... RS232 3.Accuracy:+-(0.2%FS+1)digit 4.CE Universal Digital Process Indicator1.T.C,RTD, mV,mA input2.4 channels ... Current:0-10mA,4-20mAAlarm outputR1A:Relay output(0.8A NO)R1B:Relay output(0.8A NC)Axuliary output:S1: ... , 16 channel indicator, 32 channel indicator, 48 channel indicator, digital indicator, process indicator,temperature indicator KH105-F Economic Universal Digital Process Indicator