{"id":3477,"date":"2025-12-01T07:33:03","date_gmt":"2025-12-01T07:33:03","guid":{"rendered":"https:\/\/nbaem.com\/?p=3477"},"modified":"2025-12-01T04:31:33","modified_gmt":"2025-12-01T04:31:33","slug":"what-is-the-best-magnet-for-water-meter","status":"publish","type":"post","link":"https:\/\/nbaem.com\/vi\/what-is-the-best-magnet-for-water-meter\/","title":{"rendered":"H\u01b0\u1edbng d\u1eabn nam ch\u00e2m t\u1ed1t nh\u1ea5t cho \u0111\u1ed3ng h\u1ed3 n\u01b0\u1edbc, t\u00f9y ch\u1ecdn c\u00f3 \u0111\u1ed9 b\u1ec1n v\u00e0 l\u1ef1c t\u1eeb cao"},"content":{"rendered":"<p>G\u1eb7p kh\u00f3 kh\u0103n trong vi\u1ec7c t\u00ecm <strong>magnet t\u1ed1t nh\u1ea5t cho \u0111\u1ed3ng h\u1ed3 n\u01b0\u1edbc<\/strong>? Vi\u1ec7c ch\u1ecdn nam ch\u00e2m ph\u00f9 h\u1ee3p kh\u00f4ng ch\u1ec9 d\u1ef1a tr\u00ean l\u1ef1c \u2013 m\u00e0 c\u00f2n d\u1ef1a tr\u00ean \u0111\u1ed9 ch\u00ednh x\u00e1c, \u0111\u1ed9 b\u1ec1n v\u00e0 \u0111\u1ed9 tin c\u1eady l\u00e2u d\u00e0i trong m\u00f4i tr\u01b0\u1eddng kh\u1eaft khe. Cho d\u00f9 b\u1ea1n l\u00e0m vi\u1ec7c v\u1edbi c\u00e1c thi\u1ebft l\u1eadp d\u00e2n d\u1ee5ng hay \u0111\u1ed3ng h\u1ed3 n\u01b0\u1edbc c\u00f4ng nghi\u1ec7p t\u1ea3i tr\u1ecdng n\u1eb7ng, bi\u1ebft lo\u1ea1i nam ch\u00e2m n\u00e0o ph\u00f9 h\u1ee3p v\u1edbi nhu c\u1ea7u c\u1ee7a b\u1ea1n c\u00f3 th\u1ec3 c\u1ee9u b\u1ea1n kh\u1ecfi c\u00e1c sai s\u00f3t t\u1ed1n k\u00e9m v\u00e0 th\u1eddi gian ng\u1eebng ho\u1ea1t \u0111\u1ed9ng. Trong h\u01b0\u1edbng d\u1eabn n\u00e0y, b\u1ea1n s\u1ebd nh\u1eadn \u0111\u01b0\u1ee3c nh\u1eefng th\u00f4ng tin chuy\u00ean gia r\u00f5 r\u00e0ng v\u1ec1 vi\u1ec7c ch\u1ecdn nam ch\u00e2m hi\u1ec7u su\u1ea5t cao\u2014nh\u01b0 neodymium, ferrite v\u00e0 samarium cobalt\u2014\u0111\u1ec3 \u0111\u1ea3m b\u1ea3o \u0111\u1ed3ng h\u1ed3 n\u01b0\u1edbc c\u1ee7a b\u1ea1n cho k\u1ebft qu\u1ea3 \u0111o ch\u00ednh x\u00e1c m\u1ed7i l\u1ea7n. S\u1eb5n s\u00e0ng n\u00e2ng c\u1ea5p tr\u00f2 ch\u01a1i \u0111o l\u01b0u l\u01b0\u1ee3ng c\u1ee7a b\u1ea1n? H\u00e3y b\u1eaft \u0111\u1ea7u!<\/p>\n<div id=\"attachment_3516\" style=\"width: 462px\" class=\"wp-caption alignnone\"><img decoding=\"async\" aria-describedby=\"caption-attachment-3516\" class=\"size-full wp-image-3516\" src=\"https:\/\/nbaem.com\/wp-content\/uploads\/2025\/11\/magnet-for-water-meter.jpg\" alt=\"magnet cho \u0111\u1ed3ng h\u1ed3 n\u01b0\u1edbc\" width=\"452\" height=\"267\" srcset=\"https:\/\/nbaem.com\/wp-content\/uploads\/2025\/11\/magnet-for-water-meter-18x12.jpg 18w, https:\/\/nbaem.com\/wp-content\/uploads\/2025\/11\/magnet-for-water-meter-200x118.jpg 200w, https:\/\/nbaem.com\/wp-content\/uploads\/2025\/11\/magnet-for-water-meter-300x177.jpg 300w, https:\/\/nbaem.com\/wp-content\/uploads\/2025\/11\/magnet-for-water-meter-400x236.jpg 400w, https:\/\/nbaem.com\/wp-content\/uploads\/2025\/11\/magnet-for-water-meter.jpg 452w\" sizes=\"(max-width: 452px) 100vw, 452px\" \/><p id=\"caption-attachment-3516\" class=\"wp-caption-text\">magnet cho \u0111\u1ed3ng h\u1ed3 n\u01b0\u1edbc<\/p><\/div>\n<h2>Hi\u1ec3u v\u1ec1 Magnet cho \u0111\u1ed3ng h\u1ed3 n\u01b0\u1edbc v\u00e0 vai tr\u00f2 c\u1ee7a n\u00f3<\/h2>\n<p>\u0110\u1ed3ng h\u1ed3 n\u01b0\u1edbc \u0111\u00f3ng vai tr\u00f2 then ch\u1ed1t trong vi\u1ec7c \u0111o l\u01b0u l\u01b0\u1ee3ng n\u01b0\u1edbc cho m\u1ee5c \u0111\u00edch sinh ho\u1ea1t, th\u01b0\u01a1ng m\u1ea1i v\u00e0 c\u00f4ng nghi\u1ec7p. H\u1ea7u h\u1ebft \u0111\u1ed3ng h\u1ed3 n\u01b0\u1edbc hi\u1ec7n \u0111\u1ea1i, \u0111\u1eb7c bi\u1ec7t l\u00e0 \u0111\u1ed3ng h\u1ed3 n\u01b0\u1edbc ki\u1ec3u kh\u1eafc dry v\u00e0 \u0111\u1ed3ng h\u1ed3 n\u01b0\u1edbc t\u1eeb t\u00ednh, d\u1ef1a v\u00e0o gh\u00e9p t\u1eeb t\u1eeb t\u00ednh \u0111\u1ec3 truy\u1ec1n \u0111\u1ed9ng c\u1ee7a c\u01a1 c\u1ea5u b\u00ean trong ra m\u1eb7t s\u1ed1 b\u00ean ngo\u00e0i m\u00e0 kh\u00f4ng ti\u1ebfp x\u00fac tr\u1ef1c ti\u1ebfp. \u0110i\u1ec1u n\u00e0y \u0111\u1ea3m b\u1ea3o c\u00e1c k\u1ebft qu\u1ea3 \u0111o ch\u00ednh x\u00e1c \u0111\u1ed3ng th\u1eddi b\u1ea3o v\u1ec7 c\u00e1c ph\u1ea7n nh\u1ea1y c\u1ea3m c\u1ee7a \u0111\u1ed3ng h\u1ed3 kh\u1ecfi b\u1ecb h\u01b0 h\u1ecfng do n\u01b0\u1edbc.<\/p>\n<h3>C\u01a1 b\u1ea3n v\u1ec1 c\u00e1c lo\u1ea1i \u0111\u1ed3ng h\u1ed3 n\u01b0\u1edbc v\u00e0 gh\u00e9p t\u1eeb t\u00ednh<\/h3>\n<p>C\u00f3 nhi\u1ec1u lo\u1ea1i \u0111\u1ed3ng h\u1ed3 n\u01b0\u1edbc, bao g\u1ed3m ki\u1ec3u \u0111\u1ea9y d\u01b0\u01a1ng, turb\u00edn v\u00e0 si\u00eau \u00e2m. Nhi\u1ec1u lo\u1ea1i d\u00f9ng nam ch\u00e2m \u0111\u1ec3 k\u1ebft n\u1ed1i c\u00e1nh qu\u1ea1t ho\u1eb7c r\u00f4to b\u00ean trong \u0111\u1ed3ng h\u1ed3 v\u1edbi m\u1eb7t s\u1ed1 ho\u1eb7c c\u1ea3m bi\u1ebfn \u1edf b\u00ean ngo\u00e0i. The <strong>gh\u00e9p t\u1eeb t\u00ednh<\/strong> x\u1ea3y ra th\u00f4ng qua m\u1ed9t v\u1ecf k\u00edn, cho ph\u00e9p \u0111\u1ed3ng h\u1ed3 v\u1eabn kh\u00f4ng r\u00f2 n\u01b0\u1edbc v\u00e0 ng\u0103n ch\u1eb7n s\u1ef1 gi\u1ea3 m\u1ea1o ho\u1eb7c r\u00f2 r\u1ec9.<\/p>\n<h3>Ch\u1ee9c n\u0103ng c\u1ed1t l\u00f5i c\u1ee7a Magnet cho \u0111\u1ed3ng h\u1ed3 n\u01b0\u1edbc<\/h3>\n<p>Nam ch\u00e2m cho \u0111\u1ed3ng h\u1ed3 n\u01b0\u1edbc ph\u1ee5c v\u1ee5 nhi\u1ec1u ch\u1ee9c n\u0103ng thi\u1ebft y\u1ebfu:<\/p>\n<ul>\n<li><strong>Truy\u1ec1n l\u1ef1c quay<\/strong> t\u1eeb l\u01b0u l\u01b0\u1ee3ng n\u01b0\u1edbc sang m\u1eb7t s\u1ed1 ho\u1eb7c c\u1ea3m bi\u1ebfn m\u00e0 kh\u00f4ng c\u1ea7n li\u00ean k\u1ebft c\u01a1 h\u1ecdc.<\/li>\n<li><strong>\u0110\u1ea3m b\u1ea3o \u0111\u1ecdc \u0111\u00fang<\/strong> b\u1eb1ng c\u00e1ch duy tr\u00ec tr\u01b0\u1eddng t\u1eeb t\u00ednh \u1ed5n \u0111\u1ecbnh.<\/li>\n<li><strong>Ng\u0103n ng\u1eeba m\u00e0i m\u00f2n v\u00e0 t\u1ed5n h\u1ea1i<\/strong> v\u00ec kh\u00f4ng c\u00f3 c\u00e1c b\u1ed9 ph\u1eadn chuy\u1ec3n \u0111\u1ed9ng v\u1eadt l\u00fd \u0111\u1ec3 suy gi\u1ea3m.<\/li>\n<\/ul>\n<h3>C\u00e1c th\u00e1ch th\u1ee9c ph\u1ed5 bi\u1ebfn: Ph\u00e1 t\u1eeb v\u00e0 nhi\u1ec5u<\/h3>\n<p>Nam ch\u00e2m cho \u0111\u1ed3ng h\u1ed3 n\u01b0\u1edbc ph\u1ea3i m\u1ea1nh nh\u01b0ng c\u0169ng b\u1ec1n. Theo th\u1eddi gian, nam ch\u00e2m c\u00f3 th\u1ec3 m\u1ea5t s\u1ee9c m\u1ea1nh do:<\/p>\n<ul>\n<li><strong>Kh\u1eed t\u1eeb<\/strong> do bi\u1ebfn \u0111\u1ed9ng nhi\u1ec7t \u0111\u1ed9 ho\u1eb7c s\u1ed1c v\u1eadt l\u00fd g\u00e2y ra.<\/li>\n<li><strong>Nhi\u1ec5u t\u1eeb<\/strong> t\u1eeb c\u00e1c thi\u1ebft b\u1ecb \u0111i\u1ec7n t\u1eed g\u1ea7n \u0111\u00f3 ho\u1eb7c nam ch\u00e2m kh\u00e1c, c\u00f3 th\u1ec3 l\u00e0m m\u00e9o \u0111\u1ecdc.<\/li>\n<\/ul>\n<p>Ch\u1ecdn nam ch\u00e2m ph\u00f9 h\u1ee3p gi\u00fap gi\u1ea3m thi\u1ec3u r\u1ee7i ro n\u00e0y, \u0111\u1ea3m b\u1ea3o \u0111\u1ed9 ch\u00ednh x\u00e1c v\u00e0 \u0111\u1ed9 tin c\u1eady c\u1ee7a \u0111\u1ed3ng h\u1ed3 \u0111o l\u00e2u d\u00e0i. Hi\u1ec3u c\u00e1c nguy\u00ean t\u1eafc c\u01a1 b\u1ea3n n\u00e0y \u0111\u1eb7t n\u1ec1n t\u1ea3ng cho vi\u1ec7c ch\u1ecdn nam ch\u00e2m t\u1ed1t nh\u1ea5t cho \u1ee9ng d\u1ee5ng \u0111\u1ed3ng h\u1ed3 n\u01b0\u1edbc.<\/p>\n<h2>So s\u00e1nh c\u00e1c lo\u1ea1i nam ch\u00e2m: Nam ch\u00e2m n\u00e0o ph\u00f9 h\u1ee3p cho \u0110\u1ed3ng h\u1ed3 n\u01b0\u1edbc?<\/h2>\n<p>Khi ch\u1ecdn nam ch\u00e2m t\u1ed1t nh\u1ea5t cho \u0111\u1ed3ng h\u1ed3 n\u01b0\u1edbc, vi\u1ec7c bi\u1ebft c\u00e1c lo\u1ea1i c\u00f3 s\u1eb5n v\u00e0 nh\u1eefng g\u00ec ch\u00fang mang l\u1ea1i l\u00e0 ch\u00eca kh\u00f3a. D\u01b0\u1edbi \u0111\u00e2y l\u00e0 b\u1ea3ng so s\u00e1nh nhanh v\u1ec1 nam ch\u00e2m ph\u1ed5 bi\u1ebfn nh\u1ea5t cho li\u00ean k\u1ebft t\u1eeb \u0111o \u0111\u1ed3ng h\u1ed3 n\u01b0\u1edbc:<\/p>\n<p><a href=\"https:\/\/nbaem.com\/vi\/products\/ceramic-magnet\/\" target=\"_blank\" rel=\"noopener\"><span style=\"color: #ff6600;\"><strong>Nam ch\u00e2m ferrite<\/strong><\/span><\/a><\/p>\n<ul>\n<li><strong>\u01afu \u0111i\u1ec3m:<\/strong> Ti\u1ebft ki\u1ec7m chi ph\u00ed, ch\u1ed1ng \u0103n m\u00f2n v\u00e0 \u1ed5n \u0111\u1ecbnh trong m\u00f4i tr\u01b0\u1eddng \u1ea9m \u01b0\u1edbt.<\/li>\n<li><strong>Nh\u01b0\u1ee3c \u0111i\u1ec3m:<\/strong> M\u1ea1nh t\u1eeb t\u00ednh th\u1ea5p h\u01a1n so v\u1edbi nam ch\u00e2m \u0111\u1ea5t hi\u1ebfm, v\u00ec v\u1eady ch\u00fang c\u00f3 th\u1ec3 kh\u00f4ng l\u00fd t\u01b0\u1edfng cho c\u00e1c \u0111\u1ed3ng h\u1ed3 y\u00eau c\u1ea7u m\u1ee9c gauss cao.<\/li>\n<li><strong>Ph\u00f9 h\u1ee3p v\u1edbi:<\/strong> \u0110\u1ed3ng h\u1ed3 n\u01b0\u1edbc gia \u0111\u00ecnh ti\u00eau chu\u1ea9n v\u1edbi nhu c\u1ea7u ch\u00ednh x\u00e1c \u1edf m\u1ee9c v\u1eeba ph\u1ea3i.<\/li>\n<\/ul>\n<p><a href=\"https:\/\/nbaem.com\/vi\/products\/neodymium-magnet\/\" target=\"_blank\" rel=\"noopener\"><span style=\"color: #ff6600;\"><strong>Nam ch\u00e2m Neodymium (NdFeB)<\/strong><\/span><\/a><\/p>\n<ul>\n<li><strong>\u0110i\u1ec3m m\u1ea1nh:<\/strong> L\u1ef1c t\u1eeb c\u1ef1c m\u1ea1nh v\u00e0 k\u00edch th\u01b0\u1edbc nh\u1ecf g\u1ecdn, khi\u1ebfn ch\u00fang l\u00fd t\u01b0\u1edfng cho c\u00e1c \u0111\u1ed3ng h\u1ed3 \u0111o nh\u1ecf ho\u1eb7c \u0111o l\u01b0\u1eddng ch\u00ednh x\u00e1c v\u1edbi y\u00eau c\u1ea7u t\u1eeb tr\u01b0\u1eddng cao.<\/li>\n<li><strong>\u0110i\u1ec3m y\u1ebfu:<\/strong> D\u1ec5 b\u1ecb \u0103n m\u00f2n n\u1ebfu kh\u00f4ng \u0111\u01b0\u1ee3c ph\u1ee7 b\u1ea3o v\u1ec7 \u0111\u00fang c\u00e1ch v\u00e0 c\u00f3 th\u1ec3 m\u1ea5t \u0111\u1ed9 m\u1ea1nh khi ti\u1ebfp x\u00fac v\u1edbi nhi\u1ec7t \u0111\u1ed9 cao ho\u1eb7c nhi\u1ec5u t\u1eeb.<\/li>\n<li><strong>\u1ee8ng d\u1ee5ng l\u00fd t\u01b0\u1edfng:<\/strong> \u0110\u1ed3ng h\u1ed3 \u0111o n\u01b0\u1edbc th\u01b0\u01a1ng m\u1ea1i ho\u1eb7c c\u1ea3m bi\u1ebfn l\u01b0u l\u01b0\u1ee3ng c\u00f4ng nghi\u1ec7p c\u1ea7n nam ch\u00e2m \u0111\u00e1ng tin c\u1eady, hi\u1ec7u su\u1ea5t cao. \u0110\u1ec3 bi\u1ebft c\u00e1ch qu\u1ea3n l\u00fd \u0111\u1ed9 b\u1ec1n c\u1ee7a nam ch\u00e2m trong m\u00f4i tr\u01b0\u1eddng \u1ea9m, tham kh\u1ea3o c\u00e1ch nam ch\u00e2m ho\u1ea1t \u0111\u1ed9ng d\u01b0\u1edbi n\u01b0\u1edbc.<\/li>\n<\/ul>\n<p><a href=\"https:\/\/en.wikipedia.org\/wiki\/Samarium%E2%80%93cobalt_magnet\" target=\"_blank\" rel=\"noopener\"><span style=\"color: #ff6600;\"><strong>Nam ch\u00e2m Cobalt Samarium (SmCo)<\/strong><\/span><\/a><\/p>\n<ul>\n<li><strong>L\u1ef1a ch\u1ecdn cao c\u1ea5p:<\/strong> Nh\u1eefng nam ch\u00e2m n\u00e0y c\u00f3 \u0111\u1ed9 m\u1ea1nh t\u1eeb l\u1edbn v\u00e0 kh\u1ea3 n\u0103ng ch\u1ecbu nhi\u1ec7t, \u0103n m\u00f2n v\u00e0 m\u1ea5t t\u1eeb t\u00ednh t\u1ed1t.<\/li>\n<li><strong>Ph\u00f9 h\u1ee3p nh\u1ea5t cho:<\/strong> M\u00f4i tr\u01b0\u1eddng kh\u1eafc nghi\u1ec7t ho\u1eb7c \u00f4 nhi\u1ec5m n\u01a1i \u0111\u1ed9 b\u1ec1n v\u00e0 hi\u1ec7u su\u1ea5t \u1ed5n \u0111\u1ecbnh l\u00e0 r\u1ea5t quan tr\u1ecdng, ch\u1eb3ng h\u1ea1n nh\u01b0 utilities n\u01b0\u1edbc c\u00f4ng nghi\u1ec7p.<\/li>\n<\/ul>\n<p><strong>Nam ch\u00e2m Alnico v\u00e0 nam ch\u00e2m ti\u00eam khu\u00f4n<\/strong><\/p>\n<ul>\n<li><strong>\u1ee8ng d\u1ee5ng ng niche:<\/strong> Nam ch\u00e2m Alnico c\u00f3 s\u1ef1 \u1ed5n \u0111\u1ecbnh nhi\u1ec7t t\u1ed1t nh\u01b0ng \u0111\u1ed9 m\u1ea1nh t\u1eeb th\u1ea5p h\u01a1n; nam ch\u00e2m ti\u00eam khu\u00f4n c\u00f3 th\u1ec3 tu\u1ef3 bi\u1ebfn h\u00ecnh d\u1ea1ng nh\u01b0ng th\u01b0\u1eddng \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng khi c\u1ea7n thi\u1ebft k\u1ebf \u0111\u1eb7c th\u00f9 thay v\u00ec ch\u1ec9 c\u00f3 s\u1ee9c m\u1ea1nh thu\u1ea7n t\u00fay.<\/li>\n<li><strong>Tr\u01b0\u1eddng h\u1ee3p s\u1eed d\u1ee5ng:<\/strong> H\u1ea1n ch\u1ebf, th\u01b0\u1eddng g\u1eb7p trong c\u00e1c \u1ee9ng d\u1ee5ng c\u1ea3m bi\u1ebfn l\u01b0u l\u01b0\u1ee3ng n\u01b0\u1edbc chuy\u00ean bi\u1ec7t ho\u1eb7c t\u00f9y ch\u1ec9nh n\u01a1i h\u00ecnh d\u1ea1ng v\u00e0 k\u00edch th\u01b0\u1edbc quan tr\u1ecdng h\u01a1n s\u1ee9c m\u1ea1nh gauss thu\u1ea7n t\u00fay.<\/li>\n<\/ul>\n<p>Vi\u1ec7c ch\u1ecdn nam ch\u00e2m ph\u00f9 h\u1ee3p ph\u1ee5 thu\u1ed9c ch\u1ee7 y\u1ebfu v\u00e0o vi\u1ec7c c\u00e2n b\u1eb1ng gi\u1eefa s\u1ee9c m\u1ea1nh t\u1eeb, \u0111i\u1ec1u ki\u1ec7n m\u00f4i tr\u01b0\u1eddng v\u00e0 chi ph\u00ed \u2014 t\u1ea5t c\u1ea3 \u0111\u1ec1u \u0111\u00f3ng vai tr\u00f2 \u0111\u1ea3m b\u1ea3o \u0111o l\u01b0u l\u01b0\u1ee3ng n\u01b0\u1edbc ch\u00ednh x\u00e1c.<\/p>\n<h2>Y\u1ebfu t\u1ed1 ch\u00ednh c\u1ea7n xem x\u00e9t khi ch\u1ecdn Nam ch\u00e2m t\u1ed1t cho \u0111\u1ed3ng h\u1ed3 n\u01b0\u1edbc<\/h2>\n<p>Vi\u1ec7c ch\u1ecdn nam ch\u00e2m cho \u0111\u1ed3ng h\u1ed3 n\u01b0\u1edbc ph\u00f9 h\u1ee3p ch\u1ec9 d\u1ef1a v\u00e0o m\u1ed9t v\u00e0i y\u1ebfu t\u1ed1 quan tr\u1ecdng. \u0110\u1ea7u ti\u00ean, <strong>\u0111\u1ed9 m\u1ea1nh t\u1eeb tr\u01b0\u1eddng<\/strong>, th\u01b0\u1eddng \u0111\u01b0\u1ee3c \u0111o b\u1eb1ng gauss, l\u00e0 r\u1ea5t quan tr\u1ecdng. Qu\u00e1 y\u1ebfu, nam ch\u00e2m s\u1ebd kh\u00f4ng gh\u00e9p n\u1ed1i \u0111\u00e1ng tin c\u1eady v\u1edbi c\u01a1 c\u1ea5u b\u00ean trong c\u1ee7a \u0111\u1ed3ng h\u1ed3; qu\u00e1 m\u1ea1nh, n\u00f3 c\u00f3 th\u1ec3 g\u00e2y nhi\u1ec5u ho\u1eb7c l\u00e0m h\u1ecfng. H\u00e3y nh\u1eafm t\u1edbi m\u1ed9t nam ch\u00e2m c\u00f3 x\u1ebfp h\u1ea1ng gauss ph\u00f9 h\u1ee3p d\u1ef1a tr\u00ean lo\u1ea1i \u0111\u1ed3ng h\u1ed3 c\u1ee7a b\u1ea1n \u0111\u1ec3 \u0111\u1ea3m b\u1ea3o \u0111\u1ed9 ch\u00ednh x\u00e1c v\u00e0 tu\u1ed5i th\u1ecd.<\/p>\n<p>Ti\u1ebfp theo, <strong>k\u00edch th\u01b0\u1edbc v\u00e0 h\u00ecnh d\u1ea1ng<\/strong> quy\u1ebft \u0111\u1ecbnh v\u00ec thi\u1ebft k\u1ebf \u0111\u1ed3ng h\u1ed3 n\u01b0\u1edbc kh\u00e1c nhau. M\u1ed9t nam ch\u00e2m c\u1ed3ng k\u1ec1nh c\u00f3 th\u1ec3 kh\u00f4ng v\u1eeba, trong khi h\u00ecnh d\u1ea1ng sai c\u00f3 th\u1ec3 kh\u00f4ng c\u0103n ch\u1ec9nh \u0111\u00fang v\u1edbi c\u1ea3m bi\u1ebfn d\u00f2ng n\u01b0\u1edbc ho\u1eb7c m\u1eb7t \u0111\u1ed3ng h\u1ed3. C\u00e1c h\u00ecnh d\u1ea1ng nam ch\u00e2m \u0111\u1ed3ng h\u1ed3 n\u01b0\u1edbc t\u00f9y ch\u1ec9nh c\u00f3 th\u1ec3 gi\u00fap ph\u00f9 h\u1ee3p v\u1edbi c\u00e1c \u0111\u1ed3ng h\u1ed3 \u0111\u1eb7c th\u00f9 ho\u1eb7c chuy\u00ean bi\u1ec7t m\u1ed9t c\u00e1ch hi\u1ec7u qu\u1ea3.<\/p>\n<p>\u0110\u1ed9 b\u1ec1n l\u00e0 m\u1ed9t \u0111i\u1ec3m quan tr\u1ecdng kh\u00e1c. V\u00ec \u0111\u1ed3ng h\u1ed3 n\u01b0\u1edbc th\u01b0\u1eddng n\u1eb1m \u1edf nh\u1eefng m\u00f4i tr\u01b0\u1eddng \u1ea9m \u01b0\u1edbt ho\u1eb7c \u0103n m\u1ed1c, nam ch\u00e2m n\u00ean \u0111i k\u00e8m v\u1edbi l\u1edbp b\u1ea3o v\u1ec7 <strong>l\u1edbp ph\u1ee7<\/strong> nh\u01b0 epoxy ho\u1eb7c l\u1edbp m\u1ea1 nickel \u0111\u1ec3 ch\u1ed1ng r\u1ec9 v\u00e0 ph\u00e2n h\u1ee7y. \u0110i\u1ec1u n\u00e0y b\u1ea3o v\u1ec7 s\u1ee9c m\u1ea1nh t\u1eeb theo th\u1eddi gian, \u0111\u1eb7c bi\u1ec7t \u0111\u1ed1i v\u1edbi l\u1eafp \u0111\u1eb7t ngo\u00e0i tr\u1eddi ho\u1eb7c d\u01b0\u1edbi \u0111\u1ea5t.<\/p>\n<p>Chi ph\u00ed so v\u1edbi hi\u1ec7u su\u1ea5t l\u00e0 m\u1ed9t y\u1ebfu t\u1ed1 th\u1ef1c t\u1ebf. C\u00e1c nam ch\u00e2m c\u00f3 hi\u1ec7u su\u1ea5t cao nh\u01b0 samarium-cobalt mang l\u1ea1i \u0111\u1ed9 b\u1ec1n v\u00e0 s\u1ee9c m\u1ea1nh tuy\u1ec7t v\u1eddi nh\u01b0ng c\u00f3 gi\u00e1 cao h\u01a1n. Ng\u01b0\u1ee3c l\u1ea1i, nam ch\u00e2m ferrite r\u1ebb v\u00e0 th\u00e2n thi\u1ec7n v\u1edbi ng\u00e2n s\u00e1ch nh\u01b0ng c\u00f3 th\u1ec3 thi\u1ebfu tu\u1ed5i th\u1ecd trong \u0111i\u1ec1u ki\u1ec7n kh\u1eafc nghi\u1ec7t. Vi\u1ec7c t\u00ecm s\u1ef1 c\u00e2n b\u1eb1ng ph\u00f9 h\u1ee3p ph\u1ee5 thu\u1ed9c v\u00e0o \u1ee9ng d\u1ee5ng v\u00e0 m\u00f4i tr\u01b0\u1eddng c\u1ee5 th\u1ec3 c\u1ee7a b\u1ea1n.<\/p>\n<p>Cu\u1ed1i c\u00f9ng, h\u00e3y \u0111\u1ea3m b\u1ea3o nam ch\u00e2m c\u1ee7a b\u1ea1n \u0111\u00e1p \u1ee9ng c\u00e1c <strong>ti\u00eau chu\u1ea9n ng\u00e0nh<\/strong> v\u1ec1 an to\u00e0n v\u00e0 hi\u1ec7u su\u1ea5t. S\u1eed d\u1ee5ng nam ch\u00e2m \u0111\u1ed3ng h\u1ed3 \u0111\u1ea1t chu\u1ea9n ISO \u0111\u1ea3m b\u1ea3o kh\u1ea3 n\u0103ng t\u01b0\u01a1ng th\u00edch v\u00e0 \u0111\u00e1ng tin c\u1eady, gi\u1ea3m c\u00e1c v\u1ea5n \u0111\u1ec1 nh\u01b0 nhi\u1ec5u t\u1eeb ho\u1eb7c m\u1ea5t t\u1eeb theo th\u1eddi gian.<\/p>\n<p>&nbsp;<\/p>\n<h2>\u0110\u1ec1 xu\u1ea5t h\u00e0ng \u0111\u1ea7u: Nh\u1eefng nam ch\u00e2m t\u1ed1t nh\u1ea5t cho \u0111\u1ed3ng h\u1ed3 \u0111o n\u01b0\u1edbc v\u1edbi c\u00e1c t\u00ecnh hu\u1ed1ng kh\u00e1c nhau<\/h2>\n<p>L\u1ef1a ch\u1ecdn nam ch\u00e2m ph\u00f9 h\u1ee3p cho \u0111\u1ed3ng h\u1ed3 \u0111o n\u01b0\u1edbc ph\u1ee5 thu\u1ed9c ph\u1ea7n l\u1edbn v\u00e0o lo\u1ea1i v\u00e0 m\u00f4i tr\u01b0\u1eddng. D\u01b0\u1edbi \u0111\u00e2y l\u00e0 c\u00e1c l\u1ef1a ch\u1ecdn h\u00e0ng \u0111\u1ea7u cho c\u00e1c t\u00ecnh hu\u1ed1ng kh\u00e1c nhau v\u1edbi c\u00e1c t\u00f9y ch\u1ecdn NBAEM b\u1ea1n c\u00f3 th\u1ec3 tin t\u01b0\u1edfng:<\/p>\n<table>\n<thead>\n<tr>\n<th>T\u00ecnh hu\u1ed1ng<\/th>\n<th>Lo\u1ea1i nam ch\u00e2m \u0111\u1ec1 xu\u1ea5t<\/th>\n<th>L\u1ee3i \u00edch ch\u00ednh<\/th>\n<th>\u0110i\u1ec3m n\u1ed5i b\u1eadt c\u1ee7a NBAEM<\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td><strong>\u0110\u1ed3ng h\u1ed3 n\u01b0\u1edbc d\u00e2n c\u01b0<\/strong><\/td>\n<td>Nam ch\u00e2m v\u00f2ng ferrite<\/td>\n<td>Hi\u1ec7u qu\u1ea3 v\u1ec1 chi ph\u00ed, ch\u1ed1ng \u0103n m\u00f2n<\/td>\n<td>C\u00f3 s\u1eb5n \u1edf k\u00edch th\u01b0\u1edbc t\u00f9y ch\u1ec9nh, g\u00f3i s\u1ed1 l\u01b0\u1ee3ng l\u1edbn ph\u00f9 h\u1ee3p cho ti\u1ec7n \u00edch<\/td>\n<\/tr>\n<tr>\n<td><strong>S\u1eed d\u1ee5ng th\u01b0\u01a1ng m\u1ea1i v\u00e0 c\u00f4ng nghi\u1ec7p<\/strong><\/td>\n<td>Nam ch\u00e2m Neodymium (NdFeB)<\/td>\n<td>Li\u00ean k\u1ebft t\u1eeb tr\u01b0\u1eddng m\u1ea1nh, gauss cao<\/td>\n<td>L\u1edbp ph\u1ee7 b\u1ec1n, tu\u00e2n th\u1ee7 ISO, h\u1ed7 tr\u1ee3 \u0111\u01a1n h\u00e0ng s\u1ed1 l\u01b0\u1ee3ng l\u1edbn<\/td>\n<\/tr>\n<tr>\n<td><strong>\u0110i\u1ec1u ki\u1ec7n kh\u1eafc nghi\u1ec7t\/\u00d4 nhi\u1ec5m<\/strong><\/td>\n<td>Nam ch\u00e2m Samarium Cobalt (SmCo)<\/td>\n<td>Kh\u1ea3 n\u0103ng ch\u1ecbu nhi\u1ec7t v\u00e0 \u0103n m\u1edd t\u1ed1t<\/td>\n<td>Nam ch\u00e2m SmCo \u0111\u01b0\u1ee3c s\u1ea3n xu\u1ea5t b\u1eb1ng quy tr\u00ecnh ti\u00ean ti\u1ebfn<strong><span style=\"color: #ff6600;\"> (<a style=\"color: #ff6600;\" href=\"https:\/\/nbaem.com\/vi\/how-are-smco-magnets-made\/\" target=\"_blank\" rel=\"noopener\">xem c\u00e1ch nam ch\u00e2m SmCo \u0111\u01b0\u1ee3c s\u1ea3n xu\u1ea5t<\/a>)<\/span><\/strong><\/td>\n<\/tr>\n<tr>\n<td><strong>Chuy\u00ean d\u1ee5ng \u00edt giao thoa<\/strong><\/td>\n<td>Nam ch\u00e2m Alnico ho\u1eb7c ti\u00eam khu\u00f4n<\/td>\n<td>\u0110\u1ea7u ra t\u1eeb t\u00ednh \u1ed5n \u0111\u1ecbnh, \u1ee9ng d\u1ee5ng ng\u00e1ch<\/td>\n<td>K\u00edch th\u01b0\u1edbc t\u00f9y ch\u1ec9nh c\u00f3 s\u1eb5n cho thi\u1ebft k\u1ebf \u0111\u1ed3ng h\u1ed3 \u0111o c\u1ee5 th\u1ec3<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<h3>T\u1ea1i sao nh\u1eefng nam ch\u00e2m n\u00e0y ho\u1ea1t \u0111\u1ed9ng t\u1ed1t nh\u1ea5t<\/h3>\n<ul>\n<li><strong>Nam ch\u00e2m ferrite<\/strong> r\u1ea5t tuy\u1ec7t cho \u0111\u1ed3ng h\u1ed3 n\u01b0\u1edbc d\u00e2n d\u1ee5ng h\u00e0ng ng\u00e0y nh\u1edd gi\u00e1 th\u00e0nh ph\u1ea3i ch\u0103ng v\u00e0 kh\u1ea3 n\u0103ng ch\u1ed1ng \u0103n m\u00f2n t\u1ed1t.<\/li>\n<li><strong>Nam ch\u00e2m Neodymium<\/strong> ti\u00eau th\u1ee5 l\u1ef1c t\u1eeb tr\u01b0\u1eddng m\u1ea1nh c\u1ea7n thi\u1ebft trong m\u00f4i tr\u01b0\u1eddng th\u01b0\u01a1ng m\u1ea1i ho\u1eb7c c\u00f4ng nghi\u1ec7p b\u1eadn r\u1ed9n, n\u00e2ng cao \u0111\u1ed9 ch\u00ednh x\u00e1c c\u1ee7a \u0111\u1ed3ng h\u1ed3 d\u00f9 c\u00f3 nguy c\u01a1 nhi\u1ec5u.<\/li>\n<li><strong>Nam ch\u00e2m Samarium Cobalt<\/strong> ch\u1ecbu \u0111\u01b0\u1ee3c \u0111i\u1ec1u ki\u1ec7n kh\u1eafc nghi\u1ec7t, l\u00e0m cho ch\u00fang l\u00fd t\u01b0\u1edfng cho c\u00e1c \u0111\u1ed3ng h\u1ed3 ti\u1ebfp x\u00fac v\u1edbi nhi\u1ec7t \u0111\u1ed9 cao ho\u1eb7c h\u00f3a ch\u1ea5t.<\/li>\n<li>\u0110\u1ed1i v\u1edbi nh\u1eefng \u0111\u1ed3ng h\u1ed3 y\u00eau c\u1ea7u nhi\u1ec5u t\u1eeb ho\u1eb7c thi\u1ebft k\u1ebf \u0111\u1eb7c bi\u1ec7t \u1edf m\u1ee9c t\u1ed1i thi\u1ec3u, <strong>Nam ch\u00e2m Alnico v\u00e0 nam ch\u00e2m \u0111\u01b0\u1ee3c \u0111\u00fac b\u1eb1ng qu\u00e1 tr\u00ecnh ti\u00eam<\/strong> \u0111em l\u1ea1i hi\u1ec7u su\u1ea5t \u1ed5n \u0111\u1ecbnh.<\/li>\n<\/ul>\n<h3>Gi\u1ea3i ph\u00e1p s\u1ed1 l\u01b0\u1ee3ng l\u1edbn &amp; T\u00f9y bi\u1ebfn NBAEM<\/h3>\n<p>NBAEM h\u1ed7 tr\u1ee3 nhu c\u1ea7u cung c\u1ea5p quy m\u00f4 l\u1edbn v\u1edbi c\u00e1c t\u00f9y ch\u1ecdn nam ch\u00e2m s\u1ed1 l\u01b0\u1ee3ng l\u1edbn \u0111\u01b0\u1ee3c thi\u1ebft k\u1ebf d\u00e0nh cho c\u00e1c c\u00f4ng ty ti\u1ec7n \u00edch. B\u00ean c\u1ea1nh \u0111\u00f3, h\u00ecnh d\u1ea1ng nam ch\u00e2m v\u00e0 l\u1edbp ph\u1ee7 t\u00f9y ch\u1ec9nh c\u1ee7a h\u1ecd \u0111\u1ea3m b\u1ea3o t\u01b0\u01a1ng th\u00edch v\u1edbi nhi\u1ec1u thi\u1ebft k\u1ebf c\u1ea3m bi\u1ebfn l\u01b0u l\u01b0\u1ee3ng n\u01b0\u1edbc kh\u00e1c nhau.<\/p>\n<p>Ch\u1ecdn nam ch\u00e2m ph\u00f9 h\u1ee3p t\u1eeb NBAEM gi\u00fap duy tr\u00ec \u0111\u1ed9 ch\u00ednh x\u00e1c v\u00e0 tu\u1ed5i th\u1ecd c\u1ee7a \u0111\u1ed3ng h\u1ed3 n\u01b0\u1edbc, gi\u1ea3m th\u1eddi gian ng\u1eebng ho\u1ea1t \u0111\u1ed9ng v\u00e0 chi ph\u00ed b\u1ea3o tr\u00ec. \u0110\u1ed1i v\u1edbi th\u00f4ng s\u1ed1 k\u1ef9 thu\u1eadt chi ti\u1ebft v\u00e0 h\u01b0\u1edbng d\u1eabn, chuy\u00ean m\u00f4n c\u1ee7a NBAEM l\u00e0 ngu\u1ed3n t\u00e0i nguy\u00ean v\u1eefng ch\u1eafc.<\/p>\n<h2>C\u00e1c th\u1ef1c ti\u1ec5n l\u1eafp \u0111\u1eb7t t\u1ed1t v\u00e0 kh\u1eafc ph\u1ee5c s\u1ef1 c\u1ed1 ph\u1ed5 bi\u1ebfn<\/h2>\n<p>L\u1eafp \u0111\u1eb7t \u0111\u00fang c\u00e1ch l\u00e0 ch\u00eca kh\u00f3a \u0111\u1ec3 t\u1eadn d\u1ee5ng t\u1ed1i \u0111a nam ch\u00e2m \u0111\u1ed3ng h\u1ed3 n\u01b0\u1edbc c\u1ee7a b\u1ea1n. D\u01b0\u1edbi \u0111\u00e2y l\u00e0 h\u01b0\u1edbng d\u1eabn t\u1eebng b\u01b0\u1edbc \u0111\u01a1n gi\u1ea3n \u0111\u1ec3 gi\u00fap b\u1ea1n l\u1eafp \u0111\u1eb7t v\u00e0 b\u1ea3o tr\u00ec nam ch\u00e2m cho hi\u1ec7u su\u1ea5t t\u1ed1i \u01b0u:<\/p>\n<h3>H\u01b0\u1edbng d\u1eabn l\u1eafp \u0111\u1eb7t t\u1eebng b\u01b0\u1edbc<\/h3>\n<ul>\n<li><strong>Ch\u1ecdn k\u00edch th\u01b0\u1edbc v\u00e0 lo\u1ea1i nam ch\u00e2m ph\u00f9 h\u1ee3p<\/strong> cho \u0111\u1ed3ng h\u1ed3 n\u01b0\u1edbc c\u1ee7a b\u1ea1n\u2014ki\u1ec3m tra th\u00f4ng s\u1ed1 nh\u00e0 s\u1ea3n xu\u1ea5t ho\u1eb7c tham kh\u1ea3o c\u00e1c chuy\u00ean gia n\u1ebfu kh\u00f4ng ch\u1eafc ch\u1eafn.<\/li>\n<li><strong>L\u00e0m s\u1ea1ch b\u1ec1 m\u1eb7t \u0111\u1ed3ng h\u1ed3 \u0111o m\u1ed9t c\u00e1ch k\u1ef9 l\u01b0\u1ee1ng<\/strong> tr\u01b0\u1edbc khi \u0111\u1eb7t nam ch\u00e2m \u0111\u1ec3 \u0111\u1ea3m b\u1ea3o s\u1ef1 gh\u00e9p t\u1eeb t\u00ednh t\u1ed1t v\u00e0 tr\u00e1nh tr\u01b0\u1ee3t.<\/li>\n<li><strong>\u0110\u1eb7t nam ch\u00e2m m\u1ed9t c\u00e1ch c\u1ea9n th\u1eadn<\/strong> v\u1edbi \u0111i\u1ec3m gh\u00e9p t\u1eeb t\u00ednh c\u1ee7a \u0111\u1ed3ng h\u1ed3 \u0111o \u2014 s\u1ef1 l\u1ec7ch h\u01b0\u1edbng c\u00f3 th\u1ec3 d\u1eabn t\u1edbi k\u1ebft qu\u1ea3 \u0111o kh\u00f4ng ch\u00ednh x\u00e1c ho\u1eb7c \u0111\u1ed3ng h\u1ed3 \u0111o b\u1ecb h\u1ecfng.<\/li>\n<li>S\u1eed d\u1ee5ng d\u1ee5ng c\u1ee5 c\u01a1 b\u1ea3n nh\u01b0 th\u01b0\u1edbc v\u00e0 m\u00e1y c\u00e2n b\u1eb1ng \u0111\u1ec3 \u0111\u1ea3m b\u1ea3o v\u1ecb tr\u00ed \u0111\u00fang.<\/li>\n<li>An to\u00e0n nam ch\u00e2m m\u1ed9t c\u00e1ch v\u1eefng ch\u1eafc nh\u01b0ng tr\u00e1nh \u00e1p l\u1ef1c qu\u00e1 m\u1ea1nh c\u00f3 th\u1ec3 l\u00e0m h\u1ecfng \u0111\u1ed3ng h\u1ed3 \u0111o ho\u1eb7c nam ch\u00e2m.<\/li>\n<\/ul>\n<h3>B\u1ea3o tr\u00ec th\u01b0\u1eddng xuy\u00ean v\u00e0 ki\u1ec3m tra m\u1ea5t t\u1eeb t\u00ednh<\/h3>\n<ul>\n<li><strong>Ki\u1ec3m tra nam ch\u00e2m th\u01b0\u1eddng xuy\u00ean c\u00f3 d\u1ea5u hi\u1ec7u m\u00f2n ho\u1eb7c \u0103n m\u1eb7n<\/strong>, \u0111\u1eb7c bi\u1ec7t trong m\u00f4i tr\u01b0\u1eddng \u1ea9m \u01b0\u1edbt ho\u1eb7c \u00f4 nhi\u1ec5m.<\/li>\n<li><strong>Ki\u1ec3m tra \u0111\u1ed9 m\u1ea1nh t\u1eeb (m\u1ee9c gauss)<\/strong> n\u1ebfu c\u00f3 th\u1ec3; nam ch\u00e2m y\u1ebfu c\u00f3 th\u1ec3 \u1ea3nh h\u01b0\u1edfng \u0111\u1ebfn \u0111\u1ed9 ch\u00ednh x\u00e1c c\u1ee7a \u0111\u1ed3ng h\u1ed3 \u0111o.<\/li>\n<li><strong>Ch\u00fa \u00fd \u0111\u1ebfn c\u00e1c hi\u1ec7n t\u01b0\u1ee3ng m\u1ea5t t\u1eeb t\u00ednh<\/strong> do s\u1ef1 bi\u1ebfn \u0111\u1ed5i nhi\u1ec7t \u0111\u1ed9 ho\u1eb7c t\u1eeb tr\u01b0\u1eddng b\u00ean ngo\u00e0i g\u00e2y ra.<\/li>\n<li>Thay nam ch\u00e2m c\u1ee7a b\u1ea1n khi b\u1ea1n nh\u1eadn th\u1ea5y b\u1ea5t k\u1ef3 suy gi\u1ea3m hi\u1ec7u su\u1ea5t ho\u1eb7c h\u1ecfng r\u00f5 r\u00e0ng.<\/li>\n<\/ul>\n<h3>Kh\u1eafc ph\u1ee5c s\u1ef1 c\u1ed1 ph\u1ed5 bi\u1ebfn v\u00e0 n\u00e2ng c\u1ea5p<\/h3>\n<ul>\n<li><strong>\u0110\u1ecdc sai s\u1ed1 \u0111\u1ed3ng h\u1ed3 \u0111o:<\/strong> Th\u01b0\u1eddng do l\u1ec7ch b\u1ed1 tr\u00ed nam ch\u00e2m ho\u1eb7c l\u1ef1c t\u1eeb y\u1ebfu. \u0110i\u1ec1u ch\u1ec9nh l\u1ea1i ho\u1eb7c thay nam ch\u00e2m.<\/li>\n<li><strong>Nhi\u1ec5u t\u1eeb:<\/strong> C\u00e1c thi\u1ebft b\u1ecb \u0111i\u1ec7n Nearby ho\u1eb7c nam ch\u00e2m m\u1ea1nh c\u00f3 th\u1ec3 \u1ea3nh h\u01b0\u1edfng \u0111\u1ebfn ho\u1ea1t \u0111\u1ed9ng c\u1ee7a \u0111\u1ed3ng h\u1ed3 n\u01b0\u1edbc. Duy tr\u00ec kho\u1ea3ng c\u00e1ch h\u1ee3p l\u00fd ho\u1eb7c s\u1eed d\u1ee5ng gi\u1ea3i ph\u00e1p che ch\u1eafn.<\/li>\n<li><strong>V\u1ea5n \u0111\u1ec1 l\u1eafp \u0111\u1eb7t:<\/strong> N\u1ebfu nam ch\u00e2m kh\u00f4ng gi\u1eef ch\u1eb7t ho\u1eb7c b\u1ecb l\u1ec7ch, h\u00e3y ki\u1ec3m tra b\u1ec1 m\u1eb7t v\u00e0 ph\u01b0\u01a1ng ph\u00e1p l\u1eafp \u0111\u1eb7t.<\/li>\n<li><strong>N\u00e2ng c\u1ea5p nam ch\u00e2m:<\/strong> Xem x\u00e9t n\u00e2ng c\u1ea5p l\u00ean nam ch\u00e2m neodymium c\u00f3 gauss cao \u0111\u1ec3 c\u00f3 s\u1ef1 gh\u00e9p t\u1eeb v\u00e0 \u0111\u1ed9 b\u1ec1n t\u1ed1t h\u01a1n, \u0111\u1eb7c bi\u1ec7t trong m\u00f4i tr\u01b0\u1eddng th\u01b0\u01a1ng m\u1ea1i.<\/li>\n<\/ul>\n<p>&nbsp;<\/p>\n<h2>T\u1ea1i sao ch\u1ecdn NBAEM cho nhu c\u1ea7u nam ch\u00e2m cho \u0111\u1ed3ng h\u1ed3 n\u01b0\u1edbc<\/h2>\n<p>Khi n\u00f3i \u0111\u1ebfn nam ch\u00e2m \u0111\u1ed3ng h\u1ed3 n\u01b0\u1edbc, NBAEM n\u1ed5i b\u1eadt v\u1edbi m\u1ed9t s\u1ed1 l\u00fd do ch\u00ednh:<\/p>\n<table>\n<thead>\n<tr>\n<th>\u0110\u1eb7c \u0111i\u1ec3m<\/th>\n<th>\u00dd ngh\u0129a \u0111\u1ed1i v\u1edbi b\u1ea1n<\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td><strong>Chuy\u00ean m\u00f4n &amp; ch\u1ea5t l\u01b0\u1ee3ng s\u1ea3n xu\u1ea5t<\/strong><\/td>\n<td>NBAEM s\u1eed d\u1ee5ng v\u1eadt li\u1ec7u t\u1eeb t\u00ednh ti\u00ean ti\u1ebfn v\u00e0 ki\u1ec3m so\u00e1t ch\u1ea5t l\u01b0\u1ee3ng \u0111\u1ec3 cung c\u1ea5p nam ch\u00e2m c\u00f3 gauss cao nh\u1ea5t qu\u00e1n, ho\u00e0n h\u1ea3o cho gh\u00e9p t\u1eeb c\u1ee7a \u0111\u1ed3ng h\u1ed3 n\u01b0\u1edbc. \u0110i\u1ec1u n\u00e0y \u0111\u1ea3m b\u1ea3o \u0111\u1ed9 ch\u00ednh x\u00e1c v\u00e0 \u0111\u1ed9 b\u1ec1n.<\/td>\n<\/tr>\n<tr>\n<td><strong>T\u00f9y ch\u1ecdn t\u00f9y ch\u1ec9nh<\/strong><\/td>\n<td>C\u1ea7n k\u00edch th\u01b0\u1edbc, h\u00ecnh d\u1ea1ng ho\u1eb7c l\u1edbp ph\u1ee7 c\u1ee5 th\u1ec3? NBAEM cung c\u1ea5p c\u00e1c h\u00ecnh d\u1ea1ng nam ch\u00e2m \u0111\u1ed3ng h\u1ed3 n\u01b0\u1edbc t\u00f9y ch\u1ec9nh v\u00e0 c\u01b0\u1eddng \u0111\u1ed9 t\u1eeb t\u00ednh \u0111\u01b0\u1ee3c thi\u1ebft k\u1ebf ri\u00eang \u0111\u1ec3 v\u1eeba v\u1edbi c\u1ea3m bi\u1ebfn d\u00f2ng n\u01b0\u1edbc ho\u1eb7c thi\u1ebft k\u1ebf \u0111\u1ed3ng h\u1ed3 c\u1ee7a b\u1ea1n.<\/td>\n<\/tr>\n<tr>\n<td><strong>To\u00e0n c\u1ea7u H\u1ed7 tr\u1ee3<\/strong><\/td>\n<td>Cho d\u00f9 b\u1ea1n \u1edf khu d\u00e2n c\u01b0, th\u01b0\u01a1ng m\u1ea1i hay c\u00f4ng nghi\u1ec7p tr\u00ean to\u00e0n th\u1ebf gi\u1edbi, NBAEM cung c\u1ea5p h\u1ed7 tr\u1ee3 \u0111\u00e1ng tin c\u1eady v\u00e0 giao h\u00e0ng \u0111\u00fang h\u1eb9n.<\/td>\n<\/tr>\n<tr>\n<td><strong>Th\u00e0nh c\u00f4ng \u0111\u01b0\u1ee3c ch\u1ee9ng th\u1ef1c b\u1eb1ng tr\u01b0\u1eddng h\u1ee3p<\/strong><\/td>\n<td>Nhi\u1ec1u kh\u00e1ch h\u00e0ng tr\u00ean kh\u1eafp th\u1ebf gi\u1edbi tin t\u01b0\u1edfng NBAEM cho vi\u1ec7c l\u1eafp \u0111\u1eb7t \u0111\u1ed3ng h\u1ed3 n\u01b0\u1edbc, \u0111\u00e1nh gi\u00e1 cao s\u1ef1 c\u00e2n b\u1eb1ng gi\u1eefa m\u1ee9c gi\u00e1 h\u1ee3p l\u00fd v\u00e0 nam ch\u00e2m hi\u1ec7u su\u1ea5t cao.<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<p>Ch\u1ecdn NBAEM c\u00f3 ngh\u0129a b\u1ea1n c\u00f3 m\u1ed9t \u0111\u1ed1i t\u00e1c \u0111\u00e1ng tin c\u1eady v\u1edbi nhi\u1ec1u hi\u1ec3u bi\u1ebft s\u00e2u s\u1eafc v\u1ec1<strong><span style=\"color: #ff6600;\"> <a style=\"color: #ff6600;\" href=\"https:\/\/nbaem.com\/vi\/magnets-used-in-electronics-and-computers\/\" target=\"_blank\" rel=\"noopener\">nam ch\u00e2m \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng trong \u0111i\u1ec7n t\u1eed v\u00e0 m\u00e1y t\u00ednh<\/a><\/span><\/strong>, \u0111\u01b0\u1ee3c t\u1ed1i \u01b0u h\u00f3a cho c\u00e1c \u1ee9ng d\u1ee5ng \u0111\u1ed3ng h\u1ed3 n\u01b0\u1edbc c\u0169ng nh\u01b0 v\u1eady.<\/p>\n<p>N\u1ebfu b\u1ea1n mu\u1ed1n m\u1ed9t nh\u00e0 cung c\u1ea5p \u0111\u00e1ng tin c\u1eady c\u00f3 th\u1ec3 x\u1eed l\u00fd m\u00f4i tr\u01b0\u1eddng kh\u1eafc nghi\u1ec7t v\u00e0 \u0111\u01a1n h\u00e0ng s\u1ed1 l\u01b0\u1ee3ng l\u1edbn cho ti\u1ec7n \u00edch, NBAEM n\u00ean l\u00e0 s\u1ef1 l\u1ef1a ch\u1ecdn c\u1ee7a b\u1ea1n cho nam ch\u00e2m \u0111\u1ed3ng h\u1ed3 n\u01b0\u1edbc cao c\u1ea5p.<\/p>\n<hr \/>\n<p>S\u1ef1 k\u1ebft h\u1ee3p gi\u1eefa s\u1ea3n xu\u1ea5t cao c\u1ea5p, gi\u1ea3i ph\u00e1p t\u00f9y ch\u1ec9nh v\u00e0 ph\u1ea1m vi to\u00e0n c\u1ea7u l\u00e0m cho NBAEM tr\u1edf th\u00e0nh l\u1ef1a ch\u1ecdn l\u00fd t\u01b0\u1edfng cho nhu c\u1ea7u nam ch\u00e2m \u0111\u1ed3ng h\u1ed3 n\u01b0\u1edbc c\u1ee7a b\u1ea1n.<\/p>","protected":false},"excerpt":{"rendered":"<p>Kh\u00e1m ph\u00e1 nam ch\u00e2m t\u1ed1t nh\u1ea5t cho \u0111\u1ed3ng h\u1ed3 n\u01b0\u1edbc so s\u00e1nh l\u1ef1a ch\u1ecdn neodymium ferrite v\u00e0 SmCo \u0111\u1ec3 \u0111\u00e1nh gi\u00e1 \u0111\u1ed9 ch\u00ednh x\u00e1c, \u0111\u1ed9 b\u1ec1n v\u00e0 chi ph\u00ed h\u1ee3p l\u00fd cho \u0111o l\u01b0u l\u01b0\u1ee3ng n\u01b0\u1edbc<\/p>","protected":false},"author":1,"featured_media":3516,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"om_disable_all_campaigns":false,"_mi_skip_tracking":false,"footnotes":""},"categories":[1],"tags":[],"class_list":["post-3477","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-uncategorized"],"jetpack_featured_media_url":"https:\/\/nbaem.com\/wp-content\/uploads\/2025\/11\/magnet-for-water-meter.jpg","_links":{"self":[{"href":"https:\/\/nbaem.com\/vi\/wp-json\/wp\/v2\/posts\/3477","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/nbaem.com\/vi\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/nbaem.com\/vi\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/nbaem.com\/vi\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/nbaem.com\/vi\/wp-json\/wp\/v2\/comments?post=3477"}],"version-history":[{"count":1,"href":"https:\/\/nbaem.com\/vi\/wp-json\/wp\/v2\/posts\/3477\/revisions"}],"predecessor-version":[{"id":3517,"href":"https:\/\/nbaem.com\/vi\/wp-json\/wp\/v2\/posts\/3477\/revisions\/3517"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/nbaem.com\/vi\/wp-json\/wp\/v2\/media\/3516"}],"wp:attachment":[{"href":"https:\/\/nbaem.com\/vi\/wp-json\/wp\/v2\/media?parent=3477"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/nbaem.com\/vi\/wp-json\/wp\/v2\/categories?post=3477"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/nbaem.com\/vi\/wp-json\/wp\/v2\/tags?post=3477"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}