... impedance Open-circuit, short-circuit, load calibration function Built-in comparator, 10 selectors sorting and counting functionRS232C, HANDLER interfaces Introduction MCH2818 ... .999°θ(RAD)-3.14159-3.14159%-999.999%-999.999%Comparator and interfaceComparator10 selectors, 9 qualified, 1 unqualified. The other one ...