{"id":10570,"date":"2023-07-10T13:14:31","date_gmt":"2023-07-10T13:14:31","guid":{"rendered":"https:\/\/www.lifescienceart.com\/?p=10570"},"modified":"2023-07-10T13:14:31","modified_gmt":"2023-07-10T13:14:31","slug":"how-to-test-outlets-for-power-and-voltage-safely-and-accurately","status":"publish","type":"post","link":"https:\/\/www.lifescienceart.com\/vi\/science\/electrical-engineering\/how-to-test-outlets-for-power-and-voltage-safely-and-accurately\/","title":{"rendered":"C\u00e1ch ki\u1ec3m tra \u1ed5 c\u1eafm \u0111i\u1ec7n v\u00e0 \u0111i\u1ec7n \u00e1p: H\u01b0\u1edbng d\u1eabn t\u1eebng b\u01b0\u1edbc \u0111\u1ec3 \u0111\u1ea3m b\u1ea3o an to\u00e0n"},"content":{"rendered":"

C\u00e1ch ki\u1ec3m tra \u1ed5 c\u1eafm \u0111i\u1ec7n v\u00e0 \u0111i\u1ec7n \u00e1p<\/h2>\n\n

C\u00e1c c\u00e2n nh\u1eafc v\u1ec1 an to\u00e0n<\/h2>\n\n

Tr\u01b0\u1edbc khi l\u00e0m vi\u1ec7c tr\u00ean b\u1ea5t k\u1ef3 h\u1ec7 th\u1ed1ng \u0111i\u1ec7n n\u00e0o, \u0111i\u1ec1u quan tr\u1ecdng l\u00e0 ph\u1ea3i \u0111\u1ea3m b\u1ea3o an to\u00e0n cho b\u1ea1n. C\u00e1c c\u1ea7u dao t\u1ef1 \u0111\u1ed9ng d\u00e1n nh\u00e3n sai ho\u1eb7c c\u00e1c m\u1ea1ch \u0111i\u1ec7n \u0111\u01b0\u1ee3c k\u1ebft n\u1ed1i v\u1edbi nhau c\u00f3 th\u1ec3 g\u00e2y ra nguy c\u01a1 b\u1ecb \u0111i\u1ec7n gi\u1eadt. N\u1ebfu kh\u00f4ng ch\u1eafc ch\u1eafn, h\u00e3y t\u1eaft c\u1ea7u dao ch\u00ednh. Tuy nhi\u00ean, vi\u1ec7c n\u00e0y s\u1ebd c\u1eaft ngu\u1ed3n \u0111i\u1ec7n cho to\u00e0n b\u1ed9 ng\u00f4i nh\u00e0. \u0110\u1ec3 an t\u00e2m, h\u00e3y c\u00e2n nh\u1eafc g\u1ecdi th\u1ee3 \u0111i\u1ec7n c\u00f3 tr\u00ecnh \u0111\u1ed9 n\u1ebfu b\u1ea1n c\u00f3 b\u1ea5t k\u1ef3 m\u1ed1i lo ng\u1ea1i n\u00e0o v\u1ec1 vi\u1ec7c s\u1eed d\u1ee5ng \u0111i\u1ec7n gia d\u1ee5ng.<\/p>\n\n

Ki\u1ec3m tra \u1ed5 c\u1eafm \u0111i\u1ec7n b\u1eb1ng \u0111\u00e8n \u0111ang ho\u1ea1t \u0111\u1ed9ng<\/h2>\n\n

Ph\u01b0\u01a1ng ph\u00e1p \u0111\u01a1n gi\u1ea3n n\u00e0y bao g\u1ed3m vi\u1ec7c c\u1eafm m\u1ed9t b\u00f3ng \u0111\u00e8n \u0111ang ho\u1ea1t \u0111\u1ed9ng v\u00e0o d\u00e2y n\u1ed1i d\u00e0i v\u00e0 \u0111i theo n\u00f3 trong nh\u00e0 \u0111\u1ebfn b\u1ea3ng \u0111i\u1ec7n. Khi b\u1ea1n b\u1eadt v\u00e0 t\u1eaft c\u1ea7u dao, \u0111\u00e8n s\u1ebd cho bi\u1ebft c\u1ea7u dao \u0111i\u1ec1u khi\u1ec3n \u1ed5 c\u1eafm khi \u0111\u00e8n t\u1eaft. K\u1ef9 thu\u1eadt n\u00e0y r\u1ea5t l\u00fd t\u01b0\u1edfng \u0111\u1ec3 l\u1eadp b\u1ea3n \u0111\u1ed3 c\u00e1c c\u1ea7u dao t\u1ef1 \u0111\u1ed9ng v\u00e0 x\u00e1c \u0111\u1ecbnh xem \u1ed5 c\u1eafm c\u00f3 \u0111\u01b0\u1ee3c c\u1ea5p ngu\u1ed3n hay kh\u00f4ng.<\/p>\n\n

S\u1eed d\u1ee5ng m\u00e1y ki\u1ec3m tra \u0111i\u1ec7n \u00e1p<\/h2>\n\n

M\u00e1y ki\u1ec3m tra \u0111i\u1ec7n \u00e1p l\u00e0 thi\u1ebft b\u1ecb gi\u00e1 r\u1ebb v\u00e0 d\u1ec5 s\u1eed d\u1ee5ng, c\u00f3 th\u1ec3 ph\u00e1t hi\u1ec7n d\u00f2ng \u0111i\u1ec7n m\u00e0 kh\u00f4ng c\u1ea7n ch\u1ea1m v\u00e0o d\u00e2y tr\u1ea7n. \u0110\u1ec3 s\u1eed d\u1ee5ng m\u00e1y ki\u1ec3m tra \u0111i\u1ec7n \u00e1p:<\/p>\n\n

    \n
  1. L\u1eafp pin m\u1edbi v\u00e0o m\u00e1y ki\u1ec3m tra, \u0111\u1ea3m b\u1ea3o \u0111\u00fang c\u1ef1c.<\/li>\n
  2. B\u1eadt m\u00e1y ki\u1ec3m tra v\u00e0 ki\u1ec3m tra n\u00f3 tr\u00ean \u1ed5 c\u1eafm c\u00f3 \u0111i\u1ec7n \u0111\u00e3 bi\u1ebft.<\/li>\n
  3. Di chu\u1ed9t qua \u0111\u1ea7u m\u00e1y ki\u1ec3m tra c\u00e1ch d\u00e2y ho\u1eb7c \u1ed5 c\u1eafm kho\u1ea3ng 1 inch \u0111\u1ec3 ph\u00e1t hi\u1ec7n d\u00f2ng \u0111i\u1ec7n.<\/li>\n<\/ol>\n\n

    M\u00e1y ki\u1ec3m tra \u0111i\u1ec7n \u00e1p ch\u1ec9 ra s\u1ef1 hi\u1ec7n di\u1ec7n c\u1ee7a d\u00f2ng \u0111i\u1ec7n nh\u01b0ng kh\u00f4ng cung c\u1ea5p ph\u00e9p \u0111o \u0111i\u1ec7n \u00e1p. Ch\u00fang c\u0169ng c\u00f3 th\u1ec3 t\u1ea1o ra k\u1ebft qu\u1ea3 d\u01b0\u01a1ng t\u00ednh gi\u1ea3 ho\u1eb7c k\u1ebft qu\u1ea3 \u00e2m t\u00ednh gi\u1ea3, v\u00ec v\u1eady lu\u00f4n ki\u1ec3m tra m\u00e1y ki\u1ec3m tra tr\u01b0\u1edbc khi s\u1eed d\u1ee5ng.<\/p>\n\n

    Ki\u1ec3m tra m\u00e1y ki\u1ec3m tra \u0111i\u1ec7n \u00e1p<\/h2>\n\n

    \u0110\u1ec3 \u0111\u1ea3m b\u1ea3o \u0111\u1ed9 ch\u00ednh x\u00e1c c\u1ee7a m\u00e1y ki\u1ec3m tra \u0111i\u1ec7n \u00e1p, h\u00e3y ki\u1ec3m tra n\u00f3 tr\u00ean m\u1ed9t m\u1ea1ch \u0111i\u1ec7n \u0111ang ho\u1ea1t \u0111\u1ed9ng \u0111\u00e3 bi\u1ebft:<\/p>\n\n

      \n
    1. X\u00e1c \u0111\u1ecbnh \u1ed5 c\u1eafm \u0111ang ho\u1ea1t \u0111\u1ed9ng c\u1ea5p ngu\u1ed3n cho thi\u1ebft b\u1ecb.<\/li>\n
    2. C\u1eafm \u0111\u1ea7u m\u00e1y ki\u1ec3m tra \u0111i\u1ec7n \u00e1p v\u00e0o c\u1ea3 hai khe c\u1eafm c\u1ee7a \u1ed5 c\u1eafm.<\/li>\n
    3. \u0110\u00e8n nh\u1ea5p nh\u00e1y ho\u1eb7c ti\u1ebfng b\u00edp cho bi\u1ebft s\u1ef1 hi\u1ec7n di\u1ec7n c\u1ee7a d\u00f2ng \u0111i\u1ec7n.<\/li>\n<\/ol>\n\n

      Ki\u1ec3m tra t\u1ea5t c\u1ea3 c\u00e1c d\u00e2y b\u00ean trong \u1ed5 c\u1eafm sau khi m\u1edf \u1ed5 c\u1eafm \u0111\u1ec3 l\u00e0m vi\u1ec7c, ngay c\u1ea3 khi m\u00e1y ki\u1ec3m tra ban \u0111\u1ea7u kh\u00f4ng ph\u00e1t hi\u1ec7n ra d\u00f2ng \u0111i\u1ec7n.<\/p>\n\n

      Ki\u1ec3m tra d\u00e2y \u0111i\u1ec7n<\/h2>\n\n

      M\u00e1y ki\u1ec3m tra \u0111i\u1ec7n \u00e1p c\u0169ng c\u00f3 th\u1ec3 \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng \u0111\u1ec3 ki\u1ec3m tra d\u00e2y \u0111i\u1ec7n \u0111\u1ec3 c\u1ea5p ngu\u1ed3n. Gi\u1eef \u0111\u1ea7u m\u00e1y ki\u1ec3m tra v\u00e0o c\u1ea1nh d\u00e2y v\u00e0 ch\u1ea1m xung quanh d\u00e2y. M\u00e1y ki\u1ec3m tra s\u1ebd ch\u1ec9 ra d\u00f2ng \u0111i\u1ec7n khi n\u00f3 ti\u1ebfp x\u00fac v\u1edbi d\u00e2y d\u01b0\u01a1ng (n\u00f3ng).<\/p>\n\n

      C\u00e1c ph\u01b0\u01a1ng ph\u00e1p ki\u1ec3m tra n\u00e2ng cao<\/h2>\n\n

      V\u00f4n k\u1ebf v\u1ea1n n\u0103ng<\/h3>\n\n

      V\u00f4n k\u1ebf v\u1ea1n n\u0103ng cung c\u1ea5p th\u00f4ng tin chi ti\u1ebft h\u01a1n so v\u1edbi m\u00e1y ki\u1ec3m tra \u0111i\u1ec7n \u00e1p, nh\u01b0ng ch\u00fang c\u00f3 th\u1ec3 ph\u1ee9c t\u1ea1p h\u01a1n khi s\u1eed d\u1ee5ng. Ch\u00fang c\u1ea7n thi\u1ebft \u0111\u1ec3 \u0111o m\u1ee9c \u0111i\u1ec7n \u00e1p v\u00e0 ki\u1ec3m tra \u0111i\u1ec7n \u00e1p th\u1ea5p h\u01a1n.<\/p>\n\n

      Thi\u1ebft b\u1ecb UWB<\/h3>\n\n

      C\u00e1c thi\u1ebft b\u1ecb radar b\u0103ng si\u00eau r\u1ed9ng (UWB) c\u00f3 th\u1ec3 ph\u00e1t hi\u1ec7n c\u00e1c d\u00e2y c\u00e1p \u0111i\u1ec7n \u0111ang ho\u1ea1t \u0111\u1ed9ng sau v\u00e1ch th\u1ea1ch cao m\u00e0 kh\u00f4ng c\u1ea7n ph\u1ea3i th\u00e1o ra. Tuy nhi\u00ean, ch\u00fang \u0111\u1eaft ti\u1ec1n v\u00e0 kh\u00f3 v\u1eadn h\u00e0nh, khi\u1ebfn ch\u00fang tr\u1edf n\u00ean kh\u00f4ng th\u1ef1c t\u1ebf \u0111\u1ed1i v\u1edbi h\u1ea7u h\u1ebft ch\u1ee7 nh\u00e0.<\/p>\n\n

      M\u1eb9o b\u1ed5 sung<\/h2>\n\n
        \n
      • D\u00e2y \u0111i\u1ec7n \u0111\u01b0\u1ee3c m\u00e3 h\u00f3a m\u00e0u \u0111\u1ec3 ch\u1ec9 ra ch\u1ee9c n\u0103ng c\u1ee7a ch\u00fang. L\u1edbp c\u00e1ch \u0111i\u1ec7n m\u00e0u \u0111en th\u01b0\u1eddng ch\u1ec9 ra d\u00e2y d\u1eabn \u0111i\u1ec7n, nh\u01b0ng c\u00e1c m\u00e0u kh\u00e1c c\u0169ng c\u00f3 th\u1ec3 mang \u0111i\u1ec7n \u00e1p. Lu\u00f4n ki\u1ec3m tra t\u1ea5t c\u1ea3 c\u00e1c d\u00e2y b\u00ean trong \u1ed5 c\u1eafm ho\u1eb7c h\u1ed9p \u0111i\u1ec7n.<\/li>\n
      • N\u1ebfu b\u1ea1n g\u1eb7p b\u1ea5t k\u1ef3 v\u1ea5n \u0111\u1ec1 n\u00e0o ho\u1eb7c kh\u00f4ng ch\u1eafc ch\u1eafn v\u1ec1 b\u1ea5t k\u1ef3 c\u00f4ng vi\u1ec7c \u0111i\u1ec7n n\u00e0o, \u0111\u1eebng ng\u1ea7n ng\u1ea1i li\u00ean h\u1ec7 v\u1edbi th\u1ee3 \u0111i\u1ec7n c\u00f3 tr\u00ecnh \u0111\u1ed9. L\u00e0m vi\u1ec7c v\u1edbi \u0111i\u1ec7n r\u1ea5t nguy hi\u1ec3m v\u00e0 \u01b0u ti\u00ean s\u1ef1 an to\u00e0n l\u00e0 \u0111i\u1ec1u lu\u00f4n t\u1ed1t nh\u1ea5t.<\/li>\n<\/ul>","protected":false},"excerpt":{"rendered":"

        C\u00e1ch ki\u1ec3m tra \u1ed5 c\u1eafm \u0111i\u1ec7n v\u00e0 \u0111i\u1ec7n \u00e1p C\u00e1c c\u00e2n nh\u1eafc v\u1ec1 an to\u00e0n Tr\u01b0\u1edbc khi l\u00e0m vi\u1ec7c tr\u00ean b\u1ea5t k\u1ef3 h\u1ec7 th\u1ed1ng \u0111i\u1ec7n n\u00e0o, \u0111i\u1ec1u quan tr\u1ecdng l\u00e0…<\/p>\n","protected":false},"author":6,"featured_media":0,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[10160],"tags":[8840,10013,14665,14664,10980],"class_list":["post-10570","post","type-post","status-publish","format-standard","hentry","category-electrical-engineering","tag-electrical-safety","tag-electrical-troubleshooting","tag-voltage-testing","tag-outlet-testing","tag-diy-electrical"],"_links":{"self":[{"href":"https:\/\/www.lifescienceart.com\/vi\/wp-json\/wp\/v2\/posts\/10570","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.lifescienceart.com\/vi\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.lifescienceart.com\/vi\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.lifescienceart.com\/vi\/wp-json\/wp\/v2\/users\/6"}],"replies":[{"embeddable":true,"href":"https:\/\/www.lifescienceart.com\/vi\/wp-json\/wp\/v2\/comments?post=10570"}],"version-history":[{"count":1,"href":"https:\/\/www.lifescienceart.com\/vi\/wp-json\/wp\/v2\/posts\/10570\/revisions"}],"predecessor-version":[{"id":10571,"href":"https:\/\/www.lifescienceart.com\/vi\/wp-json\/wp\/v2\/posts\/10570\/revisions\/10571"}],"wp:attachment":[{"href":"https:\/\/www.lifescienceart.com\/vi\/wp-json\/wp\/v2\/media?parent=10570"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.lifescienceart.com\/vi\/wp-json\/wp\/v2\/categories?post=10570"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.lifescienceart.com\/vi\/wp-json\/wp\/v2\/tags?post=10570"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}