... , and every channelcan define its own input specification. It can either work independently ... the instrument can work stably under interference.Technical SpecificationInput type:Thermocouple: K, S, R, E, J, ... of 600~1800°c If B type thermocouple apply to measure temperature at ... signal terminal ≥2300VDC;Between SSR voltage output and thermocouple input ≥600VDCPower supply : 100~240VAC, -15%, +10% ...