{"id":50220,"date":"2023-04-21T15:14:14","date_gmt":"2023-04-21T20:14:14","guid":{"rendered":"https:\/\/www.bjultrasonic.com\/how-to-check-ultrasonic-transducer\/"},"modified":"2025-01-21T07:13:54","modified_gmt":"2025-01-21T12:13:54","slug":"how-to-check-ultrasonic-transducer","status":"publish","type":"post","link":"https:\/\/www.bjultrasonic.com\/vi\/how-to-check-ultrasonic-transducer\/","title":{"rendered":"Ki\u1ec3m tra \u0111\u1ea7u d\u00f2 si\u00eau \u00e2m: H\u01b0\u1edbng d\u1eabn chi ti\u1ebft"},"content":{"rendered":"<p>Vi\u1ec7c ki\u1ec3m tra \u0111\u1ea7u d\u00f2 si\u00eau \u00e2m l\u00e0 m\u1ed9t b\u01b0\u1edbc quan tr\u1ecdng \u0111\u1ec3 \u0111\u1ea3m b\u1ea3o hi\u1ec7u qu\u1ea3 v\u00e0 \u0111\u1ed9 ch\u00ednh x\u00e1c trong c\u00e1c \u1ee9ng d\u1ee5ng s\u1eed d\u1ee5ng s\u00f3ng si\u00eau \u00e2m, t\u1eeb ki\u1ec3m tra v\u1eadt li\u1ec7u \u0111\u1ebfn y t\u1ebf.  M\u1ed9t \u0111\u1ea7u d\u00f2 ho\u1ea1t \u0111\u1ed9ng kh\u00f4ng \u0111\u00fang c\u00e1ch c\u00f3 th\u1ec3 d\u1eabn \u0111\u1ebfn k\u1ebft qu\u1ea3 sai l\u1ec7ch, g\u00e2y l\u00e3ng ph\u00ed th\u1eddi gian v\u00e0 t\u00e0i nguy\u00ean, th\u1eadm ch\u00ed g\u00e2y h\u1eadu qu\u1ea3 nghi\u00eam tr\u1ecdng trong m\u1ed9t s\u1ed1 tr\u01b0\u1eddng h\u1ee3p. B\u00e0i vi\u1ebft n\u00e0y s\u1ebd h\u01b0\u1edbng d\u1eabn chi ti\u1ebft c\u00e1c ph\u01b0\u01a1ng ph\u00e1p ki\u1ec3m tra \u0111\u1ea7u d\u00f2 si\u00eau \u00e2m \u0111\u1ec3 \u0111\u1ea3m b\u1ea3o ch\u00fang ho\u1ea1t \u0111\u1ed9ng \u1edf tr\u1ea1ng th\u00e1i t\u1ed1t nh\u1ea5t.<\/p>\n<h3>Ki\u1ec3m tra b\u1eb1ng m\u1eaft<\/h3>\n<p>B\u01b0\u1edbc \u0111\u1ea7u ti\u00ean v\u00e0 \u0111\u01a1n gi\u1ea3n nh\u1ea5t l\u00e0 ki\u1ec3m tra tr\u1ef1c quan \u0111\u1ea7u d\u00f2.  Quan s\u00e1t k\u1ef9 b\u1ec1 m\u1eb7t \u0111\u1ea7u d\u00f2 xem c\u00f3 v\u1ebft n\u1ee9t, v\u1ee1, m\u00f2n ho\u1eb7c bi\u1ebfn d\u1ea1ng n\u00e0o kh\u00f4ng.  Ki\u1ec3m tra ph\u1ea7n v\u1ecf v\u00e0 d\u00e2y c\u00e1p xem c\u00f3 b\u1ecb h\u1ecfng h\u00f3c, \u0111\u1ee9t g\u1ee9t hay kh\u00f4ng.  B\u1ea5t k\u1ef3 d\u1ea5u hi\u1ec7u h\u01b0 h\u1ecfng n\u00e0o c\u0169ng c\u00f3 th\u1ec3 \u1ea3nh h\u01b0\u1edfng \u0111\u1ebfn hi\u1ec7u su\u1ea5t c\u1ee7a \u0111\u1ea7u d\u00f2.<\/p>\n<h3>Ki\u1ec3m tra tr\u1edf kh\u00e1ng<\/h3>\n<p>S\u1eed d\u1ee5ng \u0111\u1ed3ng h\u1ed3 v\u1ea1n n\u0103ng \u0111\u1ec3 \u0111o tr\u1edf kh\u00e1ng c\u1ee7a \u0111\u1ea7u d\u00f2.  So s\u00e1nh gi\u00e1 tr\u1ecb \u0111o \u0111\u01b0\u1ee3c v\u1edbi th\u00f4ng s\u1ed1 k\u1ef9 thu\u1eadt c\u1ee7a nh\u00e0 s\u1ea3n xu\u1ea5t.  S\u1ef1 kh\u00e1c bi\u1ec7t \u0111\u00e1ng k\u1ec3 c\u00f3 th\u1ec3 cho th\u1ea5y cu\u1ed9n d\u00e2y b\u00ean trong \u0111\u1ea7u d\u00f2 b\u1ecb h\u1ecfng.<\/p>\n<h3>Ki\u1ec3m tra b\u1eb1ng m\u00e1y ph\u00e1t xung-nh\u1eadn<\/h3>\n<p>\u0110\u00e2y l\u00e0 ph\u01b0\u01a1ng ph\u00e1p ki\u1ec3m tra hi\u1ec7u qu\u1ea3 v\u00e0 ch\u00ednh x\u00e1c h\u01a1n. M\u00e1y ph\u00e1t xung-nh\u1eadn s\u1ebd g\u1eedi m\u1ed9t xung si\u00eau \u00e2m ng\u1eafn \u0111\u1ebfn \u0111\u1ea7u d\u00f2 v\u00e0 ph\u00e2n t\u00edch t\u00edn hi\u1ec7u ph\u1ea3n h\u1ed3i.  Ph\u01b0\u01a1ng ph\u00e1p n\u00e0y gi\u00fap ki\u1ec3m tra c\u00e1c th\u00f4ng s\u1ed1 quan tr\u1ecdng nh\u01b0 t\u1ea7n s\u1ed1 c\u1ed9ng h\u01b0\u1edfng, \u0111\u1ed9 nh\u1ea1y v\u00e0 b\u0103ng th\u00f4ng c\u1ee7a \u0111\u1ea7u d\u00f2.<\/p>\n<table class=\"table table-striped table-bordered\">\n<thead>\n<tr>\n<th>Th\u00f4ng s\u1ed1<\/th>\n<th>\u00dd ngh\u0129a<\/th>\n<th>C\u00e1ch ki\u1ec3m tra<\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td>T\u1ea7n s\u1ed1 c\u1ed9ng h\u01b0\u1edfng<\/td>\n<td>T\u1ea7n s\u1ed1 m\u00e0 \u0111\u1ea7u d\u00f2 ho\u1ea1t \u0111\u1ed9ng hi\u1ec7u qu\u1ea3 nh\u1ea5t<\/td>\n<td>Quan s\u00e1t \u0111\u1ec9nh t\u00edn hi\u1ec7u ph\u1ea3n h\u1ed3i<\/td>\n<\/tr>\n<tr>\n<td>\u0110\u1ed9 nh\u1ea1y<\/td>\n<td>Kh\u1ea3 n\u0103ng ph\u00e1t hi\u1ec7n khuy\u1ebft t\u1eadt nh\u1ecf<\/td>\n<td>So s\u00e1nh bi\u00ean \u0111\u1ed9 t\u00edn hi\u1ec7u ph\u1ea3n h\u1ed3i<\/td>\n<\/tr>\n<tr>\n<td>B\u0103ng th\u00f4ng<\/td>\n<td>D\u1ea3i t\u1ea7n s\u1ed1 m\u00e0 \u0111\u1ea7u d\u00f2 ho\u1ea1t \u0111\u1ed9ng t\u1ed1t<\/td>\n<td>\u0110o \u0111\u1ed9 r\u1ed9ng c\u1ee7a \u0111\u1ec9nh t\u00edn hi\u1ec7u ph\u1ea3n h\u1ed3i<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<h3>Ki\u1ec3m tra trong n\u01b0\u1edbc<\/h3>\n<p>Ng\u00e2m \u0111\u1ea7u d\u00f2 trong n\u01b0\u1edbc v\u00e0 quan s\u00e1t c\u00e1c bong b\u00f3ng kh\u00ed ph\u00e1t ra.  S\u1ef1 xu\u1ea5t hi\u1ec7n c\u1ee7a bong b\u00f3ng kh\u00ed t\u1eeb b\u1ec1 m\u1eb7t \u0111\u1ea7u d\u00f2 c\u00f3 th\u1ec3 ch\u1ec9 ra s\u1ef1 r\u00f2 r\u1ec9 ho\u1eb7c h\u01b0 h\u1ecfng l\u1edbp b\u1ea3o v\u1ec7.  Ph\u01b0\u01a1ng ph\u00e1p n\u00e0y \u0111\u1eb7c bi\u1ec7t h\u1eefu \u00edch cho c\u00e1c \u0111\u1ea7u d\u00f2 d\u00f9ng trong ki\u1ec3m tra ng\u00e2m n\u01b0\u1edbc.<\/p>\n<h3>Ki\u1ec3m tra th\u1ef1c t\u1ebf tr\u00ean v\u1eadt m\u1eabu<\/h3>\n<p>Sau khi th\u1ef1c hi\u1ec7n c\u00e1c b\u01b0\u1edbc ki\u1ec3m tra c\u01a1 b\u1ea3n, n\u00ean ki\u1ec3m tra \u0111\u1ea7u d\u00f2 tr\u00ean v\u1eadt m\u1eabu chu\u1ea9n.  \u0110i\u1ec1u n\u00e0y gi\u00fap \u0111\u00e1nh gi\u00e1 hi\u1ec7u su\u1ea5t th\u1ef1c t\u1ebf c\u1ee7a \u0111\u1ea7u d\u00f2 trong \u0111i\u1ec1u ki\u1ec7n l\u00e0m vi\u1ec7c c\u1ee5 th\u1ec3. V\u00ed d\u1ee5, n\u1ebfu c\u1ea7n ki\u1ec3m tra v\u1eadt li\u1ec7u kim lo\u1ea1i, n\u00ean s\u1eed d\u1ee5ng kh\u1ed1i chu\u1ea9n kim lo\u1ea1i c\u00f3 khuy\u1ebft t\u1eadt \u0111\u00e3 bi\u1ebft \u0111\u1ec3 ki\u1ec3m tra \u0111\u1ed9 ch\u00ednh x\u00e1c c\u1ee7a \u0111\u1ea7u d\u00f2.  N\u1ebfu m\u1ed9t \u1ee9ng d\u1ee5ng \u0111\u00f2i h\u1ecfi \u0111\u1ed9 ch\u00ednh x\u00e1c cao v\u00e0 li\u00ean quan \u0111\u1ebfn thi\u1ebft b\u1ecb si\u00eau \u00e2m t\u1eeb m\u1ed9t nh\u00e0 s\u1ea3n xu\u1ea5t c\u1ee5 th\u1ec3 nh\u01b0 Beijing Ultrasonic, vi\u1ec7c s\u1eed d\u1ee5ng thi\u1ebft b\u1ecb v\u00e0 quy tr\u00ecnh \u0111\u01b0\u1ee3c khuy\u1ebfn ngh\u1ecb c\u1ee7a h\u1ecd cho vi\u1ec7c ki\u1ec3m tra l\u00e0 \u0111i\u1ec1u c\u1ea7n thi\u1ebft.<\/p>\n<p>Vi\u1ec7c ki\u1ec3m tra \u0111\u1ea7u d\u00f2 si\u00eau \u00e2m th\u01b0\u1eddng xuy\u00ean v\u00e0 \u0111\u00fang c\u00e1ch l\u00e0 r\u1ea5t quan tr\u1ecdng \u0111\u1ec3 \u0111\u1ea3m b\u1ea3o \u0111\u1ed9 tin c\u1eady c\u1ee7a k\u1ebft qu\u1ea3 \u0111o.  B\u1eb1ng c\u00e1ch \u00e1p d\u1ee5ng c\u00e1c ph\u01b0\u01a1ng ph\u00e1p ki\u1ec3m tra \u0111\u01b0\u1ee3c n\u00eau tr\u00ean, ng\u01b0\u1eddi d\u00f9ng c\u00f3 th\u1ec3 ph\u00e1t hi\u1ec7n s\u1edbm c\u00e1c v\u1ea5n \u0111\u1ec1 ti\u1ec1m \u1ea9n v\u00e0 tr\u00e1nh \u0111\u01b0\u1ee3c nh\u1eefng sai s\u00f3t kh\u00f4ng \u0111\u00e1ng c\u00f3 trong qu\u00e1 tr\u00ecnh l\u00e0m vi\u1ec7c.  \u0110\u1ea7u t\u01b0 th\u1eddi gian v\u00e0 c\u00f4ng s\u1ee9c cho vi\u1ec7c ki\u1ec3m tra \u0111\u1ea7u d\u00f2 s\u1ebd mang l\u1ea1i hi\u1ec7u qu\u1ea3 l\u00e2u d\u00e0i v\u00e0 ti\u1ebft ki\u1ec7m chi ph\u00ed trong qu\u00e1 tr\u00ecnh v\u1eadn h\u00e0nh.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Vi\u1ec7c ki\u1ec3m tra \u0111\u1ea7u d\u00f2 si\u00eau \u00e2m l\u00e0 m\u1ed9t b\u01b0\u1edbc quan tr\u1ecdng \u0111\u1ec3 \u0111\u1ea3m b\u1ea3o hi\u1ec7u qu\u1ea3 v\u00e0 \u0111\u1ed9 ch\u00ednh x\u00e1c trong c\u00e1c \u1ee9ng d\u1ee5ng s\u1eed d\u1ee5ng s\u00f3ng si\u00eau \u00e2m, t\u1eeb ki\u1ec3m tra v\u1eadt li\u1ec7u \u0111\u1ebfn y t\u1ebf. M\u1ed9t \u0111\u1ea7u d\u00f2 ho\u1ea1t \u0111\u1ed9ng kh\u00f4ng \u0111\u00fang c\u00e1ch c\u00f3 th\u1ec3 d\u1eabn \u0111\u1ebfn k\u1ebft qu\u1ea3 sai l\u1ec7ch, g\u00e2y<\/p>\n","protected":false},"author":1,"featured_media":19410,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[6406],"tags":[],"class_list":["post-50220","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\/50220","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=50220"}],"version-history":[{"count":0,"href":"https:\/\/www.bjultrasonic.com\/vi\/wp-json\/wp\/v2\/posts\/50220\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.bjultrasonic.com\/vi\/wp-json\/wp\/v2\/media\/19410"}],"wp:attachment":[{"href":"https:\/\/www.bjultrasonic.com\/vi\/wp-json\/wp\/v2\/media?parent=50220"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.bjultrasonic.com\/vi\/wp-json\/wp\/v2\/categories?post=50220"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.bjultrasonic.com\/vi\/wp-json\/wp\/v2\/tags?post=50220"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}