... performance, universal use, to be aimed to measure and control accurately the processes in various industry applications for temperature, humidity ... -OFF controlCould select relay, SSR drive, SCR as main control outputCould select 5VDC, 12VDC, 24VDC as auxiliary power supply ... non-contact output K1/K2: SCR crossing zero trigger output(control thyristor) G:SSR driving voltage output (to driving SSR) 10 ...