The Agilent FID Logic PCA (Part Number: G3431-61820) is a high-quality printed circuit assembly designed for use in Agilent gas chromatographs. This component ensures reliable control and operation of the Flame Ionization Detector (FID), delivering stable signal processing and accurate detection performance. Built to Agilent’s rigorous standards, it provides durability and consistent results, making it essential for maintaining optimal GC system functionality.