... Line Process Indicator .Accuracy:+-0.2%FS+1 .Relay,SSR,4-20mA,RS485 comm. .48x48,96x96,72x72,96x48mm .CE KH102T ... is Intelligent Automated Production Line Process Indicator with infrared barcode scanner, specially used for production line automation, ... and configured flexibly, up to four stages.Could select relay, SSR drive, SCR as control methodCould select 5VDC, 12VDC, 24VDC ...