WL24-2B240 SICK Sensor: Reliable Detection and High-Temperature Resistance

sick WL24-2B240

Selling Points

1Detects temperatures up to 800°C, ideal for steel industry applications.
2Provides dual-polarity output or relay output for versatile integration.
3Ensures reliable operation with time delay, alarm, and front mirror heating functions.
4Features a solid metal housing and special attachments for harsh environments.
5Offers precise background suppression (BGS) for accurate detection in challenging conditions.

Technical Specifications

Detailed engineering parameters based on manufacturer documentation

Parameter	Value	Parameter	Value
Functional principle	Photoelectric retro-reflective sensor	Functional principle detail	With minimum distance to reflector (dual lens system)
Dimensions (W x H x D)	27 mm x 87.5 mm x 65 mm	Housing design (light emission)	Rectangular
Sensing range max.	0 m ... 22 m	Sensing range	0 m ... 15 m
Type of light	Visible red light	Light source	LED
Light spot size (distance)	Ø 250 mm (15 m)	Adjustment	Potentiometer
Supply voltage UB	10 V DC ... 30 V DC	Ripple	< 5 V
Current consumption	50 mA	Switching output	NPN, PNP
Switching mode	Light/dark switching	Switching mode selector	Selectable via PNP/NPN selector, selectable via light/dark selector
Output current Imax.	≤ 100 mA	Response time	≤ 500 µs
Switching frequency	1,000 Hz	Time functions	Switch-on delay#!#Off delay
Delay time	Adjustable via time delay selector switch, 0.5 s ... 10 s	Connection type	Terminal connection with M16 gland
Circuit protection	A6)#!#C7)#!#D8)	Protection class	II
Weight	330 g	Polarisation filter	✔
Front screen heating	✔	Housing material	Metal, zinc diecast
Optics material	Plastic, PMMA	Enclosure rating	IP67
Test input sender off	TE to 0 V	Ambient operating temperature	–40 °C ... +60 °C
Ambient temperature, storage	–40 °C ... +75 °C	UL File No.	NRKH.E181493 & NRKH7.E181493

Specifications may be subject to change without notice