SICK WTB8L-P2111 Miniature Photoelectric Sensor

Selling Points

1High Precision Detection: Detects small objects with high accuracy, regardless of color or surface quality.
2Background Suppression: Advanced detection principle ensures reliable operation in complex environments.
3Fast Switching Frequency: Rapidly detects moving objects at high speeds, optimizing production processes.
4Compact Design: Slim rectangular housing with M3 threaded mounting holes for easy installation.
5Long Service Life: Average service life of 100,000 hours at +25°C, ensuring reliable operation over time.

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.	5 mm ... 100 mm	Sensing range	20 mm ... 100 mm
Type of light	Visible red light	Light source	Laser
Light spot size (distance)	Ø 1 mm (100 mm)	Wave length	650 nm
Laser class	1	Adjustment	Potentiometer, 4 turns
Special applications	Detecting small objects, Detection of objects moving at high speeds	Supply voltage UB	10 V DC ... 30 V DC
Ripple	± 10 %	Current consumption	30 mA
Switching output	PNP	Switching mode	Light/dark switching
Switching mode selector	Selectable via light/dark rotary switch	Signal voltage PNP HIGH/LOW	Approx. V#!#– 1.8 V / 0 V
Output current Imax.	≤ 100 mA	Response time	≤ 0.25 ms
Switching frequency	2,000 Hz	Connection type	Connector M8, 3-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