KEYENCE GT2-71P Laser Displacement Sensor: An Innovative Choice for Precision Measurement

In the field of industrial automation and quality inspection, high-precision and high stability sensors are the core to ensure production efficiency and product quality. As a global leader in sensor and measurement technology, KEYENCE's GT2 series laser displacement sensors are renowned for their outstanding performance. This article will provide an in-depth analysis of the technical parameters, core advantages, and application scenarios of the GT2-71P model, presenting the comprehensive value of this precision measurement tool to you.

1、 Product Overview

GT2-71P is a high-end compact laser displacement sensor in the KEYENCE GT2 series, designed specifically for measuring small displacements, thicknesses, and vibrations. It adopts the principle of non-contact laser triangulation and combines high-precision algorithms to achieve real-time detection with sub micron resolution, which is widely applicable in fields such as semiconductors, electronic components, metal processing, and automotive manufacturing.

2、 Detailed explanation of core parameters

Explanation of Technical Indicators for Parameter Items

Measurement range ± 2 mm (standard mode) covers the vast majority of precision testing requirements

Linearity ± 0.02% F.S. (full scale) industry-leading high-precision performance

Resolution of 0.01 μ m (digital output) for capturing small deformations, suitable for nanoscale processes

Sampling period of 50 μ s (20 kHz) for high-speed dynamic response, suitable for high-frequency vibration analysis

Laser wavelength of 650 nm (red visible light) for easy alignment and debugging, compatible with most material surfaces

Output interface analog voltage (± 10 V), RS-232C, EtherNet/IP support industrial bus and real-time control system integration

Working distance 30 ± 5 mm (standard lens) Compact design suitable for installation in narrow spaces

Environmental tolerance IP67 protection level, dustproof and waterproof, suitable for harsh industrial environments

Size/Weight 30 × 55 × 71 mm/150 g Lightweight design for easy deployment in multiple locations

3、 Analysis of Technical Advantages

Ultra high speed dynamic response

With a sampling period of 50 μ s and a data refresh rate of 20kHz, the GT2-71P is able to accurately capture rapidly changing displacement signals, such as motor vibration, material deformation, etc., providing real-time feedback for closed-loop control systems.

Intelligent environment compensation

Built in temperature compensation and surface reflectance adaptive algorithm, even in the face of different materials (metal/plastic/glass) or temperature fluctuations (0-45 ℃), measurement stability can still be maintained

Flexible output configuration

Supporting analog, digital, and industrial Ethernet protocols, it can seamlessly integrate with PLC, motion controller, or upper computer software, simplifying the system integration process.

Intuitive operating interface

Through the dedicated software GT2-ADV, users can monitor waveforms in real-time, adjust thresholds, and export data, significantly reducing the threshold for debugging and maintenance.

4、 Typical application scenarios

Semiconductor packaging inspection: Monitor wire bonding height and coplanarity to ensure chip packaging accuracy.

Precision stamping forming: Real time feedback on changes in metal sheet thickness to avoid mold overload.

Vibration analysis: Capture small vibrations of motor bearings or rotating components to prevent equipment failures.

3C electronic assembly: Detect the height of PCB board components and improve the yield of SMT production lines.

5、 Summary of User Value

The GT2-71P redefines the performance boundaries of compact laser sensors with three core advantages: 0.01 μ m resolution, 20kHz sampling rate, and IP67 protection. Its plug and play usability and industrial grade reliability not only lower the technical threshold for precision testing, but also provide key data support for quality traceability and process control in intelligent manufacturing.

In the pursuit of "zero defect" manufacturing today, KEYENCE GT2-71P has become the preferred inspection solution for many industries due to its excellent parameter performance and scene adaptability. Whether in research and development laboratories or automated production lines, this sensor can provide precise and stable performance, helping enterprises achieve a dual breakthrough in quality and efficiency.

Product website:

https://www.3splc.com/GT2-71P_c0_ss