{"id":20331,"date":"2019-08-09T06:53:57","date_gmt":"2019-08-09T06:53:57","guid":{"rendered":"http:\/\/dgbellvietnam.com\/how-to-choose-an-environmental-test-chamber\/"},"modified":"2024-11-06T15:23:39","modified_gmt":"2024-11-06T08:23:39","slug":"how-to-choose-an-environmental-test-chamber","status":"publish","type":"post","link":"https:\/\/dgbellvietnam.com\/en\/how-to-choose-an-environmental-test-chamber\/","title":{"rendered":"L\u00e0m th\u1ebf n\u00e0o \u0111\u1ec3 ch\u1ecdn bu\u1ed3ng th\u1eed nghi\u1ec7m m\u00f4i tr\u01b0\u1eddng?"},"content":{"rendered":"
\n

C\u00f3 nhi\u1ec1u lo\u1ea1i bu\u1ed3ng m\u00f4i tr\u01b0\u1eddng, v\u00ec v\u1eady \u0111\u1ed1i v\u1edbi nh\u1eefng ng\u01b0\u1eddi kh\u00f4ng quen thu\u1ed9c v\u1edbi bu\u1ed3ng m\u00f4i tr\u01b0\u1eddng, vi\u1ec7c l\u1ef1a ch\u1ecdn m\u1ed9t bu\u1ed3ng m\u00f4i tr\u01b0\u1eddng l\u00e0 m\u1ed9t c\u01a1n \u0111au \u0111\u1ea7u. \u1ede \u0111\u00e2y DGBELL s\u1ebd h\u01b0\u1edbng d\u1eabn b\u1ea1n c\u00e1ch ch\u1ecdn m\u1ed9t bu\u1ed3ng m\u00f4i tr\u01b0\u1eddng.<\/span><\/span><\/p>\n

C\u00e1c k\u1ef9 s\u01b0 tham gia nghi\u00ean c\u1ee9u \u0111i\u1ec1u ki\u1ec7n m\u00f4i tr\u01b0\u1eddng c\u1ee7a s\u1ea3n ph\u1ea9m k\u1ef9 thu\u1eadt \u0111\u00e3 t\u00f3m t\u1eaft c\u00e1c \u0111i\u1ec1u ki\u1ec7n m\u00f4i tr\u01b0\u1eddng v\u00e0 \u0111i\u1ec1u ki\u1ec7n m\u00f4i tr\u01b0\u1eddng do ho\u1ea1t \u0111\u1ed9ng c\u1ee7a con ng\u01b0\u1eddi g\u00e2y ra th\u00e0nh m\u1ed9t lo\u1ea1t c\u00e1c ti\u00eau chu\u1ea9n v\u00e0 chu\u1ea9n m\u1ef1c th\u1eed nghi\u1ec7m. Th\u00f4ng qua c\u00e1c ti\u00eau chu\u1ea9n n\u00e0y \u0111\u1ec3 ti\u1ebfn h\u00e0nh c\u00e1c th\u1eed nghi\u1ec7m v\u1ec1 m\u00f4i tr\u01b0\u1eddng v\u00e0 \u0111\u1ed9 tin c\u1eady c\u1ee7a s\u1ea3n ph\u1ea9m k\u1ef9 thu\u1eadt. Do \u0111\u00f3, khi l\u1ef1a ch\u1ecdn <\/span><\/span>bu\u1ed3ng th\u1eed nghi\u1ec7m m\u00f4i tr\u01b0\u1eddng<\/span><\/span><\/a> , ch\u00fang t\u00f4i ch\u1ee7 y\u1ebfu d\u1ef1a v\u00e0o c\u00e1c th\u00f4ng s\u1ed1 k\u1ef9 thu\u1eadt th\u1eed nghi\u1ec7m v\u00e0 ti\u00eau chu\u1ea9n th\u1eed nghi\u1ec7m c\u1ee7a s\u1ea3n ph\u1ea9m k\u1ef9 thu\u1eadt.<\/span><\/span><\/p>\n

Ti\u00eau ch\u00ed l\u1ef1a ch\u1ecdn ph\u00f2ng m\u00f4i tr\u01b0\u1eddng<\/span><\/span><\/strong><\/span><\/span><\/h2>\n

1. L\u1ef1a ch\u1ecdn \u00e2m l\u01b0\u1ee3ng<\/span><\/span><\/strong><\/span><\/p>\n

Khi s\u1ea3n ph\u1ea9m \u0111\u01b0\u1ee3c th\u1eed nghi\u1ec7m \u0111\u01b0\u1ee3c \u0111\u1eb7t trong bu\u1ed3ng m\u00f4i tr\u01b0\u1eddng \u0111\u1ec3 th\u1eed nghi\u1ec7m, th\u1ec3 t\u00edch bu\u1ed3ng l\u00e0m vi\u1ec7c c\u1ee7a bu\u1ed3ng th\u1eed nghi\u1ec7m m\u00f4i tr\u01b0\u1eddng kh\u00ed h\u1eadu ph\u1ea3i g\u1ea5p \u00edt nh\u1ea5t 3 \u0111\u1ebfn 5 l\u1ea7n th\u1ec3 t\u00edch b\u00ean ngo\u00e0i c\u1ee7a s\u1ea3n ph\u1ea9m \u0111\u01b0\u1ee3c th\u1eed nghi\u1ec7m.<\/span><\/span><\/p>\n

2. L\u1ef1a ch\u1ecdn ph\u1ea1m vi nhi\u1ec7t \u0111\u1ed9<\/span><\/span><\/strong><\/span><\/p>\n

Ph\u1ea1m vi c\u1ee7a bu\u1ed3ng th\u1eed nhi\u1ec7t \u0111\u1ed9 n\u01b0\u1edbc ngo\u00e0i th\u01b0\u1eddng l\u00e0 -73~+177\u00b0C ho\u1eb7c -70~180\u00b0C. H\u1ea7u h\u1ebft c\u00e1c s\u1ea3n ph\u1ea9m c\u1ee7a nh\u00e0 s\u1ea3n xu\u1ea5t trong n\u01b0\u1edbc l\u00e0 -80~+130\u00b0C, -60~+130\u00b0C, -40~+130\u00b0C v\u00e0 nhi\u1ec7t \u0111\u1ed9 cao \u0111\u1ebfn 150\u00b0C. C\u00e1c ph\u1ea1m vi nhi\u1ec7t \u0111\u1ed9 n\u00e0y th\u01b0\u1eddng \u0111\u00e1p \u1ee9ng nhu c\u1ea7u c\u1ee7a h\u1ea7u h\u1ebft c\u00e1c th\u1eed nghi\u1ec7m nhi\u1ec7t \u0111\u1ed9 qu\u00e2n s\u1ef1 v\u00e0 d\u00e2n s\u1ef1 trong n\u01b0\u1edbc.<\/span><\/span><\/p>\n

3. L\u1ef1a ch\u1ecdn ph\u1ea1m vi \u0111\u1ed9 \u1ea9m<\/span><\/span><\/strong><\/span><\/p>\n

Ch\u1ec9 s\u1ed1 nhi\u1ec7t \u0111\u1ed9 c\u1ee7a c\u00e1c bu\u1ed3ng th\u1eed nghi\u1ec7m m\u00f4i tr\u01b0\u1eddng trong v\u00e0 ngo\u00e0i n\u01b0\u1edbc th\u01b0\u1eddng l\u00e0 20~98% RH ho\u1eb7c 30~98% RH. N\u1ebfu bu\u1ed3ng nhi\u1ec7t \u0111\u1ed9, \u0111\u1ed9 \u1ea9m kh\u00f4ng c\u00f3 h\u1ec7 th\u1ed1ng h\u00fat \u1ea9m, ph\u1ea1m vi nhi\u1ec7t \u0111\u1ed9 l\u00e0 60 \u0111\u1ebfn 98%. Lo\u1ea1i bu\u1ed3ng th\u1eed nghi\u1ec7m n\u00e0y ch\u1ec9 c\u00f3 th\u1ec3 th\u1eed nghi\u1ec7m \u0111\u1ed9 \u1ea9m cao, nh\u01b0ng gi\u00e1 th\u00e0nh r\u1ebb h\u01a1n nhi\u1ec1u. C\u1ea7n l\u01b0u \u00fd r\u1eb1ng ph\u1ea1m vi nhi\u1ec7t \u0111\u1ed9 t\u01b0\u01a1ng \u1ee9ng ho\u1eb7c nhi\u1ec7t \u0111\u1ed9 \u0111i\u1ec3m s\u01b0\u01a1ng t\u1ed1i thi\u1ec3u ph\u1ea3i \u0111\u01b0\u1ee3c ch\u1ec9 \u0111\u1ecbnh sau ch\u1ec9 b\u00e1o \u0111\u1ed9 \u1ea9m. B\u1edfi v\u00ec \u0111\u1ed9 \u1ea9m t\u01b0\u01a1ng \u0111\u1ed1i c\u00f3 li\u00ean quan tr\u1ef1c ti\u1ebfp \u0111\u1ebfn nhi\u1ec7t \u0111\u1ed9.<\/span><\/span><\/p>\n

\u0110\u1ed1i v\u1edbi c\u00f9ng m\u1ed9t \u0111\u1ed9 \u1ea9m tuy\u1ec7t \u0111\u1ed1i, nhi\u1ec7t \u0111\u1ed9 c\u00e0ng cao, \u0111\u1ed9 \u1ea9m t\u01b0\u01a1ng \u0111\u1ed1i c\u00e0ng th\u1ea5p. V\u00ed d\u1ee5, \u0111\u1ed9 \u1ea9m tuy\u1ec7t \u0111\u1ed1i l\u00e0 5 g\/kg, khi nhi\u1ec7t \u0111\u1ed9 l\u00e0 29\u00b0C, \u0111\u1ed9 \u1ea9m t\u01b0\u01a1ng \u0111\u1ed1i l\u00e0 20% RH. V\u00e0 khi nhi\u1ec7t \u0111\u1ed9 l\u00e0 6\u00b0C, \u0111\u1ed9 \u1ea9m t\u01b0\u01a1ng \u0111\u1ed1i l\u00e0 90% RH. Khi nhi\u1ec7t \u0111\u1ed9 gi\u1ea3m xu\u1ed1ng d\u01b0\u1edbi 4\u00b0C v\u00e0 \u0111\u1ed9 \u1ea9m t\u01b0\u01a1ng \u0111\u1ed1i v\u01b0\u1ee3t qu\u00e1 100%, s\u1ef1 ng\u01b0ng t\u1ee5 s\u1ebd x\u1ea3y ra trong h\u1ed9p.<\/span><\/span><\/p>\n

4. L\u1ef1a ch\u1ecdn ph\u01b0\u01a1ng ph\u00e1p ki\u1ec3m so\u00e1t<\/span><\/span><\/strong><\/span><\/p>\n

Bu\u1ed3ng th\u1eed nhi\u1ec7t \u0111\u1ed9 \u0111\u1ed9 \u1ea9m c\u00f3 hai \u0111i\u1ec1u ki\u1ec7n:<\/span><\/span><\/strong><\/p>\n