{"id":1064,"date":"2026-03-18T08:05:05","date_gmt":"2026-03-18T08:05:05","guid":{"rendered":"https:\/\/www.geo-tester.com\/?post_type=method&#038;p=1064"},"modified":"2026-04-08T05:56:03","modified_gmt":"2026-04-08T05:56:03","slug":"tongue-tear-test","status":"publish","type":"method","link":"https:\/\/www.geo-tester.com\/vi\/method\/tongue-tear-test\/","title":{"rendered":"Th\u1eed nghi\u1ec7m r\u00e1ch l\u01b0\u1ee1i"},"content":{"rendered":"<p class=\"wp-block-paragraph\">M\u00e0ng \u0111\u1ecba k\u1ef9 thu\u1eadt \u0111\u00f3ng vai tr\u00f2 quan tr\u1ecdng trong c\u00e1c h\u1ec7 th\u1ed1ng ng\u0103n ch\u1eb7n \u00f4 nhi\u1ec5m m\u00f4i tr\u01b0\u1eddng nh\u01b0 b\u00e3i ch\u00f4n l\u1ea5p r\u00e1c th\u1ea3i, h\u1ed3 ch\u1ee9a n\u01b0\u1edbc v\u00e0 c\u00e1c ho\u1ea1t \u0111\u1ed9ng khai th\u00e1c m\u1ecf. Hi\u1ec7u su\u1ea5t l\u00e2u d\u00e0i c\u1ee7a ch\u00fang ph\u1ee5 thu\u1ed9c r\u1ea5t nhi\u1ec1u v\u00e0o \u0111\u1ed9 b\u1ec1n c\u01a1 h\u1ecdc, \u0111\u1eb7c bi\u1ec7t l\u00e0 kh\u1ea3 n\u0103ng ch\u1ed1ng r\u00e1ch. C\u00e1c <strong>th\u1eed nghi\u1ec7m r\u00e1ch l\u01b0\u1ee1i<\/strong> l\u00e0 m\u1ed9t ph\u01b0\u01a1ng ph\u00e1p th\u00ed nghi\u1ec7m \u0111\u01b0\u1ee3c c\u00f4ng nh\u1eadn r\u1ed9ng r\u00e3i, \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng \u0111\u1ec3 \u0111o l\u01b0\u1eddng kh\u1ea3 n\u0103ng ch\u1ed1ng l\u1ea1i s\u1ef1 lan r\u1ed9ng c\u1ee7a v\u1ebft r\u00e1ch d\u01b0\u1edbi t\u00e1c d\u1ee5ng c\u1ee7a l\u1ef1c k\u00e9o c\u1ee7a c\u00e1c lo\u1ea1i m\u00e0ng \u0111\u1ecba k\u1ef9 thu\u1eadt c\u00f3 c\u1ed1t th\u00e9p b\u00ean trong.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">B\u1eb1ng c\u00e1ch \u0111\u1ecbnh l\u01b0\u1ee3ng \u0111\u1ed9 b\u1ec1n ch\u1ed1ng r\u00e1ch trong c\u00e1c \u0111i\u1ec1u ki\u1ec7n \u0111\u01b0\u1ee3c ki\u1ec3m so\u00e1t, c\u00e1c ph\u00f2ng th\u00ed nghi\u1ec7m v\u00e0 \u0111\u1ed9i ng\u0169 ki\u1ec3m so\u00e1t ch\u1ea5t l\u01b0\u1ee3ng c\u00f3 th\u1ec3 so s\u00e1nh hi\u1ec7u su\u1ea5t c\u1ee7a v\u1eadt li\u1ec7u, x\u00e1c minh t\u00ednh nh\u1ea5t qu\u00e1n c\u1ee7a s\u1ea3n ph\u1ea9m v\u00e0 \u0111\u1ea3m b\u1ea3o tu\u00e2n th\u1ee7 c\u00e1c ti\u00eau chu\u1ea9n ng\u00e0nh nh\u01b0 <strong>ASTM D5884<\/strong>.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">Ph\u01b0\u01a1ng ph\u00e1p x\u00e9 l\u01b0\u1ee1i<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">C\u00e1i <strong>ph\u01b0\u01a1ng ph\u00e1p r\u1ea1ch l\u01b0\u1ee1i<\/strong> \u0111\u00e1nh gi\u00e1 kh\u1ea3 n\u0103ng ch\u1ed1ng r\u00e1ch c\u1ee7a m\u00e0ng \u0111\u1ecba k\u1ef9 thu\u1eadt gia c\u1ed1 sau khi t\u1ea1o m\u1ed9t v\u1ebft c\u1eaft ban \u0111\u1ea7u tr\u00ean m\u1eabu th\u1eed. Th\u1eed nghi\u1ec7m n\u00e0y t\u1eadp trung v\u00e0o c\u00e1ch v\u1ebft r\u00e1ch lan truy\u1ec1n qua c\u1ea5u tr\u00fac v\u1eadt li\u1ec7u khi m\u1ed9t t\u1ea3i tr\u1ecdng k\u00e9o l\u00e0m t\u00e1ch hai b\u00ean c\u1ee7a m\u1eabu th\u1eed ra kh\u1ecfi nhau.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Trong ph\u01b0\u01a1ng ph\u00e1p n\u00e0y, m\u1eabu th\u1eed c\u00f3 m\u1ed9t khe h\u1edf \u1edf gi\u1eefa t\u1ea1o th\u00e0nh hai \u201cl\u01b0\u1ee1i\u201d h\u1eb9p. M\u1ed7i l\u01b0\u1ee1i \u0111\u01b0\u1ee3c k\u1eb9p v\u00e0o c\u00e1c k\u1eb9p c\u1ee7a m\u00e1y th\u1eed k\u00e9o. Khi b\u1eaft \u0111\u1ea7u th\u1eed nghi\u1ec7m, m\u00e1y s\u1ebd k\u00e9o m\u1eabu th\u1eed v\u1edbi t\u1ed1c \u0111\u1ed9 kh\u00f4ng \u0111\u1ed5i cho \u0111\u1ebfn khi v\u1ebft r\u00e1ch lan r\u1ed9ng qua v\u1eadt li\u1ec7u.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">C\u00e1c \u0111\u1eb7c \u0111i\u1ec3m ch\u00ednh c\u1ee7a ph\u01b0\u01a1ng ph\u00e1p n\u00e0y bao g\u1ed3m:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u00c1p d\u1ee5ng l\u1ef1c k\u00e9o c\u00f3 ki\u1ec3m so\u00e1t \u0111\u1ec3 l\u00e0m v\u1ebft r\u00e1ch lan r\u1ed9ng d\u1ecdc theo m\u1ed9t \u0111\u01b0\u1eddng \u0111i \u0111\u00e3 x\u00e1c \u0111\u1ecbnh<\/li>\n\n\n\n<li>\u0110o l\u01b0\u1eddng <strong>l\u1ef1c x\u00e9 t\u1ed1i \u0111a<\/strong> trong qu\u00e1 tr\u00ecnh nh\u00e2n gi\u1ed1ng<\/li>\n\n\n\n<li>\u0110\u00e1nh gi\u00e1 kh\u1ea3 n\u0103ng ch\u1ed1ng r\u00e1ch \u1edf c\u1ea3 hai <strong>h\u01b0\u1edbng m\u00e1y (MD)<\/strong> v\u00e0 <strong>theo h\u01b0\u1edbng ngang (CD)<\/strong><\/li>\n\n\n\n<li>Kh\u1ea3 n\u0103ng so s\u00e1nh c\u00e1c c\u1ea5u tr\u00fac c\u1ed1t th\u00e9p v\u00e0 h\u01b0\u1edbng s\u1ee3i v\u1ea3i<\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">V\u00ec c\u00e1c c\u1ea5u tr\u00fac gia c\u1ed1 c\u00f3 \u1ea3nh h\u01b0\u1edfng \u0111\u00e1ng k\u1ec3 \u0111\u1ebfn h\u00e0nh vi r\u00e1ch, n\u00ean <strong>th\u1eed nghi\u1ec7m r\u00e1ch l\u01b0\u1ee1i<\/strong> cung c\u1ea5p nh\u1eefng th\u00f4ng tin qu\u00fd gi\u00e1 v\u1ec1 c\u00e1ch c\u00e1c lo\u1ea1i v\u1ea3i gia c\u1ed1 gi\u00fap n\u00e2ng cao \u0111\u1ed9 b\u1ec1n c\u01a1 h\u1ecdc.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">ASTM D5884<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>ASTM D5884<\/strong> l\u00e0 ti\u00eau chu\u1ea9n qu\u1ed1c t\u1ebf ch\u00ednh m\u00f4 t\u1ea3 <strong>th\u1eed nghi\u1ec7m r\u00e1ch l\u01b0\u1ee1i<\/strong> \u0111\u1ed1i v\u1edbi m\u00e0ng \u0111\u1ecba k\u1ef9 thu\u1eadt c\u00f3 c\u1ed1t th\u00e9p b\u00ean trong. Ti\u00eau chu\u1ea9n n\u00e0y quy \u0111\u1ecbnh m\u1ed9t quy tr\u00ecnh th\u1ed1ng nh\u1ea5t \u0111\u1ec3 x\u00e1c \u0111\u1ecbnh \u0111\u1ed9 b\u1ec1n x\u00e9 v\u00e0 \u0111\u1ea3m b\u1ea3o t\u00ednh so s\u00e1nh c\u1ee7a c\u00e1c k\u1ebft qu\u1ea3 gi\u1eefa c\u00e1c ph\u00f2ng th\u00ed nghi\u1ec7m.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Theo ti\u00eau chu\u1ea9n:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>C\u00e1c m\u1eabu c\u00f3 h\u00ecnh h\u1ecdc x\u00e1c \u0111\u1ecbnh \u0111\u01b0\u1ee3c chu\u1ea9n b\u1ecb b\u1eb1ng c\u00e1ch s\u1eed d\u1ee5ng m\u1ed9t <strong>C\u1eaft 75 mm<\/strong>.<\/li>\n\n\n\n<li>M\u1ed7i l\u01b0\u1ee1i c\u1ee7a m\u1eabu th\u1eed \u0111\u01b0\u1ee3c c\u1ed1 \u0111\u1ecbnh trong c\u00e1c k\u1eb9p ri\u00eang bi\u1ec7t c\u1ee7a m\u00e1y th\u1eed nghi\u1ec7m.<\/li>\n\n\n\n<li>C\u00e1c tay c\u1ea7m \u0111\u01b0\u1ee3c b\u1ed1 tr\u00ed v\u1edbi m\u1ed9t <strong>Kho\u1ea3ng c\u00e1ch 75 mm<\/strong>.<\/li>\n\n\n\n<li>B\u00e0i ki\u1ec3m tra di\u1ec5n ra v\u1edbi t\u1ed1c \u0111\u1ed9 <strong>t\u1ed1c \u0111\u1ed9 50 \u00b1 2 mm\/ph\u00fat<\/strong> cho \u0111\u1ebfn khi v\u1ebft r\u00e1ch lan r\u1ed9ng.<\/li>\n\n\n\n<li>Thi\u1ebft b\u1ecb n\u00e0y ghi l\u1ea1i <strong>T\u1ea3i tr\u1ecdng t\u1ed1i \u0111a c\u1ea7n thi\u1ebft \u0111\u1ec3 v\u1ebft r\u00e1ch ti\u1ebfp t\u1ee5c lan r\u1ed9ng<\/strong>.<\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">\u0110\u1ed9 b\u1ec1n x\u00e9 c\u1ee7a v\u1eadt li\u1ec7u \u0111\u01b0\u1ee3c x\u00e1c \u0111\u1ecbnh d\u1ef1a tr\u00ean <strong>l\u1ef1c c\u1ef1c \u0111\u1ea1i \u0111\u01b0\u1ee3c ghi nh\u1eadn trong qu\u00e1 tr\u00ecnh lan truy\u1ec1n v\u1ebft r\u00e1ch<\/strong>. \u0110\u1ec3 \u0111\u1ea3m b\u1ea3o \u0111\u1ed9 tin c\u1eady, c\u00e1c ph\u00f2ng th\u00ed nghi\u1ec7m th\u01b0\u1eddng ti\u1ebfn h\u00e0nh ki\u1ec3m tra <strong>n\u0103m m\u1eabu th\u1eed theo c\u1ea3 hai h\u01b0\u1edbng d\u1ecdc m\u00e1y v\u00e0 ngang m\u00e1y<\/strong> v\u00e0 t\u00ednh gi\u00e1 tr\u1ecb trung b\u00ecnh.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">C\u00e1ch ti\u1ebfp c\u1eadn ti\u00eau chu\u1ea9n h\u00f3a n\u00e0y \u0111\u1ea3m b\u1ea3o t\u00ednh nh\u1ea5t qu\u00e1n <strong>Th\u1eed nghi\u1ec7m \u0111\u1ed9 b\u1ec1n r\u00e1ch c\u1ee7a m\u00e0ng ch\u1ed1ng th\u1ea5m<\/strong> tr\u00ean c\u00e1c ph\u00f2ng th\u00ed nghi\u1ec7m v\u00e0 c\u01a1 s\u1edf s\u1ea3n xu\u1ea5t kh\u00e1c nhau.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">Th\u1eed nghi\u1ec7m \u0111\u1ed9 b\u1ec1n x\u00e9 c\u1ee7a m\u00e0ng ch\u1ed1ng th\u1ea5m<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">Trong c\u00e1c \u1ee9ng d\u1ee5ng k\u1ef9 thu\u1eadt m\u00e0ng ch\u1ed1ng th\u1ea5m, kh\u1ea3 n\u0103ng ch\u1ed1ng r\u00e1ch \u1ea3nh h\u01b0\u1edfng tr\u1ef1c ti\u1ebfp \u0111\u1ebfn \u0111\u1ed9 b\u1ec1n v\u00e0 t\u00ednh an to\u00e0n c\u1ee7a v\u1eadt li\u1ec7u. C\u00e1c h\u01b0 h\u1ecfng x\u1ea3y ra trong qu\u00e1 tr\u00ecnh l\u1eafp \u0111\u1eb7t, \u1ee9ng su\u1ea5t c\u01a1 h\u1ecdc t\u1eeb \u0111\u1ea5t ho\u1eb7c hi\u1ec7n t\u01b0\u1ee3ng l\u00fan kh\u00f4ng \u0111\u1ed3ng \u0111\u1ec1u c\u00f3 th\u1ec3 g\u00e2y ra c\u00e1c v\u1ebft r\u00e1ch c\u1ee5c b\u1ed9, t\u1eeb \u0111\u00f3 c\u00f3 th\u1ec3 lan r\u1ed9ng th\u00e0nh c\u00e1c h\u01b0 h\u1ecfng nghi\u00eam tr\u1ecdng h\u01a1n.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>Th\u1eed nghi\u1ec7m \u0111\u1ed9 b\u1ec1n ch\u1ed1ng r\u00e1ch c\u1ee7a m\u00e0ng \u0111\u1ecba k\u1ef9 thu\u1eadt<\/strong> gi\u00fap c\u00e1c k\u1ef9 s\u01b0 \u0111\u00e1nh gi\u00e1 li\u1ec7u m\u1ed9t m\u00e0ng c\u00f3 th\u1ec3 ch\u1ecbu \u0111\u01b0\u1ee3c c\u00e1c \u0111i\u1ec1u ki\u1ec7n \u1ee9ng su\u1ea5t nh\u01b0 v\u1eady hay kh\u00f4ng.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">C\u00e1c y\u1ebfu t\u1ed1 quan tr\u1ecdng \u1ea3nh h\u01b0\u1edfng \u0111\u1ebfn \u0111\u1ed9 b\u1ec1n c\u1ee7a v\u1ebft r\u00e1ch bao g\u1ed3m:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>C\u1ea5u tr\u00fac gia c\u1ed1<\/strong><br>C\u00e1c m\u00e0ng \u0111\u1ecba k\u1ef9 thu\u1eadt \u0111\u01b0\u1ee3c gia c\u1ed1 b\u00ean trong c\u00f3 ch\u1ee9a c\u00e1c l\u1edbp v\u1ea3i gi\u00fap t\u0103ng c\u01b0\u1eddng \u0111\u00e1ng k\u1ec3 kh\u1ea3 n\u0103ng ch\u1ed1ng lan truy\u1ec1n v\u1ebft r\u00e1ch.<\/li>\n\n\n\n<li><strong>H\u01b0\u1edbng c\u1ee7a v\u1eadt li\u1ec7u<\/strong><br>Do quy tr\u00ecnh s\u1ea3n xu\u1ea5t, c\u00e1c t\u00ednh ch\u1ea5t c\u01a1 h\u1ecdc th\u01b0\u1eddng c\u00f3 s\u1ef1 kh\u00e1c bi\u1ec7t gi\u1eefa h\u01b0\u1edbng d\u1ecdc m\u00e1y v\u00e0 h\u01b0\u1edbng ngang m\u00e1y.<\/li>\n\n\n\n<li><strong>T\u1ed1c \u0111\u1ed9 bi\u1ebfn d\u1ea1ng v\u00e0 h\u00ecnh d\u1ea1ng m\u1eabu th\u1eed<\/strong><br>C\u00e1c \u0111i\u1ec1u ki\u1ec7n th\u1eed nghi\u1ec7m, ch\u1eb3ng h\u1ea1n nh\u01b0 t\u1ed1c \u0111\u1ed9 t\u1ea3i v\u00e0 k\u00edch th\u01b0\u1edbc m\u1eabu th\u1eed, \u1ea3nh h\u01b0\u1edfng \u0111\u1ebfn \u0111\u1ed9 b\u1ec1n ch\u1ed1ng r\u00e1ch \u0111\u01b0\u1ee3c \u0111o \u0111\u01b0\u1ee3c.<\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">C\u00e1i <strong>th\u1eed nghi\u1ec7m r\u00e1ch l\u01b0\u1ee1i<\/strong> kh\u00f4ng m\u00f4 ph\u1ecfng tr\u1ef1c ti\u1ebfp c\u00e1c \u0111i\u1ec1u ki\u1ec7n th\u1ef1c t\u1ebf. Thay v\u00e0o \u0111\u00f3, n\u00f3 cung c\u1ea5p m\u1ed9t <strong>gi\u00e1 tr\u1ecb ch\u1ec9 s\u1ed1 \u0111\u01b0\u1ee3c ki\u1ec3m so\u00e1t<\/strong> gi\u00fap c\u00e1c k\u1ef9 s\u01b0 so s\u00e1nh c\u00e1c lo\u1ea1i v\u1eadt li\u1ec7u v\u00e0 ki\u1ec3m tra t\u00ednh nh\u1ea5t qu\u00e1n c\u1ee7a s\u1ea3n ph\u1ea9m.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">T\u1ed5ng quan v\u1ec1 quy tr\u00ecnh th\u1eed nghi\u1ec7m \u0111\u1ed9 b\u1ec1n ch\u1ed1ng r\u00e1ch<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">M\u1ed9t v\u00ed d\u1ee5 \u0111i\u1ec3n h\u00ecnh <strong>th\u1eed nghi\u1ec7m \u0111\u1ed9 b\u1ec1n ch\u1ed1ng r\u00e1ch<\/strong> Vi\u1ec7c \u00e1p d\u1ee5ng ph\u01b0\u01a1ng ph\u00e1p r\u1ea1ch l\u01b0\u1ee1i bao g\u1ed3m m\u1ed9t s\u1ed1 b\u01b0\u1edbc c\u01a1 b\u1ea3n sau:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>Chu\u1ea9n b\u1ecb m\u1eabu<\/strong><br>C\u00e1c m\u1eabu th\u1eed h\u00ecnh ch\u1eef nh\u1eadt \u0111\u01b0\u1ee3c c\u1eaft ra t\u1eeb t\u1ea5m m\u00e0ng \u0111\u1ecba k\u1ef9 thu\u1eadt. M\u1ed9t khe r\u1ea1ch \u1edf gi\u1eefa t\u1ea1o th\u00e0nh hai d\u1ea3i h\u1eb9p s\u1ebd \u0111\u01b0\u1ee3c k\u00e9o ra xa nhau trong qu\u00e1 tr\u00ecnh th\u1eed nghi\u1ec7m.<\/li>\n\n\n\n<li><strong>C\u00e1ch g\u1eafn m\u1eabu<\/strong><br>M\u1ed7i l\u01b0\u1ee1i \u0111\u01b0\u1ee3c \u0111\u1eb7t v\u00e0o m\u1ed9t k\u1eb9p ri\u00eang bi\u1ec7t c\u1ee7a m\u00e1y th\u1eed k\u00e9o, \u0111\u1ea3m b\u1ea3o s\u1ef1 c\u0103n ch\u1ec9nh ch\u00ednh x\u00e1c v\u00e0 kho\u1ea3ng c\u00e1ch k\u1eb9p \u0111\u1ed3ng nh\u1ea5t.<\/li>\n\n\n\n<li><strong>T\u1ea3i tr\u1ecdng k\u00e9o c\u00f3 ki\u1ec3m so\u00e1t<\/strong><br>M\u00e1y th\u1eed nghi\u1ec7m t\u1ea1o l\u1ef1c k\u00e9o v\u1edbi t\u1ed1c \u0111\u1ed9 kh\u00f4ng \u0111\u1ed5i cho \u0111\u1ebfn khi v\u1ebft r\u00e1ch lan r\u1ed9ng qua m\u1eabu th\u1eed.<\/li>\n\n\n\n<li><strong>Ghi ch\u00e9p d\u1eef li\u1ec7u<\/strong><br>H\u1ec7 th\u1ed1ng ghi l\u1ea1i \u0111\u01b0\u1eddng cong l\u1ef1c v\u00e0 x\u00e1c \u0111\u1ecbnh <strong>t\u1ea3i tr\u1ecdng x\u00e9 c\u1ef1c \u0111\u1ea1i<\/strong>.<\/li>\n\n\n\n<li><strong>\u0110\u00e1nh gi\u00e1 k\u1ebft qu\u1ea3<\/strong><br>C\u00e1c ph\u00f2ng th\u00ed nghi\u1ec7m t\u00ednh to\u00e1n \u0111\u1ed9 b\u1ec1n k\u00e9o trung b\u00ecnh d\u1ef1a tr\u00ean nhi\u1ec1u m\u1eabu th\u1eed theo c\u1ea3 hai h\u01b0\u1edbng c\u1ee7a v\u1eadt li\u1ec7u v\u00e0 c\u0169ng c\u00f3 th\u1ec3 x\u00e1c \u0111\u1ecbnh c\u00e1c th\u00f4ng s\u1ed1 th\u1ed1ng k\u00ea nh\u01b0 \u0111\u1ed9 l\u1ec7ch chu\u1ea9n.<\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">Thi\u1ebft b\u1ecb \u0111\u00e1ng tin c\u1eady l\u00e0 y\u1ebfu t\u1ed1 thi\u1ebft y\u1ebfu \u0111\u1ec3 c\u00f3 \u0111\u01b0\u1ee3c c\u00e1c k\u1ebft qu\u1ea3 \u0111o \u0111\u1ed9 b\u1ec1n x\u00e9 ch\u00ednh x\u00e1c.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">Thi\u1ebft b\u1ecb ki\u1ec3m tra \u0111\u01b0\u1ee3c khuy\u1ebfn ngh\u1ecb<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">M\u1ed9t h\u1ec7 th\u1ed1ng th\u1eed nghi\u1ec7m v\u1eadt li\u1ec7u \u0111a n\u0103ng v\u1edbi kh\u1ea3 n\u0103ng ki\u1ec3m so\u00e1t t\u1ea3i tr\u1ecdng \u1ed5n \u0111\u1ecbnh v\u00e0 \u0111o l\u01b0\u1eddng \u0111\u1ed9 d\u1ecbch chuy\u1ec3n ch\u00ednh x\u00e1c l\u00e0 y\u1ebfu t\u1ed1 thi\u1ebft y\u1ebfu \u0111\u1ed1i v\u1edbi <strong>th\u1eed nghi\u1ec7m r\u00e1ch l\u01b0\u1ee1i<\/strong>. The <strong>M\u00e1y th\u1eed \u0111\u1ed9 b\u1ec1n k\u00e9o Cell Instruments TST-01<\/strong> cung c\u1ea5p m\u1ed9t gi\u1ea3i ph\u00e1p hi\u1ec7u qu\u1ea3 cho c\u00e1c ph\u00f2ng th\u00ed nghi\u1ec7m th\u1ef1c hi\u1ec7n th\u1eed nghi\u1ec7m m\u00e0ng \u0111\u1ecba k\u1ef9 thu\u1eadt.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">C\u00e1c \u01b0u \u0111i\u1ec3m ch\u00ednh bao g\u1ed3m:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>H\u1ec7 th\u1ed1ng \u0111i\u1ec1u khi\u1ec3n d\u1ef1a tr\u00ean PLC v\u1edbi giao di\u1ec7n m\u00e0n h\u00ecnh c\u1ea3m \u1ee9ng tr\u1ef1c quan<\/strong>, cho ph\u00e9p hi\u1ec3n th\u1ecb c\u00e1c \u0111\u01b0\u1eddng cong th\u1eed nghi\u1ec7m r\u00f5 r\u00e0ng theo th\u1eddi gian th\u1ef1c<\/li>\n\n\n\n<li><strong>H\u1ec7 th\u1ed1ng truy\u1ec1n \u0111\u1ed9ng v\u00edt bi c\u00f3 \u0111\u1ed9 ch\u00ednh x\u00e1c cao<\/strong>, \u0111\u1ea3m b\u1ea3o c\u00e1c \u0111i\u1ec1u ki\u1ec7n n\u1ea1p li\u1ec7u di\u1ec5n ra tr\u01a1n tru v\u00e0 c\u00f3 th\u1ec3 l\u1eb7p l\u1ea1i<\/li>\n\n\n\n<li><strong>D\u1ea3i \u0111i\u1ec1u ch\u1ec9nh t\u1ed1c \u0111\u1ed9 r\u1ed9ng (1\u2013500 mm\/ph\u00fat)<\/strong> ph\u00f9 h\u1ee3p cho c\u00e1c th\u1eed nghi\u1ec7m \u0111\u1ed9 r\u00e1ch theo ti\u00eau chu\u1ea9n ASTM<\/li>\n\n\n\n<li><strong>Kh\u1ea3 n\u0103ng t\u01b0\u01a1ng th\u00edch v\u1edbi c\u00e1c lo\u1ea1i gi\u00e1 \u0111\u1ee1 linh ho\u1ea1t<\/strong>, cho ph\u00e9p chuy\u1ec3n \u0111\u1ed5i nhanh ch\u00f3ng gi\u1eefa c\u00e1c th\u1eed nghi\u1ec7m k\u00e9o, b\u00f3c t\u00e1ch, \u0111\u00e2m th\u1ee7ng v\u00e0 x\u00e9 r\u00e1ch<\/li>\n\n\n\n<li><strong>\u0110o t\u1ea3i ch\u00ednh x\u00e1c (0,5% to\u00e0n thang \u0111o)<\/strong> \u0111\u1ec3 \u0111\u00e1nh gi\u00e1 v\u1eadt li\u1ec7u m\u1ed9t c\u00e1ch \u0111\u00e1ng tin c\u1eady<\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">H\u1ec7 th\u1ed1ng h\u1ed7 tr\u1ee3 vi\u1ec7c th\u1ef1c thi nh\u1ea5t qu\u00e1n c\u00e1c <strong><a href=\"https:\/\/store.astm.org\/d5884_d5884m-23.html\" target=\"_blank\" rel=\"noreferrer noopener nofollow\">ASTM D5884<\/a> th\u1eed nghi\u1ec7m \u0111\u1ed9 b\u1ec1n ch\u1ed1ng r\u00e1ch<\/strong>, gi\u00fap c\u00e1c ph\u00f2ng th\u00ed nghi\u1ec7m \u0111\u1ea1t \u0111\u01b0\u1ee3c c\u00e1c k\u1ebft qu\u1ea3 c\u00f3 th\u1ec3 l\u1eb7p l\u1ea1i v\u00e0 truy xu\u1ea5t \u0111\u01b0\u1ee3c.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">T\u1ea1i sao b\u00e0i ki\u1ec3m tra r\u00e1ch l\u01b0\u1ee1i l\u1ea1i quan tr\u1ecdng<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">C\u00e1i <strong>th\u1eed nghi\u1ec7m r\u00e1ch l\u01b0\u1ee1i<\/strong> \u0111\u00f3ng vai tr\u00f2 quan tr\u1ecdng trong vi\u1ec7c \u0111\u00e1nh gi\u00e1 ch\u1ea5t l\u01b0\u1ee3ng m\u00e0ng ch\u1ed1ng th\u1ea5m v\u00ec n\u00f3:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Cung c\u1ea5p <strong>\u0111o l\u01b0\u1eddng \u0111\u1ecbnh l\u01b0\u1ee3ng \u0111\u1ed9 b\u1ec1n ch\u1ed1ng r\u00e1ch<\/strong><\/li>\n\n\n\n<li>Gi\u00fap so s\u00e1nh c\u00e1c c\u1ea5u tr\u00fac c\u1ed1t th\u00e9p v\u00e0 thi\u1ebft k\u1ebf v\u1eadt li\u1ec7u<\/li>\n\n\n\n<li>H\u1ed7 tr\u1ee3 <strong>ki\u1ec3m so\u00e1t ch\u1ea5t l\u01b0\u1ee3ng trong qu\u00e1 tr\u00ecnh s\u1ea3n xu\u1ea5t<\/strong><\/li>\n\n\n\n<li>H\u1ed7 tr\u1ee3 c\u00e1c k\u1ef9 s\u01b0 trong vi\u1ec7c l\u1ef1a ch\u1ecdn v\u1eadt li\u1ec7u cho c\u00e1c \u1ee9ng d\u1ee5ng ch\u1ee9a \u0111\u1ef1ng c\u00f3 y\u00eau c\u1ea7u kh\u1eaft khe<\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">Khi k\u1ebft h\u1ee3p v\u1edbi c\u00e1c th\u1eed nghi\u1ec7m c\u01a1 h\u1ecdc kh\u00e1c nh\u01b0 \u0111\u1ed9 b\u1ec1n k\u00e9o v\u00e0 kh\u1ea3 n\u0103ng ch\u1ed1ng th\u1ee7ng, ph\u01b0\u01a1ng ph\u00e1p n\u00e0y g\u00f3p ph\u1ea7n gi\u00fap hi\u1ec3u r\u00f5 h\u01a1n v\u1ec1 hi\u1ec7u su\u1ea5t c\u1ee7a m\u00e0ng \u0111\u1ecba k\u1ef9 thu\u1eadt.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u0110\u1ed1i v\u1edbi c\u00e1c nh\u00e0 s\u1ea3n xu\u1ea5t, ph\u00f2ng th\u00ed nghi\u1ec7m ki\u1ec3m \u0111\u1ecbnh v\u00e0 c\u00e1c \u0111\u01a1n v\u1ecb t\u01b0 v\u1ea5n k\u1ef9 thu\u1eadt, \u0111\u1ed9 ch\u00ednh x\u00e1c <strong>Th\u1eed nghi\u1ec7m \u0111\u1ed9 b\u1ec1n r\u00e1ch c\u1ee7a m\u00e0ng ch\u1ed1ng th\u1ea5m<\/strong> \u0111\u1ea3m b\u1ea3o c\u00e1c v\u1eadt li\u1ec7u \u0111\u00e1p \u1ee9ng c\u00e1c y\u00eau c\u1ea7u v\u1ec1 thi\u1ebft k\u1ebf v\u00e0 c\u00e1c quy \u0111\u1ecbnh ph\u00e1p l\u00fd.<\/p>","protected":false},"excerpt":{"rendered":"<p>Th\u1eed nghi\u1ec7m r\u00e1ch l\u01b0\u1ee1i \u0111\u00e1nh gi\u00e1 \u0111\u1ed9 b\u1ec1n r\u00e1ch c\u1ee7a m\u00e0ng \u0111\u1ecba k\u1ef9 thu\u1eadt c\u00f3 c\u1ed1t th\u00e9p b\u00ean trong b\u1eb1ng c\u00e1ch \u0111o l\u1ef1c t\u1ed1i \u0111a c\u1ea7n thi\u1ebft \u0111\u1ec3 l\u00e0m lan r\u1ed9ng v\u1ebft r\u00e1ch t\u1eeb m\u1ed9t v\u1ebft c\u1eaft s\u1eb5n. \u0110\u01b0\u1ee3c th\u1ef1c hi\u1ec7n theo ti\u00eau chu\u1ea9n ASTM D5884, ph\u01b0\u01a1ng ph\u00e1p n\u00e0y s\u1eed d\u1ee5ng m\u00e1y th\u1eed k\u00e9o \u0111\u1ec3 k\u00e9o hai \u201cl\u01b0\u1ee1i\u201d c\u1ee7a m\u1eabu th\u1eed ra xa nhau v\u1edbi t\u1ed1c \u0111\u1ed9 \u0111\u01b0\u1ee3c ki\u1ec3m so\u00e1t \u0111\u1ed3ng th\u1eddi ghi l\u1ea1i t\u1ea3i tr\u1ecdng \u0111\u1ec9nh.<\/p>","protected":false},"featured_media":0,"parent":0,"template":"","meta":{"_acf_changed":true},"method-category":[],"class_list":["post-1064","method","type-method","status-publish","hentry"],"acf":[],"_links":{"self":[{"href":"https:\/\/www.geo-tester.com\/vi\/wp-json\/wp\/v2\/method\/1064","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.geo-tester.com\/vi\/wp-json\/wp\/v2\/method"}],"about":[{"href":"https:\/\/www.geo-tester.com\/vi\/wp-json\/wp\/v2\/types\/method"}],"wp:attachment":[{"href":"https:\/\/www.geo-tester.com\/vi\/wp-json\/wp\/v2\/media?parent=1064"}],"wp:term":[{"taxonomy":"method-category","embeddable":true,"href":"https:\/\/www.geo-tester.com\/vi\/wp-json\/wp\/v2\/method-category?post=1064"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}