{"id":1312,"date":"2018-03-28T09:38:20","date_gmt":"2018-03-28T02:38:20","guid":{"rendered":"http:\/\/icivn.com\/?p=1312"},"modified":"2023-08-18T11:04:00","modified_gmt":"2023-08-18T04:04:00","slug":"ng-dung-nguyen-ly-do-tan-xa-anh-sang-trong-viec-theo-doi-va-giam-sat-nong-do-bui-trong-khoi-thai","status":"publish","type":"post","link":"https:\/\/cargocontrol.com.vn\/?p=1312","title":{"rendered":"\u1ee8ng d\u1ee5ng nguy\u00ean l\u00fd \u0111o t\u00e1n x\u1ea1 \u00e1nh s\u00e1ng trong vi\u1ec7c theo d\u00f5i v\u00e0 gi\u00e1m s\u00e1t n\u1ed3ng \u0111\u1ed9 b\u1ee5i trong kh\u00f3i th\u1ea3i"},"content":{"rendered":"

Nguy\u00ean l\u00fd n\u00e0y s\u1eed d\u1ee5ng h\u1ec7 th\u1ed1ng \u0111\u1ea7u \u0111o quang h\u1ecdc v\u1edbi hai \u0111\u1ea7u sensor ph\u00e1t v\u00e0 thu \u00e1nh s\u00e1ng \u0111\u01b0\u1ee3c ph\u00e1t v\u00e0o v\u00f9ng \u1ed1ng kh\u00f3i th\u1ea3i.<\/p>\n

V\u1edbi nguy\u00ean l\u00fd n\u00e0y h\u00e3ng Tanaka Electric Labotory \u2013 Nh\u1eadt B\u1ea3n \u0111\u00e3 nghi\u00ean c\u1ee9u v\u00e0 ch\u1ebf t\u1ea1o ra h\u1ec7 th\u1ed1ng \u0111o v\u00e0 theo d\u00f5i n\u1ed3ng \u0111\u1ed9 b\u1ee5i trong kh\u00f3i th\u1ea3i DDM-fC, hi\u1ec7n \u0111\u00e3 v\u00e0 \u0111ang \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng r\u1ea5t r\u1ed9ng r\u00e3i hi\u1ec7n nay tr\u00ean kh\u1eafp th\u1ebf gi\u1edbi cho nhi\u1ec1u ng\u00e0nh c\u00f4ng nghi\u1ec7p n\u1eb7ng kh\u00e1c nhau. \u0110\u1eb7c bi\u1ec7t l\u00e0 t\u1ea1i c\u00e1c n\u01b0\u1edbc c\u00f4ng nghi\u1ec7p ph\u00e1t tri\u1ec3n nh\u01b0 M\u1ef9, \u0110\u1ee9c, Nh\u1eadt B\u1ea3n,\u2026 nh\u1eefng n\u01b0\u1edbc m\u00e0 v\u1ea5n \u0111\u1ec1 b\u1ea3o v\u1ec7 m\u00f4i tr\u01b0\u1eddng kh\u00f4ng kh\u00ed c\u0169ng nh\u01b0 lu\u1eadt ki\u1ec3m s\u00f3at \u00f4 nhi\u1ec5m kh\u00f4ng kh\u00ed \u0111\u01b0\u1ee3c tu\u00e2n th\u1ee7 th\u1ef1c hi\u1ec7n m\u1ed9t c\u00e1ch r\u1ea5t nghi\u00eam ng\u1eb7t.<\/p>\n

T\u1ea1i Vi\u1ec7t Nam, th\u00f4ng qua c\u00f4ng ty C\u1ed5 ph\u1ea7n k\u1ef9 thu\u1eadt N\u0103ng l\u01b0\u1ee3ng v\u00e0 M\u00f4i tr\u01b0\u1eddng EEC \u2013 \u0111\u1ea1i di\u1ec7n duy nh\u1ea5t c\u1ee7a H\u00e3ng Tanaka t\u1ea1i Vi\u1ec7t Nam, h\u1ec7 th\u1ed1ng DDM-fC \u0111\u00e3 \u0111\u01b0\u1ee3c l\u1eafp \u0111\u1eb7t v\u00e0 \u0111i v\u00e0o ho\u1ea1t \u0111\u1ed9ng \u1ed5n \u0111\u1ecbnh t\u1ea1i C\u00f4ng ty H\u1eefu h\u1ea1n Xi m\u0103ng Luks (Vi\u1ec7t Nam).<\/p>\n

C\u00f4ng ty H\u1eefu h\u1ea1n Xi m\u0103ng Luks (Vi\u1ec7t Nam) l\u00e0 C\u00f4ng ty 100% v\u1ed1n n\u01b0\u1edbc ngo\u00e0i c\u1ee7a t\u1eadp \u0111o\u00e0n Luks Industrial Limited, hi\u1ec7n c\u00f3 tr\u1ee5 s\u1edf nh\u00e0 m\u00e1y \u0111\u00f3ng t\u1ea1i x\u00e3 T\u1ee9 H\u1ea1, huy\u1ec7n H\u01b0\u01a1ng Tr\u00e0, t\u1ec9nh TT-Hu\u1ebf. C\u00f4ng ty hi\u1ec7n c\u00f3 4 d\u00e2y chuy\u1ec1n s\u1ea3n xu\u1ea5t (4 m\u00e1y nghi\u1ec1n) xi m\u0103ng v\u1edbi t\u1ed5ng c\u00f4ng su\u1ea5t 2,5 tri\u1ec7u t\u1ea5n xi m\u0103ng\/n\u0103m.<\/p>\n

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H\u1ec7 th\u1ed1ng \u0111o v\u00e0 theo d\u00f5i n\u1ed3ng \u0111\u1ed9 b\u1ee5i trong kh\u00f3i th\u1ea3i DDM-fC H\u00e3ng Tanaka \u0111\u01b0\u1ee3c l\u1eafp \u0111\u1eb7t t\u1ea1i ph\u1ea7n \u00e1p \u00e2m, tr\u01b0\u1edbc qu\u1ea1t h\u00fat, sau l\u1ecdc b\u1ee5i t\u00fai nh\u00e0 m\u00e1y xi m\u0103ng Luks- Hu\u1ebf.<\/p>\n

B\u00e0i vi\u1ebft d\u01b0\u1edbi \u0111\u00e2y xin \u0111\u01b0\u1ee3c gi\u1edbi thi\u1ec7u chi ti\u1ebft c\u00e1c h\u00ecnh \u1ea3nh l\u1eafp \u0111\u1eb7t th\u1ef1c t\u1ebf h\u1ec7 th\u1ed1ng DDM-fC t\u1ea1i nh\u00e0 m\u00e1y xi m\u0103ng Luks Hu\u1ebf t\u1ea1i Vi\u1ec7t nam c\u0169ng nh\u01b0 nguy\u00ean l\u00fd t\u00e1n x\u1ea1 \u00e1nh s\u00e1ng \u0111\u1ec3 c\u00e1c Qu\u00fd \u0111\u1ed9c gi\u1ea3 tham kh\u1ea3o, \u0111\u1eb7c bi\u1ec7t l\u00e0 c\u00e1c c\u00e1n b\u1ed9 k\u1ef9 thu\u1eadt, c\u00f4ng ngh\u1ec7 c\u00e1c nh\u00e0 m\u00e1y xi m\u0103ng, nhi\u1ec7t \u0111i\u1ec7n, h\u00f3a ch\u1ea5t \u2013 nh\u1eefng nh\u00e0 m\u00e1y m\u00e0 c\u00e1c h\u1ec7 th\u1ed1ng l\u1ecdc b\u1ee5i t\u0129nh \u0111i\u1ec7n ESP hay l\u1ecdc b\u1ee5i t\u00fai c\u0169ng nh\u01b0 l\u01b0\u1ee3ng kh\u00f3i b\u1ee5i \u0111\u01b0\u1ee3c kh\u1ed1ng ch\u1ebf ph\u00e1t th\u1ea3i ra m\u00f4i tr\u01b0\u1eddng lu\u00f4n d\u00e0nh \u0111\u01b0\u1ee3c s\u1ef1 quan t\u00e2m \u0111\u1eb7c bi\u1ec7t.<\/p>\n

T\u1ea1i nh\u00e0 m\u00e1y xi m\u0103ng Luks (Vi\u1ec7t Nam) qu\u00e1 qu\u00e1 tr\u00ecnh kh\u1ea3o s\u00e1t k\u1ef9 l\u01b0\u1ee1ng t\u1ea1i hi\u1ec7n tr\u01b0\u1eddng c\u0169ng nh\u01b0 \u0111\u1ec3 c\u00f3 th\u1ec3 \u0111\u01b0a ra c\u00e1c bi\u1ec7n ph\u00e1p k\u1ecbp th\u1eddi \u0111\u1ec3 x\u1eed l\u00fd c\u00e1c s\u1ef1 c\u1ed1 t\u1ea1i l\u1ecdc b\u1ee5i t\u00fai khi n\u1ed3ng \u0111\u1ed9 b\u1ee5i v\u01b0\u1ee3t qu\u00e1 gi\u00e1 tr\u1ecb cho ph\u00e9p, c\u00f4ng ty EEC c\u00f9ng chuy\u00ean gia h\u00e3ng Tanaka- Nh\u1eadt B\u1ea3n \u0111\u00e3 l\u1ef1a ch\u1ecdn l\u1eafp \u0111\u1eb7t h\u1ec7 th\u1ed1ng n\u00e0y t\u1ea1i v\u1ecb tr\u00ed ph\u1ea7n \u00e1p \u00e2m, tr\u01b0\u1edbc qu\u1ea1t h\u00fat, sau l\u1ecdc b\u1ee5i t\u00fai c\u1ee7a nh\u00e0 m\u00e1y.<\/p>\n

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C\u00f4ng ty EEC c\u00f9ng chuy\u00ean gia H\u00e3ng Tanaka- Nh\u1eadt B\u1ea3n th\u1ef1c hi\u1ec7n \u0111\u00e0o t\u1ea1o, h\u01b0\u1edbng d\u1eabn k\u1ef9 thu\u1eadt v\u1eadn h\u00e0nh v\u00e0 b\u1ea3o tr\u00ec thi\u1ebft b\u1ecb cho c\u00e1c c\u00e1n b\u1ed9 k\u1ef9 thu\u1eadt nh\u00e0 m\u00e1y xi m\u0103ng Luks- Hu\u1ebf.<\/p>\n

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Chuy\u00ean gia H\u00e3ng Tanaka th\u1ef1c hi\u1ec7n calib thi\u1ebft b\u1ecb t\u1ea1i hi\u1ec7n tr\u01b0\u1eddng<\/div>\n

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H\u1ec7 th\u1ed1ng DDM-fC H\u00e3ng Tanaka \u0111\u00e3 \u0111\u01b0\u1ee3c l\u1eafp \u0111\u1eb7t ho\u00e0n th\u00e0nh v\u00e0 \u0111i v\u00e0o h\u1ecdat \u0111\u1ed9ng \u1ed5n \u0111\u1ecbnh t\u1ea1i nh\u00e0 m\u00e1y xi m\u0103ng Luks- Hu\u1ebf<\/p>\n

T\u00ecm hi\u1ec3u v\u1ec1 h\u1ec7 th\u1ed1ng theo d\u00f5i v\u00e0 gi\u00e1m s\u00e1t n\u1ed3ng \u0111\u1ed9 b\u1ee5i trong kh\u00f3i th\u1ea3i DDM-fC…<\/div>\n<\/div>\n
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H\u00ecnh 1- H\u1ec7 th\u1ed1ng theo d\u00f5i v\u00e0 gi\u00e1m s\u00e1t n\u1ed3ng \u0111\u1ed9 b\u1ee5i DDM-fc<\/div>\n

H\u1ec7 th\u1ed1ng ki\u1ec3m so\u00e1t n\u1ed3ng \u0111\u1ed9 b\u1ee5i\u00a0DDM-fC c\u1ee7a H\u00e3ng Tanaka Electric Lab l\u00e0 h\u1ec7 th\u1ed1ng ki\u1ec3m so\u00e1t b\u1ee5i th\u1eddi gian th\u1ef1c hi\u1ec7u su\u1ea5t cao, h\u1ec7 th\u1ed1ng n\u00e0y \u0111\u01b0\u1ee3c thi\u1ebft k\u1ebf ph\u00f9 h\u1ee3p v\u1edbi c\u00e1c \u0111i\u1ec1u ki\u1ec7n m\u00f4i tr\u01b0\u1eddng c\u00f4ng nghi\u1ec7p kh\u1eafc nghi\u1ec7t nh\u01b0 nhi\u1ec7t \u0111\u1ed9 cao (820\u02daC), \u00e1p su\u1ea5t l\u1edbn (246 kPa), \u0111\u1ed9 \u1ea9m cao v\u00e0 m\u00f4i tr\u01b0\u1eddng nhi\u1ec5m \u0111i\u1ec7n cao. N\u00f3 c\u00f3 th\u1ec3 \u0111o n\u1ed3ng \u0111\u1ed9 b\u1ee5i xu\u1ed1ng \u0111\u1ebfn 1 mg\/Nm3 theo quy \u0111\u1ecbnh c\u1ee7a Lu\u1eadt ki\u1ec3m so\u00e1t \u00f4 nhi\u1ec5m kh\u00f4ng kh\u00ed. N\u00f3 \u0111\u01b0\u1ee3c thi\u1ebft k\u1ebf c\u1ea3 cho tr\u01b0\u1eddng h\u1ee3p l\u00e0m vi\u1ec7c \u0111\u1ed9c l\u1eadp v\u00e0 cho h\u1ec7 th\u1ed1ng gi\u00e1m s\u00e1t li\u00ean t\u1ee5c CEMS (h\u1ec7 th\u1ed1ng gi\u00e1m s\u00e1t kh\u00ed ph\u00e1t th\u1ea3i li\u00ean t\u1ee5c).<\/p>\n

C\u00e1c t\u00edn hi\u1ec7u t\u1eeb h\u1ec7 th\u1ed1ng n\u00e0y c\u00f3 th\u1ec3 d\u1ec5 d\u00e0ng k\u1ebft n\u1ed1i t\u1edbi h\u1ec7 th\u1ed1ng DCS (H\u1ec7 th\u1ed1ng \u0111i\u1ec1u khi\u1ec3n ph\u00e2n t\u00e1n). H\u1ec7 th\u1ed1ng DDM-fC l\u00e0 m\u1ed9t s\u1ea3n ph\u1ea9m ho\u00e0n h\u1ea3o v\u00e0 ph\u00f9 h\u1ee3p cho c\u1ea3 vi\u1ec7c l\u1eafp \u0111\u1eb7t m\u1edbi ho\u1eb7c thay th\u1ebf cho h\u1ec7 th\u1ed1ng gi\u00e1m s\u00e1t b\u1ee5i kh\u00f4ng \u1ed5n \u0111\u1ecbnh hi\u1ec7n c\u00f3 c\u1ee7a c\u00e1c nh\u00e0 m\u00e1y.<\/p>\n

H\u1ec7 th\u1ed1ng DDM-fC bao g\u1ed3m h\u1ec7 th\u1ed1ng \u0111\u1ea7u \u0111o quang h\u1ecdc, d\u00e2y c\u00e1p quang, t\u1ee7 \u0111i\u1ec1u khi\u1ec3n trung t\u00e2m, v\u00e0 h\u1ec7 th\u1ed1ng kh\u00ed ch\u00e8n l\u00e0m s\u1ea1ch. H\u1ec7 th\u1ed1ng \u0111\u1ea7u \u0111o quang h\u1ecdc s\u1eed d\u1ee5ng ph\u01b0\u01a1ng ph\u00e1p t\u00e1n x\u1ea1 \u00e1nh s\u00e1ng \u0111\u1ec3 \u0111o ch\u00ednh x\u00e1c n\u1ed3ng \u0111\u1ed9 b\u1ee5i b\u00ean trong \u1ed1ng kh\u00f3i. H\u1ec7 th\u1ed1ng n\u00e0y c\u00f3 thi\u1ebft k\u1ebf r\u1ea5t \u0111\u1ed9c \u0111\u00e1o v\u00e0 s\u00e1ng t\u1ea1o \u0111\u1ec3 c\u00f3 th\u1ec3 ho\u1ea1t \u0111\u1ed9ng \u0111o ch\u00ednh x\u00e1c, tin c\u1eady v\u00e0 v\u1edbi y\u00eau c\u1ea7u b\u1ea3o tr\u00ec th\u1ea5p. C\u00e1c b\u1ed9 vi x\u1eed l\u00fd \u0111i\u1ec1u khi\u1ec3n cho trung t\u00e2m \u0111i\u1ec1u khi\u1ec3n ch\u00ednh ph\u00e2n t\u00edch c\u00e1c d\u1eef li\u1ec7u t\u1eeb h\u1ec7 th\u1ed1ng \u0111o quang h\u1ecdc v\u00e0 truy\u1ec1n \u0111i c\u00e1c t\u00edn hi\u1ec7u c\u1ea3nh b\u00e1o t\u1edbi h\u1ec7 th\u1ed1ng \u0111i\u1ec1u khi\u1ec3n ph\u00e2n t\u00e1n (DCS) \u0111\u1ec3 ki\u1ec3m so\u00e1t to\u00e0n b\u1ed9 nh\u00e0 m\u00e1y ho\u1eb7c \u0111i\u1ec1u khi\u1ec3n h\u1ec7 th\u1ed1ng ki\u1ec3m so\u00e1t b\u1ee5i nh\u01b0 h\u1ec7 th\u1ed1ng l\u1ecdc b\u1ee5i t\u00fai hay b\u1ed9 l\u1ecdc b\u1ee5i t\u0129nh \u0111i\u1ec7n ESP nh\u1eb1m tr\u00e1nh \u00f4 nhi\u1ec5m m\u00f4i tr\u01b0\u1eddng ho\u1eb7c \u0111i\u1ec1u khi\u1ec3n c\u00e1c h\u1ec7 th\u1ed1ng \u0111\u1ec3 gi\u1ea3m thi\u1ec3u c\u00e1c chi ph\u00ed v\u1eadn h\u00e0nh c\u1ee7a nh\u00e0 m\u00e1y. C\u00e1c d\u1eef li\u1ec7u ph\u00e2n t\u00edch c\u00f3 th\u1ec3 \u0111\u01b0\u1ee3c truy\u1ec1n \u0111\u1ebfn DCS \u0111\u1ec3 l\u01b0u tr\u1eef v\u00e0 s\u1eed d\u1ee5ng cho c\u00e1c ph\u00e2n t\u00edch trong t\u01b0\u01a1ng lai.<\/p>\n

Nguy\u00ean l\u00fd \u0111o t\u00e1n x\u1ea1 \u00e1nh s\u00e1ng c\u1ee7a Tanaka Electrict Lab.<\/p>\n

1)\u00a0 C\u01a1 s\u1edf l\u00fd thuy\u1ebft:<\/p>\n

\u2022\u00a0 S\u1ef0 T\u00c1N X\u1ea0 \u00c1NH S\u00c1NG<\/p>\n

Ch\u00fang ta th\u01b0\u1eddng gi\u1ea3 thi\u1ebft r\u1eb1ng \u00e1nh s\u00e1ng truy\u1ec1n trong m\u00f4i tr\u01b0\u1eddng \u0111\u1ed3ng t\u00ednh, tuy nhi\u00ean trong th\u1ef1c t\u1ebf l\u1ea1i kh\u00f4ng c\u00f3 m\u00f4i tr\u01b0\u1eddng n\u00e0o ho\u00e0n to\u00e0n \u0111\u1ed3ng t\u00ednh, m\u00e0 bao gi\u1edd c\u0169ng xu\u1ea5t hi\u1ec7n \u0111\u1ed9 ch\u00eanh l\u1ec7ch c\u1ee7a\u00a0 m\u1eadt \u0111\u1ed9, nhi\u1ec7t \u0111\u1ed9 do chuy\u1ec3n \u0111\u1ed9ng nhi\u1ec7t c\u1ee7a c\u00e1c nguy\u00ean t\u1eed, ph\u00e2n t\u1eed c\u1ea5u t\u1ea1o n\u00ean m\u00f4i tr\u01b0\u1eddng. Trong m\u00f4i tr\u01b0\u1eddng nh\u01b0 th\u1ebf \u00e1nh s\u00e1ng kh\u00f4ng nh\u1eefng truy\u1ec1n th\u1eb3ng m\u00e0 c\u00f2n theo c\u00e1c ph\u01b0\u01a1ng kh\u00e1c, t\u1ee9c l\u00e0 b\u1ecb t\u00e1n x\u1ea1. \u00d0\u00f3 l\u00e0 s\u1ef1 t\u00e1n x\u1ea1 th\u01b0\u1eddng \u0111\u01b0\u1ee3c g\u1ecdi l\u00e0 t\u00e1n x\u1ea1 ph\u00e2n t\u1eed.<\/p>\n

M\u1ed9t s\u1ed1 m\u00f4i tr\u01b0\u1eddng c\u00f2n c\u00f3 th\u1ec3 c\u00f3 c\u00e1c h\u1ea1t l\u1ea1, m\u00e0 chi\u1ebft su\u1ea5t v\u00e0 h\u1ec7 s\u1ed1 h\u1ea5p th\u1ee5 c\u1ee7a ch\u00fang kh\u00e1c v\u1edbi chi\u1ebft su\u1ea5t v\u00e0 h\u1ec7 s\u1ed1 h\u1ea5p th\u1ee5 c\u1ee7a c\u00e1c nguy\u00ean t\u1eed v\u00e0 ph\u00e2n t\u1eed c\u1ea5u t\u1ea1o n\u00ean m\u00f4i tr\u01b0\u1eddng. M\u00f4i tr\u01b0\u1eddng ch\u1ee9a c\u00e1c h\u1ea1t l\u1ea1 nh\u01b0 v\u1eady \u0111\u01b0\u1ee3c g\u1ecdi l\u00e0 m\u00f4i tr\u01b0\u1eddng v\u1ea9n \u0111\u1ee5c v\u00e0 n\u00f3 t\u00e1n x\u1ea1 \u00e1nh s\u00e1ng theo m\u1ecdi ph\u01b0\u01a1ng g\u1ecdi l\u00e0 t\u00e1n x\u1ea1 b\u1edfi c\u00e1c h\u1ea1t nh\u1ecf hay l\u00e0 t\u00e1n x\u1ea1 Tyndall. C\u00e1c h\u1ea1t l\u1ea1 \u0111\u00f3 c\u00f3 th\u1ec3 l\u00e0 c\u00e1c h\u1ea1t r\u1eafn trong kh\u00f4ng kh\u00ed nh\u01b0 kh\u00f3i, b\u1ee5i, c\u00e1c h\u1ea1t n\u01b0\u1edbc trong s\u01b0\u01a1ng m\u00f9, c\u00e1c h\u1ea1t keo trong dung d\u1ecbch keo…V\u1eady nguy\u00ean nh\u00e2n l\u00e0m t\u00e1n x\u1ea1 \u00e1nh s\u00e1ng trong c\u1ea3 hai tr\u01b0\u1eddng h\u1ee3p tr\u00ean \u0111\u1ec1u l\u00e0 s\u1ef1 kh\u00f4ng \u0111\u1ed3ng t\u00ednh quang h\u1ecdc c\u1ee7a m\u00f4i tr\u01b0\u1eddng.<\/p>\n

S\u1ef1 t\u00e1n x\u1ea1 \u00e1nh s\u00e1ng b\u1edfi c\u00e1c h\u1ea1t nh\u1ecf<\/p>\n

Hi\u1ec7n t\u01b0\u1ee3ng t\u00e1n x\u1ea1 \u00e1nh s\u00e1ng trong m\u00f4i tr\u01b0\u1eddng v\u1ea9n \u0111\u1ee5c \u0111\u1ea7u ti\u00ean \u0111\u01b0\u1ee3c Tyndall nghi\u00ean c\u1ee9u n\u0103m 1869 n\u00ean c\u00f2n \u0111\u01b0\u1ee3c g\u1ecdi l\u00e0 hi\u1ec7n t\u01b0\u1ee3ng Tyndall. Cho m\u1ed9t ch\u00f9m tia s\u00e1ng song song \u0111i qua m\u1ed9t \u1ed1ng th\u1ee7y tinh \u0111\u1ef1ng n\u01b0\u1edbc tinh khi\u1ebft.<\/p>\n

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N\u1ebfu quan s\u00e1t theo ph\u01b0\u01a1ng OA (ph\u01b0\u01a1ng c\u1ee7a ch\u00f9m tia t\u1edbi) s\u1ebd th\u1ea5y c\u00f3 \u00e1nh s\u00e1ng; c\u00f2n theo ph\u01b0\u01a1ng kh\u00e1c, ch\u1eb3n h\u1ea1n ph\u01b0\u01a1ng OB vu\u00f4ng g\u00f3c v\u1edbi ph\u01b0\u01a1ng \u00e1nh s\u00e1ng t\u1edbi s\u1ebd kh\u00f4ng nh\u00ecn th\u1ea5y ch\u00f9m tia s\u00e1ng trong \u1ed1ng. N\u01b0\u1edbc tinh khi\u1ebft l\u00e0 m\u00f4i tr\u01b0\u1eddng \u0111\u1ed3ng t\u00ednh quang h\u1ecdc, n\u00ean n\u00f3 kh\u00f4ng t\u00e1n x\u1ea1 \u00e1nh s\u00e1ng. B\u00e2y gi\u1edd nh\u1ecf v\u00e0i gi\u1ecdt s\u1eefa v\u00e0o \u1ed1ng v\u00e0 l\u1eafc \u0111\u1ec1u. Nh\u00ecn v\u00e0o \u1ed1ng theo ph\u01b0\u01a1ng OB ta s\u1ebd nh\u00ecn th\u1ea5y \u00e1nh s\u00e1ng trong \u1ed1ng. V\u1eady ch\u1ea5t l\u1ecfng trong \u1ed1ng b\u00e2y gi\u1edd l\u00e0 m\u1ed9t m\u00f4i tr\u01b0\u1eddng v\u1eabn \u0111\u1ee5c, t\u00e1n x\u1ea1 \u00e1nh s\u00e1ng \u0111i qua n\u00f3.<\/p>\n

Nghi\u00ean c\u1ee9u hi\u1ec7n t\u01b0\u1ee3ng t\u00e1n x\u1ea1 \u00e1nh s\u00e1ng trong m\u00f4i tr\u01b0\u1eddng v\u1ea9n \u0111\u1ee5c, ch\u1ee9a c\u00e1c h\u1ea1t l\u1ea1 c\u00f3 k\u00edch th\u01b0\u1edbc b\u00e9 so v\u1edbi b\u01b0\u1edbc s\u00f3ng c\u1ee7a \u00e1nh s\u00e1ng th\u1ea5y \u0111\u01b0\u1ee3c (0.2 \u2013 0.1\u03bb) v\u00e0 quan s\u00e1t \u00e1nh s\u00e1ng t\u00e1n x\u1ea1 theo c\u00e1c ph\u01b0\u01a1ng l\u00e0m v\u1edbi ph\u01b0\u01a1ng c\u1ee7a ch\u00f9m tia t\u1edbi nh\u1eefng g\u00f3c \u03c6 kh\u00e1c nhau. Tyndall \u0111\u00e3 r\u00fat ra \u0111\u01b0\u1ee3c quy lu\u1eadt:<\/p>\n

a.\u00a0 N\u1ebfu ch\u00f9m tia t\u1edbi l\u00e0 \u00e1nh s\u00e1ng tr\u1eafng th\u00ec \u00e1nh s\u00e1ng t\u00e1n x\u1ea1 theo ph\u01b0\u01a1ng l\u00e0m v\u1edbi ch\u00f9m tia t\u1edbi m\u1ed9t g\u00f3c \u03b1 \u2260 0 s\u1ebd ng\u1ea3 v\u1ec1 m\u00e0u xanh lam, n\u00f3i c\u00e1ch kh\u00e1c \u00e1nh s\u00e1ng c\u00f3 b\u01b0\u1edbc s\u00f3ng ng\u1eafn trong mi\u1ec1n quang ph\u1ed5 th\u1ea5y \u0111\u01b0\u1ee3c s\u1ebd b\u1ecb t\u00e1n x\u1ea1 m\u1ea1nh nh\u1ea5t.
\nb.\u00a0 N\u1ebfu \u00e1nh s\u00e1ng t\u1edbi l\u00e0 \u00e1nh s\u00e1ng t\u1ef1 nhi\u00ean th\u00ec \u00e1nh s\u00e1ng t\u00e1n x\u1ea1 l\u00e0m v\u1edbi ph\u01b0\u01a1ng c\u1ee7a ch\u00f9m tia t\u1edbi m\u1ed9t g\u00f3c 0 \u02c2 \u03c6 \u02c2 90o b\u1ecb ph\u00e2n c\u1ef1c m\u1ed9t ph\u1ea7n v\u00e0 theo ph\u01b0\u01a1ng vu\u00f4ng g\u00f3c \u03c6 = 90o b\u1ecb ph\u00e2n c\u1ef1c ph\u1eb3ng ho\u00e0n to\u00e0n (n\u1ebfu c\u00e1c h\u1ea1t t\u00e1n x\u1ea1 \u0111\u1eb3ng h\u01b0\u1edbng). Vect\u01a1 \u0111i\u1ec7n E c\u1ee7a \u00e1nh s\u00e1ng t\u00e1n x\u1ea1 vu\u00f4ng g\u00f3c v\u1edbi m\u1eb7t ph\u1eb3ng ch\u1ee9a tia t\u1edbi v\u00e0 ph\u01b0\u01a1ng quan s\u00e1t.<\/p>\n

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2)\u00a0 H\u1ec7 th\u1ed1ng DDM-fC theo nguy\u00ean l\u00fd \u0111o t\u00e1n x\u1ea1 \u00e1nh s\u00e1ng
\n(Tanaka Electric Laboratory Light Scattering Detector)<\/p>\n

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H\u00ecnh 2- S\u01a1 \u0111\u1ed3 nguy\u00ean l\u00fd \u0111o t\u00e1n x\u1ea1 \u00e1nh s\u00e1ng<\/div>\n

H\u1ec7 th\u1ed1ng sensor \u0111o quang h\u1ecdc g\u1ed3m c\u00f3 c\u00e1c \u0111\u1ea7u sensor ph\u00e1t v\u00e0 thu \u00e1nh s\u00e1ng t\u00e1n x\u1ea1 t\u1eeb c\u00e1c h\u1ea1t b\u1ee5i trong \u1ed1ng kh\u00f3i, hai \u0111\u1ea7u sensor n\u00e0y \u0111\u01b0\u1ee3c \u0111\u1eb7t theo ph\u01b0\u01a1ng vu\u00f4ng g\u00f3c 90o v\u1edbi nhau. Ph\u00eda \u0111\u1ea7u ph\u00e1t s\u1ebd ph\u00e1t \u00e1nh s\u00e1ng t\u1eeb ngu\u1ed3n s\u00e1ng halogen v\u00e0o v\u00f9ng b\u1ee5i b\u00ean trong \u1ed1ng kh\u00f3i th\u1ea3i, theo nguy\u00ean l\u00fd t\u00e1n x\u1ea1 \u00e1nh s\u00e1ng, c\u00e1c \u00e1nh s\u00e1ng t\u00e1n x\u1ea1 ph\u00e1t ra t\u1eeb c\u00e1c lu\u1ed3ng h\u1ea1t b\u1ee5i n\u00e0y s\u1ebd truy\u1ec1n t\u1edbi \u0111\u1ea7u sensor quang \u1edf ph\u00eda \u0111\u1ea7u thu \u00e1nh s\u00e1ng, v\u00e0 \u0111\u01b0a t\u00edn hi\u1ec7u n\u00e0y t\u1edbi b\u1ea3ng m\u1ea1ch x\u1eed l\u00fd t\u00edn hi\u1ec7u \u1edf t\u1ee7 \u0111i\u1ec1u khi\u1ec3n ch\u00ednh \u0111\u1ec3 x\u1eed l\u00fd th\u00e0nh c\u00e1c t\u00edn hi\u1ec7u \u0111i\u1ec7n v\u1edbi r\u01a1 le \u0111\u1ea7u ra c\u1ea3nh b\u00e1o m\u1ea5t ngu\u1ed3n, c\u1ea3nh b\u00e1o b\u00e1o l\u1ed7i khi b\u01a1m c\u1ea5p kh\u00ed ch\u00e8n h\u1ecfng, hi\u1ec3n th\u1ecb th\u00f4ng s\u1ed1 n\u1ed3ng \u0111\u1ed9 b\u1ee5i tr\u00ean m\u00e0n h\u00ecnh LCD v\u00e0 \u0111\u01b0a ra \u0111\u1ea7u ra c\u00e1ch ly 4~20mA \u0111\u1ec3 \u0111\u01b0a ti\u1ebfp v\u1ec1 h\u1ec7 DCS c\u1ee7a nh\u00e0 m\u00e1y.<\/p>\n

Nguy\u00ean l\u00fd \u0111o t\u00e1n x\u1ea1 \u00e1nh s\u00e1ng c\u1ee7a Tanaka Electric Laboratory \u0111\u1ea3m b\u1ea3o \u0111\u01b0a ra \u0111\u01b0\u1ee3c k\u1ebft qu\u1ea3 \u0111o \u0111\u00e1ng tin c\u1eady trong c\u00e1c \u0111i\u1ec1u ki\u1ec7n kh\u1eafc nghi\u1ec7t nh\u01b0 kh\u00f3i b\u1ee5i t\u00edch \u0111i\u1ec7n cao, kh\u00f3i c\u00f3 \u0111\u1ed9 \u1ea9m l\u1edbn v\u00e0 kh\u00f3i c\u00f3 v\u1eadn t\u1ed1c th\u01b0\u1eddng xuy\u00ean thay \u0111\u1ed5i. Di\u1ec7n t\u00edch khu v\u1ef1c \u0111o b\u1ee5i c\u1ee7a thi\u1ebft b\u1ecb r\u1ed9ng theo c\u1ea3 ba chi\u1ec1u, bao g\u1ed3m c\u1ea3 v\u00f9ng di\u1ec7n t\u00edch r\u1ed9ng b\u00ean trong c\u1ee7a \u1ed1ng kh\u00f3i v\u00e0 h\u1ec7 th\u1ed1ng \u0111o quang h\u1ecdc c\u00f3 \u0111\u1ed9 nh\u1ea1y r\u1ea5t cao. Nguy\u00ean l\u00fd \u0111o t\u00e1n x\u1ea1 \u00e1nh s\u00e1ng s\u1eed d\u1ee5ng b\u1ed9 c\u1ea3m bi\u1ebfn quang h\u1ecdc \u0111\u1ea3m b\u1ea3o kh\u1ea3 n\u0103ng ch\u1ed1ng nhi\u1ec5u r\u1ea5t t\u1ed1t. Thi\u1ebft k\u1ebf \u0111\u1ed9c \u0111\u00e1o c\u1ee7a h\u1ec7 th\u1ed1ng n\u00e0y th\u1ec3 hi\u1ec7n \u1edf ch\u1ed7 l\u00e0 t\u00edch h\u1ee3p
\nh\u1ec7 th\u1ed1ng kh\u00ed ch\u00e8n gi\u00fap c\u00e1c \u0111\u1ea7u c\u1ea3m bi\u1ebfn lu\u00f4n \u0111\u01b0\u1ee3c l\u00e0m s\u1ea1ch v\u00e0 do \u0111\u00f3 h\u1ea7u nh\u01b0 kh\u00f4ng c\u1ea7n b\u1ea3o tr\u00ec trong qu\u00e1 tr\u00ecnh s\u1eed d\u1ee5ng. Ngo\u00e0i ra, vi\u1ec7c l\u1eafp \u0111\u1eb7t to\u00e0n b\u1ed9 thi\u1ebft b\u1ecb c\u0169ng r\u1ea5t \u0111\u01a1n gi\u1ea3n. Thi\u1ebft b\u1ecb DDM-fC c\u1ee7a Tanaka c\u00f3 \u01b0u \u0111i\u1ec3m h\u01a1n h\u1eb3n c\u00e1c thi\u1ebft b\u1ecb \u0111o n\u1ed3ng \u0111\u1ed9 b\u1ee5i kh\u00e1c s\u1eed d\u1ee5ng c\u00e1c nguy\u00ean l\u00fd \u0111o truy\u1ec1n th\u1ed1ng l\u00e0 d\u00f9ng \u0111i\u1ec7n c\u1ef1c (electrode method) ho\u1eb7c ph\u01b0\u01a1ng ph\u00e1p \u0111o quang th\u1ea5u (optical penetration method), c\u1ee5 th\u1ec3:<\/p>\n

* Ph\u01b0\u01a1ng ph\u00e1p \u0111o b\u1eb1ng \u0111i\u1ec7n c\u1ef1c (Electrode method)<\/p>\n

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H\u00ecnh 3- H\u00ecnh \u1ea3nh m\u00f4 t\u1ea3 thi\u1ebft b\u1ecb \u0111o ki\u1ec3u \u0111i\u1ec7n c\u1ef1c<\/div>\n

V\u1ec1 m\u1eb7t l\u00fd thuy\u1ebft ph\u01b0\u01a1ng ph\u00e1p \u0111o b\u1eb1ng \u0111i\u1ec7n c\u1ef1c (electrode method) t\u01b0\u01a1ng \u0111\u1ed1i ch\u00ednh x\u00e1c, tuy nhi\u00ean ph\u01b0\u01a1ng ph\u00e1p n\u00e0y l\u1ea1i c\u00f3 nh\u1eefng nh\u01b0\u1ee3c \u0111i\u1ec3m nh\u01b0:
\n–\u00a0 C\u00e1c t\u00edn hi\u1ec7u\u00a0 \u0111\u1ea7u ra th\u01b0\u1eddng b\u1ecb nhi\u1ec5u do\u00a0 \u0111\u1ed9\u00a0 \u1ea9m v\u00e0 do\u00a0 \u0111\u00f3 k\u1ebft qu\u1ea3\u00a0 \u0111o n\u1ed3ng\u00a0 \u0111\u1ed9 b\u1ee5i l\u00e0 kh\u00f4ng \u0111\u00e1ng tin c\u1eady.
\n–\u00a0 Kh\u00f4ng ph\u00f9 h\u1ee3p khi l\u1eafp \u0111\u1eb7t \u1edf \u0111\u1ea7u ra c\u1ee7a c\u00e1c b\u1ed9 l\u1ecdc b\u1ee5i t\u0129nh \u0111i\u1ec7n ESP\/ EP.
\n–\u00a0 Kh\u00f4ng th\u1ec3 calib d\u1ea3i v\u00e0 \u0111i\u1ec3m 0.<\/p>\n

* Ph\u01b0\u01a1ng ph\u00e1p \u0111o quang th\u1ea5u (Optical penetration method):<\/p>\n

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H\u00ecnh 4- H\u00ecnh \u1ea3nh m\u00f4 t\u1ea3 nguy\u00ean l\u00fd \u0111o theo ph\u01b0\u01a1ng ph\u00e1p quang th\u1ea5u<\/div>\n

Ph\u01b0\u01a1ng ph\u00e1p \u0111o quang th\u1ea5u (optical penetration method): cho lu\u1ed3ng \u00e1nh s\u00e1ng \u0111i xuy\u00ean qua kh\u00f3i t\u1eeb 1 ph\u00eda c\u1ee7a \u1ed1ng kh\u00f3i v\u00e0 n\u1ed3ng \u0111\u1ed9 b\u1ee5i s\u1ebd t\u01b0\u01a1ng \u1ee9ng v\u1edbi c\u01b0\u1eddng \u0111\u1ed9 h\u1ea5p th\u1ee5 l\u1ea1i \u00e1nh s\u00e1ng \u0111\u00f3 \u1edf \u0111\u1ea7u kia). Vi\u1ec7c \u0111\u1ea7u t\u01b0 cho thi\u1ebft b\u1ecb theo ph\u01b0\u01a1ng ph\u00e1p n\u00e0y t\u01b0\u01a1ng \u0111\u1ed1i th\u1ea5p, tuy nhi\u00ean l\u1ea1i g\u1eb7p nh\u1eefng nh\u01b0\u1ee3c \u0111i\u1ec3m nh\u01b0:
\n–\u00a0 Th\u01b0\u1eddng ph\u1ee5 thu\u1ed9c r\u1ea5t nhi\u1ec1u v\u00e0o t\u00ednh ch\u1ea5t c\u1ee7a t\u1eebng lo\u1ea1i kh\u00f3i b\u1ee5i.
\n–\u00a0 \u0110\u00f2i h\u1ecfi 2 \u0111\u1ea7u thi\u1ebft b\u1ecb ph\u00eda truy\u1ec1n v\u00e0 h\u1ea5p th\u1ee5 \u00e1nh s\u00e1ng ph\u1ea3i \u0111\u1ed3ng tr\u1ee5c
\n–\u00a0 Di\u1ec7n t\u00edch v\u00f9ng\u00a0 \u0111o theo ph\u01b0\u01a1ng ph\u00e1p n\u00e0y th\u01b0\u1eddng r\u1ea5t nh\u1ecf h\u1eb9p v\u00e0 do\u00a0 \u0111\u00f3 th\u00f4ng s\u1ed1 \u0111o th\u01b0\u1eddng kh\u00f4ng ch\u00ednh x\u00e1c.
\n–\u00a0 Vi\u1ec7c l\u1eafp \u0111\u1eb7t thi\u1ebft b\u1ecb r\u1ea5t kh\u00f3 kh\u0103n v\u00e0 c\u00f4ng vi\u1ec7c b\u1ea3o tr\u00ec ph\u1ee9c t\u1ea1p, t\u1ed1n k\u00e9m.<\/p>\n

L\u1eafp \u0111\u1eb7t r\u1ea5t d\u1ec5 d\u00e0ng v\u00e0 \u0111\u01a1n gi\u1ea3n<\/p>\n

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B\u1ea3o tr\u00ec h\u1ec7 th\u1ed1ng r\u1ea5t d\u1ec5 d\u00e0ng v\u00e0 \u0111\u01a1n gi\u1ea3n<\/p>\n

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H\u1ec7 th\u1ed1ng DDM-fC c\u00f3 th\u1ec3 \u0111\u01b0\u1ee3c l\u1eafp \u0111\u1eb7t, hi\u1ec7u ch\u1ec9nh v\u00e0 b\u1ea3o tr\u00ec ngay c\u1ea3 trong khi nh\u00e0 m\u00e1y v\u1eabn \u0111ang v\u1eadn h\u00e0nh v\u1edbi b\u1ee5i kh\u00f3i \u0111ang ch\u1ea1y trong \u1ed1ng kh\u00f3i. Vi\u1ec7c n\u00e0y kh\u00f4ng h\u1ec1 \u1ea3nh h\u01b0\u1edfng \u0111\u1ebfn vi\u1ec7c s\u1ea3n xu\u1ea5t c\u1ee7a nh\u00e0 m\u00e1y. Trong khi h\u1ea7u h\u1ebft c\u00e1c h\u1ec7 th\u1ed1ng \u0111o ki\u1ec3m so\u00e1t b\u1ee5i c\u1ee7a c\u00e1c h\u00e3ng kh\u00e1c \u0111\u1ec1u c\u1ea7n ph\u1ea3i d\u1eebng nh\u00e0 m\u00e1y m\u1edbi c\u00f3 th\u1ec3 th\u1ef1c hi\u1ec7n \u0111\u01b0\u1ee3c c\u00f4ng vi\u1ec7c l\u1eafp \u0111\u1eb7t v\u00e0 b\u1ea3o tr\u00ec.<\/p>\n

C\u00e1c l\u1ee3i \u00edch mang l\u1ea1i<\/p>\n

H\u1ec7 th\u1ed1ng ki\u1ec3m so\u00e1t n\u1ed3ng \u0111\u1ed9 b\u1ee5i c\u1ee7a Tanaka Electric Laboratory kh\u00f4ng ch\u1ec9 gi\u00fap gi\u1ea3m thi\u1ec3u \u00f4 nhi\u1ec5m m\u00f4i tr\u01b0\u1eddng, th\u1ec3 hi\u1ec7n tr\u00e1ch nhi\u1ec7m x\u00e3 h\u1ed9i c\u1ee7a c\u00e1c doanh nghi\u1ec7p, m\u00e0 c\u00f2n mang l\u1ea1i nh\u1eefng l\u1ee3i \u00edch nh\u01b0:
\n– T\u0103ng hi\u1ec7u su\u1ea5t ho\u1ea1t \u0111\u1ed9ng c\u1ee7a c\u00e1c nh\u00e0 m\u00e1y.
\n– Gi\u1ea3m thi\u1ec3u chi ph\u00ed v\u1eadn h\u00e0nh c\u1ee7a b\u1ed9 l\u1ecdc b\u1ee5i t\u0129nh \u0111i\u1ec7n (ESP).
\n– T\u0103ng tu\u1ed5i th\u1ecd l\u00e0m vi\u1ec7c c\u1ee7a c\u00e1c thi\u1ebft b\u1ecb trong nh\u00e0 m\u00e1y.<\/p>\n

Ngo\u00e0i ra, c\u00f2n c\u00f3 nh\u1eefng l\u1ee3i \u00edch kh\u00e1c nh\u01b0:
\n– Gi\u1ea3m thi\u1ec3u th\u1eddi gian, chi ph\u00ed l\u1eafp \u0111\u1eb7t.
\n– Gi\u1ea3m thi\u1ec3u th\u1eddi gian, chi ph\u00ed b\u1ea3o tr\u00ec.<\/p>\n

Ph\u1ea1m vi \u1ee9ng d\u1ee5ng c\u1ee7a thi\u1ebft b\u1ecb<\/p>\n

H\u1ec7 th\u1ed1ng ki\u1ec3m so\u00e1t n\u1ed3ng \u0111\u1ed9 b\u1ee5i DDM-fC\u00a0 \u0111\u01b0\u1ee3c \u1ee9ng d\u1ee5ng r\u1ed9ng r\u00e3i trong c\u00e1c ng\u00e0nh c\u00f4ng nghi\u1ec7p nh\u01b0:
\n– Nh\u00e0 m\u00e1y xi m\u0103ng
\n– Nh\u00e0 m\u00e1y \u0111i\u1ec7n \u0111\u1ed1t than, d\u1ea7u
\n– Nh\u00e0 m\u00e1y th\u00e9p
\n– Nh\u00e0 m\u00e1y gi\u1ea5y v\u00e0 nguy\u00ean li\u1ec7u gi\u1ea5y
\n– Nh\u00e0 m\u00e1y x\u1eed l\u00fd ch\u1ea5t th\u1ea3i, l\u00f2 \u0111\u1ed1t r\u00e1c th\u1ea3i
\n– L\u00f2 h\u01a1i c\u00f4ng nghi\u1ec7p
\n– L\u00f2 h\u01a1i Biomass
\n– Nh\u00e0 m\u00e1y luy\u1ec7n kim nh\u00f4m<\/p>\n

S\u01a1 \u0111\u1ed3 nguy\u00ean l\u00fd:<\/p>\n

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D\u01b0\u1edbi \u0111\u00e2y l\u00e0 m\u1ed9t s\u1ed1 h\u00ecnh \u1ea3nh l\u1eafp \u0111\u1eb7t th\u1ef1c t\u1ebf t\u1ea1i m\u1ed9t s\u1ed1 nh\u00e0 m\u00e1y:<\/p>\n

DDM-fC t\u1ea1i nh\u00e0 m\u00e1y xi m\u0103ng<\/p>\n

<\/p>\n

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DDM-fC t\u1ea1i nh\u00e0 m\u00e1y nhi\u1ec7t \u0111i\u1ec7n \u0111\u1ed1t than<\/p>\n

<\/p>\n

DDM-fC t\u1ea1i nh\u00e0 m\u00e1y \u0111i\u1ec7n ch\u1ea1y d\u1ea7u<\/p>\n

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Th\u00f4ng s\u1ed1 k\u1ef9 thu\u1eadt c\u1ee7a thi\u1ebft b\u1ecb<\/p>\n

T\u1ee7 \u0111i\u1ec1u khi\u1ec3n ch\u00ednh
\n(1) K\u1ebft c\u1ea5u: khung h\u1ed9p l\u1eafp \u0111\u1eb7t ngo\u00e0i tr\u1eddi
\n(2) Nguy\u00ean l\u00fd \u0111o: t\u00e1n x\u1ea1 \u00e1nh s\u00e1ng 90 \u0111\u1ed9
\n(3) Ngu\u1ed3n s\u00e1ng: halogen
\n(4) D\u1ea3i \u0111o: t\u1eeb 0 \u2013 500 mg\/Nm3 (d\u1ea3i \u0111o c\u00f3 th\u1ec3 thay \u0111\u1ed5i \u0111\u01b0\u1ee3c)
\n(5) T\u00edn hi\u1ec7u \u0111\u1ea7u ra: DC 4-20mA c\u00e1ch ly, RS-232C
\n(6) M\u00e0n h\u00ecnh hi\u1ec3n th\u1ecb: d\u1ea1ng s\u1ed1 0 – 100%
\n(7) T\u00edn hi\u1ec7u c\u1ea3nh b\u00e1o: b\u00e1o l\u1ed7i
\n(8) Hi\u1ec7u chu\u1ea9n: \u0111i\u1ec1u ch\u1ec9nh v\u1ec1 0 , Thay \u0111\u1ed5i l\u1ef1a ch\u1ecdn b\u1eb1ng tay\/t\u1ef1 \u0111\u1ed9ng ; \u0110i\u1ec1u ch\u1ec9nh d\u1ea3i
\n(9) Ngu\u1ed3n c\u1ea5p: AC100V\u00b110% (50Hz\/ 60Hz), 4A l\u1ea5y t\u1eeb h\u1ec7 th\u1ed1ng kh\u00ed ch\u00e8n
\n(10) Nhi\u1ec7t \u0111\u1ed9 l\u00e0m vi\u1ec7c: -10\u02daC ~ +50 \u02daC
\n(11) K\u00edch th\u01b0\u1edbc: 500 x 670 x 270mm
\n(12) Tr\u1ecdng l\u01b0\u1ee3ng: ~ 45kg
\n(13) M\u00e0u s\u01a1n: Munsel 5Y7\/1 G=40<\/p>\n

D\u00e2y C\u00e1p quang
\n(1) K\u00edch th\u01b0\u1edbc: \u00d84 x 4m (ti\u00eau chu\u1ea9n)<\/p>\n

H\u1ec7 th\u1ed1ng \u0111\u1ea7u \u0111o quang h\u1ecdc
\n(1) K\u00edch th\u01b0\u1edbc: 260 x 125 mm
\n(2) Tr\u1ecdng l\u01b0\u1ee3ng: x\u1ea5p x\u1ec9 5 kg
\n(3) V\u1eadt li\u1ec7u: th\u00e9p kh\u00f4ng r\u1ec9 (SUS304)
\n(4) Trang b\u1ecb b\u1ed9 s\u1ea5y kh\u00ed \u0111\u1ec3 ch\u1ed1ng m\u1edd th\u1ea5u k\u00ednh do h\u01a1i n\u01b0\u1edbc trong kh\u00ed ch\u00e8n.
\n(5) M\u1eb7t b\u00edch ch\u1eef nh\u1eadt 200mm x 65mm \u0111\u1ec3 l\u1eafp tr\u00ean \u0111\u01b0\u1eddng \u1ed1ng.
\n(6) \u0110\u1ea7u n\u1ed1i thi\u1ebft b\u1ecb ch\u00e8n kh\u00ed: \u0111ai \u1ed1c PT 1\/4″<\/p>\n

T\u1ee7 h\u1ec7 th\u1ed1ng kh\u00ed ch\u00e8n
\n(1) Ch\u00fa \u00fd l\u1eafp \u0111\u1eb7t:
\nThi\u1ebft b\u1ecb n\u00e0y c\u00f3 th\u1ec3 d\u00f9ng trong tr\u01b0\u1eddng h\u1ee3p \u00e1p l\u1ef1c c\u1ee7a d\u00f2ng b\u1ee5i kh\u00f3i ngang b\u1eb1ng v\u1edbi \u00e1p su\u1ea5t kh\u00ed quy\u1ec3n ho\u1eb7c \u1edf \u00e1p su\u1ea5t \u00e2m.
\n(2) L\u01b0u l\u01b0\u1ee3ng kh\u00ed c\u1ea5p: x\u1ea5p x\u1ec9 100 l\u00edt\/ph\u00fat
\n(3) T\u00edn hi\u1ec7u c\u1ea3nh b\u00e1o: b\u00e1o l\u1ed7i khi b\u01a1m c\u1ea5p kh\u00ed h\u1ecfng
\n(4) Ngu\u1ed3n c\u1ea5p: AC220V\u00b110% (50Hz\/ 60Hz), C\u00f4ng su\u1ea5t 1KVA
\n(5) Nhi\u1ec7t \u0111\u1ed9 l\u00e0m vi\u1ec7c: -10 \u02daC ~ +50 \u02daC
\n(6) K\u00edch th\u01b0\u1edbc: 530 mm x 504 mm x 322mm
\n(7) Tr\u1ecdng l\u01b0\u1ee3ng: ~ 35kg<\/p>\n","protected":false},"excerpt":{"rendered":"

Nguy\u00ean l\u00fd n\u00e0y s\u1eed d\u1ee5ng h\u1ec7 th\u1ed1ng \u0111\u1ea7u \u0111o quang h\u1ecdc v\u1edbi hai \u0111\u1ea7u sensor ph\u00e1t v\u00e0 thu \u00e1nh s\u00e1ng \u0111\u01b0\u1ee3c ph\u00e1t v\u00e0o v\u00f9ng \u1ed1ng kh\u00f3i th\u1ea3i. V\u1edbi nguy\u00ean l\u00fd n\u00e0y h\u00e3ng Tanaka Electric Labotory \u2013 Nh\u1eadt B\u1ea3n \u0111\u00e3 nghi\u00ean c\u1ee9u v\u00e0 ch\u1ebf t\u1ea1o ra h\u1ec7 th\u1ed1ng \u0111o v\u00e0 theo d\u00f5i n\u1ed3ng \u0111\u1ed9 b\u1ee5i trong […]\n","protected":false},"author":5,"featured_media":1313,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[65],"tags":[],"class_list":["post-1312","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-tu-van"],"_links":{"self":[{"href":"https:\/\/cargocontrol.com.vn\/index.php?rest_route=\/wp\/v2\/posts\/1312"}],"collection":[{"href":"https:\/\/cargocontrol.com.vn\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/cargocontrol.com.vn\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/cargocontrol.com.vn\/index.php?rest_route=\/wp\/v2\/users\/5"}],"replies":[{"embeddable":true,"href":"https:\/\/cargocontrol.com.vn\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=1312"}],"version-history":[{"count":5,"href":"https:\/\/cargocontrol.com.vn\/index.php?rest_route=\/wp\/v2\/posts\/1312\/revisions"}],"predecessor-version":[{"id":1911,"href":"https:\/\/cargocontrol.com.vn\/index.php?rest_route=\/wp\/v2\/posts\/1312\/revisions\/1911"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/cargocontrol.com.vn\/index.php?rest_route=\/wp\/v2\/media\/1313"}],"wp:attachment":[{"href":"https:\/\/cargocontrol.com.vn\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=1312"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/cargocontrol.com.vn\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=1312"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/cargocontrol.com.vn\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=1312"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}