; Input: 10-30 V dc; Output: Complementary Solid-State NPN; 2 m (6.5 ft) Cable

Photoelectric Sensors WORLD-BEAM QS18 Series: Fixed-Field; Range: 100 mm cutoff; Output: Complementary Solid-State NPN; 2 m (6.5 ft) Cable

Photoelectric Sensors WORLD-BEAM Q18 Series: Fixed-Field; Range: 50 mm; Input: 10-30 V dc; Output: Complementary Solid-State NPN; 2 m (6.5 ft) Cable

Photoelectric Sensors WORLD-BEAM QS18 Series: Polarized Retro; Range: 3.5 m; Input: 10-30 V dc; Output: Complementary Solid-State NPN; Integral 4-pin M12 Integral QD

Photoelectric Sensors WORLD-BEAM QS18 Series: Retro; Range: 6.5 m; Input: 10-30 V dc; Output: Complementary Solid-State NPN; M12 Integral QD