FIELD: methods and devices for diagnostics of wiring of system in solid-state electronic measuring apparatus. SUBSTANCE: electronic measuring device includes diagnostics unit having microprocessor, memory circuit, logic circuit for automatically periodically performing preliminarily set testing operations of measuring device and for registration of any results exceeding certain threshold values; indicators for displaying messages related to errors detected after testing of measuring device; indicator for displaying diagnostic messages related to any errors detected after diagnostic testing of system. EFFECT: enlarged functional possibilities. 11 cl, 25 dwg
