An SPC (Statistical Process Control) unit in air gauging is an advanced system that integrates air gauging measurements with statistical analysis to monitor production quality. It captures real-time dimensional data from air gauges and applies statistical tools to detect trends, deviations, and process shifts. By analyzing this data, the SPC unit helps manufacturers maintain consistent part quality, reduce scrap rates, and make informed decisions about machine adjustments. These units often feature digital displays, data logging, and connectivity for automated reporting. Widely used in precision manufacturing environments such as automotive and aerospace, SPC air gauging units support continuous improvement and ensure compliance with tight dimensional tolerances.