nh\u1ef1a \u0111\u1ecbnh h\u00ecnh<\/a><\/span> c\u00f3 th\u1ec3 \u0111\u01b0\u1ee3c chia th\u00e0nh ba lo\u1ea1i: khay ch\u1ed1ng t\u0129nh \u0111i\u1ec7n, khay d\u1eabn \u0111i\u1ec7n, khay ch\u1ed1ng t\u0129nh \u0111i\u1ec7n b\u1ed9 ph\u1eadn;<\/span><\/p>\nTheo c\u1ea5u t\u1ea1o, c\u00f3 th\u1ec3 chia th\u00e0nh: khay ch\u1ed1ng t\u0129nh \u0111i\u1ec7n x\u1ebfp ch\u1ed3ng, khay ch\u1ed1ng t\u0129nh \u0111i\u1ec7n \u00e1, khay ch\u1ed1ng t\u0129nh \u0111i\u1ec7n c\u00f3 l\u1ed7, khay ch\u1ed1ng t\u0129nh \u0111i\u1ec7n d\u1ea1ng v\u00e1n r\u1ed7ng, khay ch\u1ed1ng t\u0129nh \u0111i\u1ec7n d\u1ea1ng v\u1ec9.<\/span><\/p>\nTheo t\u00ednh ch\u1ea5t v\u1eadt l\u00fd, n\u00f3 c\u00f3 th\u1ec3 \u0111\u01b0\u1ee3c chia th\u00e0nh: ch\u1ed1ng t\u0129nh \u0111i\u1ec7n (\u0111i\u1ec7n tr\u1edf b\u1ec1 m\u1eb7t 10 ^ 6-10 ^ 9) v\u00e0 d\u1eabn \u0111i\u1ec7n (\u0111i\u1ec7n tr\u1edf b\u1ec1 m\u1eb7t 10 ^ 4 10 ^ 6).<\/span><\/p>\n\u00a0\u0110\u1eb7c \u0111i\u1ec3m c\u1ee7a khay v\u1ec9 ch\u1ed1ng t\u0129nh \u0111i\u1ec7n:<\/strong><\/em><\/span><\/p>\n1. Khay v\u1ec9 ch\u1ed1ng t\u0129nh \u0111i\u1ec7n \u0111\u01b0\u1ee3c l\u00e0m b\u1eb1ng v\u1ec9 v\u1eadt li\u1ec7u \u0111\u1eb7c bi\u1ec7t v\u00e0 nh\u1ef1a PP Gi\u00e1 tr\u1ecb \u0111i\u1ec7n tr\u1edf c\u1ee7a b\u1ec1 m\u1eb7t v\u1eadt li\u1ec7u d\u01b0\u1edbi 10 ohm \u0111\u1ebfn 6 ho\u1eb7c 10 \u0111\u1ebfn 6 \u0111\u1ebfn 10 \u0111\u1ebfn 11 ohm.<\/span><\/p>\n2. Khay h\u00fat ch\u1ed1ng t\u0129nh \u0111i\u1ec7n c\u00f3 kh\u1ea3 n\u0103ng ch\u1ed1ng va \u0111\u1eadp v\u00e0 ch\u1ed1ng \u0103n m\u00f2n h\u00f3a h\u1ecdc m\u1ea1nh, v\u00e0 s\u1ebd kh\u00f4ng l\u00e0m thay \u0111\u1ed5i t\u00ednh n\u0103ng ch\u1ed1ng t\u0129nh \u0111i\u1ec7n c\u1ee7a c\u1ed1c h\u00fat ch\u1ed1ng t\u0129nh \u0111i\u1ec7n do t\u00e1c \u0111\u1ed9ng c\u1ee7a m\u00f4i tr\u01b0\u1eddng, th\u1eddi gian v\u00e0 nhi\u1ec7t \u0111\u1ed9.<\/span><\/p>\n3. Khay v\u1ec9 ch\u1ed1ng t\u0129nh \u0111i\u1ec7n c\u00f3 th\u1ec3 gi\u1ea3i ph\u00f3ng hi\u1ec7u qu\u1ea3 \u0111i\u1ec7n t\u00edch t\u00edch t\u1ee5 tr\u00ean b\u1ec1 m\u1eb7t c\u1ee7a v\u1eadt th\u1ec3 m\u00e0 kh\u00f4ng t\u1ea1o ra s\u1ef1 t\u00edch t\u1ee5 \u0111i\u1ec7n t\u00edch v\u00e0 ch\u00eanh l\u1ec7ch ti\u1ec1m n\u0103ng cao; n\u00f3 c\u00f3 th\u1ec3 l\u00e0m gi\u1ea3m \u0111\u00e1ng k\u1ec3 t\u1ef7 l\u1ec7 s\u1ea3n ph\u1ea9m \u0111i\u1ec7n t\u1eed b\u1ecb l\u1ed7i trong qu\u00e1 tr\u00ecnh s\u1ea3n xu\u1ea5t, kh\u00f4ng ch\u1ec9 gi\u1ea3m chi ph\u00ed, m\u00e0 c\u00f2n n\u00e2ng cao ch\u1ea5t l\u01b0\u1ee3ng s\u1ea3n ph\u1ea9m v\u00e0 l\u1ee3i nhu\u1eadn.<\/span><\/p>\n