Highly Reliable WL9M4L-3P1132 Photoelectric Sensor by SICK

Selling Points

1Precise Detection: Detects small objects and fine details with high accuracy.
2Robust Construction: Fiberglass-reinforced plastic housing ensures maximum mechanical stability.
3Long Sensing Range: Offers extended sensing ranges up to 14.5 meters for transparent objects.
4High Immunity: Immune to cleaning agents and background ambient light, reducing faulty switching.
5Versatile Mounting: Multiple mounting options with M3 and M4 hole patterns for easy installation.

Detailed engineering parameters based on manufacturer documentation

Parameter	Value	Parameter	Value
Functional principle	Photoelectric retro-reflective sensor	Functional principle detail	Without reflector minimum distance (autocollimation/coaxial optics)
Dimensions (W x H x D)	12.2 mm x 50 mm x 23.6 mm	Housing design (light emission)	Rectangular
Mounting hole	M4	Sensing range max.	0 m ... 12 m
Sensing range	0 m ... 8 m	Type of light	Visible red light
Light source	Laser	Light spot size (distance)	Ø 1 mm (500 mm)
Wave length	650 nm	Laser class	1 (IEC 60825-1 / CDRH 21 CFR 1040.10 & 1040.11)
Adjustment	Single teach-in button	Special applications	Detecting small objects
Supply voltage UB	10 V DC ... 30 V DC	Ripple	< 5 V
Current consumption	30 mA	Switching output	PNP
Output function	Complementary	Switching mode	Light/dark switching
Output current Imax.	≤ 100 mA	Response time	≤ 0.5 ms
Switching frequency	1,000 Hz	Connection type	Cable, 4-wire, 2 m
Cable material	Plastic, PVC	Conductor cross section	0.14 mm²
Circuit protection	A8)#!#B9)#!#C10)	Protection class	III
Weight	80 g	Polarisation filter	✔
Housing material	Plastic, VISTAL®	Optics material	Plastic, PMMA
Enclosure rating	IP66#!#IP67#!#IP69K	Ambient operating temperature	–10 °C ... +50 °C
Ambient operating temperature extended	–30 °C ... +55 °C	Ambient temperature, storage	–30 °C ... +70 °C
UL File No.	NRKH.E181493

Specifications may be subject to change without notice