Product Overview

The GTB2F-P1131 from SICK’s G2 series is a slim, background-suppressing photoelectric sensor engineered for pinpoint detection of tiny objects. Its compact rectangular housing (14 × 24 × 3.5 mm) and fast-response PinPoint LED light make it ideal for tightly packed automation environments.
SICK

Key Technical Specifications

• Detection Characteristics

  • Principle: Background suppression photoelectric

  • Detection Range: 1 mm to 30 mm (up to 35 mm for high-reflectivity targets)

  • Minimal Detectable Object: 0.1 mm at 5 mm distanceSICK

  • Light Source: PinPoint LED (660 nm, Ø 4 mm spot at 30 mm) with ~100,000 h service life at 25 °CSICK

• Electrical & Switching

  • Supply Voltage: 10–30 V DC, ripple < 5 Vpp

  • Current Consumption: ~20 mA

  • Output: PNP, light-switching, up to 50 mA load

  • Response Time: < 0.625 ms; Switching Frequency up to 800 HzSICK

• Mechanical & Environmental

  • Housing: Plastic (VISTAL®); Optical: MABS plastic; Weight: ~22 g

  • Protection: IP67; Shock/Vibration: 100 g / 6 ms; 10 g / 10–2000 Hz

  • Operating Temp: –20 to +50 °C; Storage: –40 to +70 °CSICK

• Connectivity & Diagnostics

  • Connection: 3-wire, 2 m PVC cable (Ø 2.3 mm)

  • Protections: Reverse-polarity, interference suppression, output overload/short-circuit

  • Repeatability: 0.1 mm; Hysteresis: < 2 mm

  • Compliance: CE, UKCA, cRUus certification; global RoHS level

  • Classification: eClass 27270904; ETIM EC002719; UNSPSC 39121528SICK

Engineering Insights

• High Precision in Minimal Space
  Ultra-fine detection and a 0.1 mm repeatability make it perfect for micro-part tracking in tight assembly lines or pick-and-place applications.

• Fast & Accurate Switching
  With up to 800 Hz switching and sub-millisecond response, it matches the needs of fast motion and high-throughput systems.

• Robust Enough for Rugged Systems
  IP67 protection, high mechanical tolerance, and durable materials ensure reliable performance even in dusty, vibrational, or washdown-prone environments.

• Plug-and-Play Reliability
  Simple 3-wire cabling with robust protective features minimizes installation time and ensures safe operation.

• Ultra-High Reliability
  With long LED lifespan and solid build, this sensor is engineered for long-term, low-maintenance operation.

Suggested Product Page Description

SICK GTB2F-P1131 Miniature Background-Suppressing Photoelectric Sensor (12–35 mm)
Excellently engineered for precision in compact spaces, this sleek 14 × 24 × 3.5 mm sensor uses a focused PinPoint LED and background suppression to reliably detect objects as small as 0.1 mm. With lightning-fast reaction (< 0.625 ms) and high switching rates (800 Hz), it ensures accurate part detection in high-speed automation. Housed in rugged IP67-rated plastic and certified for global markets, it’s a dependable solution for advanced industrial sensing needs.

Key Features

• Compact background suppression sensor for sub-millimeter targets

• Fast switching (800 Hz), minimal lag for dynamic applications

• Durable IP67 housing, high shock/vibration resistance

• Built-in protections for easy integration

• Long-term reliability with high component lifespan