... input, auto-tunning functionPower supply:90~260VACMTB-48 Temperature Controller Specfications: ModelMTB-48Size48mm*48mmPower Supply90~260VAC 50/60HZInputThermocouple( ... K,J,R,S,B,E,N,T,U,L,PLII,WRe25/WRe26 ... IDSampling period0.5SControl accuracy/- 1 CelciusMeasuring accuracy0.5%F.S +/- 1 CelciusDisplayDual four digits display(upper+lower)Alarm ...