{"id":1206,"date":"2021-05-30T15:36:29","date_gmt":"2021-05-30T15:36:29","guid":{"rendered":"https:\/\/hitechcal.com\/?p=1206"},"modified":"2021-06-04T09:33:57","modified_gmt":"2021-06-04T09:33:57","slug":"hieu-chuan-linh-vuc-dien-tan-so","status":"publish","type":"post","link":"https:\/\/hitechcal.com\/vn\/?p=1206","title":{"rendered":"Hi\u1ec7u Chu\u1ea9n \u0110i\u1ec7n &#8211; Electrical Calibration"},"content":{"rendered":"\n<p><strong><span style=\"color:#2106e9\" class=\"has-inline-color\">1. Ngu\u1ed3n ph\u00e1t DC \u2013 DC Power Supply &nbsp;<\/span><\/strong><\/p>\n\n\n\n<figure class=\"is-layout-flex wp-block-gallery-1 wp-block-gallery columns-3 is-cropped\"><ul class=\"blocks-gallery-grid\"><li class=\"blocks-gallery-item\"><figure><img decoding=\"async\" loading=\"lazy\" width=\"675\" height=\"843\" src=\"https:\/\/hitechcal.com\/wp-content\/uploads\/2021\/06\/Ngu\u1ed3n-\u0110i\u1ec7n-\u00c1p-DC-1.jpg\" alt=\"\" data-id=\"1486\" data-full-url=\"https:\/\/hitechcal.com\/wp-content\/uploads\/2021\/06\/Ngu\u1ed3n-\u0110i\u1ec7n-\u00c1p-DC-1.jpg\" data-link=\"https:\/\/hitechcal.com\/hieu-chuan-linh-vuc-dien-tan-so.html\/nguon-dien-ap-dc-1\" class=\"wp-image-1486\" srcset=\"https:\/\/hitechcal.com\/vn\/wp-content\/uploads\/2021\/06\/Ngu\u1ed3n-\u0110i\u1ec7n-\u00c1p-DC-1.jpg 675w, https:\/\/hitechcal.com\/vn\/wp-content\/uploads\/2021\/06\/Ngu\u1ed3n-\u0110i\u1ec7n-\u00c1p-DC-1-240x300.jpg 240w\" sizes=\"(max-width: 675px) 100vw, 675px\" \/><\/figure><\/li><li class=\"blocks-gallery-item\"><figure><img decoding=\"async\" loading=\"lazy\" width=\"576\" height=\"1024\" src=\"https:\/\/hitechcal.com\/wp-content\/uploads\/2021\/06\/Ngu\u1ed3n-\u0110i\u1ec7n-\u00c1p-DC-2-576x1024.jpg\" alt=\"\" data-id=\"1487\" data-full-url=\"https:\/\/hitechcal.com\/wp-content\/uploads\/2021\/06\/Ngu\u1ed3n-\u0110i\u1ec7n-\u00c1p-DC-2.jpg\" data-link=\"https:\/\/hitechcal.com\/hieu-chuan-linh-vuc-dien-tan-so.html\/nguon-dien-ap-dc-2\" class=\"wp-image-1487\" srcset=\"https:\/\/hitechcal.com\/vn\/wp-content\/uploads\/2021\/06\/Ngu\u1ed3n-\u0110i\u1ec7n-\u00c1p-DC-2-576x1024.jpg 576w, https:\/\/hitechcal.com\/vn\/wp-content\/uploads\/2021\/06\/Ngu\u1ed3n-\u0110i\u1ec7n-\u00c1p-DC-2-169x300.jpg 169w, https:\/\/hitechcal.com\/vn\/wp-content\/uploads\/2021\/06\/Ngu\u1ed3n-\u0110i\u1ec7n-\u00c1p-DC-2.jpg 720w\" sizes=\"(max-width: 576px) 100vw, 576px\" \/><\/figure><\/li><li class=\"blocks-gallery-item\"><figure><img decoding=\"async\" loading=\"lazy\" width=\"610\" height=\"962\" src=\"https:\/\/hitechcal.com\/wp-content\/uploads\/2021\/06\/Ngu\u1ed3n-\u0110i\u1ec7n-\u00c1p-DC-3.jpg\" alt=\"\" data-id=\"1488\" data-full-url=\"https:\/\/hitechcal.com\/wp-content\/uploads\/2021\/06\/Ngu\u1ed3n-\u0110i\u1ec7n-\u00c1p-DC-3.jpg\" data-link=\"https:\/\/hitechcal.com\/hieu-chuan-linh-vuc-dien-tan-so.html\/nguon-dien-ap-dc-3\" class=\"wp-image-1488\" srcset=\"https:\/\/hitechcal.com\/vn\/wp-content\/uploads\/2021\/06\/Ngu\u1ed3n-\u0110i\u1ec7n-\u00c1p-DC-3.jpg 610w, https:\/\/hitechcal.com\/vn\/wp-content\/uploads\/2021\/06\/Ngu\u1ed3n-\u0110i\u1ec7n-\u00c1p-DC-3-190x300.jpg 190w\" sizes=\"(max-width: 610px) 100vw, 610px\" \/><\/figure><\/li><\/ul><\/figure>\n\n\n\n<p>\u0110i\u1ec7p \u00e1p th\u00f4ng th\u01b0\u1eddng c\u1ee7a lo\u1ea1i ngu\u1ed3n n\u00e0y th\u01b0\u1eddng \u0111i\u1ec1u ch\u1ec9nh \u0111\u01b0\u1ee3c t\u1eeb 0 ~ 60V, v\u00e0 d\u00f2ng \u0111i\u1ec7n c\u00f3 th\u1ec3&nbsp; ch\u1ecdn t\u1eeb 0 ~ 20A. C\u00e1c lo\u1ea1i ngu\u1ed3n n\u00e0y th\u01b0\u1eddng \u0111\u01b0\u1ee3c th\u1ea5y t\u1ea1i c\u00e1c trung t\u00e2m b\u1ea3o h\u00e0nh, trung t\u00e2m nghi\u00ean c\u1ee9u, \u0111i\u1ec3m s\u1eeda ch\u1eefa \u0111i\u1ec7n t\u1eed, trung t\u00e2m th\u1ef1c h\u00e0nh vv\u2026&nbsp;<\/p>\n\n\n\n<p><strong><span style=\"color:#2b05e9\" class=\"has-inline-color\">2. \u0110\u1ed3ng h\u1ed3 v\u1ea1n n\u0103ng \u2013 Digital Multimeter<\/span><\/strong><\/p>\n\n\n\n<figure class=\"is-layout-flex wp-block-gallery-3 wp-block-gallery columns-3 is-cropped\"><ul class=\"blocks-gallery-grid\"><li class=\"blocks-gallery-item\"><figure><img decoding=\"async\" loading=\"lazy\" width=\"935\" height=\"1024\" src=\"https:\/\/hitechcal.com\/wp-content\/uploads\/2021\/06\/\u0110\u1ed3ng-h\u1ed3-v\u1ea1n-n\u0103ng-\u2013-Digital-Multimeter1-935x1024.jpg\" alt=\"\" data-id=\"1610\" data-link=\"https:\/\/hitechcal.com\/hieu-chuan-linh-vuc-dien-tan-so.html\/dong-ho-van-nang-digital-multimeter1\" class=\"wp-image-1610\" srcset=\"https:\/\/hitechcal.com\/vn\/wp-content\/uploads\/2021\/06\/\u0110\u1ed3ng-h\u1ed3-v\u1ea1n-n\u0103ng-\u2013-Digital-Multimeter1-935x1024.jpg 935w, https:\/\/hitechcal.com\/vn\/wp-content\/uploads\/2021\/06\/\u0110\u1ed3ng-h\u1ed3-v\u1ea1n-n\u0103ng-\u2013-Digital-Multimeter1-274x300.jpg 274w, https:\/\/hitechcal.com\/vn\/wp-content\/uploads\/2021\/06\/\u0110\u1ed3ng-h\u1ed3-v\u1ea1n-n\u0103ng-\u2013-Digital-Multimeter1-768x841.jpg 768w, https:\/\/hitechcal.com\/vn\/wp-content\/uploads\/2021\/06\/\u0110\u1ed3ng-h\u1ed3-v\u1ea1n-n\u0103ng-\u2013-Digital-Multimeter1-816x893.jpg 816w, https:\/\/hitechcal.com\/vn\/wp-content\/uploads\/2021\/06\/\u0110\u1ed3ng-h\u1ed3-v\u1ea1n-n\u0103ng-\u2013-Digital-Multimeter1.jpg 1012w\" sizes=\"(max-width: 935px) 100vw, 935px\" \/><\/figure><\/li><li class=\"blocks-gallery-item\"><figure><img decoding=\"async\" loading=\"lazy\" width=\"768\" height=\"1024\" src=\"https:\/\/hitechcal.com\/wp-content\/uploads\/2021\/06\/1-2-768x1024.jpg\" alt=\"\" data-id=\"1431\" data-link=\"https:\/\/hitechcal.com\/hieu-chuan-linh-vuc-dien-tan-so.html\/1-2-3\" class=\"wp-image-1431\" srcset=\"https:\/\/hitechcal.com\/vn\/wp-content\/uploads\/2021\/06\/1-2-768x1024.jpg 768w, https:\/\/hitechcal.com\/vn\/wp-content\/uploads\/2021\/06\/1-2-225x300.jpg 225w, https:\/\/hitechcal.com\/vn\/wp-content\/uploads\/2021\/06\/1-2-1152x1536.jpg 1152w, https:\/\/hitechcal.com\/vn\/wp-content\/uploads\/2021\/06\/1-2-1536x2048.jpg 1536w, https:\/\/hitechcal.com\/vn\/wp-content\/uploads\/2021\/06\/1-2-816x1088.jpg 816w, https:\/\/hitechcal.com\/vn\/wp-content\/uploads\/2021\/06\/1-2.jpg 1920w\" sizes=\"(max-width: 768px) 100vw, 768px\" \/><\/figure><\/li><li class=\"blocks-gallery-item\"><figure><img decoding=\"async\" loading=\"lazy\" width=\"160\" height=\"187\" src=\"https:\/\/hitechcal.com\/wp-content\/uploads\/2021\/06\/\u0110\u1ed3ng-h\u1ed3-v\u1ea1n-n\u0103ng-\u2013-Digital-Multimeter2-1.jpg\" alt=\"\" data-id=\"1612\" data-full-url=\"https:\/\/hitechcal.com\/wp-content\/uploads\/2021\/06\/\u0110\u1ed3ng-h\u1ed3-v\u1ea1n-n\u0103ng-\u2013-Digital-Multimeter2-1.jpg\" data-link=\"https:\/\/hitechcal.com\/hieu-chuan-linh-vuc-dien-tan-so.html\/dong-ho-van-nang-digital-multimeter2-1\" class=\"wp-image-1612\"\/><\/figure><\/li><\/ul><\/figure>\n\n\n\n<p>\u0110\u1ed3ng h\u1ed3 v\u1ea1n n\u0103ng hay v\u1ea1n n\u0103ng k\u1ebf l\u00e0 m\u1ed9t d\u1ee5ng c\u1ee5 \u0111o l\u01b0\u1eddng \u0111i\u1ec7n c\u00f3 nhi\u1ec1u ch\u1ee9c n\u0103ng, nh\u1ecf g\u1ecdn d\u00f9ng cho \u0111o ki\u1ec3m tra m\u1ea1ch \u0111i\u1ec7n ho\u1eb7c m\u1ea1ch \u0111i\u1ec7n t\u1eed.<\/p>\n\n\n\n<p>C\u00e1c \u0111\u1ed3ng h\u1ed3 v\u1ea1n n\u0103ng tr\u01b0\u1edbc \u0111\u00e2y c\u00f3 3 ch\u1ee9c n\u0103ng c\u01a1 b\u1ea3n l\u00e0 ampe k\u1ebf, v\u00f4n k\u1ebf, v\u00e0 \u00f4m k\u1ebf n\u00ean c\u00f2n g\u1ecdi l\u00e0 AVO-m\u00e9t. Sau \u0111\u00f3 c\u1ee1 nh\u1eefng n\u0103m 1970 tr\u1edf \u0111i b\u1eaft \u0111\u1ea7u c\u00f3 c\u00e1c \u0111\u1ed3ng h\u1ed3 c\u00f3 th\u00eam c\u00e1c ch\u1ee9c n\u0103ng ki\u1ec3m tra linh ki\u1ec7n nh\u01b0 ki\u1ec3m tra b\u00f3ng b\u00e1n d\u1eabn (transistor, diode), \u0111o \u0111i\u1ec7n dung t\u1ee5 \u0111i\u1ec7n C, \u0111o t\u1ea7n s\u1ed1 t\u00edn hi\u1ec7u f,&#8230;<\/p>\n\n\n\n<p><strong><span style=\"color:#051ce9\" class=\"has-inline-color\">3. M\u00e1y \u0111o \u0111i\u1ec7n tr\u1edf c\u00e1ch \u0111i\u1ec7n \u2013 Insulation Tester<\/span><\/strong><\/p>\n\n\n\n<figure class=\"is-layout-flex wp-block-gallery-5 wp-block-gallery columns-1 is-cropped\"><ul class=\"blocks-gallery-grid\"><li class=\"blocks-gallery-item\"><figure><img decoding=\"async\" loading=\"lazy\" width=\"1024\" height=\"576\" src=\"https:\/\/hitechcal.com\/wp-content\/uploads\/2021\/06\/M\u00e1y-\u0111o-\u0111i\u1ec7n-tr\u1edf-c\u00e1ch-\u0111i\u1ec7n-\u2013-Insulation-Tester1-2-1024x576.jpg\" alt=\"\" data-id=\"1626\" data-full-url=\"https:\/\/hitechcal.com\/wp-content\/uploads\/2021\/06\/M\u00e1y-\u0111o-\u0111i\u1ec7n-tr\u1edf-c\u00e1ch-\u0111i\u1ec7n-\u2013-Insulation-Tester1-2.jpg\" data-link=\"https:\/\/hitechcal.com\/hieu-chuan-linh-vuc-dien-tan-so.html\/may-do-dien-tro-cach-dien-insulation-tester1-2\" class=\"wp-image-1626\" srcset=\"https:\/\/hitechcal.com\/vn\/wp-content\/uploads\/2021\/06\/M\u00e1y-\u0111o-\u0111i\u1ec7n-tr\u1edf-c\u00e1ch-\u0111i\u1ec7n-\u2013-Insulation-Tester1-2-1024x576.jpg 1024w, https:\/\/hitechcal.com\/vn\/wp-content\/uploads\/2021\/06\/M\u00e1y-\u0111o-\u0111i\u1ec7n-tr\u1edf-c\u00e1ch-\u0111i\u1ec7n-\u2013-Insulation-Tester1-2-300x169.jpg 300w, https:\/\/hitechcal.com\/vn\/wp-content\/uploads\/2021\/06\/M\u00e1y-\u0111o-\u0111i\u1ec7n-tr\u1edf-c\u00e1ch-\u0111i\u1ec7n-\u2013-Insulation-Tester1-2-768x432.jpg 768w, https:\/\/hitechcal.com\/vn\/wp-content\/uploads\/2021\/06\/M\u00e1y-\u0111o-\u0111i\u1ec7n-tr\u1edf-c\u00e1ch-\u0111i\u1ec7n-\u2013-Insulation-Tester1-2-816x459.jpg 816w, https:\/\/hitechcal.com\/vn\/wp-content\/uploads\/2021\/06\/M\u00e1y-\u0111o-\u0111i\u1ec7n-tr\u1edf-c\u00e1ch-\u0111i\u1ec7n-\u2013-Insulation-Tester1-2.jpg 1280w\" sizes=\"(max-width: 1024px) 100vw, 1024px\" \/><\/figure><\/li><\/ul><\/figure>\n\n\n\n<figure class=\"is-layout-flex wp-block-gallery-7 wp-block-gallery columns-2 is-cropped\"><ul class=\"blocks-gallery-grid\"><li class=\"blocks-gallery-item\"><figure><img decoding=\"async\" loading=\"lazy\" width=\"213\" height=\"205\" src=\"https:\/\/hitechcal.com\/wp-content\/uploads\/2021\/06\/dt.jpg\" alt=\"\" data-id=\"1628\" data-link=\"https:\/\/hitechcal.com\/hieu-chuan-linh-vuc-dien-tan-so.html\/dt\" class=\"wp-image-1628\"\/><\/figure><\/li><li class=\"blocks-gallery-item\"><figure><img decoding=\"async\" loading=\"lazy\" width=\"321\" height=\"181\" src=\"https:\/\/hitechcal.com\/wp-content\/uploads\/2021\/06\/11.jpg\" alt=\"\" data-id=\"1629\" data-full-url=\"https:\/\/hitechcal.com\/wp-content\/uploads\/2021\/06\/11.jpg\" data-link=\"https:\/\/hitechcal.com\/hieu-chuan-linh-vuc-dien-tan-so.html\/11-4\" class=\"wp-image-1629\" srcset=\"https:\/\/hitechcal.com\/vn\/wp-content\/uploads\/2021\/06\/11.jpg 321w, https:\/\/hitechcal.com\/vn\/wp-content\/uploads\/2021\/06\/11-300x169.jpg 300w\" sizes=\"(max-width: 321px) 100vw, 321px\" \/><\/figure><\/li><\/ul><\/figure>\n\n\n\n<p>\u0110\u1ed3ng h\u1ed3 \u0111o \u0111i\u1ec7n tr\u1edf c\u00e1ch \u0111i\u1ec7n l\u00e0 thi\u1ebft b\u1ecb \u0111o v\u00e0 ki\u1ec3m tra ngu\u1ed3n \u0111i\u1ec7n \u0111\u00e3 an to\u00e0n hay ch\u01b0a. Thi\u1ebft b\u1ecb h\u1eefu d\u1ee5ng \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng r\u1ed9ng r\u00e3i trong ng\u00e0nh \u0111i\u1ec7n hay ng\u00e0nh s\u1ea3n xu\u1ea5t, x\u00e2y d\u1ef1ng,&#8230;<\/p>\n\n\n\n<p>N\u00f3i m\u1ed9t c\u00e1ch c\u1ee5 th\u1ec3 th\u00ec m\u00e1y \u0111o \u0111i\u1ec7n tr\u1edf \u0111\u01b0\u1ee3c d\u00f9ng \u0111\u1ec3 th\u1eed nghi\u1ec7m \u0111o \u0111i\u1ec7n chuy\u00ean d\u00f9ng, th\u00f4ng qua vi\u1ec7c \u0111o v\u00e0 ki\u1ec3m tra \u0111i\u1ec7n tr\u1edf tr\u00ean y\u1ebfu t\u1ed1 x\u00e1c th\u1ef1c v\u1ec1 t\u00ednh \u1ed5n \u0111\u1ecbnh c\u1ee7a d\u00f2ng \u0111i\u1ec7n.<\/p>\n\n\n\n<p>B\u00ean c\u1ea1nh \u0111\u00f3, m\u00e1y \u0111o \u0111i\u1ec7n tr\u1edf c\u00f2n \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng \u0111\u1ec3 ki\u1ec3m tra \u0111\u01b0\u1ee3c \u0111\u1ed9 an to\u00e0n c\u1ee7a v\u1eadt li\u1ec7u hay thi\u1ebft b\u1ecb c\u00e1ch \u0111i\u1ec7n, \u0111\u00e3 an to\u00e0n hay ch\u01b0a?<\/p>\n\n\n\n<p><strong><span style=\"color:#0d09e5\" class=\"has-inline-color\">4. Thi\u1ebft b\u1ecb \u0111o t\u1ee5 \u0111i\u1ec7n \u2013 Capacitance Meter<\/span><\/strong><\/p>\n\n\n\n<figure class=\"is-layout-flex wp-block-gallery-9 wp-block-gallery columns-2 is-cropped\"><ul class=\"blocks-gallery-grid\"><li class=\"blocks-gallery-item\"><figure><img decoding=\"async\" loading=\"lazy\" width=\"188\" height=\"208\" src=\"https:\/\/hitechcal.com\/wp-content\/uploads\/2021\/06\/Thi\u1ebft-b\u1ecb-\u0111o-t\u1ee5-\u0111i\u1ec7n-\u2013-Capacitance-Meter.jpg\" alt=\"\" data-id=\"1630\" data-link=\"https:\/\/hitechcal.com\/hieu-chuan-linh-vuc-dien-tan-so.html\/thiet-bi-do-tu-dien-capacitance-meter-2\" class=\"wp-image-1630\"\/><\/figure><\/li><li class=\"blocks-gallery-item\"><figure><img decoding=\"async\" loading=\"lazy\" width=\"198\" height=\"198\" src=\"https:\/\/hitechcal.com\/wp-content\/uploads\/2021\/06\/\u0111o-t\u1ee5-\u0111i\u1ec7n.jpg\" alt=\"\" data-id=\"1631\" data-full-url=\"https:\/\/hitechcal.com\/wp-content\/uploads\/2021\/06\/\u0111o-t\u1ee5-\u0111i\u1ec7n.jpg\" data-link=\"https:\/\/hitechcal.com\/hieu-chuan-linh-vuc-dien-tan-so.html\/do-tu-dien\" class=\"wp-image-1631\" srcset=\"https:\/\/hitechcal.com\/vn\/wp-content\/uploads\/2021\/06\/\u0111o-t\u1ee5-\u0111i\u1ec7n.jpg 198w, https:\/\/hitechcal.com\/vn\/wp-content\/uploads\/2021\/06\/\u0111o-t\u1ee5-\u0111i\u1ec7n-150x150.jpg 150w, https:\/\/hitechcal.com\/vn\/wp-content\/uploads\/2021\/06\/\u0111o-t\u1ee5-\u0111i\u1ec7n-88x88.jpg 88w\" sizes=\"(max-width: 198px) 100vw, 198px\" \/><\/figure><\/li><\/ul><\/figure>\n\n\n\n<p>Trong th\u1ef1c t\u1ebf \u0111\u01a1n v\u1ecb Fara l\u00e0 tr\u1ecb s\u1ed1 r\u1ea5t l\u1edbn, do \u0111\u00f3 th\u01b0\u1eddng d\u00f9ng c\u00e1c \u0111\u01a1n v\u1ecb \u0111o nh\u1ecf h\u01a1n nh\u01b0 micro Fara (1\u00b5F=10\u22126F), nano Fara (1nF=10\u22129F), picoFara (1pF=10\u221212F).<\/p>\n\n\n\n<p>Th\u00f4ng th\u01b0\u1eddng do s\u1ef1 l\u00e3o h\u00f3a v\u1eadt li\u1ec7u m\u00e0 nhi\u1ec1u lo\u1ea1i t\u1ee5 c\u00f3 \u0111i\u1ec7n dung gi\u1ea3m theo th\u1eddi gian. C\u00e1c t\u1ee5 h\u00f3a c\u00f3 m\u1ee9c \u0111\u1ed9 gi\u1ea3m l\u1edbn nh\u1ea5t, v\u00e0 th\u01b0\u1eddng g\u1ecdi l\u00e0 &#8220;gi\u00e0 c\u1ed7i&#8221;. N\u00f3 d\u1eabn \u0111\u1ebfn sai l\u1ec7ch ho\u1ea1t \u0111\u1ed9ng c\u1ee7a m\u1ea1ch \u0111i\u1ec7n t\u1eed. V\u00ec th\u1ebf \u0111\u1ec3 x\u00e1c \u0111\u1ecbnh gi\u00e1 tr\u1ecb Fara c\u1ee7a t\u1ee5 ra ph\u1ea3i c\u00f3 m\u00e1y \u0111o t\u1ee5 \u0111i\u1ec7n.&nbsp;<\/p>\n\n\n\n<p><strong><span style=\"color:#1705db\" class=\"has-inline-color\">5. H\u1ed9p \u0111i\u1ec7n tr\u1edf chu\u1ea9n \u2013 Resistance Standard<\/span><\/strong><\/p>\n\n\n\n<figure class=\"is-layout-flex wp-block-gallery-11 wp-block-gallery columns-3 is-cropped\"><ul class=\"blocks-gallery-grid\"><li class=\"blocks-gallery-item\"><figure><img decoding=\"async\" loading=\"lazy\" width=\"269\" height=\"188\" src=\"https:\/\/hitechcal.com\/wp-content\/uploads\/2021\/05\/H\u1ed9p-\u0111i\u1ec7n-tr\u1edf-chu\u1ea9n-\u2013-Resistance-Standard.jpg\" alt=\"\" data-id=\"1215\" class=\"wp-image-1215\"\/><\/figure><\/li><li class=\"blocks-gallery-item\"><figure><img decoding=\"async\" loading=\"lazy\" width=\"274\" height=\"159\" src=\"https:\/\/hitechcal.com\/wp-content\/uploads\/2021\/06\/H\u1ed9p-\u0111i\u1ec7n-tr\u1edf-chu\u1ea9n-\u2013-Resistance-Standard1.jpg\" alt=\"\" data-id=\"1632\" data-full-url=\"https:\/\/hitechcal.com\/wp-content\/uploads\/2021\/06\/H\u1ed9p-\u0111i\u1ec7n-tr\u1edf-chu\u1ea9n-\u2013-Resistance-Standard1.jpg\" data-link=\"https:\/\/hitechcal.com\/hieu-chuan-linh-vuc-dien-tan-so.html\/hop-dien-tro-chuan-resistance-standard1\" class=\"wp-image-1632\"\/><\/figure><\/li><li class=\"blocks-gallery-item\"><figure><img decoding=\"async\" loading=\"lazy\" width=\"768\" height=\"432\" src=\"https:\/\/hitechcal.com\/wp-content\/uploads\/2021\/06\/H\u1ed9p-\u0111i\u1ec7n-tr\u1edf-chu\u1ea9n-\u2013-Resistance-Standard2.jpg\" alt=\"\" data-id=\"1633\" data-full-url=\"https:\/\/hitechcal.com\/wp-content\/uploads\/2021\/06\/H\u1ed9p-\u0111i\u1ec7n-tr\u1edf-chu\u1ea9n-\u2013-Resistance-Standard2.jpg\" data-link=\"https:\/\/hitechcal.com\/hieu-chuan-linh-vuc-dien-tan-so.html\/hop-dien-tro-chuan-resistance-standard2\" class=\"wp-image-1633\" srcset=\"https:\/\/hitechcal.com\/vn\/wp-content\/uploads\/2021\/06\/H\u1ed9p-\u0111i\u1ec7n-tr\u1edf-chu\u1ea9n-\u2013-Resistance-Standard2.jpg 768w, https:\/\/hitechcal.com\/vn\/wp-content\/uploads\/2021\/06\/H\u1ed9p-\u0111i\u1ec7n-tr\u1edf-chu\u1ea9n-\u2013-Resistance-Standard2-300x169.jpg 300w\" sizes=\"(max-width: 768px) 100vw, 768px\" \/><\/figure><\/li><\/ul><\/figure>\n\n\n\n<p>\u0110i\u1ec7n tr\u1edf hay Resistor l\u00e0 m\u1ed9t linh ki\u1ec7n \u0111i\u1ec7n t\u1eed th\u1ee5 \u0111\u1ed9ng g\u1ed3m 2 ti\u1ebfp \u0111i\u1ec3m k\u1ebft n\u1ed1i, th\u01b0\u1eddng \u0111\u01b0\u1ee3c d\u00f9ng \u0111\u1ec3 h\u1ea1n ch\u1ebf c\u01b0\u1eddng \u0111\u1ed9 d\u00f2ng \u0111i\u1ec7n ch\u1ea3y trong m\u1ea1ch, \u0111i\u1ec1u ch\u1ec9nh m\u1ee9c \u0111\u1ed9 t\u00edn hi\u1ec7u, d\u00f9ng \u0111\u1ec3 chia \u0111i\u1ec7n \u00e1p, k\u00edch ho\u1ea1t c\u00e1c linh ki\u1ec7n \u0111i\u1ec7n t\u1eed ch\u1ee7 \u0111\u1ed9ng nh\u01b0 transistor, ti\u1ebfp \u0111i\u1ec3m cu\u1ed1i trong \u0111\u01b0\u1eddng truy\u1ec1n \u0111i\u1ec7n v\u00e0 c\u00f3 trong r\u1ea5t nhi\u1ec1u \u1ee9ng d\u1ee5ng kh\u00e1c. \u0110i\u1ec7n tr\u1edf chu\u1ea9n \u0111\u1ec3 ki\u1ec3m tra m\u00e1y \u0111o \u0111i\u1ec7n tr\u1edf xem m\u00e1y c\u00f2n ch\u00ednh x\u00e1c hay kh\u00f4ng b\u1eb1ng ph\u01b0\u01a1ng ph\u00e1p so s\u00e1nh.&nbsp;<\/p>\n\n\n\n<p><strong><span style=\"color:#0b07e9\" class=\"has-inline-color\">6. \u0110\u1ed3ng h\u1ed3 b\u1ea5m gi\u1ea5y \u2013 Stopwatch<\/span><\/strong><\/p>\n\n\n\n<figure class=\"is-layout-flex wp-block-gallery-13 wp-block-gallery columns-2 is-cropped\"><ul class=\"blocks-gallery-grid\"><li class=\"blocks-gallery-item\"><figure><img decoding=\"async\" loading=\"lazy\" width=\"188\" height=\"269\" src=\"https:\/\/hitechcal.com\/wp-content\/uploads\/2021\/05\/\u0110\u1ed3ng-h\u1ed3-b\u1ea5m-gi\u1ea5y-\u2013-Stopwatch.jpg\" alt=\"\" data-id=\"1216\" class=\"wp-image-1216\"\/><\/figure><\/li><li class=\"blocks-gallery-item\"><figure><img decoding=\"async\" loading=\"lazy\" width=\"168\" height=\"194\" src=\"https:\/\/hitechcal.com\/wp-content\/uploads\/2021\/06\/\u0110\u1ed3ng-h\u1ed3-b\u1ea5m-gi\u1ea5y-\u2013-Stopwatch2-1.jpg\" alt=\"\" data-id=\"1638\" data-full-url=\"https:\/\/hitechcal.com\/wp-content\/uploads\/2021\/06\/\u0110\u1ed3ng-h\u1ed3-b\u1ea5m-gi\u1ea5y-\u2013-Stopwatch2-1.jpg\" data-link=\"https:\/\/hitechcal.com\/hieu-chuan-linh-vuc-dien-tan-so.html\/dong-ho-bam-giay-stopwatch2-1\" class=\"wp-image-1638\"\/><\/figure><\/li><\/ul><\/figure>\n\n\n\n<p>\u0110\u1ed3ng h\u1ed3 b\u1ea5m gi\u1edd \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng r\u1ed9ng r\u00e3i cho nhi\u1ec1u l\u0129nh v\u1ef1c d\u00f9ng \u0111\u1ec3 theo d\u00f5i th\u1eddi gian ho\u1ea1t \u0111\u1ed9ng c\u1ee7a thi\u1ebft b\u1ecb hay c\u00e1c ho\u1ea1t \u0111\u1ed9ng kh\u00e1c\u2026&nbsp;<\/p>\n\n\n\n<p><strong><span style=\"color:#0300a3\" class=\"has-inline-color\">7. \u0110o d\u00f2ng DC\/AC \u2013Clamp Meter<\/span><\/strong><\/p>\n\n\n\n<figure class=\"is-layout-flex wp-block-gallery-15 wp-block-gallery columns-2 is-cropped\"><ul class=\"blocks-gallery-grid\"><li class=\"blocks-gallery-item\"><figure><img decoding=\"async\" loading=\"lazy\" width=\"225\" height=\"225\" src=\"https:\/\/hitechcal.com\/wp-content\/uploads\/2021\/05\/\u0110o-d\u00f2ng-DCAC-\u2013Clamp-Meter.jpg\" alt=\"\" data-id=\"1217\" class=\"wp-image-1217\" srcset=\"https:\/\/hitechcal.com\/vn\/wp-content\/uploads\/2021\/05\/\u0110o-d\u00f2ng-DCAC-\u2013Clamp-Meter.jpg 225w, https:\/\/hitechcal.com\/vn\/wp-content\/uploads\/2021\/05\/\u0110o-d\u00f2ng-DCAC-\u2013Clamp-Meter-150x150.jpg 150w, https:\/\/hitechcal.com\/vn\/wp-content\/uploads\/2021\/05\/\u0110o-d\u00f2ng-DCAC-\u2013Clamp-Meter-88x88.jpg 88w\" sizes=\"(max-width: 225px) 100vw, 225px\" \/><\/figure><\/li><li class=\"blocks-gallery-item\"><figure><img decoding=\"async\" loading=\"lazy\" width=\"166\" height=\"180\" src=\"https:\/\/hitechcal.com\/wp-content\/uploads\/2021\/06\/\u0110o-d\u00f2ng-DCAC-\u2013Clamp-Meter1.jpg\" alt=\"\" data-id=\"1639\" data-full-url=\"https:\/\/hitechcal.com\/wp-content\/uploads\/2021\/06\/\u0110o-d\u00f2ng-DCAC-\u2013Clamp-Meter1.jpg\" data-link=\"https:\/\/hitechcal.com\/hieu-chuan-linh-vuc-dien-tan-so.html\/do-dong-dcac-clamp-meter1\" class=\"wp-image-1639\"\/><\/figure><\/li><\/ul><\/figure>\n\n\n\n<p>Ampe k\u00ecm l\u00e0 thi\u1ebft b\u1ecb \u0111o \u0111i\u1ec7n hi\u1ec7n \u0111\u1ea1i, \u1ee9ng d\u1ee5ng k\u1ef9 thu\u1eadt s\u1ed1, c\u00f3 kh\u1ea3 n\u0103ng \u0111o h\u1ea7u h\u1ebft c\u00e1c th\u00f4ng s\u1ed1 \u0111i\u1ec7n n\u0103ng, cho k\u1ebft qu\u1ea3 ch\u00ednh x\u00e1c nhanh ch\u00f3ng. L\u00e0 thi\u1ebft b\u1ecb \u0111o \u0111i\u1ec7n chuy\u00ean d\u1ee5ng \u0111\u1ec3 \u0111o d\u00f2ng \u0111i\u1ec7n v\u1edbi d\u1ea3i \u0111o r\u1ed9ng t\u1eeb 100mA \u0111\u1ebfn 2000A . M\u1ed9t s\u1ed1 model ampe k\u00ecm \u0111\u01b0\u1ee3c t\u00edch h\u1ee3p nhi\u1ec1u t\u00ednh n\u0103ng nh\u01b0 \u0111\u1ed3ng h\u1ed3 v\u1ea1n n\u0103ng l\u00e0 \u0111o: \u0111i\u1ec7n \u00e1p, \u0111i\u1ec7n tr\u1edf, t\u1ea7n s\u1ed1&#8230; T\u00ean c\u1ee7a thi\u1ebft b\u1ecb \u0111o \u0111i\u1ec7n n\u00e0y \u0111\u01b0\u1ee3c \u0111\u1eb7t theo \u0111\u01a1n v\u1ecb \u0111o c\u01b0\u1eddng \u0111\u1ed9 d\u00f2ng \u0111i\u1ec7n l\u00e0 ampe k\u00ecm<\/p>\n\n\n\n<p><strong><span style=\"color:#070ff0\" class=\"has-inline-color\">8. M\u00e1y \u0111o nhi\u1ec7t \u0111\u1ed9 lo\u1ea1i K,J,T&#8230; \u2013 Thermometer Type &nbsp;K,J,T\u2026<\/span><\/strong><\/p>\n\n\n\n<figure class=\"is-layout-flex wp-block-gallery-17 wp-block-gallery columns-3 is-cropped\"><ul class=\"blocks-gallery-grid\"><li class=\"blocks-gallery-item\"><figure><img decoding=\"async\" loading=\"lazy\" width=\"225\" height=\"225\" src=\"https:\/\/hitechcal.com\/wp-content\/uploads\/2021\/05\/M\u00e1y-\u0111o-nhi\u1ec7t-\u0111\u1ed9-lo\u1ea1i-KJT...-\u2013-Thermometer-Type-KJT\u2026.jpg\" alt=\"\" data-id=\"1218\" class=\"wp-image-1218\" srcset=\"https:\/\/hitechcal.com\/vn\/wp-content\/uploads\/2021\/05\/M\u00e1y-\u0111o-nhi\u1ec7t-\u0111\u1ed9-lo\u1ea1i-KJT...-\u2013-Thermometer-Type-KJT\u2026.jpg 225w, https:\/\/hitechcal.com\/vn\/wp-content\/uploads\/2021\/05\/M\u00e1y-\u0111o-nhi\u1ec7t-\u0111\u1ed9-lo\u1ea1i-KJT...-\u2013-Thermometer-Type-KJT\u2026-150x150.jpg 150w, https:\/\/hitechcal.com\/vn\/wp-content\/uploads\/2021\/05\/M\u00e1y-\u0111o-nhi\u1ec7t-\u0111\u1ed9-lo\u1ea1i-KJT...-\u2013-Thermometer-Type-KJT\u2026-88x88.jpg 88w\" sizes=\"(max-width: 225px) 100vw, 225px\" \/><\/figure><\/li><li class=\"blocks-gallery-item\"><figure><img decoding=\"async\" loading=\"lazy\" width=\"153\" height=\"185\" src=\"https:\/\/hitechcal.com\/wp-content\/uploads\/2021\/06\/M\u00e1y-\u0111o-nhi\u1ec7t-\u0111\u1ed9-lo\u1ea1i-KJT...-\u2013-Thermometer-Type-KJT\u20262.jpg\" alt=\"\" data-id=\"1641\" data-full-url=\"https:\/\/hitechcal.com\/wp-content\/uploads\/2021\/06\/M\u00e1y-\u0111o-nhi\u1ec7t-\u0111\u1ed9-lo\u1ea1i-KJT...-\u2013-Thermometer-Type-KJT\u20262.jpg\" data-link=\"https:\/\/hitechcal.com\/hieu-chuan-linh-vuc-dien-tan-so.html\/may-do-nhiet-do-loai-kjt-thermometer-type-kjt2\" class=\"wp-image-1641\"\/><\/figure><\/li><li class=\"blocks-gallery-item\"><figure><img decoding=\"async\" loading=\"lazy\" width=\"192\" height=\"211\" src=\"https:\/\/hitechcal.com\/wp-content\/uploads\/2021\/06\/M\u00e1y-\u0111o-nhi\u1ec7t-\u0111\u1ed9-lo\u1ea1i-KJT...-\u2013-Thermometer-Type-KJT\u20261.jpg\" alt=\"\" data-id=\"1640\" data-full-url=\"https:\/\/hitechcal.com\/wp-content\/uploads\/2021\/06\/M\u00e1y-\u0111o-nhi\u1ec7t-\u0111\u1ed9-lo\u1ea1i-KJT...-\u2013-Thermometer-Type-KJT\u20261.jpg\" data-link=\"https:\/\/hitechcal.com\/hieu-chuan-linh-vuc-dien-tan-so.html\/may-do-nhiet-do-loai-kjt-thermometer-type-kjt1\" class=\"wp-image-1640\"\/><\/figure><\/li><\/ul><\/figure>\n\n\n\n<p>C\u1ea3m bi\u1ebfn nhi\u1ec7t bao g\u1ed3m 2 d\u00e2y kim lo\u1ea1i kh\u00e1c nhau \u0111\u01b0\u1ee3c h\u00e0n d\u00ednh 1 \u0111\u1ea7u g\u1ecdi l\u00e0 \u0111\u1ea7u n\u00f3ng ( hay \u0111\u1ea7u \u0111o), hai \u0111\u1ea7u c\u00f2n l\u1ea1i g\u1ecdi l\u00e0 \u0111\u1ea7u l\u1ea1nh (hay l\u00e0 \u0111\u1ea7u chu\u1ea9n)<\/p>\n\n\n\n<p>Khi c\u00f3 s\u1ef1 ch\u00eanh l\u1ec7ch nhi\u1ec7t \u0111\u1ed9 gi\u1eefa \u0111\u1ea7u n\u00f3ng v\u00e0 \u0111\u1ea7u l\u1ea1nh th\u00ec s\u1ebd ph\u00e1t sinh 1 s\u1ee9c \u0111i\u1ec7n \u0111\u1ed9ng V t\u1ea1i \u0111\u1ea7u l\u1ea1nh. M\u1ed9t v\u1ea5n \u0111\u1ec1 \u0111\u1eb7t ra l\u00e0 ph\u1ea3i \u1ed5n \u0111\u1ecbnh v\u00e0 \u0111o \u0111\u01b0\u1ee3c nhi\u1ec7t \u0111\u1ed9 \u1edf \u0111\u1ea7u l\u1ea1nh, \u0111i\u1ec1u n\u00e0y t\u00f9y thu\u1ed9c r\u1ea5t l\u1edbn v\u00e0o ch\u1ea5t li\u1ec7u. Do v\u1eady m\u1edbi cho ra c\u00e1c lo\u1ea1i c\u1eb7p nhi\u1ec7t \u0111\u1ed9, m\u1ed7i lo\u1ea1i cho ra 1 s\u1ee9c \u0111i\u1ec7n \u0111\u1ed9ng kh\u00e1c nhau: E, J, K, R, S, T. M\u00e1y \u0111o nhi\u1ec7t \u0111\u1ed9 lo\u1ea1i K, J, T\u2026 s\u1ebd x\u00e1c \u0111\u1ecbnh \u0111\u01b0\u1ee3c gi\u00e1 tr\u1ecb nhi\u1ec7t \u0111\u1ed9 d\u1ef1a v\u00e0o s\u1ee9c \u0111i\u1ec7n \u0111\u1ed9ng V t\u1ea1i \u0111\u1ea7u l\u1ea1nh.&nbsp;<\/p>\n\n\n\n<p><strong><span style=\"color:#0616eb\" class=\"has-inline-color\">9. M\u00e1y th\u1eed an to\u00e0n \u0111i\u1ec7n \u2013 AC\/DC Withstanding Voltage<\/span><\/strong><\/p>\n\n\n\n<figure class=\"is-layout-flex wp-block-gallery-19 wp-block-gallery columns-2 is-cropped\"><ul class=\"blocks-gallery-grid\"><li class=\"blocks-gallery-item\"><figure><img decoding=\"async\" loading=\"lazy\" width=\"284\" height=\"178\" src=\"https:\/\/hitechcal.com\/wp-content\/uploads\/2021\/05\/M\u00e1y-th\u1eed-an-to\u00e0n-\u0111i\u1ec7n-\u2013-ACDC-Withstanding-Voltage.jpg\" alt=\"\" data-id=\"1219\" class=\"wp-image-1219\"\/><\/figure><\/li><li class=\"blocks-gallery-item\"><figure><img decoding=\"async\" loading=\"lazy\" width=\"166\" height=\"180\" src=\"https:\/\/hitechcal.com\/wp-content\/uploads\/2021\/06\/M\u00e1y-th\u1eed-an-to\u00e0n-\u0111i\u1ec7n-\u2013-ACDC-Withstanding-Voltage1-1.jpg\" alt=\"\" data-id=\"1643\" data-full-url=\"https:\/\/hitechcal.com\/wp-content\/uploads\/2021\/06\/M\u00e1y-th\u1eed-an-to\u00e0n-\u0111i\u1ec7n-\u2013-ACDC-Withstanding-Voltage1-1.jpg\" data-link=\"https:\/\/hitechcal.com\/hieu-chuan-linh-vuc-dien-tan-so.html\/may-thu-an-toan-dien-acdc-withstanding-voltage1-1\" class=\"wp-image-1643\"\/><\/figure><\/li><\/ul><\/figure>\n\n\n\n<p>M\u00e1y d\u00f9ng \u0111\u1ec3 ki\u1ec3m tra kh\u1ea3 n\u0103ng ch\u1ecbu \u0111i\u1ec7n \u00e1p cao AC v\u00e0 DC c\u1ee7a s\u1ea3n ph\u1ea9m, ki\u1ec3m tra \u0111i\u1ec7n tr\u1edf c\u00e1ch \u0111i\u1ec7n. M\u00e1y cung c\u1ea5p c\u00e1c gi\u1ea3i ph\u00e1p \u0111\u1ec3 ki\u1ec3m tra theo c\u00e1c ti\u00eau chu\u1ea9n an to\u00e0n nh\u01b0 IEC, EN, UL, CSA, GB, JIS v\u00e0 c\u00e1c quy \u0111\u1ecbnh an to\u00e0n kh\u00e1c.&nbsp;<\/p>\n\n\n\n<p><strong><span style=\"color:#2507e7\" class=\"has-inline-color\">10. M\u00e1y hi\u1ec7n s\u00f3ng \u2013 Oscilloscope<\/span><\/strong><\/p>\n\n\n\n<figure class=\"is-layout-flex wp-block-gallery-21 wp-block-gallery columns-2 is-cropped\"><ul class=\"blocks-gallery-grid\"><li class=\"blocks-gallery-item\"><figure><img decoding=\"async\" loading=\"lazy\" width=\"280\" height=\"180\" src=\"https:\/\/hitechcal.com\/wp-content\/uploads\/2021\/05\/M\u00e1y-hi\u1ec7n-s\u00f3ng-\u2013-Oscilloscope.jpg\" alt=\"\" data-id=\"1220\" class=\"wp-image-1220\"\/><\/figure><\/li><li class=\"blocks-gallery-item\"><figure><img decoding=\"async\" loading=\"lazy\" width=\"247\" height=\"180\" src=\"https:\/\/hitechcal.com\/wp-content\/uploads\/2021\/06\/M\u00e1y-hi\u1ec7n-s\u00f3ng-\u2013-Oscilloscope2.jpg\" alt=\"\" data-id=\"1644\" data-full-url=\"https:\/\/hitechcal.com\/wp-content\/uploads\/2021\/06\/M\u00e1y-hi\u1ec7n-s\u00f3ng-\u2013-Oscilloscope2.jpg\" data-link=\"https:\/\/hitechcal.com\/hieu-chuan-linh-vuc-dien-tan-so.html\/may-hien-song-oscilloscope2\" class=\"wp-image-1644\"\/><\/figure><\/li><\/ul><\/figure>\n\n\n\n<p>M\u00e1y hi\u1ec7n s\u00f3ng, Oscilloscope hay dao \u0111\u1ed9ng k\u00fd l\u00e0 m\u1ed9t thi\u1ebft b\u1ecb \u0111i\u1ec7n t\u1eed c\u00f4ng ngh\u1ec7 cao quan tr\u1ecdng, \u0111\u01b0\u1ee3c \u1ee9ng d\u1ee5ng r\u1ed9ng r\u00e3i trong nhi\u1ec1u l\u0129nh v\u1ef1c nh\u01b0 \u0111\u1eddi s\u1ed1ng sinh ho\u1ea1t, gi\u00e1o d\u1ee5c, \u0111i\u1ec7n t\u1eed vi\u1ec5n th\u00f4ng v\u00e0 c\u1ea3 y h\u1ecdc,\u2026 Thi\u1ebft b\u1ecb hi\u1ec3n th\u1ecb \u0111\u1ed3 th\u1ecb c\u1ee7a d\u00f2ng \u0111i\u1ec7n gi\u00fap k\u1ef9 thu\u1eadt vi\u00ean bi\u1ebft \u0111\u01b0\u1ee3c s\u1ef1 thay \u0111\u1ed5i t\u00edn hi\u1ec7u theo th\u1eddi gian. M\u00e1y hi\u1ec7n s\u00f3ng c\u00f3 kh\u1ea3 n\u0103ng nh\u1eadn d\u1ea1ng \u0111\u01b0\u1ee3c nhi\u1ec1u lo\u1ea1i t\u00edn hi\u1ec7u kh\u00e1c nhau nh\u01b0 t\u00edn hi\u1ec7u xung vu\u00f4ng, r\u0103ng c\u01b0a, xung h\u00ecnh sin ho\u1eb7c c\u00f3 th\u1ec3 \u0111\u1ebfn nh\u1eefng t\u00edn hi\u1ec7u kh\u00f3 nh\u01b0 t\u00edn hi\u1ec7u h\u00ecnh v\u00e0 ti\u1ebfng.&nbsp;<\/p>\n\n\n\n<p><strong><span style=\"color:#0300a3\" class=\"has-inline-color\">11. M\u00e1y ph\u00e2n t\u00edch s\u00f3ng \u2013 Network Analyzer<\/span><\/strong><\/p>\n\n\n\n<figure class=\"is-layout-flex wp-block-gallery-23 wp-block-gallery columns-2 is-cropped\"><ul class=\"blocks-gallery-grid\"><li class=\"blocks-gallery-item\"><figure><img decoding=\"async\" loading=\"lazy\" width=\"230\" height=\"180\" src=\"https:\/\/hitechcal.com\/wp-content\/uploads\/2021\/06\/M\u00e1y-ph\u00e2n-t\u00edch-s\u00f3ng-\u2013-Network-Analyzer1.jpg\" alt=\"\" data-id=\"1645\" data-full-url=\"https:\/\/hitechcal.com\/wp-content\/uploads\/2021\/06\/M\u00e1y-ph\u00e2n-t\u00edch-s\u00f3ng-\u2013-Network-Analyzer1.jpg\" data-link=\"https:\/\/hitechcal.com\/hieu-chuan-linh-vuc-dien-tan-so.html\/may-phan-tich-song-network-analyzer1\" class=\"wp-image-1645\"\/><\/figure><\/li><li class=\"blocks-gallery-item\"><figure><img decoding=\"async\" loading=\"lazy\" width=\"308\" height=\"164\" src=\"https:\/\/hitechcal.com\/wp-content\/uploads\/2021\/05\/M\u00e1y-ph\u00e2n-t\u00edch-s\u00f3ng-\u2013-Network-Analyzer.jpg\" alt=\"\" data-id=\"1221\" class=\"wp-image-1221\" srcset=\"https:\/\/hitechcal.com\/vn\/wp-content\/uploads\/2021\/05\/M\u00e1y-ph\u00e2n-t\u00edch-s\u00f3ng-\u2013-Network-Analyzer.jpg 308w, https:\/\/hitechcal.com\/vn\/wp-content\/uploads\/2021\/05\/M\u00e1y-ph\u00e2n-t\u00edch-s\u00f3ng-\u2013-Network-Analyzer-300x160.jpg 300w\" sizes=\"(max-width: 308px) 100vw, 308px\" \/><\/figure><\/li><\/ul><\/figure>\n\n\n\n<p>M\u00e1y ph\u00e2n t\u00edch m\u1ea1ng \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng r\u1ea5t nhi\u1ec1u \u0111\u1ec3 \u0111o \u0111\u1ea1c c\u00e1c thi\u1ebft b\u1ecb s\u00f3ng microwave, \u0111\u1eb7c bi\u1ec7t l\u00e0 \u1edf l\u0129nh v\u1ef1c truy\u1ec1n h\u00ecnh truy\u1ec1n thanh, s\u00f3ng vi\u1ec5n th\u00f4ng di \u0111\u1ed9ng\u2026<\/p>\n\n\n\n<p>M\u00e1y ph\u00e2n t\u00edch m\u1ea1ng \u0111\u01b0\u1ee3c thi\u1ebft k\u1ebf t\u1ed1i \u01b0u c\u00f9ng c\u00e1c t\u00ednh n\u0103ng nh\u01b0 qu\u00e9t nhanh (fast sweep time), b\u00f9 t\u1ea7n s\u1ed1 (frequency offset) v\u00e0 mi\u1ec1n th\u1eddi gian (time domain) \u0111\u1ea1t hi\u1ec7u qu\u1ea3 cao h\u01a1n trong c\u00e1c ng\u00e0nh s\u1ea3n xu\u1ea5 ra c\u00e1c th\u00e0nh ph\u1ea7n th\u1ee5 \u0111\u1ed9ng, ph\u00f2ng nghi\u00ean c\u1ee9u RF ho\u1eb7c s\u1eed d\u1ee5ng trong c\u00e1c tr\u01b0\u1eddng \u0111\u1ea1i h\u1ecdc.<\/p>\n\n\n\n<p><strong><span style=\"color:#0818fb\" class=\"has-inline-color\">12. M\u00e1y ki\u1ec3m tra th\u00f4ng m\u1ea1ch \/Cable &amp; Harness Multi-Tester<\/span><\/strong><\/p>\n\n\n\n<figure class=\"wp-block-image size-large\"><img decoding=\"async\" loading=\"lazy\" width=\"1024\" height=\"576\" src=\"https:\/\/hitechcal.com\/wp-content\/uploads\/2021\/06\/do-thong-mach-la-gi-1-1024x576.jpg\" alt=\"\" class=\"wp-image-1650\" srcset=\"https:\/\/hitechcal.com\/vn\/wp-content\/uploads\/2021\/06\/do-thong-mach-la-gi-1-1024x576.jpg 1024w, https:\/\/hitechcal.com\/vn\/wp-content\/uploads\/2021\/06\/do-thong-mach-la-gi-1-300x169.jpg 300w, https:\/\/hitechcal.com\/vn\/wp-content\/uploads\/2021\/06\/do-thong-mach-la-gi-1-768x432.jpg 768w, https:\/\/hitechcal.com\/vn\/wp-content\/uploads\/2021\/06\/do-thong-mach-la-gi-1-816x459.jpg 816w, https:\/\/hitechcal.com\/vn\/wp-content\/uploads\/2021\/06\/do-thong-mach-la-gi-1.jpg 1268w\" sizes=\"(max-width: 1024px) 100vw, 1024px\" \/><\/figure>\n\n\n\n<p>Th\u00f4ng m\u1ea1ch\u00a0l\u00e0 d\u00f2ng \u0111i\u1ec7n ch\u1ea1y qua ho\u00e0n ch\u1ec9nh thi\u1ebft b\u1ecb c\u1ea7n \u0111o. M\u1ed9t c\u00f4ng t\u1eafc \u0111\u00f3ng \u0111ang ho\u1ea1t \u0111\u1ed9ng, v\u00ed d\u1ee5, c\u00f3 t\u00ednh th\u00f4ng m\u1ea1ch. \u0110o th\u00f4ng m\u1ea1ch l\u00e0 ki\u1ec3m tra nhanh \u0111\u1ec3 xem m\u1ea1ch m\u1edf hay \u0111\u00f3ng. Ch\u1ec9 m\u1ed9t m\u1ea1ch k\u00edn, ho\u00e0n ch\u1ec9nh (m\u1ed9t m\u1ea1ch \u0111\u01b0\u1ee3c B\u1eacT) c\u00f3 t\u00ednh th\u00f4ng m\u1ea1ch.<\/p>\n\n\n\n<h4><strong>C\u00e1c thi\u1ebft b\u1ecb&nbsp;kh\u00e1c vui l\u00f2ng li\u00ean h\u1ec7: <span style=\"color:#e50114\" class=\"has-inline-color\">Mr Trung 0975581255<\/span><span style=\"color:#0002a3\" class=\"has-inline-color\"> <\/span>\u0111\u1ec3 \u0111\u01b0\u1ee3c t\u01b0 v\u1ea5n t\u1ed1t nh\u1ea5t.<\/strong><\/h4>\n","protected":false},"excerpt":{"rendered":"<p>hi\u1ec7u chu\u1ea9n l\u0129nh v\u1ef1c \u0111i\u1ec7n &#8211; t\u1ea7n s\u1ed1<\/p>\n","protected":false},"author":2,"featured_media":1207,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":[],"categories":[1],"tags":[],"_links":{"self":[{"href":"https:\/\/hitechcal.com\/vn\/index.php?rest_route=\/wp\/v2\/posts\/1206"}],"collection":[{"href":"https:\/\/hitechcal.com\/vn\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/hitechcal.com\/vn\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/hitechcal.com\/vn\/index.php?rest_route=\/wp\/v2\/users\/2"}],"replies":[{"embeddable":true,"href":"https:\/\/hitechcal.com\/vn\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=1206"}],"version-history":[{"count":12,"href":"https:\/\/hitechcal.com\/vn\/index.php?rest_route=\/wp\/v2\/posts\/1206\/revisions"}],"predecessor-version":[{"id":1651,"href":"https:\/\/hitechcal.com\/vn\/index.php?rest_route=\/wp\/v2\/posts\/1206\/revisions\/1651"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/hitechcal.com\/vn\/index.php?rest_route=\/wp\/v2\/media\/1207"}],"wp:attachment":[{"href":"https:\/\/hitechcal.com\/vn\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=1206"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/hitechcal.com\/vn\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=1206"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/hitechcal.com\/vn\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=1206"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}