Product Model
WL24-2B240

Key Features
- 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
