DEWE-571-PNA: 250 kS/s aggregate DEWE-571-PNA-1MS: MS/s/ch250 kS/s aggregate 10 kS/s 250 kS/s Resolution 16 bit 16 bit Digital TTLlevel 2x DIN (24 1xDOUT (Relais, normal open, 60 ACmax) FunctionsMultiple phasesystems Voltage,current Power,frequency Harmonics,Interharmonics, THD ...