Digital meter Universal input 0.3%F.S Data & peak value holding function Up to 4 ... (AC 0-5V,4-20mA,0-10V,0-100mV,Rt,Pt100,Tc,etc.) Features:1) Signal input: AC 0-5A, 4 ... -20mA, 0-10V, 0-100mV, Rt, Pt100, Tc, etc. input combination of AC and DC. eg, AV600 ... . when input 0-5k RTD can act as electrical ruler.3) Output: up to 4 alarm output, UPPER/LOW or betweens ...