?????

?????????? ???????
?? ???? ???????? ???? SAE J1495-2018 ??????? ?????? ?????????? ???????? ????????????? ?????? ???, ?? ???????? ?? ?????? ????? ?????? ?????? ??????? ??????? ???? ?? ???-????? ????? (????? 2.5% ?? ??) ???????? ??????? ?????? ??, ?????? ???????????? ????? ?????? ???? ????????? ????????? ????? ????, ?? ????????? ????????????? ??????? ????????? ???? ?????? ????? ?????????? ??????? ?????????? 12 ??? ????????? ???? ??????? ??????????? ??????? ???, ????? ??????? ???? ??????? ??? ??? ???????? ?????? ????? IEC60254 ??? ??????? 400 ???? ??????? ???? ???? ????????, ?? ???? ???????? ????????? ???????? ?????????? ?????? ???, ??? ?????????????? ???? ??????? ????? ??? ???? ?????? ???? ????????? ???? ??????????? ????? ??????????