SICK WTB8-N1131 Miniature Photoelectric Sensor

Selling Points

1High Precision Detection: The WTB8-N1131 features background suppression for reliable detection of objects regardless of color or surface quality.
2Adjustable Sensing Range: With a sensing range of 30mm to 300mm, this sensor is versatile for various industrial applications.
3Visible Red Light: Uses visible red light with an LED source, providing a highly visible light spot for easy alignment.
4Compact Design: Measuring 11mm x 31mm x 20mm, it is a compact and space-efficient solution.
5Long Service Life: Designed for an average service life of 100,000 hours at +25°C ambient temperature.

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	LED
Light spot size (distance)	Ø 20 mm (300 mm)	Wave length	650 nm
Adjustment	Potentiometer, 4 turns	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	≤ 0.5 ms
Switching frequency	1,000 Hz	Connection type	Cable, 3-wire, 2 m
Cable material	Plastic, PVC	Circuit protection	A7)#!#B8)#!#D9)
Weight	50 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	–25 °C ... +55 °C
Ambient temperature, storage	–40 °C ... +70 °C

Specifications may be subject to change without notice