WORLD-BEAM® QS18 Series Photoelectric Sensors

Banner Engineering WORLD-BEAM® QS18 Series Photoelectric Sensors offer a 10VDC to 30VDC voltage range and bright LED status indicators visible from 360°. These sensors feature IP67-rated ABS housing and LED and coaxial lenses. The coaxial optics detect clear and mirror-like surfaces and operate at short distances from the reflector, enabling precise leading-edge detection. Providing simple pushbutton operation, the user aligns the sensor with the reflector, pushes and holds the button for 2 seconds, and begins inspecting. Banner Engineering WORLD-BEAM QS18 Series Photoelectric Sensors offer a variety of sensing methods, including adjustable background suppression, expert opposed-mode with IO-link, mechanically adjustable foreground suppression, and clear-object detection.

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Qty. RoHS ECAD Model Sensing Method
Sensing Distance
Light Source
Output Configuration
Connection Method
Cable Length
Connector Type
Contact Gender
Number of Pins
Supply Voltage - Min
Supply Voltage - Max
Minimum Operating Temperature
Maximum Operating Temperature
Banner Engineering Photoelectric Sensors WORLD-BEAM QS18 Expert Series: Diffuse; Range: 500 mm; Input: 10-30 V dc; Output: PNP; 2 m (6.5 ft) Cable
Datasheet
2In Stock
Min.: 1
Mult.: 1
Diffuse 500 mm Infrared LED PNP-LO/DO Cable 2 m 10 VDC 30 VDC - 20 C + 70 C
Banner Engineering Photoelectric Sensors WORLD-BEAM QS18 Series: Convergent; Focal Point: 15 mm; Input: 10-30 V dc; Output: Complementary Solid-State PNP; 150 mm (6 in) M12 Pigtail QD
Datasheet
1In Stock
Min.: 1
Mult.: 1
Convergent 15 mm Infrared LED PNP Cable with Connector 150 mm M12 Pin 4 Pin 10 VDC 30 VDC - 20 C + 70 C
Banner Engineering Photoelectric Sensors WORLD-BEAM QS18 Series: Laser Class 2; Cross; Range: 15 m; Input: 10-30 V dc; Output: Not Applicable; 150 mm (6 in) M12 Pigtail QD
Datasheet
3In Stock
Min.: 1
Mult.: 1
Opposed Emitter 15 m Red Laser Cable with Connector 150 mm M12 4 Pin 10 VDC 30 VDC - 10 C + 50 C
Banner Engineering Photoelectric Sensors WORLD-BEAM QS18 Series: Laser Class 1; Range: 30 m; Input: 10-30 V dc; Output: Not Applicable; 150 mm (6 in) M8 Pigtail QD
Datasheet
4In Stock
Min.: 1
Mult.: 1
Opposed Emitter 30 m Red Laser Cable with Connector 150 mm M8 4 Pin 10 VDC 30 VDC - 10 C + 50 C
Banner Engineering Photoelectric Sensors WORLD-BEAM QS18 Expert Series: Convergent; Focal Point: 16 mm; Input: 10-30 V dc; Output: Convergent; 150 mm (6 in) M12 Pigtail QD
Datasheet
1In Stock
Min.: 1
Mult.: 1
Limited Reflective 16 mm Red LED PNP-LO/DO Cable with Connector 150 mm M12 4 Pin 10 VDC 30 VDC - 20 C + 70 C
Banner Engineering Photoelectric Sensors WORLD-BEAM QS18 Expert Series: Divergent Diffuse; Range: 300 mm; Input: 10-30 V dc; Output: PNP; M12 Integral QD
Datasheet
1In Stock
Min.: 1
Mult.: 1
Diffuse 300 mm Infrared LED PNP-LO/DO Connector M12 4 Pin 10 VDC 30 VDC - 20 C + 70 C
Banner Engineering Photoelectric Sensors WORLD-BEAM QS18 Series: Laser Class 1; Range: 30 m; Input: 10-30 V dc; Output: Not Applicable; 2 m (6.5 ft) Cable
Datasheet
26In Stock
Min.: 1
Mult.: 1
Opposed Emitter 30 m Red Laser Cable 2 m 10 VDC 30 VDC - 10 C + 50 C
Banner Engineering Photoelectric Sensors WORLD-BEAM QS18 Universal Volt; Polar Retro Visible; Range: 3.5 m; Input: 20-140 V ac/dc; Output: LO; P-MOSFET (Sourcing); 2 m Cable
Datasheet
12In Stock
Min.: 1
Mult.: 1
Retroreflective 3.5 m Red LED P-MOSFET-LO Cable 2 m 20 VAC/DC 140 VAC/DC - 25 C + 70 C
Banner Engineering Photoelectric Sensors QS18 Expert Series Clear Object Sensor; Range: 3000 mm; Input: 10-30 V dc; Output: PNP; M12 Integral QD
Datasheet
11In Stock
Min.: 1
Mult.: 1
Retroreflective 3 m Red LED PNP Connector M12 4 Pin 10 VDC 30 VDC - 40 C + 70 C
Banner Engineering Photoelectric Sensors WORLD-BEAM QS18 Series: Diffuse; Range: 450 mm; Input: 10-30 V dc; Output: Complementary Solid-State NPN; M12 Integral QD
Datasheet
18In Stock
Min.: 1
Mult.: 1
Diffuse 450 mm Infrared LED NPN Connector M12 Pin 4 Pin 10 VDC 30 VDC - 20 C + 70 C
Banner Engineering 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
Datasheet
24In Stock
Min.: 1
Mult.: 1
Retroreflective 3.5 m Red LED NPN Connector M12 Pin 4 Pin 10 VDC 30 VDC - 20 C + 70 C
Banner Engineering Photoelectric Sensors WORLD-BEAM: Adjustable Field Background Suppression; Cutoff Adjustment Range: 30 to 300 mm; Input: 10-30 V dc; Outputs: Complementary PNP; 150 mm (6 in) M12 Pigtail QD
Datasheet
21In Stock
Min.: 1
Mult.: 1
Background Suppression 30 mm to 300 mm Red LED PNP Cable with Connector 150 mm M12 Pin 4 Pin 10 VDC 30 VDC - 20 C + 55 C
Banner Engineering Photoelectric Sensors WORLD-BEAM QS18 Series: Diffuse; Range: 450 mm; Input: 10-30 V dc; Output: Complementary Solid-State PNP; M12 Integral QD
Datasheet
50In Stock
Min.: 1
Mult.: 1
Diffuse 450 mm Infrared LED PNP Connector M12 Pin 4 Pin 10 VDC 30 VDC - 20 C + 70 C
Banner Engineering Photoelectric Sensors WORLD-BEAM QS18 Series: Fixed-Field; Range: 100 mm cutoff; Output: Complementary Solid-State PNP; 150 mm (6 in) M12 Pigtail QD
Datasheet
21In Stock
Min.: 1
Mult.: 1
Background Suppression 100 mm Red LED PNP Cable with Connector 150 mm M12 Pin 4 Pin 10 VDC 30 VDC - 20 C + 70 C
Banner Engineering Photoelectric Sensors WORLD-BEAM QS18 Series: Fixed-Field; Range: 100 mm cutoff; Output: Complementary Solid-State PNP; M12 Integral QD
Datasheet
64In Stock
Min.: 1
Mult.: 1
Background Suppression 100 mm Red LED PNP Connector M12 Pin 4 Pin 10 VDC 30 VDC - 20 C + 70 C
Banner Engineering Photoelectric Sensors WORLD-BEAM QS18 Series: Fixed-Field; Range: 50 mm; Input: 10-30 V dc; Output: Complementary Solid-State PNP; 4-pin M12 Integral QD
Datasheet
30In Stock
Min.: 1
Mult.: 1
Background Suppression 50 mm Red LED PNP Connector M12 Pin 4 Pin 10 VDC 30 VDC - 20 C + 70 C
Banner Engineering Photoelectric Sensors WORLD-BEAM QS18 LASER POLAR RETRO; Range: 0.1-10 m; Input: 10-30 V dc; Output: Complementary Solid-State PNP; 2 m Cable
Datasheet
23In Stock
Min.: 1
Mult.: 1
Retroreflective 100 mm to 10 m Red Laser PNP-LO/DO Cable 2 m 10 VDC 30 VDC - 10 C + 50 C
Banner Engineering Photoelectric Sensors WORLD-BEAM QS18 LASER POLAR RETRO; Range: 0.1-10 m; Input: 10-30 V dc; Output: Complementary Solid-State PNP; 150 mm M12 Pigtail QD
Datasheet
9In Stock
15Expected 3/23/2026
Min.: 1
Mult.: 1
Retroreflective 100 mm to 10 m Red Laser PNP-LO/DO Cable with Connector 150 mm M12 Pin 4 Pin 10 VDC 30 VDC - 10 C + 50 C
Banner Engineering Photoelectric Sensors WORLD-BEAM QS18 LASER POLAR RETRO; Range: 0.1-10 m; Input: 10-30 V dc; Output: Complementary Solid-State PNP; 4-pin M12 Integral QD
Datasheet
8In Stock
8Expected 3/12/2026
Min.: 1
Mult.: 1
Retroreflective 100 mm to 10 m Red Laser PNP-LO/DO Connector M12 Pin 4 Pin 10 VDC 30 VDC - 10 C + 50 C
Banner Engineering Photoelectric Sensors WORLD-BEAM: Polarized Retro; Range: 3.5 m; Input: 10-30 V dc; Outputs: Complementary PNP; 150 mm (6 in) M12 Pigtail QD
Datasheet
10In Stock
Min.: 1
Mult.: 1
Retroreflective 3.5 m Red LED PNP Cable with Connector 150 mm M12 Pin 4 Pin 10 VDC 30 VDC - 20 C + 70 C
Banner Engineering Photoelectric Sensors WORLD-BEAM: Polarized Retro; Range: 3.5 m; Input: 10-30 V dc; Outputs: Complementary PNP; M12 Integral QD
Datasheet
62In Stock
46Expected 2/16/2026
Min.: 1
Mult.: 1
Retroreflective 3.5 m Red LED PNP Connector M12 Pin 4 Pin 10 VDC 30 VDC - 20 C + 70 C
Banner Engineering Photoelectric Sensors WORLD-BEAM QS18 Series: Retro; Range: 6.5 m; Input: 10-30 V dc; Output: Complementary SOlid State PNP; M12 Integral QD
Datasheet
20In Stock
17Expected 3/10/2026
Min.: 1
Mult.: 1
Retroreflective 6.5 m Red LED PNP Connector M12 Pin 4 Pin 10 VDC 30 VDC - 20 C + 70 C
Banner Engineering Photoelectric Sensors WORLD-BEAM QS18 Series: Receiver; Range: 20 m; Input: 10-30 V dc; Output: Complementary Solid-State PNP; M12 Integral QD
Datasheet
28In Stock
Min.: 1
Mult.: 1
Opposed Receiver 20 m PNP Connector M12 Pin 4 Pin 10 VDC 30 VDC - 20 C + 70 C
Banner Engineering Photoelectric Sensors WORLD-BEAM QS18 Series: Emitter; Range: 20 m; Input: 10-30 V dc; Output: Not Applicable; 2 m (6.5 ft) Cable
Datasheet
7In Stock
Min.: 1
Mult.: 1
Opposed Emitter 20 m Infrared LED Cable 2 m 10 VDC 30 VDC - 20 C + 70 C
Banner Engineering Photoelectric Sensors WORLD-BEAM QS18 Series: Emitter (Flush Front); Range: 3 m; Input: 10-30 V dc; Output: Not Applicable; 2 m (6.5 ft) Cable
Datasheet
3In Stock
Min.: 1
Mult.: 1
Opposed Emitter 3 m Infrared LED Cable 2 m 10 VDC 30 VDC - 20 C + 70 C