Indicator Universal input:including mV, mA, V, A,TC, RTD, PT100; 2 relay outputs. Applicate to ... selectable:UPPER/LOW or intevals,etc..4) Isolate analoge current output:0-10mA or 4-20mA/20-4mA,with range set ... .Main product:Panel Meter Counter Weighing indicator Temperature/Humidity Controller Current/Voltage/Power meter,various sensor indicator Frequency / Tacho / Batch / Length ...