SICK WTB2S-2P1151 Photoelectric Sensor
Product Overview
The WTB2S-2P1151 is a high-performance miniature photoelectric sensor from SICK, Germany. As part of the WTB2S series, this sensor combines compact design with precise detection capabilities and exceptional reliability for industrial automation applications.
Key Advantages (Core Features)
- Ultra‑Compact Design: 7.7 mm width for mounting in narrow machine gapsSICK.
- PinPoint 2.0 LED: Sharp, Ø3.5 mm light spot at 50 mm; detects tiny objects and deep‑black items (1% reflectivity).
- Background Suppression: Eliminates false triggers from rear surfaces; stable 1–150 mm sensing range.
- High‑Speed Response: 0.5 ms response time, 1 kHz switching frequency for fast production lines.
- IP67 Protection: Dust‑tight and water‑resistant for harsh industrial environments.
- Easy Adjustment: 3‑turn potentiometer for sensitivity tuning; PNP output with light/dark switching.
Technical Specifications
| Parameter |
Details |
| Brand |
SICK |
| Model |
WTB2S-2P1151 |
| Part No. |
1066110 |
| Detection Principle |
Diffuse reflection with background suppression |
| Sensing Range |
1 mm – 150 mm (adjustable) |
| Light Source |
PinPoint 2.0 red LED (640 nm) |
| Light Spot Size |
Ø3.5 mm @ 50 mm |
| Response Time |
0.5 ms |
| Switching Frequency |
1 kHz |
| Supply Voltage |
10 – 30 V DC |
| Output Type |
PNP (50 mA max.) |
| Housing Material |
ABS/PC plastic |
| Protection Rating |
IP67 |
| Dimensions (W*H*D) |
7.7 * 27.5 * 13.5 mmSICK |
| Weight |
Approx. 10 g (without cable) |
| Operating Temperature |
-25 °C to +50 °C |
| Certifications |
CE, UL, RoHS |
Key Features
- Compact miniature design for space-constrained installations
- Precise detection performance for small object recognition
- High reliability in demanding industrial environments
- Optimized for various industrial automation production lines
- Stable and efficient object recognition and positioning
Application Areas
Specifically designed for small object detection scenarios, this sensor is widely adaptable across multiple industries including logistics, packaging, and electronics manufacturing. It provides refined inspection capabilities essential for modern automated production systems.
German Engineering Excellence: Leveraging SICK's century-long expertise in sensing technology, the WTB2S-2P1151 balances practical functionality with cost-effectiveness, ensuring reliable performance across complex working conditions in multiple industrial scenarios.