Msururu huu wa kipima voltage kinachodhibitiwa na programu hupitisha kipima kipimo cha usalama cha utendakazi kilichoundwa na MCU ya kasi ya juu na saketi kubwa ya dijitali.
RK9914A:AC (0.00~5.00)kV DC(0.00~6.00)kV AC 0~100mA;DC:0~50mA
RK9914B:AC (0.00 ~5.00)kV AC 0~100mA
RK9914C:AC (0.00~5.00)kV DC(0.00~6.00)kV AC 0~50mA;DC:0~25mA