{"id":57,"date":"2019-04-19T18:48:56","date_gmt":"2019-04-19T11:48:56","guid":{"rendered":"https:\/\/www.baohotoandien.com\/blog\/?p=57"},"modified":"2025-03-09T16:50:12","modified_gmt":"2025-03-09T09:50:12","slug":"kinh-bao-ho","status":"publish","type":"post","link":"https:\/\/baohotoandien.com\/blog\/kinh-bao-ho\/","title":{"rendered":"Ti\u00eau chu\u1ea9n EN166: k\u00ednh b\u1ea3o v\u1ec7 m\u1eaft, k\u00ednh b\u1ea3o h\u1ed9"},"content":{"rendered":"

K\u00ednh b\u1ea3o h\u1ed9 l\u00e0 g\u00ec?<\/h2>\n

K\u00ednh b\u1ea3o h\u1ed9 l\u00e0 k\u00ednh b\u1ea3o v\u1ec7 m\u1eaft,<\/strong> May88<\/a> ng\u0103n m\u1eaft kh\u00f4ng ti\u1ebfp x\u00fac v\u1edbi n\u01b0\u1edbc ho\u1eb7c tr\u00e1nh ti\u1ebfp x\u00fac v\u1edbi h\u00f3a ch\u1ea5t, b\u1ee5i, m\u1ea3nh v\u1ee1… Ch\u00fang \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng \u1edf nhi\u1ec1u m\u00f4i tr\u01b0\u1eddng c\u00f4ng vi\u1ec7c nh\u01b0 h\u00e0n c\u1eaft kim lo\u1ea1i, m\u1ed9c, v\u1ec7 sinh m\u00f4i tr\u01b0\u1eddng, ph\u00f2ng th\u00ed nghi\u1ec7m…<\/p>\n

\"K\u00ednh
K\u00ednh b\u1ea3o h\u1ed9 b\u1ea3o v\u1ec7 m\u1eaft kh\u1ecfi nh\u1eefng t\u00e1c nh\u00e2n g\u00e2y h\u1ea1i<\/figcaption><\/figure>\n

C\u00e1c lo\u1ea1i k\u00ednh b\u1ea3o h\u1ed9<\/h2>\n

C\u00f3 nhi\u1ec1u lo\u1ea1i k\u00ednh b\u1ea3o h\u1ed9 m\u1eaft. Ch\u1ee7 y\u1ebfu ph\u00e2n theo ch\u1ee9c n\u0103ng nhi\u1ec7m v\u1ee5. V\u00ed d\u1ee5\u00a0ch\u1ed1ng h\u00f3a ch\u1ea5t <\/strong>d\u00f9ng trong ph\u00f2ng th\u00ed nghi\u1ec7m, pha nguy\u00ean v\u1eadt li\u1ec7u.\u00a0K\u00ednh ch\u1ed1ng UV<\/strong><\/a>, \u00e1nh s\u00e1ng c\u01b0\u1eddng \u0111\u1ed9 cao cho ng\u00e0nh h\u00e0n. Ho\u1eb7c ch\u1ec9 \u0111\u01a1n gi\u1ea3n l\u00e0 ch\u1ed1ng tr\u1ea7y, ch\u1ed1ng \u0111\u1ecdng s\u01b0\u01a1ng cho nh\u1eefng ng\u00e0nh c\u00f4ng nghi\u1ec7p kh\u00e1c nh\u01b0 m\u1ed9c, x\u00e2y d\u1ef1ng, …<\/p>\n

Th\u1eadm ch\u00ed ch\u1ed1ng b\u1ee5i, \u0111i \u0111\u01b0\u1eddng c\u0169ng c\u00f3 th\u1ec3 s\u1eed d\u1ee5ng<\/p><\/blockquote>\n

\"K\u00ednh<\/a>
Xem ngay 99+ K\u00ednh b\u1ea3o h\u1ed9 nh\u1eadp kh\u1ea9u t\u1ea1i \u0111\u00e2y<\/a><\/figcaption><\/figure>\n

Ch\u1ecdn lo\u1ea1i k\u00ednh b\u1ea3o h\u1ed9 n\u00e0o cho ng\u01b0\u1eddi b\u1ecb t\u1eadt v\u1ec1 m\u1eaft?<\/h2>\n

T\u1edbi th\u1eddi \u0111i\u1ec3m hi\u1ec7n t\u1ea1i m\u00ecnh ch\u01b0a th\u1ea5y k\u00ednh b\u1ea3o h\u1ed9 c\u00f3 \u0111\u1ed9<\/strong> bao gi\u1edd. V\u1eady n\u00ean \u0111\u00f4i v\u1edbi nh\u1eefng ng\u01b0\u1eddi g\u1eb7p v\u1ea5n \u0111\u1ec1 v\u1ec1 m\u1eaft: M\u1ed9t l\u00e0 kh\u1ecfi mang k\u00ednh c\u1eadn, ch\u1ec9 mang k\u00ednh b\u1ea3o v\u1ec7 m\u1eaft. Hai l\u00e0 mang ch\u1ed3ng c\u1ea3 2 k\u00ednh ho\u1eb7c \u0111eo k\u00ednh \u00e1p tr\u00f2ng<\/p>\n

\"K\u00ednh<\/a>
\u0110\u1eb7t mua k\u00ednh b\u1ea3o h\u1ed9 \u0111eo ngo\u00e0i k\u00ednh c\u1eadn t\u1ea1i \u0111\u00e2y<\/a><\/figcaption><\/figure>\n

Gi\u1ea3i th\u00edch hi\u1ec7n t\u01b0\u1ee3ng ch\u00f3ng m\u1eb7t khi mang k\u00ednh b\u1ea3o h\u1ed9<\/h2>\n

Theo m\u00ecnh. L\u00fd do \u0111\u1ea7u ti\u00ean,\u00a0kh\u00f4ng quen<\/strong>. B\u1ea1n \u0111ang \u1edf m\u00f4i tr\u01b0\u1eddng b\u00ecnh th\u01b0\u1eddng, \u0111\u1ed9t nhi\u00ean \u0111eo k\u00ednh m\u00e0u \u0111en v\u00e0o l\u00e0 \u0111\u00e3 l\u00e0m thay \u0111\u1ed5i m\u00e0u s\u1eafc \u0111\u1ed9t ng\u1ed9t r\u1ed3i, l\u1ea1i c\u00f2n nh\u00ecn ngay tr\u1ef1c di\u1ec7n v\u00e0o ngu\u1ed3n s\u00e1ng (test ch\u00f3i m\u00e0). L\u00fac n\u00e0y, \u0111\u00f4i m\u1eaft ph\u1ea3i\u00a0\u0111i\u1ec1u ti\u1ebft nhi\u1ec1u<\/strong>\u00a0\u0111\u1ec3 t\u01b0\u01a1ng th\u00edch bi\u1ebfn \u0111\u1ed5i \u0111\u1ed9t ng\u1ed9t n\u00ean\u00a0\u1ea3nh h\u01b0\u1edfng l\u00ean n\u00e3o b\u1ed9\u00a0<\/strong>g\u00e2y ra hi\u1ec7n t\u01b0\u1ee3ng\u00a0ch\u00f3ng m\u1eb7t\u00a0<\/strong>trong kho\u1ea3nh kh\u1eafc nh\u01b0 b\u1ea1n \u0111\u00e3 th\u1ea5y.<\/p>\n

V\u1eady n\u00ean, n\u1ebfu test k\u00ednh b\u1ea1n n\u00ean \u0111eo th\u00eam t\u1ea7m 30s \u0111\u1ec3 m\u1eaft quen v\u1edbi s\u1ef1 thay \u0111\u1ed5i n\u00e0y nha. R\u1ed3i sau \u0111\u00f3 th\u00edch hay kh\u00f4ng, tho\u1ea3i m\u00e1i khi \u0111eo kh\u00f4ng th\u00ec t\u00ednh ti\u1ebfp<\/p>\n

Khi n\u00e0o c\u1ea7n \u0111eo k\u00ednh b\u1ea3o h\u1ed9?<\/h2>\n

H\u00e0ng ng\u00e0n v\u1ee5 tai n\u1ea1n li\u00ean quan \u0111\u1ebfn m\u1eaft x\u1ea3y ra t\u1ea1i n\u01a1i l\u00e0m vi\u1ec7c m\u1ed7i n\u0103m. M\u1eb7c d\u00f9 \u0111a s\u1ed1 c\u00e1c tai n\u1ea1n n\u00e0y l\u00e0 nh\u1eb9, nhanh kh\u1ecfi, nh\u01b0ng nh\u1eefng s\u1ef1 c\u1ed1 kh\u00e1c (kho\u1ea3ng 10-20%) d\u1eabn \u0111\u1ebfn m\u00f9 m\u1ed9t ph\u1ea7n ho\u1eb7c m\u00f9 ho\u00e0n to\u00e0n v\u0129nh vi\u1ec5n. B\u1edfi v\u1eady, b\u1ea3o v\u1ec7 m\u1eaft l\u00e0 c\u1ea7n thi\u1ebft b\u1ea5t c\u1ee9 khi n\u00e0o c\u00f3 th\u1ec3 c\u00f3 nguy c\u01a1, kh\u00f4ng ch\u1ec9 gi\u1edbi h\u1ea1n \u1edf n\u01a1i l\u00e0m vi\u1ec7c<\/p>\n

\"K\u00ednh
Ng\u01b0\u1eddi d\u00e2n \u0111eo k\u00ednh b\u1ea3o h\u1ed9 \u0111\u1ec3 ch\u1ed1ng b\u1ee5i, ch\u1ed1ng gi\u00f3 khi \u0111i \u0111\u01b0\u1eddng. \u0110\u1eb7t mua!<\/a><\/figcaption><\/figure>\n

K\u00ednh b\u1ea3o h\u1ed9 r\u1ea5t \u0111a d\u1ea1ng v\u00e0 \u0111\u01b0\u1ee3c thi\u1ebft k\u1ebf \u0111\u1ec3 ch\u1ed1ng l\u1ea1i nhi\u1ec1u r\u1ee7i ro nh\u01b0 v\u0103ng, va \u0111\u1eadp, c\u00e1c v\u1eadt l\u1ea1, nh\u01b0 c\u00e1c h\u1ea1t b\u1ee5i, ch\u1ea5t l\u1ecfng \u0103n da, ch\u1ea5t ph\u00f3ng x\u1ea1, phoi kim lo\u1ea1i, ho\u1eb7c l\u1ecdc \u00e1nh s\u00e1ng, l\u1ecdc tia UV…<\/strong>. V\u00ec v\u1eady, n\u00ean ch\u1ecdn v\u00e0 \u0111eo k\u00ednh b\u1ea3o v\u1ec7 ph\u00f9 h\u1ee3p<\/p>\n

K\u00ednh b\u1ea3o v\u1ec7 m\u1eaft c\u00f3 th\u1ec3 chia l\u00e0m 2 lo\u1ea1i: m\u1eaft k\u00ednh b\u1ea3o h\u1ed9<\/strong><\/a> v\u00e0 t\u1ea5m k\u00ednh che m\u1eaft – m\u1eb7t<\/p>\n

\"K\u00ednh<\/p>\n

K\u00ednh m\u1eaft l\u00e0 m\u1ed9t trong nh\u1eefng d\u1ea1ng ph\u1ed5 bi\u1ebfn nh\u1ea5t c\u1ee7a PPE v\u00e0 l\u00e0 m\u1ed9t trong nh\u1eefng lo\u1ea1i linh ho\u1ea1t nh\u1ea5t. Nh\u1ecf g\u1ecdn, d\u1ec5 nang, d\u1ec5 b\u1ea3o qu\u1ea3n, c\u1ea5t tr\u1eef, v\u1eady n\u00ean, b\u1ea1n c\u1ea7n \u0111eo k\u00ednh b\u1ea3o h\u1ed9 ngay c\u1ea3 khi kh\u00f4ng c\u00f3 r\u1ee7i ro (c\u00f3 th\u1ec3 x\u1ea3y ra ngay l\u1eadp t\u1ee9c). B\u1edfi l\u1ebd, m\u1ed9t s\u1ed1 th\u01b0\u01a1ng t\u00edch b\u1ea1n c\u00f3 th\u1ec3 nh\u1eadn ra ngay l\u1eadp t\u1ee9c, nh\u01b0ng m\u1ed9t s\u1ed1 th\u1ee9 kh\u00e1c c\u00f3 th\u1ec3 \u1ea3nh h\u01b0\u1edfng \u0111\u1ebfn m\u1eaft t\u1eeb t\u1eeb. V\u00ed d\u1ee5 tia UVA, UVB, \u00e1nh s\u00e1ng h\u00e0n,…<\/p>\n

EN166 l\u00e0 g\u00ec?<\/h2>\n

EN 166: 2001 l\u00e0 ti\u00eau chu\u1ea9n Ch\u00e2u \u00c2u bao g\u1ed3m c\u00e1c y\u00eau c\u1ea7u \u0111\u1ed1i v\u1edbi k\u00ednh b\u1ea3o v\u1ec7 m\u1eaft. N\u00f3 \u0111\u01b0\u1ee3c li\u00ean k\u1ebft ch\u1eb7t ch\u1ebd v\u1edbi ti\u00eau chu\u1ea9n EN 167: 2001 v\u00e0 EN 168: 2001<\/strong> quy \u0111\u1ecbnh c\u00e1c ph\u01b0\u01a1ng ph\u00e1p th\u1eed quang h\u1ecdc v\u00e0 kh\u00f4ng quang h\u1ecdc<\/p>\n

EN 166 ch\u1ec9 \u0111\u1ecbnh c\u00e1c y\u00eau c\u1ea7u t\u1ed1i thi\u1ec3u cho m\u1ed9t lo\u1ea1t c\u00e1c th\u1eed nghi\u1ec7m hi\u1ec7u su\u1ea5t. Ti\u00eau chu\u1ea9n n\u00e0y ch\u1ee9a m\u1ed9t t\u1eadp h\u1ee3p c\u00e1c y\u00eau c\u1ea7u \u0111\u01b0\u1ee3c g\u1ecdi l\u00e0 y\u00eau c\u1ea7u c\u01a1 b\u1ea3n, c\u00f3 th\u1ec3 \u0111\u01b0\u1ee3c coi l\u00e0 b\u1eaft bu\u1ed9c.<\/p>\n

Y\u00eau c\u1ea7u cho s\u1ea3n xu\u1ea5t k\u00ednh b\u1ea3o v\u1ec7 m\u1eaft \u0111\u1ea1t chu\u1ea9n Ch\u00e2u \u00c2u EN 166<\/h3>\n

K\u00ednh b\u1ea3o h\u1ed9 kh\u00f4ng \u0111\u01b0\u1ee3c c\u00f3 c\u00e1c h\u00ecnh chi\u1ebfu, c\u1ea1nh s\u1eafc ho\u1eb7c c\u00e1c khuy\u1ebft t\u1eadt kh\u00e1c, c\u00f3 kh\u1ea3 n\u0103ng g\u00e2y kh\u00f3 ch\u1ecbu ho\u1eb7c ch\u1ea5n th\u01b0\u01a1ng trong qu\u00e1 tr\u00ecnh s\u1eed d\u1ee5ng.<\/p>\n

T\u1ea5t c\u1ea3 c\u00e1c ph\u1ea7n ti\u1ebfp x\u00fac tr\u1ef1c ti\u1ebfp v\u1edbi ng\u01b0\u1eddi \u0111eo ph\u1ea3i \u0111\u01b0\u1ee3c l\u00e0m b\u1eb1ng v\u1eadt li\u1ec7u kh\u00f4ng g\u00e2y d\u1ecb \u1ee9ng.<\/p>\n

B\u0103ng \u0111\u00f4 ph\u1ea3i r\u1ed9ng t\u1ed1i thi\u1ec3u 10 mm so v\u1edbi b\u1ea5t k\u1ef3 ph\u1ea7n n\u00e0o c\u00f3 th\u1ec3 ti\u1ebfp x\u00fac v\u1edbi \u0111\u1ea7u \u0111eo d\u00e2y \u0111eo. B\u0103ng \u0111\u00f4 ph\u1ea3i \u0111\u01b0\u1ee3c \u0111i\u1ec1u ch\u1ec9nh ho\u1eb7c t\u1ef1 \u0111i\u1ec1u ch\u1ec9nh.<\/p>\n

K\u00ednh m\u1eaft EN166 ph\u1ea3i \u0111\u01b0\u1ee3c ki\u1ec3m tra \u0111\u1ec3 v\u01b0\u1ee3t qua c\u00e1c ti\u00eau chu\u1ea9n th\u00edch h\u1ee3p. C\u00e1c quy tr\u00ecnh n\u00e0y \u0111\u01b0\u1ee3c ph\u00e1c th\u1ea3o b\u1eb1ng c\u00e1c th\u00f4ng s\u1ed1 k\u1ef9 thu\u1eadt c\u1ee7a EN167 v\u00e0 EN168.<\/p>\n

Xem th\u00eam: 10+ m\u1eabu k\u00ednh b\u1ea3o h\u1ed9 nh\u1eadp kh\u1ea9u ch\u1ed1ng b\u1ee5i, ch\u1ed1ng tia UV gi\u00e1 d\u01b0\u1edbi 100k<\/strong><\/a><\/p>\n

Test k\u00ednh b\u1ea3o h\u1ed9 chu\u1ea9n EN166 – EN167 & EN168<\/h2>\n

EN 167 – Ki\u1ec3m tra quang h\u1ecdc<\/h3>\n

M\u1ee5c \u0111\u00edch ch\u00ednh c\u1ee7a c\u00e1c th\u1eed nghi\u1ec7m n\u00e0y l\u00e0 \u0111\u1ec3 \u0111\u1ea3m b\u1ea3o k\u00ednh b\u1ea3o h\u1ed9 kh\u00f4ng c\u1ea3n tr\u1edf ho\u1eb7c l\u00e0m bi\u1ebfn d\u1ea1ng t\u1ea7m nh\u00ecn c\u1ee7a ng\u01b0\u1eddi d\u00f9ng. N\u00f3 c\u0169ng \u0111\u1ea3m b\u1ea3o k\u00ednh m\u1eaft cho ph\u00e9p \u0111\u1ee7 \u00e1nh s\u00e1ng xuy\u00ean qua m\u1eaft ng\u01b0\u1eddi \u0111eo. L\u0129nh v\u1ef1c ki\u1ec3m tra th\u1ecb l\u1ef1c nh\u1eb1m \u0111\u1ea3m b\u1ea3o r\u1eb1ng kh\u00f4ng c\u00f3 g\u00ec trong khung ho\u1eb7c ngo\u1ea1i vi c\u1ee7a \u1ed1ng k\u00ednh l\u00e0m gi\u1ea3m th\u1ecb l\u1ef1c.<\/p>\n

Ti\u1ebfp x\u00fac v\u1edbi tia UV c\u00f3 th\u1ec3 \u1ea3nh h\u01b0\u1edfng \u0111\u1ebfn t\u00ednh ch\u1ea5t truy\u1ec1n c\u1ee7a k\u00ednh an to\u00e0n. Nh\u1eefng \u0111\u1eb7c t\u00ednh n\u00e0y \u0111\u01b0\u1ee3c \u0111o l\u1ea1i sau khi k\u00ednh m\u1eaft \u0111\u00e3 ti\u1ebfp x\u00fac v\u1edbi tia UV. \u0110\u1ec3 \u0111\u00e1p \u1ee9ng c\u00e1c y\u00eau c\u1ea7u, k\u1ebft qu\u1ea3 truy\u1ec1n kh\u00f4ng \u0111\u01b0\u1ee3c v\u01b0\u1ee3t qu\u00e1 s\u1ed1 l\u01b0\u1ee3ng suy y\u1ebfu.<\/p>\n

Quy tr\u00ecnh th\u1eed nghi\u1ec7m cu\u1ed1i c\u00f9ng trong EN 167 l\u00e0 th\u1eed nghi\u1ec7m \u0111\u1ec3 \u0111\u00e1nh gi\u00e1 ch\u1ea5t l\u01b0\u1ee3ng c\u1ee7a v\u1eadt li\u1ec7u v\u00e0 b\u1ec1 m\u1eb7t. Khi\u1ebfm khuy\u1ebft c\u00f3 kh\u1ea3 n\u0103ng l\u00e0m gi\u1ea3m th\u1ecb l\u1ef1c c\u00f3 th\u1ec3 d\u1ec5 d\u00e0ng \u0111\u01b0\u1ee3c ph\u00e1t hi\u1ec7n b\u1eb1ng c\u00e1ch s\u1eed d\u1ee5ng thi\u1ebft b\u1ecb nh\u01b0 v\u1eady. Khi\u1ebfm khuy\u1ebft \u0111\u01b0\u1ee3c cho ph\u00e9p trong ph\u1ea1m vi 5 mm c\u1ee7a khung h\u00ecnh, nh\u01b0ng kh\u00f4ng ph\u1ea3i \u1edf b\u1ea5t k\u1ef3 n\u01a1i n\u00e0o kh\u00e1c tr\u00ean \u1ed1ng k\u00ednh.<\/p>\n

EN 168 – C\u00e1c th\u1eed nghi\u1ec7m phi quang h\u1ecdc<\/h3>\n

C\u00e1c th\u1eed nghi\u1ec7m phi quang h\u1ecdc kh\u00e1c ph\u1ea3i \u0111\u01b0\u1ee3c th\u1ef1c hi\u1ec7n theo EN 168, bao g\u1ed3m \u0111\u1ed9 b\u1ec1n v\u00e0 kh\u1ea3 n\u0103ng ch\u1ecbu nhi\u1ec7t, \u0111\u00e1nh l\u1eeda v\u00e0 \u0103n m\u00f2n. C\u00f3 hai b\u00e0i ki\u1ec3m tra \u0111\u1ed9 b\u1ec1n – \u0111\u1ed9 m\u1ea1nh t\u1ed1i thi\u1ec3u, v\u00e0 \u2018t\u0103ng c\u01b0\u1eddng \u0111\u1ed9 m\u1ea1nh.<\/p>\n

\u0110\u1ed9 b\u1ec1n t\u1ed1i thi\u1ec3u<\/h4>\n

Th\u1eed nghi\u1ec7m \u0111\u1ed9 b\u1ec1n t\u1ed1i thi\u1ec3u li\u00ean quan \u0111\u1ebfn vi\u1ec7c \u0111\u1eb7t t\u1ea3i tr\u1ecdng t\u0129nh 10kg l\u00ean trung t\u00e2m c\u1ee7a m\u1ed9t m\u1eaft (th\u1ea5u k\u00ednh) \u0111\u1eb7t tr\u00ean t\u1ea5m \u0111\u1ee1. M\u1eaft ph\u1ea3i kh\u00f4ng duy tr\u00ec b\u1ea5t k\u1ef3 thi\u1ec7t h\u1ea1i n\u00e0o d\u1eabn \u0111\u1ebfn n\u1ee9t xuy\u00ean qua to\u00e0n b\u1ed9 \u0111\u1ed9 d\u00e0y, ho\u1eb7c n\u1ee9t th\u00e0nh hai ho\u1eb7c nhi\u1ec1u m\u1ea3nh. C\u00e1c m\u1ea3nh t\u1eeb 5mg tr\u1edf l\u00ean kh\u00f4ng \u0111\u01b0\u1ee3c t\u00e1ch ra kh\u1ecfi \u1ed1ng k\u00ednh. Th\u1eed nghi\u1ec7m \u0111\u1ed9 b\u1ec1n t\u1ed1i thi\u1ec3u ch\u1ec9 \u0111\u01b0\u1ee3c \u00e1p d\u1ee5ng cho c\u00e1c t\u1ea5m che ho\u1eb7c \u0111\u1ec3 l\u1ecdc c\u00e1c th\u00f4ng s\u1ed1.<\/p>\n

\u0110\u1ed9 d\u1ebbo dai khi T\u0103ng \u0111\u1ed9 m\u1ea1nh<\/h4>\n

Ng\u01b0\u1eddi ta \u0111eo k\u00ednh l\u00ean m\u1ed9t h\u00ecnh d\u1ea1ng \u0111\u1ea7u \u0111\u01b0\u1ee3c \u0111\u00e1nh d\u1ea5u v\u1edbi c\u00e1c trung t\u00e2m c\u1ee7a \u0111\u1ed3ng t\u1eed v\u00e0 c\u00e1c \u0111i\u1ec3m b\u1ea3o v\u1ec7 b\u00ean ngo\u00e0i r\u1ed3i b\u1eafn m\u1ed9t vi\u00ean bi th\u00e9p v\u00e0o m\u1eb7t k\u00ednh<\/p>\n

\"Test<\/p>\n

\u0110\u1ec3 v\u01b0\u1ee3t qua b\u00e0i test, m\u1eaft k\u00ednh ph\u1ea3i ch\u1ed1ng bi\u1ebfn d\u1ea1ng \u0111\u00e1ng k\u1ec3. Khung c\u0169ng ph\u1ea3i ch\u1ed1ng v\u1ee1 th\u00e0nh hai ho\u1eb7c nhi\u1ec1u m\u1ea3nh ho\u1eb7c v\u1ee1 sao cho m\u1eb7t k\u00ednh kh\u00f4ng c\u00f2n n\u1eefa.<\/p>\n

\"K\u00ednh<\/p>\n

\u0110\u1ed9 b\u1ec1n v\u1edbi nhi\u1ec7t, tia l\u1eeda h\u00e0n<\/h4>\n

\u0110\u1ed1i v\u1edbi k\u00ednh m\u1eaft \u0111\u01b0\u1ee3c thi\u1ebft k\u1ebf \u0111\u1ec3 s\u1eed d\u1ee5ng khi c\u00f3 r\u1ee7i ro t\u1eeb kim lo\u1ea1i n\u00f3ng ch\u1ea3y, th\u1eed nghi\u1ec7m \u0111\u01b0\u1ee3c th\u1ef1c hi\u1ec7n \u0111\u1ec3 \u0111\u1ea3m b\u1ea3o k\u00ednh m\u1eaft c\u00f3 th\u1ec3 ch\u1ecbu \u0111\u01b0\u1ee3c nhi\u1ec7t, v\u00ed d\u1ee5: 100g s\u1eaft x\u00e1m n\u00f3ng ch\u1ea3y \u1edf 1450\u00baC v\u00e0 nh\u00f4m \u1edf 750\u00baC.<\/p>\n

\u0110\u1ec3 ki\u1ec3m tra m\u1ee9c \u0111\u1ed9 th\u00e2m nh\u1eadp c\u1ee7a kim lo\u1ea1i n\u00f3ng ch\u1ea3y, m\u1ed9t v\u00f2ng bi 6 mm \u0111\u01b0\u1ee3c nung n\u00f3ng \u0111\u1ebfn 900\u00baC \u0111\u01b0\u1ee3c \u00e9p v\u00e0o m\u1eb7t k\u00ednh \u0111\u1ec3 xem ph\u1ea3i m\u1ea5t bao l\u00e2u \u0111\u1ec3 \u0111i qua v\u1eadt li\u1ec7u.<\/p>\n

\"K\u00ednh<\/p>\n

K\u00ednh b\u1ea3o h\u1ed9 c\u0169ng \u0111\u01b0\u1ee3c th\u1eed nghi\u1ec7m \u0111\u1ec3 xem n\u00f3 c\u00f3 th\u1ec3 ch\u1ecbu \u0111\u01b0\u1ee3c \u0111\u00e1nh l\u1eeda hay kh\u00f4ng: m\u1ed9t thanh th\u00e9p c\u00f3 \u0111\u01b0\u1eddng k\u00ednh 6 mm x 300 mm \u0111\u01b0\u1ee3c nung n\u00f3ng tr\u01b0\u1edbc \u0111\u1ebfn 650\u00baC \u0111\u01b0\u1ee3c \u00e9p v\u00e0o k\u00ednh. N\u1ebfu k\u00ednh kh\u00f4ng b\u1eaft l\u1eeda ho\u1eb7c ph\u00e1t s\u00e1ng, n\u00f3 s\u1ebd v\u01b0\u1ee3t qua b\u00e0i ki\u1ec3m tra.<\/p>\n

\u0110\u1ed1i v\u1edbi \u0111\u1ed9 b\u1ec1n c\u1ee7a khung, g\u1ecdng k\u00ednh \u0111\u01b0\u1ee3c u\u1ed1n trong 500 chu k\u1ef3 (40 l\u1ea7n\/ ph\u00fat). \u0110\u1ec3 v\u01b0\u1ee3t qua b\u00e0i ki\u1ec3m tra n\u00e0y, g\u1ecdng k\u00ednh\/ khung k\u00ednh ph\u1ea3i kh\u00f4ng b\u1ecb g\u00e3y ho\u1eb7c bi\u1ebfn d\u1ea1ng h\u01b0 h\u1ecfng v\u0129nh vi\u1ec5n.<\/p>\n

C\u00e1c ti\u00eau chu\u1ea9n kh\u00e1c c\u1ee7a k\u00ednh b\u1ea3o h\u1ed9<\/h2>\n

EN ISO 4007: 2018 (\u0110\u00e3 thay th\u1ebf th\u00e0nh EN 165: 2005): B\u1ea3o v\u1ec7 m\u1eaft v\u00e0 m\u1eb7t
\nEN 167: 2001: M\u1eaft k\u00ednh b\u1ea3o h\u1ed9 – Ph\u01b0\u01a1ng ph\u00e1p ki\u1ec3m tra quang h\u1ecdc
\nEN 168: 2001: Ph\u01b0\u01a1ng ph\u00e1p ki\u1ec3m tra kh\u00f4ng quang h\u1ecdc
\nEN 169: 2002: B\u1ed9 l\u1ecdc h\u00e0n v\u00e0 c\u00e1c k\u1ef9 thu\u1eadt li\u00ean quan – Y\u00eau c\u1ea7u truy\u1ec1n v\u00e0 s\u1eed d\u1ee5ng \u0111\u01b0\u1ee3c khuy\u1ebfn ngh\u1ecb
\nEN 170: 2002: B\u1ed9 l\u1ecdc tia c\u1ef1c t\u00edm – Y\u00eau c\u1ea7u truy\u1ec1n v\u00e0 s\u1eed d\u1ee5ng \u0111\u01b0\u1ee3c khuy\u1ebfn ngh\u1ecb
\nEN 171: 2002: B\u1ed9 l\u1ecdc h\u1ed3ng ngo\u1ea1i – Y\u00eau c\u1ea7u truy\u1ec1n v\u00e0 s\u1eed d\u1ee5ng \u0111\u01b0\u1ee3c khuy\u1ebfn ngh\u1ecb
\nEN 172: 1995: B\u1ed9 l\u1ecdc Sunglare d\u00f9ng trong c\u00f4ng nghi\u1ec7p
\nEN 175: 1997: B\u1ea3o v\u1ec7 m\u1eaft v\u00e0 m\u1eb7t trong qu\u00e1 tr\u00ecnh h\u00e0n v\u00e0 c\u00e1c c\u00f4ng vi\u1ec7c t\u01b0\u01a1ng t\u1ef1
\nEN 379: 2003 + A1: 2009: B\u1ed9 l\u1ecdc h\u00e0n t\u1ef1 \u0111\u1ed9ng
\nEN 1731: 2006: B\u1ea3o v\u1ec7 m\u1eaft v\u00e0 m\u1eb7t l\u01b0\u1edbi<\/p>\n

Xem th\u00eam Video: C\u00e1ch 3M test \u0111\u1ed9 b\u1ea3o v\u1ec7 c\u1ee7a k\u00ednh b\u1ea3o h\u1ed9<\/p>\n