Sick GTB2F-E5131 Photoelectric Sensor
The Sick GTB2F-E5131 photoelectric sensor provides background suppression, 4 mm light spot, NPN output, and 1–30 mm sensing range. This GTB2F-E5131 Sick 4 mm Light Spot Photo Sensor from Sick belongs to Sick Photoelectric Sensors and the GTB series, operating on 10–30 V DC with <0.625 ms response time, 800 Hz switching frequency, rectangular VISTAL® housing, M8 connector cable, and IP67 enclosure rating.
| Brand | Sick |
| Product Type | Photoelectric Sensor |
| Product | GTB2F-E5131 |
Sick GTB2F-E5131 Photoelectric Sensor – Technical Specifications
| Specification | Value |
|---|---|
| Functional principle | Photoelectric proximity sensor |
| Functional principle detail | Background suppression |
| Dimensions (W x H x D) | 14 mm x 24 mm x 3.5 mm |
| Housing design (light emission) | Rectangular |
| Sensing range max. | 1 mm ... 35 mm |
| Sensing range | 1 mm ... 30 mm |
| Type of Light | Visible red light |
| Light source | PinPoint LED |
| Light spot size (distance) | Ø 4 mm (30 mm) |
| Wave length | 660 nm |
| Adjustment | None |
| Supply voltage UB | 10 V DC ... 30 V DC |
| Ripple | < 5 Vpp |
| Current consumption | 20 mA |
| Switching output | NPN |
| Switching mode | Dark switching |
| Output current Imax. | ≤ 50 mA |
| Response time | < 0.625 ms |
| Switching frequency | 800 Hz 4) |
| Connection type | Cable with connector M8, 3-pin, 200 mm 5) |
| Cable material | PVC |
| Cable diameter | Ø 2.3 mm |
| Housing material | Plastic, VISTAL® |
| Optics material | Plastic, PMMA |
| Enclosure rating | IP67 |
| Ambient operating temperature | –25 °C ... +50 °C |
| Ambient temperature, storage | –40 °C ... +70 °C |
| Weight | 13 g |
The GTB2F-E5131 Sick 4 mm Light Spot Photo Sensor is a compact photoelectric proximity sensor designed for accurate short-range detection in industrial automation. The GTB2F-E5131 Sick 4 mm Light Spot Photo Sensor operates with background suppression, a 1–30 mm sensing range, NPN switching output, and a PinPoint LED light source. It belongs to the GTB series and is used where precise object positioning is required.
This photoelectric sensor is commonly installed in conveyors, packaging machines, automated assembly systems, and inspection stations. The defined Ø 4 mm light spot supports reliable detection of small objects, while the <0.625 ms response time allows consistent performance in high-speed automation processes. IP67 protection and a compact rectangular housing ensure stable operation in industrial environments.
The Sick GTB2F-E5131 photoelectric sensor combines controlled optical behavior with stable electrical characteristics for industrial use. With 10–30 V DC supply, 800 Hz switching frequency, and durable VISTAL® housing, it integrates easily into standard control systems. Supported by Sick sensor engineering and the GTB series platform, GTB2F-E5131 is suitable for repeatable short-distance sensing applications.
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