Implementation of Indigo Solution Concentration Detection System Based on LED and AS7263
LI Ping
JIAN Xingqiu
REN Jinghao
ZHANG Yu
WEI Qiang
Abstract：A portable indigo solution concentration detection system is designed with LED and multi-channel,low-power AS7263 near-infrared sensor.The detection system mainly includes optical module,data acquisition module,microprocessor module,power supply module,SD card storage module and serial screen display module.The prediction model between the absorbance and the concentration is established by the partial least squares method to obtain the concentration of the solution to be tested,and compared with the standard concentration and the detection results of the existing testing instrument.The test results show that the system is accurate and the detection recovery rate is 90.2％～106.3％,which is better than the conventional detection method,and can be used for detecting the concentration of food indigo solution.
Keywords：LEDAS7263portableconcentration detectionpartial least squares method
Publication Date：2024-11-25
Online Publishing Date：2025-08-15(First online date of this platform, not the publication date of the document)
Pages：4( 8-11 )