Product Model
GTB2S-F1451

Key Features
- 1High Precision Sensing Range: Detects objects from 2 mm to 120 mm with high accuracy.
 - 2Background Suppression: Enhances detection by suppressing background light, reducing false triggers.
 - 3Compact Design: Measuring 7.7 mm x 27.5 mm x 13.5 mm, perfect for space-constrained applications.
 - 4Adjustable Sensing: Easily adjustable via potentiometer for precise settings.
 - 5Robust Connectivity: Equipped with a 3-wire cable and PNP switching output for reliable operation.
 
Technical Specifications
Detailed engineering parameters based on manufacturer documentation
| Parameter | Value | Parameter | Value | 
|---|---|---|---|
| Functional principle | Photoelectric proximity sensor  | Functional principle detail | Background suppression  | 
| Dimensions (W x H x D) | 7.7 mm x 27.5 mm x 13.5 mm  | Housing design (light emission) | Rectangular  | 
| Sensing range max. | 2 mm ... 120 mm  | Sensing range | 25 mm ... 90 mm  | 
| Type of light | Visible red light  | Light source | PinPoint LED  | 
| Light spot size (distance) | Ø 3.5 mm (50 mm)  | Wave length | 640 nm  | 
| Adjustment | Potentiometer, 3 turns  | Supply voltage UB | 10 V DC ... 30 V DC  | 
| Ripple | < 5 V  | Current consumption | 20 mA  | 
| Switching output | PNP  | Switching mode | Dark switching  | 
| Output current Imax. | ≤ 50 mA  | Response time | < 0.6 ms  | 
| Switching frequency | 800 Hz  | Connection type | Cable, 3-wire, 2 m  | 
| Cable material | Plastic, PVC  | Cable diameter | Ø 3 mm  | 
| Circuit protection | A7)#!#C8)#!#D9)  | Weight | 34.2 g  | 
| Housing material | Plastic, ABS  | Optics material | Plastic, PMMA  | 
| Enclosure rating | IP67  | Ambient operating temperature | –25 °C ... +50 °C  | 
| Ambient temperature, storage | –40 °C ... +75 °C  | UL File No. | NRKH.E181493  | 
Specifications may be subject to change without notice
