{"id":3264,"date":"2023-06-01T13:48:54","date_gmt":"2023-06-01T13:48:54","guid":{"rendered":"https:\/\/goghost.net\/?post_type=product&p=3264"},"modified":"2024-03-03T05:01:46","modified_gmt":"2024-03-03T05:01:46","slug":"may-ghi-du-lieu-am-thanh-extech-407780a","status":"publish","type":"product","link":"https:\/\/goghost.net\/san-pham\/may-ghi-du-lieu-am-thanh-extech-407780a\/","title":{"rendered":"M\u00c1Y GHI D\u1eee LI\u1ec6U \u00c2M THANH EXTECH 407780A"},"content":{"rendered":"

\u00a0<\/span>M\u00c1Y GHI D\u1eee LI\u1ec6U \u00c2M THANH T\u00cdCH H\u1ee2P \u0110O LEQ V\u00c0 SEL- 407780A<\/span><\/p>\n

\u2013 Th\u1ef1c hi\u1ec7n \u0111o Leq v\u00e0 SEL<\/p>\n

\u2013 Ki\u1ec3m tra\u00a0 tu\u00e2n th\u1ee7 OSHA<\/p>\n

\u2013 \u0110\u00e1nh gi\u00e1 ti\u1ebfng \u1ed3n m\u00e1y m\u00f3c<\/p>\n

\u2013 L\u01b0u tr\u1eef d\u1eef li\u1ec7u cho c\u00e1c h\u1ed3 s\u01a1 c\u1ea7n thi\u1ebft<\/p>\n

 <\/p>\n

C\u00e1c t\u00ednh n\u0103ng:<\/u><\/strong><\/p>\n

\u00a0<\/u><\/strong>\u2022\u00a0M\u00e0n h\u00ecnh LCD 4 ch\u1eef s\u1ed1 \u0111a ch\u1ee9c n\u0103ng<\/p>\n

\u2022 \u0110\u1ed9 Tuy\u1ebfn t\u00ednh ch\u00ednh x\u00e1c tr\u00ean ph\u1ea1m vi r\u1ed9ng (100dB)<\/p>\n

\u2022\u00a0Hi\u1ec3n th\u1ecb ch\u1ebf \u0111\u1ed9: SPL, SPL MIN \/ MAX, SEL, v\u00e0 Leq<\/p>\n

\u2022\u00a0Th\u1eddi gian t\u00edch h\u1ee3p l\u1eadp tr\u00ecnh<\/p>\n

\u2022\u00a0T\u1ea7n s\u1ed1 tr\u1ecdng A v\u00e0 C<\/p>\n

\u2022\u00a0Thi\u1ebft l\u1eadp ph\u1ea3n \u1ee9ng Xung \/ Nhanh\/ ch\u1eadm<\/p>\n

\u2022\u00a0Ch\u1ee9c n\u0103ng Datalogging ghi l\u00ean \u0111\u1ebfn 32.000 b\u00e0i \u0111\u1ecdc<\/p>\n

\u2022\u00a0Th\u1eddi gian th\u1ef1c, l\u1ecbch \/ \u0111\u1ed3ng h\u1ed3<\/p>\n

\u2022\u00a0Analog v\u00e0 \u0111\u1ea7u ra b\u00e1o \u0111\u1ed9ng v\u1edbi t\u00ednh n\u0103ng c\u00f3 th\u1ec3 \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng \u0111\u1ec3 k\u1ebft n\u1ed1i v\u1edbi m\u00e1y ph\u00e2n t\u00edch t\u1ea7n s\u1ed1, ghi bi\u1ec3u \u0111\u1ed3, dataloggers b\u00ean ngo\u00e0i v\u00e0 b\u00e1o \u0111\u1ed9ng\u00a0m\u1ee9c \u0111\u1ed9 \u00e2m thanh<\/strong><\/p>\n

\u2022\u00a0T\u00edch h\u1ee3p giao di\u1ec7n USB k\u1ebft n\u1ed1i PC v\u1edbi ph\u1ea7n m\u1ec1m t\u01b0\u01a1ng th\u00edch Windows\u00ae<\/p>\n

\u2022\u00a0\u0110\u00e1p \u1ee9ng chu\u1ea9n IEC 61.672-1, 60651\/60804 Lo\u1ea1i 2 v\u00e0 Lo\u1ea1i 2 ANSI S1.4<\/p>\n

\u2022\u00a0\u00a0Cung c\u1ea5p k\u00e8m theo<\/strong>\u00a0: l\u1ecdc gi\u00f3, tu\u1ed1c n\u01a1 v\u00edt \u0111i\u1ec1u ch\u1ec9nh, C\u00e1p USB, ph\u1ea7n m\u1ec1m t\u01b0\u01a1ng th\u00edch Windows \u00ae , pin v\u00e0 h\u1ed9p \u0111\u1ef1ng c\u1ee9ng<\/p>\n

 <\/p>\n

Th\u00f4ng s\u1ed1 k\u1ef9 thu\u1eadt<\/u><\/strong><\/p>\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n
\u0110\u00e1p \u1ee9ng Ti\u00eau chu\u1ea9n<\/td>\nIEC 61.672-1, 60.651 v\u00e0 Lo\u1ea1i 2 60.804\u00a0 ,
\nLo\u1ea1i 2 ANSI S1.4<\/td>\n<\/tr>\n
\u0110\u1ed9 ch\u00ednh x\u00e1c<\/td>\n\u00b1 1.5dB (ref 94dB @ 1KHz)<\/td>\n<\/tr>\n
\u0110\u1ed9 phan gi\u1ea3i<\/td>\n0.1dB<\/td>\n<\/tr>\n
Hi\u1ec7n th\u1ecb<\/td>\nM\u00e0n h\u00ecnh LCD k\u1ef9 thu\u1eadt s\u1ed1<\/td>\n<\/tr>\n
C\u00e1c th\u00f4ng s\u1ed1 \u0111o l\u01b0\u1eddng<\/td>\nSPL, SPL MIN \/ MAX, SEL, v\u00e0 Leq<\/td>\n<\/tr>\n
Ph\u1ea1m vi \u0111o l\u01b0\u1eddng<\/td>\n30dB \u0111\u1ebfn 130dB<\/td>\n<\/tr>\n
Ph\u1ea1m vi tuy\u1ebfn t\u00ednh<\/td>\n100dB<\/td>\n<\/tr>\n
D\u1ea3i t\u1ea7n s\u1ed1 \u0111o<\/td>\n31.5Hz \u0111\u1ebfn 8kHz<\/td>\n<\/tr>\n
T\u1ea7n Tr\u1ecdng<\/td>\nA v\u00e0 C<\/td>\n<\/tr>\n
Th\u1eddi gian \u0111\u00e1p \u1ee9ng<\/td>\nImpulse, Fast v\u00e0 Slow<\/td>\n<\/tr>\n
Microphone<\/td>\n1\/2 \u201cElectret condenser microphone<\/td>\n<\/tr>\n
Th\u1eddi gian l\u1ea5y m\u1eabu<\/td>\nc\u1eadp nh\u1eadt m\u1ed7i 0.5s<\/td>\n<\/tr>\n
Thanh bi\u1ec3u \u0111\u1ed3<\/td>\nB\u01b0\u1edbc 4dB, ph\u1ea1m vi 100dB, c\u1eadp nh\u1eadt 125ms<\/td>\n<\/tr>\n
Ch\u1ee9c n\u0103ng C\u1ea3nh b\u00e1o hi\u1ec3n th\u1ecb<\/td>\n<\/tr>\n
Ch\u1ec9 s\u1ed1 Overrange<\/td>\nHi\u1ec3n th\u1ecb \u1edf gi\u1edbi h\u1ea1n tr\u00ean<\/td>\n<\/tr>\n
Ch\u1ec9 s\u1ed1 Underrange<\/td>\nHi\u1ec3n th\u1ecb \u1edf gi\u1edbi h\u1ea1n d\u01b0\u1edbi<\/td>\n<\/tr>\n
Analog Output AC\/DC<\/td>\n2Vrms (\u1edf quy m\u00f4 \u0111\u1ea7y \u0111\u1ee7), 10mVDC \/ dB<\/td>\n<\/tr>\n
Ngu\u1ed3n Cung c\u1ea5p<\/td>\nB\u1ed1n pin AA 1.5V, adapter AC (t\u00f9y ch\u1ecdn)<\/td>\n<\/tr>\n
Tu\u1ed5i th\u1ecd pin<\/td>\nKho\u1ea3ng 24 gi\u1edd<\/td>\n<\/tr>\n
K\u00edch th\u01b0\u1edbc<\/td>\n10.4\u00d72.8\u00d70.8 \u201c(265x72x21mm)<\/td>\n<\/tr>\n
Tr\u1ecdng l\u01b0\u1ee3ng<\/td>\n10.9oz (310g)<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n","protected":false},"excerpt":{"rendered":"

\u00a0M\u00c1Y GHI D\u1eee LI\u1ec6U \u00c2M THANH T\u00cdCH H\u1ee2P \u0110O LEQ V\u00c0 SEL- 407780A \u2013 Th\u1ef1c hi\u1ec7n \u0111o Leq v\u00e0 SEL \u2013 Ki\u1ec3m tra\u00a0 tu\u00e2n th\u1ee7 OSHA \u2013 \u0110\u00e1nh gi\u00e1 ti\u1ebfng \u1ed3n m\u00e1y m\u00f3c \u2013 L\u01b0u tr\u1eef d\u1eef li\u1ec7u cho c\u00e1c h\u1ed3 s\u01a1 c\u1ea7n thi\u1ebft   C\u00e1c t\u00ednh n\u0103ng: \u00a0\u2022\u00a0M\u00e0n h\u00ecnh LCD 4 ch\u1eef s\u1ed1 \u0111a […]\n","protected":false},"featured_media":3265,"comment_status":"open","ping_status":"closed","template":"","meta":[],"product_cat":[2491],"product_tag":[],"class_list":["post-3264","product","type-product","status-publish","has-post-thumbnail","hentry","product_cat-extech-my"],"yoast_head":"\nM\u00c1Y GHI D\u1eee LI\u1ec6U \u00c2M THANH EXTECH 407780A - Thi\u1ebft B\u1ecb T\u1ea5n T\u00e0i<\/title>\n<meta name=\"description\" content=\"\u00a0M\u00c1Y GHI D\u1eee LI\u1ec6U \u00c2M THANH T\u00cdCH H\u1ee2P \u0110O LEQ V\u00c0 SEL- 407780A\u2013 Th\u1ef1c hi\u1ec7n \u0111o Leq v\u00e0 SEL\u2013 Ki\u1ec3m tra\u00a0 tu\u00e2n th\u1ee7 OSHA\u2013 \u0110\u00e1nh gi\u00e1 ti\u1ebfng \u1ed3n m\u00e1y m\u00f3c\u2013 L\u01b0u tr\u1eef d\u1eef li\u1ec7u\" \/>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/goghost.net\/san-pham\/may-ghi-du-lieu-am-thanh-extech-407780a\/\" \/>\n<meta property=\"og:locale\" content=\"vi_VN\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"M\u00c1Y GHI D\u1eee LI\u1ec6U \u00c2M THANH EXTECH 407780A - 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