WTB8L-N2231 SICK Photoelectric Sensor - Background Suppression and High Accuracy

Selling Points

1Background Suppression Technology: Enhances detection accuracy by suppressing background reflections.
2High Detection Range: Detects objects from 30 mm to 300 mm with precision.
3Compact Design: Measuring 11 mm x 31 mm x 20 mm, perfect for space-constrained applications.
4Laser Light Source: Uses a red laser light source with a wavelength of 650 nm for clear visibility.
5Fast Response Time: Responds in as little as 0.25 ms, ensuring quick and reliable detection.

Detailed engineering parameters based on manufacturer documentation

Parameter	Value	Parameter	Value
Functional principle	Photoelectric proximity sensor	Functional principle detail	Background suppression
Dimensions (W x H x D)	11 mm x 31 mm x 20 mm	Housing design (light emission)	Rectangular
Sensing range max.	30 mm ... 300 mm	Sensing range	40 mm ... 300 mm
Type of light	Visible red light	Light source	Laser
Light spot size (distance)	Ø 1.5 mm (300 mm)	Wave length	650 nm
Laser class	1	Adjustment	Potentiometer, 4 turns
Special applications	Detecting small objects, Detection of objects moving at high speeds	Test input sender off	TE to 0 V
Supply voltage UB	10 V DC ... 30 V DC	Ripple	± 10 %
Current consumption	30 mA	Switching output	NPN
Switching mode	Light/dark switching	Switching mode selector	Selectable via light/dark rotary switch
Signal voltage NPN HIGH/LOW	Approx. V#!#/ < 1.8 V	Output current Imax.	≤ 100 mA
Response time	≤ 0.25 ms	Switching frequency	2,000 Hz
Connection type	Male connector M8, 4-pin	Circuit protection	A6)#!#B7)#!#D8)
Weight	10 g	Housing material	Plastic, ABS
Optics material	Plastic, PMMA	Enclosure rating	IP67
Items supplied	Stainless steel mounting bracket (1.4301/304) BEF-W100-A	Ambient operating temperature	–10 °C ... +50 °C
Ambient temperature, storage	–40 °C ... +70 °C

Specifications may be subject to change without notice