{"id":5076,"date":"2018-09-27T07:44:39","date_gmt":"2018-09-27T07:44:39","guid":{"rendered":"https:\/\/hocvienit.vn\/?p=5076"},"modified":"2024-07-03T16:38:27","modified_gmt":"2024-07-03T09:38:27","slug":"ban-may-hien-song-oscilloscope-tot-nhat","status":"publish","type":"post","link":"https:\/\/hocvienit.vn\/?p=5076","title":{"rendered":"\u0110\u1ecba ch\u1ec9 b\u00e1n m\u00e1y hi\u1ec7n s\u00f3ng Oscilloscope uy t\u00edn v\u00e0 ch\u1ea5t l\u01b0\u1ee3ng"},"content":{"rendered":"

M\u00e1y hi\u1ec7n s\u00f3ng oscilloscope l\u00e0 thi\u1ebft b\u1ecb kh\u00f4ng th\u1ec3 thi\u1ebfu \u0111\u1ed1i v\u1edbi c\u00f4ng vi\u1ec7c l\u1eafp r\u00e1p, s\u1eeda ch\u1eefa m\u00e1y t\u00ednh. V\u1eady m\u00e1y oscilloscope l\u00e0 g\u00ec, t\u1ea1i sao l\u1ea1i c\u00f3 vai tr\u00f2 quan tr\u1ecdng \u0111\u1ebfn v\u1eady? C\u00f3 th\u1ec3 t\u00ecm mua m\u00e1y hi\u1ec7n s\u00f3ng \u1edf \u0111\u00e2u gi\u00e1 t\u1ed1t?<\/span><\/p>\n

\"\u0110\u1ecba
\u0110\u1ecba ch\u1ec9 b\u00e1n m\u00e1y hi\u1ec7n s\u00f3ng Oscilloscope uy t\u00edn v\u00e0 ch\u1ea5t l\u01b0\u1ee3ng<\/figcaption><\/figure>\n

T\u00ecm hi\u1ec3u v\u1ec1 m\u00e1y hi\u1ec7n s\u00f3ng oscilloscope<\/span><\/h2>\n

M\u00e1y hi\u1ec7n s\u00f3ng oscilloscope l\u00e0 g\u00ec?<\/span><\/h3>\n

M\u00e1y hi\u1ec7n s\u00f3ng, hay m\u00e1y oscilloscope (oscilloscope – dao \u0111\u1ed9ng k\u00fd) l\u00e0 thi\u1ebft b\u1ecb v\u1ebd \u0111\u1ed3 th\u1ecb c\u1ee7a t\u00edn hi\u1ec7u \u0111i\u1ec7n tr\u1edf theo 3 tr\u1ee5c X (th\u1eddi gian), Y (\u0111i\u1ec7n \u00e1p) v\u00e0 Z (c\u01b0\u1eddng \u0111\u1ed9 s\u00e1ng). Thi\u1ebft b\u1ecb n\u00e0y d\u00f9ng \u0111\u1ec3 \u0111o c\u00e1c d\u1ea1ng t\u00edn hi\u1ec7u v\u00e0 c\u00e1c d\u1ea1ng xung giao \u0111\u1ed9ng. M\u00e1y hi\u1ec7n s\u00f3ng c\u0169ng d\u00f9ng \u0111\u1ec3 \u0111o d\u00f2ng \u0111i\u1ec7n ho\u1eb7c thu th\u1eadp d\u1eef li\u1ec7u t\u01b0\u01a1ng \u1ee9ng v\u1edbi c\u00e1c \u0111\u1ea7u \u0111o ch\u1ee9c n\u0103ng \u0111\u01b0\u1ee3c k\u1ebft n\u1ed1i. \u0110\u00e2y l\u00e0 m\u1ed9t c\u00e1nh tay ph\u1ea3i \u0111\u1eafc l\u1ef1c \u0111\u1ed1i v\u1edbi c\u00e1c chuy\u00ean gia nghi\u00ean c\u1ee9u v\u1ec1 C\u00f4ng ngh\u1ec7. \u0110\u1eb7c bi\u1ec7t l\u00e0 v\u1edbi nh\u1eefng ng\u01b0\u1eddi l\u00e0m trong ngh\u1ec1 s\u1ea3n xu\u1ea5t, l\u1eafp r\u00e1p, s\u1eeda ch\u1eefa m\u00e1y t\u00ednh, \u0111i\u1ec7n tho\u1ea1i. <\/span><\/p>\n

M\u00e1y oscilloscope kh\u00f4ng b\u1ecb gi\u1edbi h\u1ea1n \u0111\u1ed1i v\u1edbi c\u00e1c thi\u1ebft b\u1ecb \u0111i\u1ec7n t\u1eed. V\u1edbi m\u1ed9t b\u1ed9 chuy\u1ec3n \u0111\u1ed5i th\u00edch h\u1ee3p, m\u00e1y hi\u1ec7n s\u00f3ng c\u00f3 th\u1ec3 \u0111o \u0111\u1ea1c \u0111\u01b0\u1ee3c c\u1ea3 c\u00e1c hi\u1ec7n t\u01b0\u1ee3ng v\u1eadt l\u00fd, \u00e2m thanh, \u00e1nh s\u00e1ng, nhi\u1ec7t \u0111\u1ed9\u2026<\/span><\/p>\n

V\u1ec1 h\u00ecnh d\u00e1ng b\u00ean ngo\u00e0i, m\u1ed9t chi\u1ebfc m\u00e1y \u0111o s\u00f3ng oscilloscope c\u00f3 h\u00ecnh d\u1ea1ng kh\u00e1 gi\u1ed1ng chi\u1ebfc TV. N\u00f3 c\u00f3 m\u1ed9t m\u1ea1ng l\u01b0\u1edbi \u0111\u01b0\u1ee3c v\u1ebd tr\u00ean m\u00e0n h\u00ecnh v\u00e0 kh\u00e1 nhi\u1ec1u n\u00fat ch\u1ee9c n\u0103ng. M\u1eb7t tr\u01b0\u1edbc c\u1ee7a thi\u1ebft b\u1ecb n\u00e0y c\u00f3 c\u00e1c ph\u1ea7n \u0111i\u1ec1u khi\u1ec3n \u0111\u01b0\u1ee3c chia theo h\u01b0\u1edbng d\u1ecdc, ngang v\u00e0 trigger.<\/span><\/p>\n

\"C\u1ea5u
C\u1ea5u t\u1ea1o c\u1ee7a m\u00e1y hi\u1ec7n s\u00f3ng Oscilloscope<\/figcaption><\/figure>\n

Ph\u00e2n lo\u1ea1i m\u00e1y hi\u1ec7n s\u00f3ng oscilloscope<\/span><\/h3>\n

M\u00e1y hi\u1ec7n s\u00f3ng oscilloscope \u0111\u01b0\u1ee3c chia l\u00e0m 2 lo\u1ea1i \u0111\u00f3 l\u00e0 lo\u1ea1i t\u01b0\u01a1ng t\u1ef1 v\u00e0 lo\u1ea1i s\u1ed1:<\/span><\/p>\n

– M\u00e1y hi\u1ec7n s\u00f3ng lo\u1ea1i t\u01b0\u01a1ng t\u1ef1: l\u00e0 m\u00e1y l\u00e0m vi\u1ec7c tr\u1ef1c ti\u1ebfp v\u1edbi \u0111i\u1ec7n \u00e1p \u0111\u1eb7t v\u00e0o \u0111\u01b0\u1ee3c \u0111o \u0111\u1ec3 di chuy\u1ec3n d\u00f2ng electron ngang qua m\u00e0n h\u00ecnh m\u00e1y oscilloscope.<\/span><\/p>\n

– M\u00e1y hi\u1ec7n s\u00f3ng l\u1ea5y m\u1eabu d\u1ea1ng s\u00f3ng v\u00e0 d\u00f9ng m\u1ed9t b\u1ed9 chuy\u1ec3n \u0111\u1ed5i t\u01b0\u01a1ng t\u1ef1\/s\u1ed1 (A\/D) \u0111\u1ec3 chuy\u1ec3n \u0111\u1ed5i \u0111i\u1ec7n \u00e1p \u0111\u00e3 \u0111\u01b0\u1ee3c \u0111o th\u00e0nh th\u00f4ng tin s\u1ed1. Sau \u0111\u00f3, m\u00e1y d\u00f9ng nh\u1eefng th\u00f4ng tin s\u1ed1 n\u00e0y \u0111\u1ec3 t\u00e1i c\u1ea5u tr\u00fac l\u1ea1i d\u1ea1ng s\u00f3ng tr\u00ean m\u00e0n h\u00ecnh. <\/span><\/p>\n

M\u00e1y oscilloscope c\u0169ng \u0111\u01b0\u1ee3c ph\u00e2n th\u00e0nh nhi\u1ec1u ki\u1ec3u kh\u00e1c nhau, t\u00f9y theo \u1ee9ng d\u1ee5ng ho\u1eb7c ki\u1ec3u d\u00e1ng. Ch\u00fang ta c\u00f3 ki\u1ec3u m\u00e1y hi\u1ec7n s\u00f3ng d\u1ea1ng c\u1ea7m tay (Hand held), d\u1ea1ng \u0111\u1ec3 b\u00e0n (Benchtop), d\u1ea1ng n\u1ec1n m\u00e1y t\u00ednh (PC based). \u0110\u1eb7c bi\u1ec7t c\u00f3 ki\u1ec3u t\u00edch h\u1ee3p ch\u1ee9c n\u0103ng (Mix oscilloscope). \u0110\u00e2y l\u00e0 d\u1ea1ng m\u00e1y \u0111\u01b0\u1ee3c t\u00edch h\u1ee3p th\u00eam nhi\u1ec1u ch\u1ee9c n\u0103ng \u0111o l\u01b0\u1eddng kh\u00e1c nh\u01b0 multimeter, logic analyzer, function generator, data logger, claim meter\u2026)<\/span><\/p>\n

 <\/p>\n

H\u01b0\u1edbng d\u1eabn s\u1eed d\u1ee5ng m\u00e1y hi\u1ec7n s\u00f3ng oscilloscope<\/span><\/h2>\n

A. Panel tr\u01b0\u1edbc:<\/span><\/h3>\n

1. CRT<\/strong><\/span><\/p>\n

POWER: C\u00f4ng t\u1eafc ch\u00ednh c\u1ee7a m\u00e1y, khi b\u1eadt c\u00f4ng t\u1eafc l\u00ean th\u00ec \u0111\u00e8n led s\u1ebd s\u00e1ng<\/span><\/p>\n

INTEN: \u0110i\u1ec1u ch\u1ec9nh \u0111\u1ed9 s\u00e1ng c\u1ee7a \u0111i\u1ec3m ho\u1eb7c tia<\/span><\/p>\n

FOCUS: \u0110i\u1ec1u ch\u1ec9nh \u0111\u1ed9 s\u1eafc n\u00e9t c\u1ee7a h\u00ecnh<\/span><\/p>\n

TRACE RATOTION: \u0110i\u1ec1u ch\u1ec9nh tia song song v\u1edbi \u0111\u01b0\u1eddng k\u1ebb ngang tr\u00ean m\u00e0n h\u00ecnh<\/span><\/p>\n

2. VERTICAL<\/strong><\/span><\/p>\n

CH1 (X): \u0110\u1ea7u v\u00e0o vertical CH1 l\u00e0 tr\u1ee5c X trong ch\u1ebf \u0111\u1ed9 X-Y<\/span><\/p>\n

CH2 (Y): \u0110\u1ea7u v\u00e0o vertical CH2 l\u00e0 tr\u1ee5c Y trong ch\u1ebf \u0111\u1ed9 X-Y<\/span><\/p>\n

AC-GND-DC: Ch\u1ecdn l\u1ef1a ch\u1ebf \u0111\u1ed9 c\u1ee7a t\u00edn hi\u1ec7u v\u00e0o v\u00e0 khu\u1ebfch \u0111\u1ea1i d\u1ecdc<\/span><\/p>\n

– AC n\u1ed1i AC<\/span><\/p>\n

– GND khu\u1ebfch \u0111\u1ea1i d\u1ecdc t\u00edn hi\u1ec7u v\u00e0o \u0111\u01b0\u1ee3c n\u1ed1i \u0111\u1ea5t v\u00e0 t\u00edn hi\u1ec7u v\u00e0o \u0111\u01b0\u1ee3c ng\u1eaft ra<\/span><\/p>\n

– DC n\u1ed1i DC<\/span><\/p>\n

VOLTS\/DIV: Ch\u1ecdn l\u1ef1a \u0111\u1ed9 nh\u1ea1y c\u1ee7a tr\u1ee5c d\u1ecdc t\u1eeb 5mV\/DIV \u0111\u1ebfn 5V\/DIV, t\u1ed5ng c\u1ed9ng l\u00e0 10 t\u1ea7m<\/span><\/p>\n

VAIRIABLE: Tinh ch\u1ec9nh \u0111\u1ed9 nh\u1ea1y v\u1edbi gi\u00e1 tr\u1ecb > 1\/2.5 gi\u00e1 tr\u1ecb \u0111\u1ecdc \u0111\u01b0\u1ee3c. \u0110\u1ed9 nh\u1ea1y \u0111\u01b0\u1ee3c ch\u1ec9nh \u0111\u1ebfn gi\u00e1 tr\u1ecb \u0111\u1eb7c tr\u01b0ng t\u1ea1i v\u1ecb tr\u00ed CAL.<\/span><\/p>\n

POSITION: D\u00f9ng \u0111\u1ec3 \u0111i\u1ec1u ch\u1ec9nh v\u1ecb tr\u00ed c\u1ee7a tia<\/span><\/p>\n

VERT MODE: L\u1ef1a ch\u1ecdn k\u00eanh<\/span><\/p>\n

– CH1: Ch\u1ec9 c\u00f3 1 k\u00eanh CH1<\/span><\/p>\n

– CH1: Ch\u1ec9 c\u00f3 1 k\u00eanh CH1<\/span><\/p>\n

– DUAL: Hi\u1ec3n th\u1ecb c\u1ea3 hai k\u00eanh<\/span><\/p>\n

– ADD: Th\u1ef1c hi\u1ec7n ph\u00e9p c\u1ed9ng (CH1 + CH2) ho\u1eb7c ph\u00e9p tr\u1eeb (CH1-CH2) (ph\u00e9p tr\u1eeb ch\u1ec9 c\u00f3 t\u00e1c d\u1ee5ng khi CH2 INV \u0111\u01b0\u1ee3c nh\u1ea5n).<\/span><\/p>\n

ALT\/CHOP: Khi n\u00fat n\u00e0y \u0111\u01b0\u1ee3c nh\u1ea3 ra trong ch\u1ebf \u0111\u1ed9 Dual th\u00ec k\u00eanh 1 v\u00e0 k\u00eanh 2 \u0111\u01b0\u1ee3c hi\u1ec3n th\u1ecb m\u1ed9t c\u00e1ch lu\u00e2n phi\u00ean, khi n\u00fat n\u00e0y \u0111\u01b0\u1ee3c \u1ea5n v\u00e0o trong ch\u1ebf \u0111\u1ed9 Dual, th\u00ec k\u00eanh 1 v\u00e0 k\u00eanh 2 \u0111\u01b0\u1ee3c hi\u1ec3n th\u1ecb \u0111\u1ed3ng th\u1eddi.<\/span><\/p>\n

3. TRIGGERING<\/strong><\/span><\/p>\n

EXT TRIG IN : \u0110\u1ea7u v\u00e0o Trigger ngo\u00e0i, \u0111\u1ec3 s\u1eed d\u1ee5ng \u0111\u1ea7u v\u00e0o n\u00e0y, ta \u0111i\u1ec1u ch\u1ec9nh Source \u1edf v\u1ecb tr\u00ed EXT<\/span><\/p>\n

SOURCE: D\u00f9ng \u0111\u1ec3 ch\u1ecdn t\u00edn hi\u1ec7u ngu\u1ed3n trigger (trong hay ngo\u00e0i), v\u00e0 t\u00edn hi\u1ec7u \u0111\u1ea7u v\u00e0o EXT TRIG IN<\/span><\/p>\n

– CH1: Ch\u1ecdn Dual hay Add \u1edf Vert Mode, ch\u1ecdn CH1 \u0111\u1ec3 l\u1ea5y t\u00edn hi\u1ec7u ngu\u1ed3n Trigger b\u00ean trong.<\/span><\/p>\n

– CH2: Ch\u1ecdn Dual hay Add \u1edf Vert Mode, ch\u1ecdn CH2 \u0111\u1ec3 l\u1ea5y t\u00edn hi\u1ec7u ngu\u1ed3n Trigger b\u00ean trong.<\/span><\/p>\n

– TRIG.ALT: Ch\u1ecdn Dual hay Add \u1edf Vert Mode, ch\u1ecdn CH1 ho\u1eb7c CH2 \u1edf SOURCE, sau \u0111\u00f3 nh\u1ea5n TRIG.ALT, ngu\u1ed3n Trigger b\u00ean trong s\u1ebd hi\u1ec3n th\u1ecb lu\u00e2n phi\u00ean gi\u1eefa k\u00eanh 1 v\u00e0 k\u00eanh 2.<\/span><\/p>\n

– LINE: Hi\u1ec3n th\u1ecb t\u00edn hi\u1ec7u Trigger t\u1eeb ngu\u1ed3n xoay chi\u1ec1u<\/span><\/p>\n

– EXT: Ch\u1ecdn ngu\u1ed3n t\u00edn hi\u1ec7u Trigger b\u00ean ngo\u00e0i t\u1ea1i \u0111\u1ea7u v\u00e0o EXT TRIG IN<\/span><\/p>\n

– SLOPE: N\u00fat Trigger Slope<\/span><\/p>\n

o \u201c+\u201d Trigger x\u1ea3y ra khi t\u00edn hi\u1ec7u Trigger v\u01b0\u1ee3t qu\u00e1 m\u1ee9c Trigger theo h\u01b0\u1edbng d\u01b0\u01a1ng<\/span><\/p>\n

o \u201c-\u201d Trigger x\u1ea3y ra khi t\u00edn hi\u1ec7u Trigger v\u01b0\u1ee3t qu\u00e1 m\u1ee9c Trigger theo h\u01b0\u1edbng \u00e2m.<\/span><\/p>\n

– TRIGGER MODE: L\u1ef1a ch\u1ecdn ch\u1ebf \u0111\u1ed9 Trigger<\/span><\/p>\n

o Auto: N\u1ebfu kh\u00f4ng c\u00f3 t\u00edn hi\u1ec7u Trigger ho\u1eb7c t\u00edn hi\u1ec7u Trigger nh\u1ecf h\u01a1n 25 Hz th\u00ec m\u1ea1ch qu\u00e9t ph\u00e1t ra t\u00edn hi\u1ec7u qu\u00e9t t\u1ef1 do m\u00e0 kh\u00f4ng c\u1ea7n \u0111\u1ebfn t\u00edn hi\u1ec7u Trigger.<\/span><\/p>\n

o Norm: Khi kh\u00f4ng c\u00f3 t\u00edn hi\u1ec7u Trigger th\u00ec m\u1ea1ch qu\u00e9t \u1edf ch\u1ebf \u0111\u1ed9 ch\u1edd v\u00e0 kh\u00f4ng c\u00f3 t\u00edn hi\u1ec7u n\u00e0o \u0111\u01b0\u1ee3c hi\u1ec3n th\u1ecb.<\/span><\/p>\n

o TV-V: D\u00f9ng \u0111\u1ec3 quan s\u00e1t t\u00edn hi\u1ec7u d\u1ecdc c\u1ee7a h\u00ecnh \u1ea3nh trong TV<\/span><\/p>\n

o TV-H: D\u00f9ng \u0111\u1ec3 quan s\u00e1t t\u00edn hi\u1ec7u ngang c\u1ee7a h\u00ecnh \u1ea3nh trong TV<\/span><\/p>\n

4. TIME BASE<\/strong><\/span><\/p>\n

– TIME\/DIV: Cung c\u1ea5p th\u1eddi gian qu\u00e9t t\u1eeb 0.2 us\/ v\u1ea1ch \u0111\u1ebfn 0.5 s\/v\u1ea1ch v\u1edbi t\u1ed5ng c\u1ed9ng 20 b\u01b0\u1edbc.<\/span><\/p>\n

– X-Y: D\u00f9ng oscilloscope \u1edf ch\u1ebf \u0111\u1ed9 X-Y<\/span><\/p>\n

– SWP.VAR: N\u00fam \u0111i\u1ec1u khi\u1ec3n thang ch\u1ea1y c\u1ee7a th\u1eddi gian qu\u00e9t \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng khi CAL v\u00e0 th\u1eddi gian qu\u00e9t \u0111\u01b0\u1ee3c hi\u1ec7u ch\u1ec9nh gi\u00e1 tr\u1ecb \u0111\u1eb7t tr\u01b0\u1edbc t\u1ea1i TIME\/DIV. Th\u1eddi gian qu\u00e9t c\u1ee7a TIME\/DIV c\u00f3 th\u1ec3 b\u1ecb thay \u0111\u1ed5i m\u1ed9t c\u00e1ch li\u00ean t\u1ee5c khi tr\u1ee5c kh\u00f4ng \u1edf \u0111\u00fang v\u1ecb tr\u00ed CAL. Xoay n\u00fam \u0111i\u1ec1u khi\u1ec3n \u0111\u1ebfn v\u1ecb tr\u00ed CAL v\u00e0 th\u1eddi gian qu\u00e9t \u0111\u01b0\u1ee3c \u0111\u1eb7t tr\u01b0\u1edbc gi\u00e1 tr\u1ecb t\u1ea1i TIME\/DIV. V\u1eb7n n\u00fam \u0111i\u1ec1u khi\u1ec3n ng\u01b0\u1ee3c chi\u1ec1u kim \u0111\u1ed3ng h\u1ed3 \u0111\u1ebfn v\u1ecb tr\u00ed cu\u1ed1i c\u00f9ng \u0111\u1ec3 gi\u1ea3m th\u1eddi gian qu\u00e9t \u0111i 2.5 l\u1ea7n ho\u1eb7c nhi\u1ec1u h\u01a1n.<\/span><\/p>\n

– POSITION: D\u00f9ng \u0111\u1ec3 ch\u1ec9nh v\u1ecb tr\u00ed c\u1ee7a tia theo chi\u1ec1u ngang.<\/span><\/p>\n

– X10 MAG: Ph\u00f3ng \u0111\u1ea1i 10 l\u1ea7n<\/span><\/p>\n

CAL: Cung c\u1ea5p t\u00edn hi\u1ec7u 2Vp-p, 1KHz, xung vu\u00f4ng d\u00f9ng \u0111\u1ec3 ch\u1ec9nh que \u0111o<\/span><\/p>\n

GND: Ti\u1ebfp \u0111\u1ea5t thi\u1ebft b\u1ecb v\u1edbi s\u01b0\u1eddn m\u00e1y.<\/span><\/p>\n

 <\/p>\n

B. Panel sau:<\/span><\/h3>\n

Z AXIS INPUT: Cho \u0111i\u1ec1u bi\u1ebfn m\u1eadt \u0111\u1ed9<\/span><\/p>\n

CH1 SIGNAL OUTPUT: C\u1ea5p \u00e1p 20mV\/v\u1ea1ch t\u1eeb m\u00e1y \u0111\u1ebfm t\u1ea7n<\/span><\/p>\n

AC POWER: Ngu\u1ed3n xoay chi\u1ec1u<\/span><\/p>\n

FUSE: C\u1ea7u ch\u00ec<\/span><\/p>\n

 <\/p>\n

Mua m\u00e1y hi\u1ec7n s\u00f3ng oscilloscope \u1edf \u0111\u00e2u t\u1ed1t?<\/span><\/h2>\n

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Hi\u1ec3u \u0111\u01b0\u1ee3c t\u00e2m l\u00fd c\u1ee7a kh\u00e1ch h\u00e0ng, HOCVIENiT.vn l\u00e0 \u0111\u01a1n v\u1ecb cung c\u1ea5p c\u00e1c d\u00f2ng s\u1ea3n ph\u1ea9m m\u00e1y hi\u1ec7n s\u00f3ng oscilloscope ch\u00ednh h\u00e3ng v\u1edbi gi\u00e1 t\u1ed1t nh\u1ea5t. T\u1ea5t c\u1ea3 c\u00e1c s\u1ea3n ph\u1ea9m hi\u1ec7n b\u00e1n tr\u00ean website hocvienit.vn \u0111\u1ec1u \u0111\u01b0\u1ee3c b\u1ea3o h\u00e0nh ch\u00ednh h\u00e3ng theo quy \u0111\u1ecbnh c\u1ee7a nh\u00e0 s\u1ea3n xu\u1ea5t.<\/span><\/p>\n

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>>> Chi ti\u1ebft s\u1ea3n ph\u1ea9m v\u00e0 mua h\u00e0ng xem t\u1ea1i \u0111\u00e2y <<<<\/span><\/a><\/strong><\/p>\n<\/blockquote>\n

Danh m\u1ee5c s\u1ea3n ph\u1ea9m m\u00e1y hi\u1ec7n s\u00f3ng oscilloscope<\/span><\/h2>\n

– Longwei (HK) Digital oscilloscope 2042L: 40Mhz \u201cOriginal Product\u201d<\/span><\/a><\/p>\n

– Longwei (HK) Digital oscilloscope LW2062L: 1GS\/s-60Mhz \u201cOriginal Product\u201d<\/span><\/a><\/p>\n

– Longwei HK Digital Oscilloscope: LW-2102L-100Mhz\/1GS\/s<\/span><\/a><\/p>\n

– OWON Digital Oscilloscope SDS6062 \u2013 60Mhz<\/span><\/a><\/p>\n

– OWON Digital Oscilloscope SDS7102V \u2013 100Mhz<\/span><\/a><\/p>\n

– OWON MSO7102T Digital Oscilloscope \u2013 100Mhz<\/span><\/a><\/p>\n

– OWON SDS5032E Digital Oscilloscope 30Mhz<\/span><\/a><\/p>\n

– OWON SDS7102 Digital Oscilloscope 100Mhz<\/span><\/a><\/p>\n

 <\/p>\n

M\u1ecdi chi ti\u1ebft xin vui l\u00f2ng li\u00ean h\u1ec7:<\/i><\/p>\n

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\nH\u1ecdc vi\u1ec7n IT.vn \u2013 Truy\u1ec1n ngh\u1ec1 th\u1ef1c t\u1ebf c\u00f9ng b\u1ea1n \u0111\u1ebfn th\u00e0nh c\u00f4ng!\u00a0<\/i><\/strong><\/p>\n

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HOCVIENiT.vn l\u00e0 \u0111\u1ecba ch\u1ec9 cung c\u1ea5p s\u1ea3n ph\u1ea9m m\u00e1y hi\u1ec7n s\u00f3ng oscilloscope t\u1ed1t nh\u1ea5t th\u1ecb tr\u01b0\u1eddng. Ch\u1ea5t l\u01b0\u1ee3ng cao, m\u1ee9c gi\u00e1 t\u1ed1t. Qu\u00fd kh\u00e1ch mua h\u00e0ng vui l\u00f2ng truy c\u1eadp website hocvienit.vn ho\u1eb7c \u0111\u1ebfn tr\u1ef1c ti\u1ebfp \u0111\u1ecba ch\u1ec9: s\u1ed1 8 ng\u00f5 117 Th\u00e1i H\u00e0. Cam k\u1ebft ch\u1ec9 b\u00e1n h\u00e0ng ch\u00ednh h\u00e3ng…<\/p>\n","protected":false},"author":95,"featured_media":12447,"comment_status":"closed","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[96],"tags":[660],"_links":{"self":[{"href":"https:\/\/hocvienit.vn\/index.php?rest_route=\/wp\/v2\/posts\/5076"}],"collection":[{"href":"https:\/\/hocvienit.vn\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/hocvienit.vn\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/hocvienit.vn\/index.php?rest_route=\/wp\/v2\/users\/95"}],"replies":[{"embeddable":true,"href":"https:\/\/hocvienit.vn\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=5076"}],"version-history":[{"count":0,"href":"https:\/\/hocvienit.vn\/index.php?rest_route=\/wp\/v2\/posts\/5076\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/hocvienit.vn\/index.php?rest_route=\/wp\/v2\/media\/12447"}],"wp:attachment":[{"href":"https:\/\/hocvienit.vn\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=5076"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/hocvienit.vn\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=5076"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/hocvienit.vn\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=5076"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}