{"id":54665,"date":"2022-07-13T13:28:57","date_gmt":"2022-07-13T18:28:57","guid":{"rendered":"https:\/\/www.bjultrasonic.com\/how-far-should-the-items-be-from-the-source-of-ultrasonic-power\/"},"modified":"2025-01-21T07:13:09","modified_gmt":"2025-01-21T12:13:09","slug":"how-far-should-the-items-be-from-the-source-of-ultrasonic-power","status":"publish","type":"post","link":"https:\/\/www.bjultrasonic.com\/vi\/how-far-should-the-items-be-from-the-source-of-ultrasonic-power\/","title":{"rendered":"Kho\u1ea3ng c\u00e1ch t\u1ed1i \u01b0u t\u1eeb v\u1eadt th\u1ec3 \u0111\u1ebfn ngu\u1ed3n si\u00eau \u00e2m"},"content":{"rendered":"<p>S\u00f3ng si\u00eau \u00e2m \u0111\u00e3 v\u00e0 \u0111ang \u0111\u01b0\u1ee3c \u1ee9ng d\u1ee5ng r\u1ed9ng r\u00e3i trong nhi\u1ec1u l\u0129nh v\u1ef1c, t\u1eeb y t\u1ebf, c\u00f4ng nghi\u1ec7p \u0111\u1ebfn c\u1ea3 trong cu\u1ed9c s\u1ed1ng h\u00e0ng ng\u00e0y. M\u1ed9t trong nh\u1eefng y\u1ebfu t\u1ed1 quan tr\u1ecdng nh\u1ea5t quy\u1ebft \u0111\u1ecbnh hi\u1ec7u qu\u1ea3 c\u1ee7a vi\u1ec7c \u1ee9ng d\u1ee5ng s\u00f3ng si\u00eau \u00e2m ch\u00ednh l\u00e0 kho\u1ea3ng c\u00e1ch gi\u1eefa v\u1eadt th\u1ec3 c\u1ea7n x\u1eed l\u00fd v\u00e0 ngu\u1ed3n ph\u00e1t s\u00f3ng si\u00eau \u00e2m. V\u1eady kho\u1ea3ng c\u00e1ch n\u00e0y n\u00ean l\u00e0 bao nhi\u00eau l\u00e0 h\u1ee3p l\u00fd? B\u00e0i vi\u1ebft n\u00e0y s\u1ebd \u0111i s\u00e2u v\u00e0o ph\u00e2n t\u00edch c\u00e1c y\u1ebfu t\u1ed1 \u1ea3nh h\u01b0\u1edfng \u0111\u1ebfn vi\u1ec7c x\u00e1c \u0111\u1ecbnh kho\u1ea3ng c\u00e1ch t\u1ed1i \u01b0u, \u0111\u1ed3ng th\u1eddi cung c\u1ea5p m\u1ed9t s\u1ed1 h\u01b0\u1edbng d\u1eabn chung cho c\u00e1c \u1ee9ng d\u1ee5ng ph\u1ed5 bi\u1ebfn.<\/p>\n<h3>C\u00e1c y\u1ebfu t\u1ed1 \u1ea3nh h\u01b0\u1edfng \u0111\u1ebfn kho\u1ea3ng c\u00e1ch<\/h3>\n<p>Kho\u1ea3ng c\u00e1ch l\u00fd t\u01b0\u1edfng gi\u1eefa v\u1eadt th\u1ec3 v\u00e0 ngu\u1ed3n ph\u00e1t s\u00f3ng si\u00eau \u00e2m ph\u1ee5 thu\u1ed9c v\u00e0o nhi\u1ec1u y\u1ebfu t\u1ed1, bao g\u1ed3m:<\/p>\n<ul>\n<li><strong>T\u1ea7n s\u1ed1 s\u00f3ng si\u00eau \u00e2m:<\/strong> T\u1ea7n s\u1ed1 c\u00e0ng cao th\u00ec n\u0103ng l\u01b0\u1ee3ng s\u00f3ng si\u00eau \u00e2m b\u1ecb suy gi\u1ea3m c\u00e0ng nhanh trong m\u00f4i tr\u01b0\u1eddng truy\u1ec1n s\u00f3ng. Do \u0111\u00f3, v\u1edbi t\u1ea7n s\u1ed1 cao, kho\u1ea3ng c\u00e1ch c\u1ea7n \u0111\u01b0\u1ee3c gi\u1eef ng\u1eafn h\u01a1n.<\/li>\n<li><strong>C\u00f4ng su\u1ea5t ngu\u1ed3n ph\u00e1t:<\/strong> Ngu\u1ed3n ph\u00e1t c\u00f3 c\u00f4ng su\u1ea5t l\u1edbn h\u01a1n cho ph\u00e9p s\u00f3ng si\u00eau \u00e2m truy\u1ec1n \u0111i xa h\u01a1n m\u00e0 v\u1eabn duy tr\u00ec \u0111\u01b0\u1ee3c c\u01b0\u1eddng \u0111\u1ed9 c\u1ea7n thi\u1ebft.<\/li>\n<li><strong>M\u00f4i tr\u01b0\u1eddng truy\u1ec1n s\u00f3ng:<\/strong> S\u00f3ng si\u00eau \u00e2m lan truy\u1ec1n kh\u00e1c nhau trong c\u00e1c m\u00f4i tr\u01b0\u1eddng kh\u00e1c nhau. V\u00ed d\u1ee5, trong kh\u00f4ng kh\u00ed, s\u00f3ng si\u00eau \u00e2m suy gi\u1ea3m nhanh h\u01a1n so v\u1edbi trong n\u01b0\u1edbc.<\/li>\n<li><strong>\u0110\u1eb7c t\u00ednh c\u1ee7a v\u1eadt th\u1ec3:<\/strong>  K\u00edch th\u01b0\u1edbc, h\u00ecnh d\u1ea1ng, v\u00e0 v\u1eadt li\u1ec7u c\u1ea5u t\u1ea1o c\u1ee7a v\u1eadt th\u1ec3 c\u0169ng \u1ea3nh h\u01b0\u1edfng \u0111\u1ebfn kh\u1ea3 n\u0103ng h\u1ea5p th\u1ee5 v\u00e0 ph\u1ea3n x\u1ea1 s\u00f3ng si\u00eau \u00e2m, t\u1eeb \u0111\u00f3 \u1ea3nh h\u01b0\u1edfng \u0111\u1ebfn kho\u1ea3ng c\u00e1ch t\u1ed1i \u01b0u.<\/li>\n<li><strong>M\u1ee5c \u0111\u00edch s\u1eed d\u1ee5ng:<\/strong>  Kho\u1ea3ng c\u00e1ch s\u1ebd kh\u00e1c nhau t\u00f9y thu\u1ed9c v\u00e0o m\u1ee5c \u0111\u00edch s\u1eed d\u1ee5ng, v\u00ed d\u1ee5 nh\u01b0 l\u00e0m s\u1ea1ch, h\u00e0n, hay ki\u1ec3m tra khuy\u1ebft t\u1eadt.<\/li>\n<\/ul>\n<h3>Kho\u1ea3ng c\u00e1ch t\u1ed1i \u01b0u cho m\u1ed9t s\u1ed1 \u1ee9ng d\u1ee5ng ph\u1ed5 bi\u1ebfn<\/h3>\n<table class=\"table table-striped table-bordered\">\n<thead>\n<tr>\n<th>\u1ee8ng d\u1ee5ng<\/th>\n<th>Kho\u1ea3ng c\u00e1ch \u01b0\u1edbc t\u00ednh<\/th>\n<th>T\u1ea7n s\u1ed1 th\u01b0\u1eddng d\u00f9ng<\/th>\n<th>Ghi ch\u00fa<\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td>L\u00e0m s\u1ea1ch linh ki\u1ec7n \u0111i\u1ec7n t\u1eed<\/td>\n<td>V\u00e0i cm<\/td>\n<td>20-40 kHz<\/td>\n<td>S\u1eed d\u1ee5ng dung d\u1ecbch l\u00e0m s\u1ea1ch<\/td>\n<\/tr>\n<tr>\n<td>H\u00e0n nh\u1ef1a<\/td>\n<td>&lt; 1 mm<\/td>\n<td>20-40 kHz<\/td>\n<td>C\u1ea7n \u00e1p l\u1ef1c ti\u1ebfp x\u00fac<\/td>\n<\/tr>\n<tr>\n<td>Ki\u1ec3m tra khuy\u1ebft t\u1eadt v\u1eadt li\u1ec7u<\/td>\n<td>Thay \u0111\u1ed5i t\u00f9y thu\u1ed9c v\u00e0o v\u1eadt li\u1ec7u v\u00e0 \u0111\u1ed9 s\u00e2u khuy\u1ebft t\u1eadt<\/td>\n<td>1-10 MHz<\/td>\n<td>S\u1eed d\u1ee5ng gel ti\u1ebfp x\u00fac<\/td>\n<\/tr>\n<tr>\n<td>Si\u00eau \u00e2m tr\u1ecb li\u1ec7u<\/td>\n<td>V\u00e0i cm<\/td>\n<td>1-3 MHz<\/td>\n<td>T\u00f9y thu\u1ed9c v\u00e0o lo\u1ea1i b\u1ec7nh v\u00e0 v\u00f9ng \u0111i\u1ec1u tr\u1ecb<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<h3>Ph\u01b0\u01a1ng ph\u00e1p x\u00e1c \u0111\u1ecbnh kho\u1ea3ng c\u00e1ch<\/h3>\n<p>Vi\u1ec7c x\u00e1c \u0111\u1ecbnh kho\u1ea3ng c\u00e1ch t\u1ed1i \u01b0u th\u01b0\u1eddng \u0111\u00f2i h\u1ecfi ph\u1ea3i th\u1ef1c hi\u1ec7n c\u00e1c th\u1eed nghi\u1ec7m th\u1ef1c t\u1ebf. B\u1eaft \u0111\u1ea7u v\u1edbi m\u1ed9t kho\u1ea3ng c\u00e1ch \u01b0\u1edbc t\u00ednh d\u1ef1a tr\u00ean c\u00e1c th\u00f4ng s\u1ed1 k\u1ef9 thu\u1eadt c\u1ee7a thi\u1ebft b\u1ecb v\u00e0 \u0111\u1eb7c t\u00ednh c\u1ee7a v\u1eadt th\u1ec3. Sau \u0111\u00f3, \u0111i\u1ec1u ch\u1ec9nh kho\u1ea3ng c\u00e1ch v\u00e0 quan s\u00e1t k\u1ebft qu\u1ea3 cho \u0111\u1ebfn khi \u0111\u1ea1t \u0111\u01b0\u1ee3c hi\u1ec7u qu\u1ea3 mong mu\u1ed1n.  \u0110\u1ed1i v\u1edbi m\u1ed9t s\u1ed1 \u1ee9ng d\u1ee5ng chuy\u00ean s\u00e2u, vi\u1ec7c m\u00f4 ph\u1ecfng b\u1eb1ng ph\u1ea7n m\u1ec1m chuy\u00ean d\u1ee5ng c\u0169ng c\u00f3 th\u1ec3 \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng \u0111\u1ec3 d\u1ef1 \u0111o\u00e1n kho\u1ea3ng c\u00e1ch t\u1ed1i \u01b0u.<\/p>\n<p>T\u00f3m l\u1ea1i, vi\u1ec7c x\u00e1c \u0111\u1ecbnh kho\u1ea3ng c\u00e1ch gi\u1eefa v\u1eadt th\u1ec3 v\u00e0 ngu\u1ed3n ph\u00e1t s\u00f3ng si\u00eau \u00e2m l\u00e0 m\u1ed9t y\u1ebfu t\u1ed1 quan tr\u1ecdng \u0111\u1ec3 \u0111\u1ea3m b\u1ea3o hi\u1ec7u qu\u1ea3 c\u1ee7a \u1ee9ng d\u1ee5ng. Kh\u00f4ng c\u00f3 m\u1ed9t kho\u1ea3ng c\u00e1ch c\u1ed1 \u0111\u1ecbnh n\u00e0o ph\u00f9 h\u1ee3p cho t\u1ea5t c\u1ea3 c\u00e1c tr\u01b0\u1eddng h\u1ee3p. Vi\u1ec7c l\u1ef1a ch\u1ecdn kho\u1ea3ng c\u00e1ch t\u1ed1i \u01b0u c\u1ea7n d\u1ef1a tr\u00ean s\u1ef1 c\u00e2n nh\u1eafc k\u1ef9 l\u01b0\u1ee1ng c\u00e1c y\u1ebfu t\u1ed1 \u0111\u00e3 n\u00eau tr\u00ean v\u00e0 k\u1ebft h\u1ee3p v\u1edbi kinh nghi\u1ec7m th\u1ef1c t\u1ebf.  Hy v\u1ecdng b\u00e0i vi\u1ebft n\u00e0y \u0111\u00e3 cung c\u1ea5p nh\u1eefng th\u00f4ng tin h\u1eefu \u00edch gi\u00fap b\u1ea1n hi\u1ec3u r\u00f5 h\u01a1n v\u1ec1 v\u1ea5n \u0111\u1ec1 n\u00e0y.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>S\u00f3ng si\u00eau \u00e2m \u0111\u00e3 v\u00e0 \u0111ang \u0111\u01b0\u1ee3c \u1ee9ng d\u1ee5ng r\u1ed9ng r\u00e3i trong nhi\u1ec1u l\u0129nh v\u1ef1c, t\u1eeb y t\u1ebf, c\u00f4ng nghi\u1ec7p \u0111\u1ebfn c\u1ea3 trong cu\u1ed9c s\u1ed1ng h\u00e0ng ng\u00e0y. M\u1ed9t trong nh\u1eefng y\u1ebfu t\u1ed1 quan tr\u1ecdng nh\u1ea5t quy\u1ebft \u0111\u1ecbnh hi\u1ec7u qu\u1ea3 c\u1ee7a vi\u1ec7c \u1ee9ng d\u1ee5ng s\u00f3ng si\u00eau \u00e2m ch\u00ednh l\u00e0 kho\u1ea3ng c\u00e1ch gi\u1eefa v\u1eadt th\u1ec3 c\u1ea7n x\u1eed<\/p>\n","protected":false},"author":1,"featured_media":20135,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[6406],"tags":[],"class_list":["post-54665","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\/54665","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=54665"}],"version-history":[{"count":0,"href":"https:\/\/www.bjultrasonic.com\/vi\/wp-json\/wp\/v2\/posts\/54665\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.bjultrasonic.com\/vi\/wp-json\/wp\/v2\/media\/20135"}],"wp:attachment":[{"href":"https:\/\/www.bjultrasonic.com\/vi\/wp-json\/wp\/v2\/media?parent=54665"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.bjultrasonic.com\/vi\/wp-json\/wp\/v2\/categories?post=54665"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.bjultrasonic.com\/vi\/wp-json\/wp\/v2\/tags?post=54665"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}