{"id":49780,"date":"2023-04-21T15:41:17","date_gmt":"2023-04-21T20:41:17","guid":{"rendered":"https:\/\/www.bjultrasonic.com\/how-to-connect-ultrasonic-transducer\/"},"modified":"2025-01-21T07:14:58","modified_gmt":"2025-01-21T12:14:58","slug":"how-to-connect-ultrasonic-transducer","status":"publish","type":"post","link":"https:\/\/www.bjultrasonic.com\/vi\/how-to-connect-ultrasonic-transducer\/","title":{"rendered":"H\u01b0\u1edbng d\u1eabn k\u1ebft n\u1ed1i \u0111\u1ea7u d\u00f2 si\u00eau \u00e2m chi ti\u1ebft"},"content":{"rendered":"<p>Vi\u1ec7c k\u1ebft n\u1ed1i \u0111\u1ea7u d\u00f2 si\u00eau \u00e2m \u0111\u00fang c\u00e1ch l\u00e0 y\u1ebfu t\u1ed1 then ch\u1ed1t \u0111\u1ec3 \u0111\u1ea3m b\u1ea3o hi\u1ec7u su\u1ea5t v\u00e0 \u0111\u1ed9 ch\u00ednh x\u00e1c c\u1ee7a h\u1ec7 th\u1ed1ng si\u00eau \u00e2m. B\u00e0i vi\u1ebft n\u00e0y s\u1ebd h\u01b0\u1edbng d\u1eabn chi ti\u1ebft c\u00e1ch k\u1ebft n\u1ed1i \u0111\u1ea7u d\u00f2 si\u00eau \u00e2m, t\u1eeb vi\u1ec7c l\u1ef1a ch\u1ecdn d\u00e2y d\u1eabn \u0111\u1ebfn c\u00e1c k\u1ef9 thu\u1eadt h\u00e0n v\u00e0 ki\u1ec3m tra k\u1ebft n\u1ed1i.<\/p>\n<h3>L\u1ef1a ch\u1ecdn d\u00e2y d\u1eabn ph\u00f9 h\u1ee3p<\/h3>\n<p>D\u00e2y d\u1eabn \u0111\u00f3ng vai tr\u00f2 quan tr\u1ecdng trong vi\u1ec7c truy\u1ec1n t\u00edn hi\u1ec7u t\u1eeb \u0111\u1ea7u d\u00f2 \u0111\u1ebfn thi\u1ebft b\u1ecb x\u1eed l\u00fd.  Vi\u1ec7c l\u1ef1a ch\u1ecdn d\u00e2y d\u1eabn ph\u00f9 h\u1ee3p ph\u1ee5 thu\u1ed9c v\u00e0o t\u1ea7n s\u1ed1 ho\u1ea1t \u0111\u1ed9ng c\u1ee7a \u0111\u1ea7u d\u00f2 v\u00e0 kho\u1ea3ng c\u00e1ch truy\u1ec1n t\u00edn hi\u1ec7u. D\u00e2y d\u1eabn c\u00f3 tr\u1edf kh\u00e1ng ph\u00f9 h\u1ee3p s\u1ebd gi\u1ea3m thi\u1ec3u s\u1ef1 ph\u1ea3n x\u1ea1 t\u00edn hi\u1ec7u v\u00e0 \u0111\u1ea3m b\u1ea3o t\u00edn hi\u1ec7u \u0111\u01b0\u1ee3c truy\u1ec1n t\u1ea3i m\u1ed9t c\u00e1ch nguy\u00ean v\u1eb9n.<\/p>\n<table class=\"table table-striped table-bordered\">\n<thead>\n<tr>\n<th>Lo\u1ea1i d\u00e2y d\u1eabn<\/th>\n<th>Tr\u1edf kh\u00e1ng (\u03a9)<\/th>\n<th>T\u1ea7n s\u1ed1 ho\u1ea1t \u0111\u1ed9ng<\/th>\n<th>\u1ee8ng d\u1ee5ng<\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td>Coaxial RG-58<\/td>\n<td>50<\/td>\n<td>&lt; 10 MHz<\/td>\n<td>Kho\u1ea3ng c\u00e1ch ng\u1eafn<\/td>\n<\/tr>\n<tr>\n<td>Coaxial RG-174<\/td>\n<td>50<\/td>\n<td>&lt; 50 MHz<\/td>\n<td>Kho\u1ea3ng c\u00e1ch trung b\u00ecnh<\/td>\n<\/tr>\n<tr>\n<td>Coaxial RG-213<\/td>\n<td>50<\/td>\n<td>&lt; 100 MHz<\/td>\n<td>Kho\u1ea3ng c\u00e1ch d\u00e0i<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<h3>K\u1ef9 thu\u1eadt h\u00e0n \u0111\u1ea7u d\u00f2<\/h3>\n<p>Vi\u1ec7c h\u00e0n \u0111\u1ea7u d\u00f2 y\u00eau c\u1ea7u s\u1ef1 t\u1ec9 m\u1ec9 v\u00e0 ch\u00ednh x\u00e1c. S\u1eed d\u1ee5ng m\u00f2i h\u00e0n ch\u1ea5t l\u01b0\u1ee3ng cao v\u00e0 nhi\u1ec7t \u0111\u1ed9 h\u00e0n ph\u00f9 h\u1ee3p \u0111\u1ec3 tr\u00e1nh l\u00e0m h\u1ecfng \u0111\u1ea7u d\u00f2.  L\u00e0m s\u1ea1ch b\u1ec1 m\u1eb7t ti\u1ebfp x\u00fac tr\u01b0\u1edbc khi h\u00e0n \u0111\u1ec3 \u0111\u1ea3m b\u1ea3o k\u1ebft n\u1ed1i t\u1ed1t.  Tr\u00e1nh s\u1eed d\u1ee5ng qu\u00e1 nhi\u1ec1u m\u00f2i h\u00e0n, v\u00ec \u0111i\u1ec1u n\u00e0y c\u00f3 th\u1ec3 g\u00e2y nhi\u1ec5u t\u00edn hi\u1ec7u.<\/p>\n<h3>Ki\u1ec3m tra k\u1ebft n\u1ed1i<\/h3>\n<p>Sau khi h\u00e0n, c\u1ea7n ki\u1ec3m tra k\u1ebft n\u1ed1i \u0111\u1ec3 \u0111\u1ea3m b\u1ea3o t\u00edn hi\u1ec7u \u0111\u01b0\u1ee3c truy\u1ec1n t\u1ea3i \u0111\u00fang c\u00e1ch. C\u00f3 th\u1ec3 s\u1eed d\u1ee5ng \u0111\u1ed3ng h\u1ed3 v\u1ea1n n\u0103ng \u0111\u1ec3 ki\u1ec3m tra t\u00ednh li\u00ean t\u1ee5c c\u1ee7a d\u00e2y d\u1eabn v\u00e0 \u0111\u1ea7u d\u00f2.  Ngo\u00e0i ra, ki\u1ec3m tra b\u1eb1ng thi\u1ebft b\u1ecb chuy\u00ean d\u1ee5ng nh\u01b0 m\u00e1y ph\u00e2n t\u00edch ph\u1ed5 ho\u1eb7c m\u00e1y t\u1ea1o s\u00f3ng c\u0169ng r\u1ea5t h\u1eefu \u00edch \u0111\u1ec3 \u0111\u00e1nh gi\u00e1 ch\u1ea5t l\u01b0\u1ee3ng k\u1ebft n\u1ed1i.<\/p>\n<h3>K\u1ebft n\u1ed1i v\u1edbi thi\u1ebft b\u1ecb x\u1eed l\u00fd<\/h3>\n<p>Sau khi ki\u1ec3m tra k\u1ebft n\u1ed1i \u0111\u1ea7u d\u00f2, b\u01b0\u1edbc ti\u1ebfp theo l\u00e0 k\u1ebft n\u1ed1i v\u1edbi thi\u1ebft b\u1ecb x\u1eed l\u00fd t\u00edn hi\u1ec7u. \u0110\u1ea3m b\u1ea3o k\u1ebft n\u1ed1i \u0111\u00fang c\u1ef1c v\u00e0 ch\u1eafc ch\u1eafn.  Tham kh\u1ea3o h\u01b0\u1edbng d\u1eabn s\u1eed d\u1ee5ng c\u1ee7a thi\u1ebft b\u1ecb x\u1eed l\u00fd \u0111\u1ec3 bi\u1ebft th\u00eam chi ti\u1ebft v\u1ec1 c\u00e1ch k\u1ebft n\u1ed1i v\u00e0 c\u1ea5u h\u00ecnh.<\/p>\n<h3>Bi\u1ec7n ph\u00e1p b\u1ea3o v\u1ec7<\/h3>\n<p>\u0110\u1ec3 k\u00e9o d\u00e0i tu\u1ed5i th\u1ecd c\u1ee7a \u0111\u1ea7u d\u00f2 v\u00e0 \u0111\u1ea3m b\u1ea3o ho\u1ea1t \u0111\u1ed9ng \u1ed5n \u0111\u1ecbnh, c\u1ea7n th\u1ef1c hi\u1ec7n c\u00e1c bi\u1ec7n ph\u00e1p b\u1ea3o v\u1ec7 sau:<\/p>\n<ul>\n<li>Tr\u00e1nh va \u0111\u1eadp m\u1ea1nh v\u00e0o \u0111\u1ea7u d\u00f2.<\/li>\n<li>Kh\u00f4ng \u0111\u1ec3 \u0111\u1ea7u d\u00f2 ti\u1ebfp x\u00fac v\u1edbi h\u00f3a ch\u1ea5t \u0103n m\u00f2n.<\/li>\n<li>B\u1ea3o qu\u1ea3n \u0111\u1ea7u d\u00f2 \u1edf n\u01a1i kh\u00f4 r\u00e1o, tho\u00e1ng m\u00e1t.<\/li>\n<\/ul>\n<p>K\u1ebft n\u1ed1i \u0111\u1ea7u d\u00f2 si\u00eau \u00e2m \u0111\u00fang c\u00e1ch l\u00e0 \u0111i\u1ec1u c\u1ea7n thi\u1ebft \u0111\u1ec3 h\u1ec7 th\u1ed1ng si\u00eau \u00e2m ho\u1ea1t \u0111\u1ed9ng hi\u1ec7u qu\u1ea3.  B\u1eb1ng c\u00e1ch l\u00e0m theo c\u00e1c b\u01b0\u1edbc h\u01b0\u1edbng d\u1eabn tr\u00ean v\u00e0 ch\u00fa \u00fd \u0111\u1ebfn c\u00e1c chi ti\u1ebft nh\u1ecf, b\u1ea1n c\u00f3 th\u1ec3 \u0111\u1ea3m b\u1ea3o k\u1ebft n\u1ed1i \u1ed5n \u0111\u1ecbnh v\u00e0 ch\u00ednh x\u00e1c, t\u1eeb \u0111\u00f3 t\u1ed1i \u01b0u h\u00f3a hi\u1ec7u su\u1ea5t c\u1ee7a h\u1ec7 th\u1ed1ng si\u00eau \u00e2m.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Vi\u1ec7c k\u1ebft n\u1ed1i \u0111\u1ea7u d\u00f2 si\u00eau \u00e2m \u0111\u00fang c\u00e1ch l\u00e0 y\u1ebfu t\u1ed1 then ch\u1ed1t \u0111\u1ec3 \u0111\u1ea3m b\u1ea3o hi\u1ec7u su\u1ea5t v\u00e0 \u0111\u1ed9 ch\u00ednh x\u00e1c c\u1ee7a h\u1ec7 th\u1ed1ng si\u00eau \u00e2m. B\u00e0i vi\u1ebft n\u00e0y s\u1ebd h\u01b0\u1edbng d\u1eabn chi ti\u1ebft c\u00e1ch k\u1ebft n\u1ed1i \u0111\u1ea7u d\u00f2 si\u00eau \u00e2m, t\u1eeb vi\u1ec7c l\u1ef1a ch\u1ecdn d\u00e2y d\u1eabn \u0111\u1ebfn c\u00e1c k\u1ef9 thu\u1eadt h\u00e0n v\u00e0<\/p>\n","protected":false},"author":1,"featured_media":19411,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[6406],"tags":[],"class_list":["post-49780","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-blog","prodpage-classic"],"aioseo_notices":[],"_links":{"self":[{"href":"https:\/\/www.bjultrasonic.com\/vi\/wp-json\/wp\/v2\/posts\/49780","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.bjultrasonic.com\/vi\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.bjultrasonic.com\/vi\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.bjultrasonic.com\/vi\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/www.bjultrasonic.com\/vi\/wp-json\/wp\/v2\/comments?post=49780"}],"version-history":[{"count":0,"href":"https:\/\/www.bjultrasonic.com\/vi\/wp-json\/wp\/v2\/posts\/49780\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.bjultrasonic.com\/vi\/wp-json\/wp\/v2\/media\/19411"}],"wp:attachment":[{"href":"https:\/\/www.bjultrasonic.com\/vi\/wp-json\/wp\/v2\/media?parent=49780"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.bjultrasonic.com\/vi\/wp-json\/wp\/v2\/categories?post=49780"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.bjultrasonic.com\/vi\/wp-json\/wp\/v2\/tags?post=49780"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}