{"id":42975,"date":"2024-11-21T15:30:54","date_gmt":"2024-11-21T20:30:54","guid":{"rendered":"https:\/\/www.bjultrasonic.com\/choosing-the-right-tool-for-the-job-selecting-ultrasonic-sound-level-meters-for-specific-applications\/"},"modified":"2025-01-21T07:07:01","modified_gmt":"2025-01-21T12:07:01","slug":"choosing-the-right-tool-for-the-job-selecting-ultrasonic-sound-level-meters-for-specific-applications","status":"publish","type":"post","link":"https:\/\/www.bjultrasonic.com\/vi\/choosing-the-right-tool-for-the-job-selecting-ultrasonic-sound-level-meters-for-specific-applications\/","title":{"rendered":"Ch\u1ecdn m\u00e1y \u0111o \u00e2m si\u00eau \u00e2m ph\u00f9 h\u1ee3p v\u1edbi \u1ee9ng d\u1ee5ng"},"content":{"rendered":"

Vi\u1ec7c l\u1ef1a ch\u1ecdn \u0111\u00fang c\u00f4ng c\u1ee5 cho c\u00f4ng vi\u1ec7c lu\u00f4n l\u00e0 y\u1ebfu t\u1ed1 then ch\u1ed1t \u0111\u1ec3 \u0111\u1ea1t \u0111\u01b0\u1ee3c hi\u1ec7u qu\u1ea3 t\u1ed1i \u01b0u, v\u00e0 vi\u1ec7c ch\u1ecdn m\u00e1y \u0111o m\u1ee9c \u00e2m thanh si\u00eau \u00e2m c\u0169ng kh\u00f4ng ngo\u1ea1i l\u1ec7. M\u1ed9t m\u00e1y \u0111o kh\u00f4ng ph\u00f9 h\u1ee3p c\u00f3 th\u1ec3 d\u1eabn \u0111\u1ebfn d\u1eef li\u1ec7u kh\u00f4ng ch\u00ednh x\u00e1c, g\u00e2y l\u00e3ng ph\u00ed th\u1eddi gian v\u00e0 ngu\u1ed3n l\u1ef1c. B\u00e0i vi\u1ebft n\u00e0y s\u1ebd h\u01b0\u1edbng d\u1eabn b\u1ea1n c\u00e1ch l\u1ef1a ch\u1ecdn m\u00e1y \u0111o m\u1ee9c \u00e2m thanh si\u00eau \u00e2m ph\u00f9 h\u1ee3p cho c\u00e1c \u1ee9ng d\u1ee5ng c\u1ee5 th\u1ec3.<\/p>\n

T\u1ea7n s\u1ed1 l\u00e0m vi\u1ec7c<\/h3>\n

T\u1ea7n s\u1ed1 l\u00e0m vi\u1ec7c l\u00e0 m\u1ed9t trong nh\u1eefng y\u1ebfu t\u1ed1 quan tr\u1ecdng nh\u1ea5t c\u1ea7n xem x\u00e9t. M\u1ed7i m\u00e1y \u0111o m\u1ee9c \u00e2m thanh si\u00eau \u00e2m \u0111\u01b0\u1ee3c thi\u1ebft k\u1ebf \u0111\u1ec3 ho\u1ea1t \u0111\u1ed9ng trong m\u1ed9t d\u1ea3i t\u1ea7n s\u1ed1 c\u1ee5 th\u1ec3. Vi\u1ec7c ch\u1ecdn m\u00e1y \u0111o c\u00f3 d\u1ea3i t\u1ea7n s\u1ed1 ph\u00f9 h\u1ee3p v\u1edbi \u1ee9ng d\u1ee5ng c\u1ee7a b\u1ea1n l\u00e0 \u0111i\u1ec1u c\u1ea7n thi\u1ebft \u0111\u1ec3 \u0111\u1ea3m b\u1ea3o \u0111\u1ed9 ch\u00ednh x\u00e1c c\u1ee7a ph\u00e9p \u0111o. V\u00ed d\u1ee5, \u0111\u1ec3 ph\u00e1t hi\u1ec7n r\u00f2 r\u1ec9 kh\u00ed n\u00e9n, b\u1ea1n c\u1ea7n m\u1ed9t m\u00e1y \u0111o c\u00f3 d\u1ea3i t\u1ea7n s\u1ed1 cao h\u01a1n so v\u1edbi vi\u1ec7c theo d\u00f5i ho\u1ea1t \u0111\u1ed9ng c\u1ee7a lo\u00e0i d\u01a1i.<\/p>\n

\u0110\u1ed9 nh\u1ea1y v\u00e0 d\u1ea3i \u0111\u1ed9ng<\/h3>\n

\u0110\u1ed9 nh\u1ea1y c\u1ee7a m\u00e1y \u0111o quy\u1ebft \u0111\u1ecbnh kh\u1ea3 n\u0103ng ph\u00e1t hi\u1ec7n \u00e2m thanh \u1edf m\u1ee9c c\u01b0\u1eddng \u0111\u1ed9 th\u1ea5p. D\u1ea3i \u0111\u1ed9ng l\u00e0 kho\u1ea3ng c\u00e1ch gi\u1eefa m\u1ee9c \u00e2m thanh nh\u1ecf nh\u1ea5t v\u00e0 l\u1edbn nh\u1ea5t m\u00e0 m\u00e1y \u0111o c\u00f3 th\u1ec3 \u0111o \u0111\u01b0\u1ee3c. \u1ee8ng d\u1ee5ng c\u1ee7a b\u1ea1n y\u00eau c\u1ea7u \u0111\u1ed9 nh\u1ea1y v\u00e0 d\u1ea3i \u0111\u1ed9ng nh\u01b0 th\u1ebf n\u00e0o? \u0110\u1ed1i v\u1edbi c\u00e1c \u1ee9ng d\u1ee5ng \u0111\u00f2i h\u1ecfi \u0111\u1ed9 ch\u00ednh x\u00e1c cao \u1edf m\u1ee9c \u00e2m thanh th\u1ea5p, b\u1ea1n c\u1ea7n m\u1ed9t m\u00e1y \u0111o c\u00f3 \u0111\u1ed9 nh\u1ea1y cao v\u00e0 d\u1ea3i \u0111\u1ed9ng r\u1ed9ng.<\/p>\n

Ch\u1ee9c n\u0103ng v\u00e0 t\u00ednh n\u0103ng<\/h3>\n

C\u00e1c m\u00e1y \u0111o m\u1ee9c \u00e2m thanh si\u00eau \u00e2m hi\u1ec7n \u0111\u1ea1i \u0111\u01b0\u1ee3c trang b\u1ecb nhi\u1ec1u ch\u1ee9c n\u0103ng v\u00e0 t\u00ednh n\u0103ng kh\u00e1c nhau. M\u1ed9t s\u1ed1 t\u00ednh n\u0103ng h\u1eefu \u00edch bao g\u1ed3m kh\u1ea3 n\u0103ng ghi d\u1eef li\u1ec7u, ph\u00e2n t\u00edch ph\u1ed5, k\u1ebft n\u1ed1i Bluetooth v\u00e0 ph\u1ea7n m\u1ec1m ph\u00e2n t\u00edch chuy\u00ean d\u1ee5ng. H\u00e3y x\u00e1c \u0111\u1ecbnh nh\u1eefng t\u00ednh n\u0103ng n\u00e0o l\u00e0 c\u1ea7n thi\u1ebft cho \u1ee9ng d\u1ee5ng c\u1ee7a b\u1ea1n v\u00e0 l\u1ef1a ch\u1ecdn m\u00e1y \u0111o c\u00f3 c\u00e1c t\u00ednh n\u0103ng \u0111\u00f3.<\/p>\n

M\u00f4i tr\u01b0\u1eddng l\u00e0m vi\u1ec7c<\/h3>\n

M\u00f4i tr\u01b0\u1eddng l\u00e0m vi\u1ec7c c\u0169ng \u1ea3nh h\u01b0\u1edfng \u0111\u1ebfn vi\u1ec7c l\u1ef1a ch\u1ecdn m\u00e1y \u0111o. N\u1ebfu b\u1ea1n c\u1ea7n s\u1eed d\u1ee5ng m\u00e1y \u0111o trong m\u00f4i tr\u01b0\u1eddng kh\u1eafc nghi\u1ec7t, h\u00e3y ch\u1ecdn m\u00e1y \u0111o c\u00f3 \u0111\u1ed9 b\u1ec1n cao, ch\u1ed1ng n\u01b0\u1edbc v\u00e0 ch\u1ed1ng b\u1ee5i. Nhi\u1ec7t \u0111\u1ed9 v\u00e0 \u0111\u1ed9 \u1ea9m c\u0169ng l\u00e0 nh\u1eefng y\u1ebfu t\u1ed1 c\u1ea7n xem x\u00e9t.<\/p>\n

Ng\u00e2n s\u00e1ch<\/h3>\n

Gi\u00e1 c\u1ee7a m\u00e1y \u0111o m\u1ee9c \u00e2m thanh si\u00eau \u00e2m c\u00f3 th\u1ec3 dao \u0111\u1ed9ng r\u1ea5t l\u1edbn. H\u00e3y x\u00e1c \u0111\u1ecbnh ng\u00e2n s\u00e1ch c\u1ee7a b\u1ea1n tr\u01b0\u1edbc khi b\u1eaft \u0111\u1ea7u t\u00ecm ki\u1ebfm v\u00e0 l\u1ef1a ch\u1ecdn m\u00e1y \u0111o ph\u00f9 h\u1ee3p v\u1edbi ng\u00e2n s\u00e1ch \u0111\u00f3. Tuy nhi\u00ean, \u0111\u1eebng hy sinh ch\u1ea5t l\u01b0\u1ee3ng v\u00e0 t\u00ednh n\u0103ng c\u1ea7n thi\u1ebft ch\u1ec9 v\u00ec gi\u00e1 r\u1ebb.<\/p>\n

So s\u00e1nh c\u00e1c lo\u1ea1i m\u00e1y \u0111o<\/h3>\n\n\n\n\n\n\n\n\n\n
\u0110\u1eb7c \u0111i\u1ec3m<\/th>\nM\u00e1y \u0111o lo\u1ea1i A<\/th>\nM\u00e1y \u0111o lo\u1ea1i B<\/th>\nM\u00e1y \u0111o lo\u1ea1i C<\/th>\n<\/tr>\n<\/thead>\n
D\u1ea3i t\u1ea7n s\u1ed1<\/td>\n20kHz – 100kHz<\/td>\n40kHz – 200kHz<\/td>\n100kHz – 300kHz<\/td>\n<\/tr>\n
\u0110\u1ed9 nh\u1ea1y<\/td>\nCao<\/td>\nTrung b\u00ecnh<\/td>\nTh\u1ea5p<\/td>\n<\/tr>\n
D\u1ea3i \u0111\u1ed9ng<\/td>\nR\u1ed9ng<\/td>\nTrung b\u00ecnh<\/td>\nH\u1eb9p<\/td>\n<\/tr>\n
Gi\u00e1<\/td>\nCao<\/td>\nTrung b\u00ecnh<\/td>\nTh\u1ea5p<\/td>\n<\/tr>\n
\u1ee8ng d\u1ee5ng<\/td>\nPh\u00e1t hi\u1ec7n r\u00f2 r\u1ec9, ki\u1ec3m tra ch\u1ea5t l\u01b0\u1ee3ng<\/td>\nTheo d\u00f5i ho\u1ea1t \u0111\u1ed9ng \u0111\u1ed9ng v\u1eadt, ki\u1ec3m tra thi\u1ebft b\u1ecb<\/td>\nNghi\u00ean c\u1ee9u khoa h\u1ecdc, \u1ee9ng d\u1ee5ng chuy\u00ean bi\u1ec7t<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n

Vi\u1ec7c l\u1ef1a ch\u1ecdn m\u00e1y \u0111o m\u1ee9c \u00e2m thanh si\u00eau \u00e2m ph\u00f9 h\u1ee3p cho \u1ee9ng d\u1ee5ng c\u1ee5 th\u1ec3 l\u00e0 r\u1ea5t quan tr\u1ecdng \u0111\u1ec3 \u0111\u1ea3m b\u1ea3o \u0111\u1ed9 ch\u00ednh x\u00e1c v\u00e0 hi\u1ec7u qu\u1ea3 c\u1ee7a ph\u00e9p \u0111o. B\u1eb1ng c\u00e1ch xem x\u00e9t k\u1ef9 l\u01b0\u1ee1ng c\u00e1c y\u1ebfu t\u1ed1 nh\u01b0 t\u1ea7n s\u1ed1 l\u00e0m vi\u1ec7c, \u0111\u1ed9 nh\u1ea1y, d\u1ea3i \u0111\u1ed9ng, ch\u1ee9c n\u0103ng, m\u00f4i tr\u01b0\u1eddng l\u00e0m vi\u1ec7c v\u00e0 ng\u00e2n s\u00e1ch, b\u1ea1n c\u00f3 th\u1ec3 ch\u1ecdn \u0111\u01b0\u1ee3c m\u00e1y \u0111o ph\u00f9 h\u1ee3p nh\u1ea5t v\u1edbi nhu c\u1ea7u c\u1ee7a m\u00ecnh. Hy v\u1ecdng b\u00e0i vi\u1ebft n\u00e0y \u0111\u00e3 cung c\u1ea5p cho b\u1ea1n nh\u1eefng th\u00f4ng tin h\u1eefu \u00edch \u0111\u1ec3 \u0111\u01b0a ra quy\u1ebft \u0111\u1ecbnh \u0111\u00fang \u0111\u1eafn.<\/p>\n","protected":false},"excerpt":{"rendered":"

Vi\u1ec7c l\u1ef1a ch\u1ecdn \u0111\u00fang c\u00f4ng c\u1ee5 cho c\u00f4ng vi\u1ec7c lu\u00f4n l\u00e0 y\u1ebfu t\u1ed1 then ch\u1ed1t \u0111\u1ec3 \u0111\u1ea1t \u0111\u01b0\u1ee3c hi\u1ec7u qu\u1ea3 t\u1ed1i \u01b0u, v\u00e0 vi\u1ec7c ch\u1ecdn m\u00e1y \u0111o m\u1ee9c \u00e2m thanh si\u00eau \u00e2m c\u0169ng kh\u00f4ng ngo\u1ea1i l\u1ec7. M\u1ed9t m\u00e1y \u0111o kh\u00f4ng ph\u00f9 h\u1ee3p c\u00f3 th\u1ec3 d\u1eabn \u0111\u1ebfn d\u1eef li\u1ec7u kh\u00f4ng ch\u00ednh x\u00e1c, g\u00e2y l\u00e3ng ph\u00ed th\u1eddi<\/p>\n","protected":false},"author":1,"featured_media":42068,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[6406],"tags":[],"class_list":["post-42975","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\/42975","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=42975"}],"version-history":[{"count":0,"href":"https:\/\/www.bjultrasonic.com\/vi\/wp-json\/wp\/v2\/posts\/42975\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.bjultrasonic.com\/vi\/wp-json\/wp\/v2\/media\/42068"}],"wp:attachment":[{"href":"https:\/\/www.bjultrasonic.com\/vi\/wp-json\/wp\/v2\/media?parent=42975"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.bjultrasonic.com\/vi\/wp-json\/wp\/v2\/categories?post=42975"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.bjultrasonic.com\/vi\/wp-json\/wp\/v2\/tags?post=42975"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}