{"id":31643,"date":"2024-11-24T09:31:00","date_gmt":"2024-11-24T01:31:00","guid":{"rendered":"https:\/\/www.tstcables.com\/huong-dan-day-du-ve-xep-hang-bao-ve-ip-ip44ip54ip55ip65ip66ipx4ipx5ipx7ipx8\/"},"modified":"2025-03-08T11:50:19","modified_gmt":"2025-03-08T03:50:19","slug":"huong-dan-day-du-ve-xep-hang-bao-ve-ip-ip44ip54ip55ip65ip66ipx4ipx5ipx7ipx8","status":"publish","type":"post","link":"https:\/\/www.tstcables.com\/vi\/huong-dan-day-du-ve-xep-hang-bao-ve-ip-ip44ip54ip55ip65ip66ipx4ipx5ipx7ipx8\/","title":{"rendered":"H\u01b0\u1edbng d\u1eabn \u0111\u1ea7y \u0111\u1ee7 v\u1ec1 x\u1ebfp h\u1ea1ng b\u1ea3o v\u1ec7 IP: IP44|IP54|IP55|IP65|IP66|IPX4|IPX5|IPX7|IPX8"},"content":{"rendered":"\n<p>H\u1ec7 th\u1ed1ng x\u1ebfp h\u1ea1ng IP (B\u1ea3o v\u1ec7 qu\u1ed1c t\u1ebf) \u0111\u01b0\u1ee3c so\u1ea1n th\u1ea3o b\u1edfi IEC (\u1ee6y ban k\u1ef9 thu\u1eadt \u0111i\u1ec7n qu\u1ed1c t\u1ebf). Con s\u1ed1 \u0111\u1ea7u ti\u00ean bi\u1ec3u th\u1ecb m\u1ee9c \u0111\u1ed9 b\u1ea3o v\u1ec7 c\u1ee7a \u0111\u00e8n ch\u1ed1ng b\u1ee5i v\u00e0 v\u1eadt l\u1ea1 (x\u1ebfp h\u1ea1ng b\u1ea3o v\u1ec7 b\u1ee5i), v\u00e0 con s\u1ed1 th\u1ee9 hai bi\u1ec3u th\u1ecb m\u1ee9c \u0111\u1ed9 b\u1ecbt k\u00edn c\u1ee7a \u0111\u00e8n ch\u1ed1ng l\u1ea1i h\u01a1i \u1ea9m v\u00e0 s\u1ef1 x\u00e2m nh\u1eadp c\u1ee7a kh\u00ed ch\u1ed1ng th\u1ea5m n\u01b0\u1edbc (x\u1ebfp h\u1ea1ng b\u1ea3o v\u1ec7 ch\u1ed1ng th\u1ea5m n\u01b0\u1edbc). Con s\u1ed1 c\u00e0ng l\u1edbn th\u00ec m\u1ee9c \u0111\u1ed9 b\u1ea3o v\u1ec7 c\u00e0ng cao.  <\/p>\n\n<figure class=\"wp-block-image alignleft size-full is-resized\"><img decoding=\"async\" src=\"https:\/\/www.tstcables.com\/wp-content\/uploads\/2024\/11\/&#x4F01;&#x4E1A;&#x5FAE;&#x4FE1;&#x622A;&#x56FE;_20240919161028.png\" alt=\"D&#xE2;y k&#x1EBF;t n&#x1ED1;i ch&#x1ED1;ng n&#x1B0;&#x1EDB;c IP68\" class=\"wp-image-27024\" style=\"width:383px;height:auto\" loading=\"lazy\" \/><figcaption class=\"wp-element-caption\">D\u00e2y k\u1ebft n\u1ed1i ch\u1ed1ng n\u01b0\u1edbc IP68<\/figcaption><\/figure>\n\n<p>X\u1ebfp h\u1ea1ng b\u1ea3o v\u1ec7 IP (Ingress Protection Rating), th\u01b0\u1eddng \u0111\u01b0\u1ee3c g\u1ecdi l\u00e0 m\u00e3 IP, l\u00e0 m\u1ed9t ti\u00eau chu\u1ea9n qu\u1ed1c t\u1ebf \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng \u0111\u1ec3 ch\u1ec9 kh\u1ea3 n\u0103ng c\u1ee7a v\u1ecf thi\u1ebft b\u1ecb \u0111i\u1ec7n ch\u1ed1ng l\u1ea1i s\u1ef1 x\u00e2m nh\u1eadp c\u1ee7a c\u00e1c v\u1eadt th\u1ec3 r\u1eafn b\u00ean ngo\u00e0i (bao g\u1ed3m c\u1ea3 ng\u00f3n tay, v.v.) v\u00e0 c\u00e1p ch\u1ed1ng n\u01b0\u1edbc. Ti\u00eau chu\u1ea9n n\u00e0y \u0111\u01b0\u1ee3c \u1ee6y ban K\u1ef9 thu\u1eadt \u0110i\u1ec7n t\u1eed Qu\u1ed1c t\u1ebf (IEC) thi\u1ebft l\u1eadp v\u00e0 ti\u00eau chu\u1ea9n c\u1ee5 th\u1ec3 l\u00e0 IEC 60529. <\/p>\n\n<p>M\u00e3 IP th\u01b0\u1eddng bao g\u1ed3m c\u00e1c ch\u1eef c\u00e1i IP theo sau l\u00e0 hai s\u1ed1. S\u1ed1 \u0111\u1ea7u ti\u00ean bi\u1ec3u th\u1ecb m\u1ee9c \u0111\u1ed9 b\u1ea3o v\u1ec7 c\u1ee7a thi\u1ebft b\u1ecb ch\u1ed1ng l\u1ea1i s\u1ef1 x\u00e2m nh\u1eadp c\u1ee7a c\u00e1c v\u1eadt th\u1ec3 r\u1eafn l\u1ea1, v\u00e0 s\u1ed1 th\u1ee9 hai bi\u1ec3u th\u1ecb m\u1ee9c \u0111\u1ed9 b\u1ea3o v\u1ec7 ch\u1ed1ng l\u1ea1i s\u1ef1 x\u00e2m nh\u1eadp c\u1ee7a ch\u1ea5t l\u1ecfng. C\u1ea3 hai s\u1ed1 \u0111\u1ec1u n\u1eb1m trong kho\u1ea3ng t\u1eeb 0 \u0111\u1ebfn 6 (\u0111\u1ed1i v\u1edbi ch\u1ea5t r\u1eafn) ho\u1eb7c t\u1eeb 0 \u0111\u1ebfn 8 (\u0111\u1ed1i v\u1edbi ch\u1ea5t l\u1ecfng), v\u00e0 m\u1ed7i s\u1ed1 bi\u1ec3u th\u1ecb m\u1ed9t m\u1ee9c \u0111\u1ed9 b\u1ea3o v\u1ec7 kh\u00e1c nhau.  <\/p>\n\n<p>\u0110\u1ecbnh ngh\u0129a c\u1ea5p \u0111\u1ed9 b\u1ea3o v\u1ec7 IP:<br\/>C\u1ea5p \u0111\u1ed9 b\u1ea3o v\u1ec7 r\u1eafn:<br\/>0: Kh\u00f4ng c\u00f3 b\u1ea3o v\u1ec7 \u0111\u1eb7c bi\u1ec7t.<br\/>1: Ng\u0103n ch\u1eb7n c\u00e1c v\u1eadt th\u1ec3 r\u1eafn l\u1edbn h\u01a1n 50mm x\u00e2m nh\u1eadp.<br\/>2: Ng\u0103n ch\u1eb7n c\u00e1c v\u1eadt th\u1ec3 r\u1eafn l\u1edbn h\u01a1n 12mm x\u00e2m nh\u1eadp.<br\/>3: Ng\u0103n ch\u1eb7n c\u00e1c v\u1eadt th\u1ec3 r\u1eafn l\u1edbn h\u01a1n 2,5mm x\u00e2m nh\u1eadp.<br\/>4: Ng\u0103n ch\u1eb7n c\u00e1c v\u1eadt th\u1ec3 r\u1eafn l\u1edbn h\u01a1n 1,0mm x\u00e2m nh\u1eadp.<br\/>5: Ch\u1ed1ng b\u1ee5i, m\u1eb7c d\u00f9 kh\u00f4ng th\u1ec3 ng\u0103n ch\u1eb7n ho\u00e0n to\u00e0n b\u1ee5i x\u00e2m nh\u1eadp, nh\u01b0ng l\u01b0\u1ee3ng b\u1ee5i x\u00e2m nh\u1eadp s\u1ebd kh\u00f4ng \u1ea3nh h\u01b0\u1edfng \u0111\u1ebfn ho\u1ea1t \u0111\u1ed9ng b\u00ecnh th\u01b0\u1eddng c\u1ee7a thi\u1ebft b\u1ecb.<br\/>6: Ch\u1ed1ng b\u1ee5i ho\u00e0n to\u00e0n, kh\u00f4ng c\u00f3 b\u1ee5i x\u00e2m nh\u1eadp.<\/p>\n\n<p>M\u1ee9c \u0111\u1ed9 b\u1ea3o v\u1ec7 IP l\u1ecfng:<br\/>0: Kh\u00f4ng c\u00f3 bi\u1ec7n ph\u00e1p b\u1ea3o v\u1ec7 \u0111\u1eb7c bi\u1ec7t.<br\/>1: N\u01b0\u1edbc nh\u1ecf gi\u1ecdt theo chi\u1ec1u th\u1eb3ng \u0111\u1ee9ng s\u1ebd kh\u00f4ng g\u00e2y ra t\u00e1c h\u1ea1i n\u00e0o.<br\/>2: Khi v\u1ecf m\u00e1y nghi\u00eang trong ph\u1ea1m vi 15\u00b0, n\u01b0\u1edbc nh\u1ecf gi\u1ecdt theo ph\u01b0\u01a1ng th\u1eb3ng \u0111\u1ee9ng s\u1ebd kh\u00f4ng g\u00e2y ra t\u00e1c h\u1ea1i n\u00e0o.<br\/>3: M\u01b0a \u1edf m\u1ed7i c\u1ea1nh th\u1eb3ng \u0111\u1ee9ng s\u1ebd kh\u00f4ng g\u00e2y ra t\u00e1c h\u1ea1i n\u00e0o.<br\/>4: Vi\u1ec7c b\u1eafn n\u01b0\u1edbc theo b\u1ea5t k\u1ef3 h\u01b0\u1edbng n\u00e0o c\u0169ng kh\u00f4ng g\u00e2y ra t\u00e1c h\u1ea1i g\u00ec.<br\/>5: Vi\u1ec7c phun n\u01b0\u1edbc theo b\u1ea5t k\u1ef3 h\u01b0\u1edbng n\u00e0o c\u0169ng kh\u00f4ng g\u00e2y ra t\u00e1c h\u1ea1i g\u00ec.<br\/>6: Vi\u1ec7c phun n\u01b0\u1edbc m\u1ea1nh theo b\u1ea5t k\u1ef3 h\u01b0\u1edbng n\u00e0o c\u0169ng kh\u00f4ng g\u00e2y ra t\u00e1c h\u1ea1i g\u00ec.<br\/>7: Sau khi ng\u00e2m trong n\u01b0\u1edbc \u1edf \u00e1p su\u1ea5t quy \u0111\u1ecbnh trong m\u1ed9t kho\u1ea3ng th\u1eddi gian nh\u1ea5t \u0111\u1ecbnh, kh\u00f4ng c\u00f3 d\u00f2ng n\u01b0\u1edbc n\u00e0o ch\u1ea3y v\u00e0o s\u1ebd \u1ea3nh h\u01b0\u1edfng \u0111\u1ebfn hi\u1ec7u su\u1ea5t c\u1ee7a thi\u1ebft b\u1ecb.<br\/>8: Vi\u1ec7c ng\u00e2m li\u00ean t\u1ee5c trong n\u01b0\u1edbc ph\u1ea3i c\u00f3 h\u01b0\u1edbng d\u1eabn \u0111\u1eb7c bi\u1ec7t v\u1ec1 \u0111\u1ed9 s\u00e2u v\u00e0 th\u1eddi gian ng\u00e2m do nh\u00e0 s\u1ea3n xu\u1ea5t v\u00e0 ng\u01b0\u1eddi d\u00f9ng th\u01b0\u01a1ng l\u01b0\u1ee3ng.<\/p>\n\n<p>Ph\u01b0\u01a1ng ph\u00e1p ki\u1ec3m tra m\u1ee9c \u0111\u1ed9 b\u1ea3o v\u1ec7 IP:<br\/>\u0110\u1ed1i v\u1edbi c\u00e1c m\u1ee9c \u0111\u1ed9 b\u1ea3o v\u1ec7 kh\u00e1c nhau, ph\u01b0\u01a1ng ph\u00e1p ki\u1ec3m tra c\u0169ng s\u1ebd kh\u00e1c nhau. Th\u01b0\u1eddng bao g\u1ed3m c\u00e1c th\u1eed nghi\u1ec7m sau: <\/p>\n\n<p>Ki\u1ec3m tra b\u1ea3o v\u1ec7 ch\u1eafc ch\u1eafn: S\u1eed d\u1ee5ng c\u00e1c c\u00f4ng c\u1ee5 ti\u00eau chu\u1ea9n c\u00f3 k\u00edch th\u01b0\u1edbc kh\u00e1c nhau (nh\u01b0 \u0111\u1ea7u d\u00f2) \u0111\u1ec3 th\u1eed \u0111\u01b0a v\u00e0o b\u00ean trong thi\u1ebft b\u1ecb nh\u1eb1m \u0111\u00e1nh gi\u00e1 m\u1ee9c \u0111\u1ed9 b\u1ea3o v\u1ec7 c\u1ee7a thi\u1ebft b\u1ecb.<br\/>Ki\u1ec3m tra ch\u1ed1ng th\u1ea5m n\u01b0\u1edbc: T\u00f9y thu\u1ed9c v\u00e0o m\u1ee9c \u0111\u1ed9 b\u1ea3o v\u1ec7, h\u00e3y s\u1eed d\u1ee5ng c\u00e1c \u00e1p su\u1ea5t v\u00e0 g\u00f3c n\u01b0\u1edbc kh\u00e1c nhau \u0111\u1ec3 ki\u1ec3m tra phun n\u01b0\u1edbc ho\u1eb7c ng\u00e2m n\u01b0\u1edbc.<br\/>C\u00e1c th\u1eed nghi\u1ec7m n\u00e0y th\u01b0\u1eddng \u0111\u01b0\u1ee3c th\u1ef1c hi\u1ec7n b\u1edfi c\u00e1c ph\u00f2ng th\u00ed nghi\u1ec7m chuy\u00ean nghi\u1ec7p v\u00e0 c\u1ea7n tu\u00e2n th\u1ee7 c\u00e1c ti\u00eau chu\u1ea9n v\u00e0 quy tr\u00ecnh c\u00f3 li\u00ean quan. \u0110\u1ed1i v\u1edbi c\u00e1c nh\u00e0 s\u1ea3n xu\u1ea5t, c\u1ea7n c\u00e2n nh\u1eafc c\u00e1ch \u0111\u1ea1t \u0111\u01b0\u1ee3c m\u1ee9c \u0111\u1ed9 b\u1ea3o v\u1ec7 IP c\u1ea7n thi\u1ebft trong giai \u0111o\u1ea1n thi\u1ebft k\u1ebf v\u00e0 x\u00e1c minh hi\u1ec7u su\u1ea5t b\u1ea3o v\u1ec7 c\u1ee7a s\u1ea3n ph\u1ea9m th\u00f4ng qua th\u1eed nghi\u1ec7m th\u1ef1c t\u1ebf. <\/p>\n\n<p>\u00dd ngh\u0129a c\u1ee7a c\u00e1c ch\u1eef c\u00e1i c\u1ee7a c\u1ea5p \u0111\u1ed9 b\u1ea3o v\u1ec7 IP<\/p>\n\n<p>\u0110\u1ecbnh ngh\u0129a v\u1ec1 s\u1ed1 \u0111\u1ea7u ti\u00ean\/c\u1ea5p \u0111\u1ed9 ch\u1ed1ng b\u1ee5i:<\/p>\n\n<p>IP00: Kh\u00f4ng c\u1ea7n b\u1ea3o v\u1ec7, kh\u00f4ng c\u1ea7n b\u1ea3o v\u1ec7 \u0111\u1eb7c bi\u1ec7t cho ng\u01b0\u1eddi ho\u1eb7c v\u1eadt b\u00ean ngo\u00e0i<\/p>\n\n<p>IP10: Ng\u0103n ch\u1eb7n s\u1ef1 x\u00e2m nh\u1eadp c\u1ee7a c\u00e1c v\u1eadt th\u1ec3 r\u1eafn l\u1edbn h\u01a1n 50mm v\u00e0 ng\u0103n ch\u1eb7n c\u01a1 th\u1ec3 con ng\u01b0\u1eddi (nh\u01b0 l\u00f2ng b\u00e0n tay) v\u00f4 t\u00ecnh ti\u1ebfp x\u00fac v\u1edbi c\u00e1c b\u1ed9 ph\u1eadn b\u00ean trong \u0111\u00e8n. Ng\u0103n ch\u1eb7n s\u1ef1 x\u00e2m nh\u1eadp c\u1ee7a c\u00e1c v\u1eadt th\u1ec3 l\u1ea1 c\u00f3 k\u00edch th\u01b0\u1edbc l\u1edbn (\u0111\u01b0\u1eddng k\u00ednh l\u1edbn h\u01a1n 50mm). <br\/>IP20: Ng\u0103n ch\u1eb7n s\u1ef1 x\u00e2m nh\u1eadp c\u1ee7a c\u00e1c v\u1eadt r\u1eafn l\u1edbn h\u01a1n 12mm, ng\u0103n ch\u1eb7n ng\u00f3n tay ng\u01b0\u1eddi ch\u1ea1m v\u00e0o c\u00e1c b\u1ed9 ph\u1eadn b\u00ean trong c\u1ee7a \u0111\u00e8n v\u00e0 ng\u0103n ch\u1eb7n s\u1ef1 x\u00e2m nh\u1eadp c\u1ee7a c\u00e1c v\u1eadt th\u1ec3 l\u1ea1 c\u00f3 k\u00edch th\u01b0\u1edbc trung b\u00ecnh (\u0111\u01b0\u1eddng k\u00ednh l\u1edbn h\u01a1n 12mm).<br\/>IP30: Ng\u0103n ch\u1eb7n s\u1ef1 x\u00e2m nh\u1eadp c\u1ee7a c\u00e1c v\u1eadt r\u1eafn l\u1edbn h\u01a1n 2,5mm v\u00e0 ng\u0103n ch\u1eb7n c\u00e1c d\u1ee5ng c\u1ee5, d\u00e2y \u0111i\u1ec7n ho\u1eb7c c\u00e1c v\u1eadt l\u1ea1 nh\u1ecf t\u01b0\u01a1ng t\u1ef1 c\u00f3 \u0111\u01b0\u1eddng k\u00ednh ho\u1eb7c \u0111\u1ed9 d\u00e0y l\u1edbn h\u01a1n 2,5mm x\u00e2m nh\u1eadp v\u00e0 ch\u1ea1m v\u00e0o c\u00e1c b\u1ed9 ph\u1eadn b\u00ean trong c\u1ee7a \u0111\u00e8n.<br\/>IP40: Ng\u0103n ch\u1eb7n s\u1ef1 x\u00e2m nh\u1eadp c\u1ee7a c\u00e1c v\u1eadt r\u1eafn l\u1edbn h\u01a1n 1,0mm: Ng\u0103n ch\u1eb7n c\u00e1c d\u1ee5ng c\u1ee5, d\u00e2y \u0111i\u1ec7n ho\u1eb7c c\u00e1c v\u1eadt l\u1ea1 nh\u1ecf t\u01b0\u01a1ng t\u1ef1 c\u00f3 \u0111\u01b0\u1eddng k\u00ednh ho\u1eb7c \u0111\u1ed9 d\u00e0y l\u1edbn h\u01a1n 1,0mm x\u00e2m nh\u1eadp v\u00e0 ch\u1ea1m v\u00e0o c\u00e1c b\u1ed9 ph\u1eadn b\u00ean trong c\u1ee7a \u0111\u00e8n.<br\/>IP50: Ch\u1ed1ng b\u1ee5i, ng\u0103n ch\u1eb7n ho\u00e0n to\u00e0n s\u1ef1 x\u00e2m nh\u1eadp c\u1ee7a c\u00e1c v\u1eadt l\u1ea1. M\u1eb7c d\u00f9 kh\u00f4ng th\u1ec3 ng\u0103n ch\u1eb7n ho\u00e0n to\u00e0n b\u1ee5i x\u00e2m nh\u1eadp, nh\u01b0ng l\u01b0\u1ee3ng b\u1ee5i x\u00e2m nh\u1eadp s\u1ebd kh\u00f4ng \u1ea3nh h\u01b0\u1edfng \u0111\u1ebfn ho\u1ea1t \u0111\u1ed9ng b\u00ecnh th\u01b0\u1eddng c\u1ee7a \u0111\u00e8n.<br\/>IP60: Ch\u1ed1ng b\u1ee5i, ng\u0103n ch\u1eb7n ho\u00e0n to\u00e0n s\u1ef1 x\u00e2m nh\u1eadp c\u1ee7a c\u00e1c v\u1eadt l\u1ea1 v\u00e0 ng\u0103n ch\u1eb7n ho\u00e0n to\u00e0n b\u1ee5i x\u00e2m nh\u1eadp.<br\/>\u0110\u00e1nh d\u1ea5u k\u1ef9 thu\u1eadt s\u1ed1\/\u0111\u1ecbnh ngh\u0129a th\u1ee9 hai v\u1ec1 m\u1ee9c \u0111\u1ed9 ch\u1ed1ng th\u1ea5m n\u01b0\u1edbc:<br\/>IPX0: Kh\u00f4ng b\u1ea3o v\u1ec7.<br\/>IPX1: Ng\u0103n ch\u1eb7n s\u1ef1 x\u00e2m nh\u1eadp c\u1ee7a n\u01b0\u1edbc nh\u1ecf gi\u1ecdt, c\u00e1c gi\u1ecdt n\u01b0\u1edbc nh\u1ecf gi\u1ecdt theo chi\u1ec1u d\u1ecdc (nh\u01b0 n\u01b0\u1edbc ng\u01b0ng t\u1ee5) s\u1ebd kh\u00f4ng g\u00e2y ra t\u00e1c h\u1ea1i c\u00f3 h\u1ea1i cho \u0111\u00e8n.<br\/>IPX2: Khi nghi\u00eang 15 \u0111\u1ed9, v\u1eabn c\u00f3 th\u1ec3 ng\u0103n ch\u1eb7n n\u01b0\u1edbc nh\u1ecf gi\u1ecdt x\u00e2m nh\u1eadp. Khi nghi\u00eang \u0111\u00e8n theo chi\u1ec1u d\u1ecdc 15 \u0111\u1ed9, n\u01b0\u1edbc nh\u1ecf gi\u1ecdt s\u1ebd kh\u00f4ng g\u00e2y ra t\u00e1c h\u1ea1i c\u00f3 h\u1ea1i cho \u0111\u00e8n.  <br\/>IPX3: Ng\u0103n n\u01b0\u1edbc x\u00e2m nh\u1eadp, ng\u0103n m\u01b0a ho\u1eb7c ng\u0103n n\u01b0\u1edbc tr\u00e0n v\u00e0o \u0111\u00e8n theo ph\u01b0\u01a1ng th\u1eb3ng \u0111\u1ee9ng nh\u1ecf h\u01a1n 60 \u0111\u1ed9 g\u00e2y h\u01b0 h\u1ecfng.<br\/>IPX4: Ng\u0103n n\u01b0\u1edbc b\u1eafn v\u00e0o, ng\u0103n n\u01b0\u1edbc b\u1eafn t\u1eeb m\u1ecdi h\u01b0\u1edbng v\u00e0o \u0111\u00e8n g\u00e2y h\u01b0 h\u1ecfng.<br\/>IPX5: Ng\u0103n ch\u1eb7n s\u1ef1 x\u00e2m nh\u1eadp c\u1ee7a n\u01b0\u1edbc, ng\u0103n n\u01b0\u1edbc phun t\u1eeb m\u1ecdi h\u01b0\u1edbng t\u1eeb v\u00f2i v\u00e0o \u0111\u00e8n v\u00e0 g\u00e2y h\u01b0 h\u1ecfng.<br\/>IPX6: Ng\u0103n ch\u1eb7n s\u00f3ng l\u1edbn x\u00e2m nh\u1eadp, l\u1eafp tr\u00ean \u0111\u00e8n boong t\u00e0u, ng\u0103n ng\u1eeba h\u01b0 h\u1ecfng do s\u00f3ng l\u1edbn x\u00e2m nh\u1eadp.<br\/>IPX7: Ng\u0103n ch\u1eb7n s\u1ef1 x\u00e2m nh\u1eadp c\u1ee7a n\u01b0\u1edbc khi ng\u00e2m \u0111\u00e8n trong n\u01b0\u1edbc, ng\u00e2m \u0111\u00e8n trong n\u01b0\u1edbc trong m\u1ed9t th\u1eddi gian nh\u1ea5t \u0111\u1ecbnh ho\u1eb7c \u00e1p l\u1ef1c n\u01b0\u1edbc th\u1ea5p h\u01a1n m\u1ed9t ti\u00eau chu\u1ea9n nh\u1ea5t \u0111\u1ecbnh, \u0111\u1ea3m b\u1ea3o \u0111\u00e8n kh\u00f4ng b\u1ecb h\u01b0 h\u1ecfng do s\u1ef1 x\u00e2m nh\u1eadp c\u1ee7a n\u01b0\u1edbc.<br\/>IPX8: Ng\u0103n n\u01b0\u1edbc x\u00e2m nh\u1eadp khi ch\u00ecm, \u0111\u00e8n ch\u00ecm v\u00f4 th\u1eddi h\u1ea1n d\u01b0\u1edbi \u00e1p su\u1ea5t n\u01b0\u1edbc quy \u0111\u1ecbnh, \u0111\u1ea3m b\u1ea3o \u0111\u00e8n kh\u00f4ng b\u1ecb h\u01b0 h\u1ecfng do n\u01b0\u1edbc x\u00e2m nh\u1eadp.<\/p>\n\n<p>Ti\u00eau chu\u1ea9n IEC l\u00e0 ch\u1eef vi\u1ebft t\u1eaft c\u1ee7a ti\u00eau chu\u1ea9n IEC International Electrotechnical Commission:<\/p>\n\n<p>\u1ee6y ban K\u1ef9 thu\u1eadt \u0110i\u1ec7n Qu\u1ed1c t\u1ebf (IEC) \u0111\u01b0\u1ee3c th\u00e0nh l\u1eadp v\u00e0o n\u0103m 1906. \u0110\u00e2y l\u00e0 t\u1ed5 ch\u1ee9c ti\u00eau chu\u1ea9n h\u00f3a k\u1ef9 thu\u1eadt \u0111i\u1ec7n qu\u1ed1c t\u1ebf phi ch\u00ednh ph\u1ee7 \u0111\u1ea7u ti\u00ean tr\u00ean th\u1ebf gi\u1edbi v\u00e0 l\u00e0 c\u01a1 quan t\u01b0 v\u1ea5n H\u1ea1ng A cho H\u1ed9i \u0111\u1ed3ng Kinh t\u1ebf v\u00e0 X\u00e3 h\u1ed9i Li\u00ean h\u1ee3p qu\u1ed1c (ECOSOC). Sau khi ISO \u0111\u01b0\u1ee3c th\u00e0nh l\u1eadp v\u00e0o n\u0103m 1947, IEC \u0111\u00e3 \u0111\u01b0\u1ee3c s\u00e1p nh\u1eadp v\u00e0o ISO v\u1edbi t\u01b0 c\u00e1ch l\u00e0 m\u1ed9t b\u1ed9 ph\u1eadn k\u1ef9 thu\u1eadt \u0111i\u1ec7n, nh\u01b0ng v\u1eabn duy tr\u00ec s\u1ef1 \u0111\u1ed9c l\u1eadp v\u1ec1 k\u1ef9 thu\u1eadt v\u00e0 t\u00e0i ch\u00ednh. Theo th\u1ecfa thu\u1eadn m\u1edbi \u0111\u1ea1t \u0111\u01b0\u1ee3c gi\u1eefa ISO v\u00e0 IEC v\u00e0o n\u0103m 1976, hai t\u1ed5 ch\u1ee9c n\u00e0y l\u00e0 c\u00e1c t\u1ed5 ch\u1ee9c \u0111\u1ed9c l\u1eadp v\u1ec1 m\u1eb7t ph\u00e1p l\u00fd. IEC ch\u1ecbu tr\u00e1ch nhi\u1ec7m v\u1ec1 ti\u00eau chu\u1ea9n h\u00f3a qu\u1ed1c t\u1ebf trong l\u0129nh v\u1ef1c k\u1ef9 thu\u1eadt \u0111i\u1ec7n v\u00e0 \u0111i\u1ec7n t\u1eed, v\u00e0 ISO ch\u1ecbu tr\u00e1ch nhi\u1ec7m v\u1ec1 ti\u00eau chu\u1ea9n h\u00f3a qu\u1ed1c t\u1ebf trong c\u00e1c l\u0129nh v\u1ef1c kh\u00e1c. Hi\u1ec7n t\u1ea1i, c\u00e1c qu\u1ed1c gia th\u00e0nh vi\u00ean IEC bao g\u1ed3m ph\u1ea7n l\u1edbn c\u00e1c n\u01b0\u1edbc ph\u00e1t tri\u1ec3n c\u00f4ng nghi\u1ec7p v\u00e0 m\u1ed9t s\u1ed1 n\u01b0\u1edbc \u0111ang ph\u00e1t tri\u1ec3n. C\u00e1c qu\u1ed1c gia n\u00e0y chi\u1ebfm 80% d\u00e2n s\u1ed1 th\u1ebf gi\u1edbi, s\u1ea3n xu\u1ea5t v\u00e0 ti\u00eau th\u1ee5 95% \u0111i\u1ec7n n\u0103ng c\u1ee7a th\u1ebf gi\u1edbi v\u00e0 s\u1ea3n xu\u1ea5t v\u00e0 s\u1eed d\u1ee5ng 90% c\u00e1c s\u1ea3n ph\u1ea9m \u0111i\u1ec7n v\u00e0 \u0111i\u1ec7n t\u1eed c\u1ee7a th\u1ebf gi\u1edbi. M\u1ee5c \u0111\u00edch c\u1ee7a IEC l\u00e0 th\u00fac \u0111\u1ea9y s\u1ef1 ph\u1ed1i h\u1ee3p qu\u1ed1c t\u1ebf v\u1ec1 c\u00e1c ti\u00eau chu\u1ea9n \u0111i\u1ec7n, ti\u00eau chu\u1ea9n h\u00f3a trong l\u0129nh v\u1ef1c k\u1ef9 thu\u1eadt \u0111i\u1ec7n v\u00e0 \u0111i\u1ec7n t\u1eed, h\u1ee3p t\u00e1c qu\u1ed1c t\u1ebf trong c\u00e1c l\u0129nh v\u1ef1c li\u00ean quan v\u00e0 t\u0103ng c\u01b0\u1eddng s\u1ef1 hi\u1ec3u bi\u1ebft l\u1eabn nhau gi\u1eefa c\u00e1c qu\u1ed1c gia. \u0110\u1ec3 \u0111\u1ea1t \u0111\u01b0\u1ee3c m\u1ee5c \u0111\u00edch n\u00e0y, IEC xu\u1ea5t b\u1ea3n nhi\u1ec1u \u1ea5n ph\u1ea9m kh\u00e1c nhau, bao g\u1ed3m c\u00e1c ti\u00eau chu\u1ea9n qu\u1ed1c t\u1ebf v\u00e0 khuy\u1ebfn kh\u00edch c\u00e1c \u1ee7y ban qu\u1ed1c gia c\u1ee7a nhi\u1ec1u qu\u1ed1c gia \u00e1p d\u1ee5ng c\u00e1c ti\u00eau chu\u1ea9n n\u00e0y theo \u0111i\u1ec1u ki\u1ec7n qu\u1ed1c gia c\u1ee7a h\u1ecd. Ph\u1ea1m vi c\u00f4ng vi\u1ec7c c\u1ee7a IEC bao g\u1ed3m \u0111i\u1ec7n, \u0111i\u1ec7n t\u1eed, vi\u1ec5n th\u00f4ng v\u00e0 n\u0103ng l\u01b0\u1ee3ng nguy\u00ean t\u1eed. C\u01a1 quan c\u00f3 th\u1ea9m quy\u1ec1n cao nh\u1ea5t c\u1ee7a IEC l\u00e0 H\u1ed9i \u0111\u1ed3ng. Hi\u1ec7n t\u1ea1i, IEC c\u00f3 53 qu\u1ed1c gia th\u00e0nh vi\u00ean, \u0111\u01b0\u1ee3c g\u1ecdi l\u00e0 \u1ee6y ban qu\u1ed1c gia IEC v\u00e0 m\u1ed7i qu\u1ed1c gia ch\u1ec9 c\u00f3 th\u1ec3 c\u00f3 m\u1ed9t t\u1ed5 ch\u1ee9c l\u00e0 th\u00e0nh vi\u00ean c\u1ee7a m\u00ecnh. M\u1ed7i qu\u1ed1c gia th\u00e0nh vi\u00ean l\u00e0 th\u00e0nh vi\u00ean c\u1ee7a H\u1ed9i \u0111\u1ed3ng v\u00e0 H\u1ed9i \u0111\u1ed3ng t\u1ed5 ch\u1ee9c m\u1ed9t cu\u1ed9c h\u1ecdp h\u00e0ng n\u0103m, \u0111\u01b0\u1ee3c g\u1ecdi l\u00e0 Cu\u1ed9c h\u1ecdp th\u01b0\u1eddng ni\u00ean c\u1ee7a IEC, do m\u1ed7i qu\u1ed1c gia th\u00e0nh vi\u00ean l\u1ea7n l\u01b0\u1ee3t t\u1ed5 ch\u1ee9c. \u1ee6y ban \u0111i\u1ec1u h\u00e0nh ch\u1ecbu tr\u00e1ch nhi\u1ec7m x\u1eed l\u00fd c\u00e1c v\u1ea5n \u0111\u1ec1 do H\u1ed9i \u0111\u1ed3ng giao. C\u00f4ng vi\u1ec7c k\u1ef9 thu\u1eadt c\u1ee7a IEC l\u00e0 tr\u00e1ch nhi\u1ec7m c\u1ee7a \u1ee6y ban \u0111i\u1ec1u h\u00e0nh (CA). \u0110\u1ec3 n\u00e2ng cao hi\u1ec7u qu\u1ea3 c\u00f4ng vi\u1ec7c, \u1ee6y ban \u0111i\u1ec1u h\u00e0nh \u0111\u01b0\u1ee3c chia th\u00e0nh ba nh\u00f3m A, B v\u00e0 C, v\u00e0 x\u1eed l\u00fd vi\u1ec7c ph\u1ed1i h\u1ee3p thi\u1ebft l\u1eadp ti\u00eau chu\u1ea9n trong c\u00e1c l\u0129nh v\u1ef1c kh\u00e1c nhau c\u00f9ng m\u1ed9t l\u00fac. Hi\u1ec7n t\u1ea1i, IEC c\u00f3 104 \u1ee7y ban k\u1ef9 thu\u1eadt v\u00e0 143 ti\u1ec3u ban k\u1ef9 thu\u1eadt. IEC c\u00f3 ba \u1ee7y ban ch\u1ee9ng nh\u1eadn, m\u1ed9t l\u00e0 \u1ee6y ban \u0111\u00e1nh gi\u00e1 ch\u1ea5t l\u01b0\u1ee3ng linh ki\u1ec7n \u0111i\u1ec7n t\u1eed (IECQ), m\u1ed9t l\u00e0 \u1ee6y ban ch\u1ee9ng nh\u1eadn an to\u00e0n \u0111i\u1ec7n t\u1eed (IECEE) v\u00e0 m\u1ed9t l\u00e0 \u1ee6y ban ch\u1ee9ng nh\u1eadn thi\u1ebft b\u1ecb \u0111i\u1ec7n ch\u1ed1ng ch\u00e1y n\u1ed5 (IECEX). \u0110\u1ec3 ph\u1ed1i h\u1ee3p x\u00e2y d\u1ef1ng c\u00e1c ti\u00eau ch\u00ed ch\u1ee9ng nh\u1eadn c\u00f3 li\u00ean quan, IEC c\u0169ng th\u00e0nh l\u1eadp \u1ee6y ban \u0111\u00e1nh gi\u00e1 s\u1ef1 ph\u00f9 h\u1ee3p (CAB) v\u00e0o n\u0103m 1996, ch\u1ecbu tr\u00e1ch nhi\u1ec7m x\u00e2y d\u1ef1ng m\u1ed9t lo\u1ea1t c\u00e1c ti\u00eau ch\u00ed ch\u1ee9ng nh\u1eadn v\u00e0 c\u00f4ng nh\u1eadn, bao g\u1ed3m c\u1ea3 c\u00f4ng t\u00e1c ch\u1ee9ng nh\u1eadn h\u1ec7 th\u1ed1ng.                  <\/p>\n\n<p>Ph\u01b0\u01a1ng ph\u00e1p ki\u1ec3m tra m\u1ee9c \u0111\u1ed9 b\u1ea3o v\u1ec7 IP:<\/p>\n\n<p>Ph\u01b0\u01a1ng ph\u00e1p th\u1eed nghi\u1ec7m m\u1ee9c \u0111\u1ed9 b\u1ea3o v\u1ec7 IP23: IP2X \u0111\u1ea1i di\u1ec7n cho th\u1eed nghi\u1ec7m ch\u1ed1ng b\u1ee5i, c\u00f4ng c\u1ee5 th\u1eed nghi\u1ec7m v\u1eadt th\u1ec3 h\u00ecnh c\u1ea7u c\u00f3 \u0111\u01b0\u1eddng k\u00ednh 12,5mm kh\u00f4ng \u0111\u01b0\u1ee3c \u0111i ho\u00e0n to\u00e0n v\u00e0o v\u1ecf, s\u1eed d\u1ee5ng m\u1ed9t qu\u1ea3 b\u00f3ng c\u1ee9ng c\u00f3 \u0111\u01b0\u1eddng k\u00ednh 12,5mm kh\u00f4ng c\u00f3 tay c\u1ea7m v\u00e0 t\u1ea5m b\u1ea3o v\u1ec7, l\u1ef1c th\u1eed nghi\u1ec7m l\u00e0 30N; IPX3 \u0111\u1ea1i di\u1ec7n cho th\u1eed nghi\u1ec7m phun n\u01b0\u1edbc, s\u1ea3n ph\u1ea9m \u0111\u01b0\u1ee3c phun n\u01b0\u1edbc tr\u00ean m\u1ed7i m\u1eb7t ph\u1eb3ng th\u1eb3ng \u0111\u1ee9ng trong ph\u1ea1m vi 60 \u0111\u1ed9, kh\u00f4ng c\u00f3 t\u00e1c h\u1ea1i, s\u1eed d\u1ee5ng \u1ed1ng xoay ho\u1eb7c \u0111\u1ea7u phun n\u01b0\u1edbc \u0111\u1ec3 phun n\u01b0\u1edbc, th\u1eed nghi\u1ec7m \u1ed1ng xoay l\u00e0 10 ph\u00fat, \u0111\u1ea7u phun n\u01b0\u1edbc phun n\u01b0\u1edbc 1 ph\u00fat\/m2, \u00edt nh\u1ea5t 5 ph\u00fat.<\/p>\n\n<p>Ph\u01b0\u01a1ng ph\u00e1p th\u1eed nghi\u1ec7m: IP3X \u0111\u1ea1i di\u1ec7n cho th\u1eed nghi\u1ec7m ch\u1ed1ng b\u1ee5i, d\u1ee5ng c\u1ee5 th\u1eed nghi\u1ec7m v\u1eadt th\u1ec3 c\u00f3 \u0111\u01b0\u1eddng k\u00ednh 2,5mm kh\u00f4ng \u0111\u01b0\u1ee3c \u0111i ho\u00e0n to\u00e0n v\u00e0o v\u1ecf, s\u1eed d\u1ee5ng thanh th\u00e9p c\u1ee9ng c\u00f3 \u0111\u01b0\u1eddng k\u00ednh 2,5mm v\u00e0 kh\u00f4ng c\u00f3 g\u1edd \u1edf c\u1ea1nh, l\u1ef1c th\u1eed nghi\u1ec7m l\u00e0 3N; IPX3 \u0111\u1ea1i di\u1ec7n cho th\u1eed nghi\u1ec7m phun n\u01b0\u1edbc, s\u1ea3n ph\u1ea9m \u0111\u01b0\u1ee3c phun n\u01b0\u1edbc tr\u00ean m\u1ed7i m\u1eb7t ph\u1eb3ng th\u1eb3ng \u0111\u1ee9ng trong ph\u1ea1m vi 60 \u0111\u1ed9, kh\u00f4ng c\u00f3 t\u00e1c h\u1ea1i, s\u1eed d\u1ee5ng \u1ed1ng xoay ho\u1eb7c \u0111\u1ea7u phun n\u01b0\u1edbc \u0111\u1ec3 phun n\u01b0\u1edbc, th\u1eed nghi\u1ec7m \u1ed1ng xoay l\u00e0 10 ph\u00fat v\u00e0 \u0111\u1ea7u phun n\u01b0\u1edbc phun n\u01b0\u1edbc 1 ph\u00fat\/m2, \u00edt nh\u1ea5t 5 ph\u00fat.<\/p>\n\n<p>Ph\u01b0\u01a1ng ph\u00e1p th\u1eed nghi\u1ec7m c\u1ea5p: IP4X \u0111\u1ea1i di\u1ec7n cho th\u1eed nghi\u1ec7m ch\u1ed1ng b\u1ee5i, c\u00e1c m\u1eabu v\u1eadt c\u00f3 \u0111\u01b0\u1eddng k\u00ednh 1mm kh\u00f4ng \u0111\u01b0\u1ee3c v\u00e0o v\u1ecf, s\u1eed d\u1ee5ng d\u00e2y th\u00e9p c\u1ee9ng c\u00f3 \u0111\u01b0\u1eddng k\u00ednh 1mm v\u00e0 kh\u00f4ng c\u00f3 g\u1edd \u1edf c\u1ea1nh, v\u00e0 l\u1ef1c th\u1eed nghi\u1ec7m l\u00e0 1N; IPX2 \u0111\u1ea1i di\u1ec7n cho th\u1eed nghi\u1ec7m ch\u1ed1ng nghi\u00eang gi\u1ecdt m\u01b0a, s\u1ea3n ph\u1ea9m nh\u1ecf gi\u1ecdt n\u01b0\u1edbc tr\u00ean m\u1ed7i m\u1eb7t ph\u1eb3ng th\u1eb3ng \u0111\u1ee9ng trong ph\u1ea1m vi 15 \u0111\u1ed9 v\u00e0 kh\u00f4ng c\u00f3 t\u00e1c \u0111\u1ed9ng c\u00f3 h\u1ea1i. S\u1eed d\u1ee5ng r\u00e3nh nh\u1ecf gi\u1ecdt v\u00e0 v\u1ecf nghi\u00eang 15 \u0111\u1ed9 \u1edf b\u1ed1n v\u1ecb tr\u00ed c\u1ed1 \u0111\u1ecbnh. T\u1ed1c \u0111\u1ed9 d\u00f2ng n\u01b0\u1edbc l\u00e0 3mm\/ph\u00fat v\u00e0 m\u1ed7i v\u1ecb tr\u00ed nghi\u00eang l\u00e0 2,5 ph\u00fat.  <\/p>\n\n<p>Ph\u01b0\u01a1ng ph\u00e1p th\u1eed nghi\u1ec7m c\u1ea5p \u0111\u1ed9 b\u1ea3o v\u1ec7 IP54: IP5X \u0111\u1ea1i di\u1ec7n cho th\u1eed nghi\u1ec7m ch\u1ed1ng b\u1ee5i, kh\u00f4ng th\u1ec3 ng\u0103n ch\u1eb7n ho\u00e0n to\u00e0n b\u1ee5i x\u00e2m nh\u1eadp, nh\u01b0ng l\u01b0\u1ee3ng b\u1ee5i x\u00e2m nh\u1eadp s\u1ebd kh\u00f4ng \u1ea3nh h\u01b0\u1edfng \u0111\u1ebfn ho\u1ea1t \u0111\u1ed9ng b\u00ecnh th\u01b0\u1eddng c\u1ee7a thi\u1ebft b\u1ecb v\u00e0 s\u1ebd kh\u00f4ng \u1ea3nh h\u01b0\u1edfng \u0111\u1ebfn an to\u00e0n. N\u00f3 \u0111\u01b0\u1ee3c \u0111\u1eb7t trong h\u1ed9p ch\u1ed1ng b\u1ee5i v\u00e0 th\u1eddi gian th\u1eed nghi\u1ec7m l\u00e0 8 gi\u1edd; Th\u1eed nghi\u1ec7m b\u1eafn tung t\u00f3e m\u01b0a xi\u00ean IPX4, n\u01b0\u1edbc \u0111\u01b0\u1ee3c b\u1eafn v\u00e0o t\u1eebng b\u1ec1 m\u1eb7t c\u1ee7a s\u1ea3n ph\u1ea9m v\u00e0 n\u01b0\u1edbc \u0111\u01b0\u1ee3c b\u1eafn b\u1eb1ng \u1ed1ng xoay ho\u1eb7c v\u00f2i phun n\u01b0\u1edbc. Th\u1eed nghi\u1ec7m \u1ed1ng xoay k\u00e9o d\u00e0i trong 10 ph\u00fat v\u00e0 v\u00f2i phun n\u01b0\u1edbc phun 1 ph\u00fat\/m2 trong \u00edt nh\u1ea5t 5 ph\u00fat.  <\/p>\n\n<p>Ph\u01b0\u01a1ng ph\u00e1p ki\u1ec3m tra m\u1ee9c \u0111\u1ed9 b\u1ea3o v\u1ec7: IP5X \u0111\u1ea1i di\u1ec7n cho th\u1eed nghi\u1ec7m ch\u1ed1ng b\u1ee5i, kh\u00f4ng th\u1ec3 ng\u0103n ch\u1eb7n ho\u00e0n to\u00e0n b\u1ee5i x\u00e2m nh\u1eadp, nh\u01b0ng l\u01b0\u1ee3ng b\u1ee5i x\u00e2m nh\u1eadp kh\u00f4ng \u0111\u01b0\u1ee3c \u1ea3nh h\u01b0\u1edfng \u0111\u1ebfn ho\u1ea1t \u0111\u1ed9ng b\u00ecnh th\u01b0\u1eddng c\u1ee7a thi\u1ebft b\u1ecb v\u00e0 an to\u00e0n. \u0110\u1eb7t trong h\u1ed9p ch\u1ed1ng b\u1ee5i v\u00e0 th\u1eddi gian th\u1eed nghi\u1ec7m l\u00e0 8 gi\u1edd; Th\u1eed nghi\u1ec7m phun ch\u1ed1ng th\u1ea5m n\u01b0\u1edbc IPX5, phun n\u01b0\u1edbc l\u00ean t\u1eebng b\u1ec1 m\u1eb7t c\u1ee7a s\u1ea3n ph\u1ea9m, kh\u00f4ng c\u00f3 gi\u1ecdt n\u01b0\u1edbc n\u00e0o x\u00e2m nh\u1eadp v\u00e0o s\u1ea3n ph\u1ea9m, s\u1eed d\u1ee5ng v\u00f2i phun c\u00f3 \u0111\u01b0\u1eddng k\u00ednh 6,3mm \u1edf kho\u1ea3ng c\u00e1ch 2,5-3 m\u00e9t t\u1eeb m\u1eabu v\u00e0 phun n\u01b0\u1edbc l\u00ean t\u1eebng b\u1ec1 m\u1eb7t trong \u00edt nh\u1ea5t 3 ph\u00fat. <\/p>\n\n<p>Ph\u01b0\u01a1ng ph\u00e1p th\u1eed nghi\u1ec7m m\u1ee9c \u0111\u1ed9 b\u1ea3o v\u1ec7 IP65: IP6X \u0111\u1ea1i di\u1ec7n cho th\u1eed nghi\u1ec7m ch\u1ed1ng b\u1ee5i v\u00e0 k\u00edn, ng\u0103n ch\u1eb7n ho\u00e0n to\u00e0n b\u1ee5i x\u00e2m nh\u1eadp, \u0111\u1eb7t trong h\u1ed9p c\u00e1t v\u00e0 b\u1ee5i, c\u1ea7n r\u00fat \u00e1p su\u1ea5t \u00e2m v\u00e0 th\u1eddi gian th\u1eed nghi\u1ec7m l\u00e0 8 gi\u1edd; Th\u1eed nghi\u1ec7m phun ch\u1ed1ng th\u1ea5m n\u01b0\u1edbc IPX5, phun n\u01b0\u1edbc l\u00ean t\u1eebng b\u1ec1 m\u1eb7t c\u1ee7a s\u1ea3n ph\u1ea9m, kh\u00f4ng c\u00f3 gi\u1ecdt n\u01b0\u1edbc n\u00e0o x\u00e2m nh\u1eadp v\u00e0o s\u1ea3n ph\u1ea9m, s\u1eed d\u1ee5ng v\u00f2i phun c\u00f3 \u0111\u01b0\u1eddng k\u00ednh 6,3mm \u1edf kho\u1ea3ng c\u00e1ch 2,5-3 m\u00e9t t\u1eeb m\u1eabu v\u00e0 phun n\u01b0\u1edbc l\u00ean t\u1eebng b\u1ec1 m\u1eb7t trong \u00edt nh\u1ea5t 3 ph\u00fat.<\/p>\n\n<p>Ph\u01b0\u01a1ng ph\u00e1p th\u1eed nghi\u1ec7m m\u1ee9c \u0111\u1ed9 b\u1ea3o v\u1ec7: IP6X \u0111\u1ea1i di\u1ec7n cho th\u1eed nghi\u1ec7m b\u1ecbt \u200b\u200bk\u00edn ch\u1ed1ng b\u1ee5i, ng\u0103n ch\u1eb7n ho\u00e0n to\u00e0n b\u1ee5i x\u00e2m nh\u1eadp, \u0111\u01b0\u1ee3c \u0111\u1eb7t trong h\u1ed9p c\u00e1t v\u00e0 b\u1ee5i, v\u00e0 y\u00eau c\u1ea7u \u00e1p su\u1ea5t \u00e2m, th\u1eddi gian th\u1eed nghi\u1ec7m l\u00e0 8 gi\u1edd; Th\u1eed nghi\u1ec7m phun n\u01b0\u1edbc m\u1ea1nh IPX6, th\u1eed nghi\u1ec7m phun n\u01b0\u1edbc m\u1ea1nh tr\u00ean t\u1eebng b\u1ec1 m\u1eb7t c\u1ee7a s\u1ea3n ph\u1ea9m, kh\u00f4ng c\u00f3 gi\u1ecdt n\u01b0\u1edbc n\u00e0o x\u00e2m nh\u1eadp v\u00e0o s\u1ea3n ph\u1ea9m, s\u1eed d\u1ee5ng v\u00f2i phun c\u00f3 \u0111\u01b0\u1eddng k\u00ednh 12,5mm \u1edf kho\u1ea3ng c\u00e1ch 2,5-3 m\u00e9t t\u1eeb m\u1eabu v\u00e0 phun n\u01b0\u1edbc l\u00ean t\u1eebng b\u1ec1 m\u1eb7t trong \u00edt nh\u1ea5t 3 ph\u00fat.<\/p>\n\n<p>Ph\u01b0\u01a1ng ph\u00e1p th\u1eed nghi\u1ec7m m\u1ee9c \u0111\u1ed9 b\u1ea3o v\u1ec7 IP67: IP6X \u0111\u1ea1i di\u1ec7n cho th\u1eed nghi\u1ec7m b\u1ecbt \u200b\u200bk\u00edn ch\u1ed1ng b\u1ee5i, ng\u0103n ch\u1eb7n ho\u00e0n to\u00e0n b\u1ee5i x\u00e2m nh\u1eadp, \u0111\u01b0\u1ee3c \u0111\u1eb7t trong h\u1ed9p c\u00e1t v\u00e0 b\u1ee5i, v\u00e0 y\u00eau c\u1ea7u \u00e1p su\u1ea5t \u00e2m, th\u1eddi gian th\u1eed nghi\u1ec7m l\u00e0 8 gi\u1edd; Th\u1eed nghi\u1ec7m ng\u00e2m trong th\u1eddi gian ng\u1eafn IPX7, s\u1eed d\u1ee5ng b\u1ec3 l\u1eb7n, m\u1eb7t n\u01b0\u1edbc c\u00e1ch v\u1ecf \u00edt nh\u1ea5t 0,15 m\u00e9t v\u00e0 \u0111\u00e1y v\u1ecf c\u00e1ch m\u1eb7t n\u01b0\u1edbc \u00edt nh\u1ea5t 1 m\u00e9t, th\u1eddi gian th\u1eed nghi\u1ec7m l\u00e0 30 ph\u00fat.<\/p>\n\n<p>Ph\u01b0\u01a1ng ph\u00e1p th\u1eed nghi\u1ec7m m\u1ee9c \u0111\u1ed9 b\u1ea3o v\u1ec7: IP6X l\u00e0 th\u1eed nghi\u1ec7m ch\u1ed1ng b\u1ee5i, ng\u0103n ch\u1eb7n ho\u00e0n to\u00e0n b\u1ee5i x\u00e2m nh\u1eadp, \u0111\u01b0\u1ee3c \u0111\u1eb7t trong h\u1ed9p c\u00e1t v\u00e0 b\u1ee5i, y\u00eau c\u1ea7u \u00e1p su\u1ea5t \u00e2m v\u00e0 th\u1eddi gian th\u1eed nghi\u1ec7m l\u00e0 8 gi\u1edd; Th\u1eed nghi\u1ec7m ng\u00e2m IPX8, s\u1eed d\u1ee5ng b\u1ec3 l\u1eb7n, chi\u1ec1u cao m\u1eb7t n\u01b0\u1edbc v\u00e0 th\u1eddi gian th\u1eed nghi\u1ec7m \u0111\u01b0\u1ee3c x\u00e1c \u0111\u1ecbnh th\u00f4ng qua \u0111\u00e0m ph\u00e1n gi\u1eefa ng\u01b0\u1eddi d\u00f9ng v\u00e0 nh\u00e0 s\u1ea3n xu\u1ea5t v\u00e0 l\u00e0 c\u1ea5p \u0111\u1ed9 m\u1edf.<\/p>\n\n<p>H\u01b0\u1edbng d\u1eabn \u0111\u1ea7y \u0111\u1ee7 v\u1ec1 x\u1ebfp h\u1ea1ng IP &#8211; IP44, IP54, IP55, IP65, IP66, IPX4, IPX5, IPX7, IPX8<\/p>\n\n<p>X\u1ebfp h\u1ea1ng IP, c\u00f2n \u0111\u01b0\u1ee3c g\u1ecdi l\u00e0 x\u1ebfp h\u1ea1ng b\u1ea3o v\u1ec7 ch\u1ed1ng x\u00e2m nh\u1eadp, x\u00e1c \u0111\u1ecbnh m\u1ee9c \u0111\u1ed9 b\u1ea3o v\u1ec7 m\u00e0 thi\u1ebft b\u1ecb ho\u1eb7c thi\u1ebft b\u1ecb \u0111i\u1ec7n c\u00f3 \u0111\u01b0\u1ee3c ch\u1ed1ng l\u1ea1i s\u1ef1 x\u00e2m nh\u1eadp c\u1ee7a c\u00e1c h\u1ea1t r\u1eafn (nh\u01b0 b\u1ee5i) v\u00e0 ch\u1ea5t l\u1ecfng (nh\u01b0 n\u01b0\u1edbc). Hi\u1ec3u \u0111\u01b0\u1ee3c x\u1ebfp h\u1ea1ng IP l\u00e0 \u0111i\u1ec1u c\u1ea7n thi\u1ebft \u0111\u1ec3 l\u1ef1a ch\u1ecdn s\u1ea3n ph\u1ea9m cho c\u00e1c \u1ee9ng d\u1ee5ng c\u1ee5 th\u1ec3, v\u00ec ch\u00fang ch\u1ec9 ra t\u00ednh ph\u00f9 h\u1ee3p c\u1ee7a thi\u1ebft b\u1ecb \u0111\u1ec3 s\u1eed d\u1ee5ng trong c\u00e1c m\u00f4i tr\u01b0\u1eddng v\u00e0 \u0111i\u1ec1u ki\u1ec7n kh\u00e1c nhau. Trong h\u01b0\u1edbng d\u1eabn \u0111\u1ea7y \u0111\u1ee7 n\u00e0y, ch\u00fang t\u00f4i s\u1ebd xem x\u00e9t s\u00e2u h\u01a1n v\u1ec1 c\u00e1c x\u1ebfp h\u1ea1ng IP kh\u00e1c nhau, bao g\u1ed3m Khi n\u00f3i \u0111\u1ebfn c\u00e1c thi\u1ebft b\u1ecb, d\u1ee5ng c\u1ee5 v\u00e0 thi\u1ebft b\u1ecb ngo\u00e0i tr\u1eddi, b\u1ea1n c\u00f3 th\u1ec3 \u0111\u00e3 nh\u1eadn th\u1ea5y m\u1ed9t lo\u1ea1t c\u00e1c s\u1ed1 v\u00e0 ch\u1eef c\u00e1i theo sau l\u00e0 c\u00e1c ch\u1eef c\u00e1i &#8220;IP&#8221;. C\u00e1c m\u00e3 ch\u1eef s\u1ed1 n\u00e0y th\u1ef1c s\u1ef1 bi\u1ec3u th\u1ecb m\u1ee9c \u0111\u1ed9 b\u1ea3o v\u1ec7 m\u00e0 v\u1ecf thi\u1ebft b\u1ecb c\u00f3 \u0111\u01b0\u1ee3c ch\u1ed1ng l\u1ea1i c\u00e1c v\u1eadt th\u1ec3 r\u1eafn v\u00e0 ch\u1ea5t l\u1ecfng. Trong h\u01b0\u1edbng d\u1eabn \u0111\u1ea7y \u0111\u1ee7 n\u00e0y, ch\u00fang t\u00f4i s\u1ebd ph\u00e2n t\u00edch \u00fd ngh\u0129a v\u00e0 t\u1ea7m quan tr\u1ecdng c\u1ee7a c\u00e1c x\u1ebfp h\u1ea1ng IP kh\u00e1c nhau, ch\u1eb3ng h\u1ea1n nh\u01b0 IP44, IP54, IP55, IP65, IP66, IPX4, IPX5 v\u00e0 IPX7, \u0111\u1ec3 gi\u00fap b\u1ea1n hi\u1ec3u r\u00f5 h\u01a1n v\u1ec1 m\u1ee9c \u0111\u1ed9 b\u1ea3o v\u1ec7 m\u00e0 c\u00e1c thi\u1ebft b\u1ecb kh\u00e1c nhau cung c\u1ea5p.    <\/p>\n\n<ol class=\"wp-block-list\">\n<li>IP44: C\u00e1c thi\u1ebft b\u1ecb c\u00f3 x\u1ebfp h\u1ea1ng IP44 \u0111\u01b0\u1ee3c b\u1ea3o v\u1ec7 ch\u1ed1ng l\u1ea1i c\u00e1c v\u1eadt th\u1ec3 r\u1eafn c\u00f3 \u0111\u01b0\u1eddng k\u00ednh l\u1edbn h\u01a1n 1 mm v\u00e0 n\u01b0\u1edbc b\u1eafn t\u1eeb m\u1ecdi h\u01b0\u1edbng. X\u1ebfp h\u1ea1ng n\u00e0y th\u01b0\u1eddng \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng cho \u0111\u00e8n ngo\u00e0i tr\u1eddi, \u0111\u00e8n s\u00e2n v\u01b0\u1eddn v\u00e0 \u0111\u1ed3 \u0111\u1ea1c trong ph\u00f2ng t\u1eafm. <\/li>\n\n\n\n<li>IP54: X\u1ebfp h\u1ea1ng IP54 cho bi\u1ebft kh\u1ea3 n\u0103ng b\u1ea3o v\u1ec7 ch\u1ed1ng l\u1ea1i s\u1ef1 x\u00e2m nh\u1eadp c\u1ee7a b\u1ee5i v\u00e0 n\u01b0\u1edbc b\u1eafn t\u1eeb m\u1ecdi h\u01b0\u1edbng. V\u1ecf \u0111i\u1ec7n c\u00f3 x\u1ebfp h\u1ea1ng IP54 ph\u00f9 h\u1ee3p \u0111\u1ec3 s\u1eed d\u1ee5ng ngo\u00e0i tr\u1eddi ho\u1eb7c trong m\u00f4i tr\u01b0\u1eddng nhi\u1ec1u b\u1ee5i. <\/li>\n\n\n\n<li>IP55: C\u00e1c thi\u1ebft b\u1ecb c\u00f3 x\u1ebfp h\u1ea1ng IP55 \u0111\u01b0\u1ee3c b\u1ea3o v\u1ec7 ch\u1ed1ng b\u1ee5i v\u00e0 tia n\u01b0\u1edbc \u00e1p su\u1ea5t th\u1ea5p t\u1eeb m\u1ecdi h\u01b0\u1edbng. C\u00e1c thi\u1ebft b\u1ecb n\u00e0y th\u01b0\u1eddng \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng cho camera an ninh ngo\u00e0i tr\u1eddi, \u0111\u00e8n v\u00e0 thi\u1ebft b\u1ecb \u0111i\u1ec7n trong v\u01b0\u1eddn. <\/li>\n\n\n\n<li>IP65: X\u1ebfp h\u1ea1ng IP65 cho bi\u1ebft kh\u1ea3 n\u0103ng b\u1ea3o v\u1ec7 ch\u1ed1ng b\u1ee5i v\u00e0 tia n\u01b0\u1edbc \u00e1p su\u1ea5t th\u1ea5p t\u1eeb m\u1ecdi h\u01b0\u1edbng. X\u1ebfp h\u1ea1ng n\u00e0y ph\u00f9 h\u1ee3p v\u1edbi \u0111\u00e8n chi\u1ebfu s\u00e1ng ngo\u00e0i tr\u1eddi, \u1ed5 c\u1eafm trong v\u01b0\u1eddn v\u00e0 v\u1ecf \u0111i\u1ec7n ti\u1ebfp x\u00fac v\u1edbi c\u00e1c y\u1ebfu t\u1ed1. <\/li>\n\n\n\n<li>IP66: C\u00e1c thi\u1ebft b\u1ecb \u0111\u01b0\u1ee3c x\u1ebfp h\u1ea1ng IP66 \u0111\u01b0\u1ee3c b\u1ea3o v\u1ec7 ho\u00e0n to\u00e0n kh\u1ecfi b\u1ee5i v\u00e0 tia n\u01b0\u1edbc \u00e1p su\u1ea5t cao t\u1eeb m\u1ecdi h\u01b0\u1edbng. X\u1ebfp h\u1ea1ng b\u1ea3o v\u1ec7 n\u00e0y l\u00fd t\u01b0\u1edfng cho c\u00e1c thi\u1ebft b\u1ecb ngo\u00e0i tr\u1eddi, d\u1ee5ng c\u1ee5 \u0111i\u1ec7n v\u00e0 c\u00e1c \u1ee9ng d\u1ee5ng c\u00f4ng nghi\u1ec7p c\u1ea7n b\u1ea3o v\u1ec7 kh\u1ecfi \u0111i\u1ec1u ki\u1ec7n th\u1eddi ti\u1ebft kh\u1eafc nghi\u1ec7t. <\/li>\n\n\n\n<li>IPX4: &#8220;X&#8221; trong x\u1ebfp h\u1ea1ng IPX4 c\u00f3 ngh\u0129a l\u00e0 thi\u1ebft b\u1ecb ch\u01b0a \u0111\u01b0\u1ee3c th\u1eed nghi\u1ec7m v\u1ec1 kh\u1ea3 n\u0103ng b\u1ea3o v\u1ec7 ch\u1ed1ng l\u1ea1i c\u00e1c v\u1eadt th\u1ec3 r\u1eafn. Tuy nhi\u00ean, n\u00f3 \u0111\u01b0\u1ee3c b\u1ea3o v\u1ec7 ch\u1ed1ng l\u1ea1i n\u01b0\u1edbc b\u1eafn t\u1eeb m\u1ecdi h\u01b0\u1edbng, khi\u1ebfn n\u00f3 ph\u00f9 h\u1ee3p \u0111\u1ec3 s\u1eed d\u1ee5ng trong \u0111\u00e8n ngo\u00e0i tr\u1eddi v\u00e0 c\u00e1c thi\u1ebft b\u1ecb l\u00e0m v\u01b0\u1eddn. <\/li>\n\n\n\n<li>IPX5: T\u01b0\u01a1ng t\u1ef1, &#8220;X&#8221; trong x\u1ebfp h\u1ea1ng IPX5 c\u00f3 ngh\u0129a l\u00e0 kh\u00f4ng c\u1ea7n th\u1eed nghi\u1ec7m v\u1eadt r\u1eafn, nh\u01b0ng thi\u1ebft b\u1ecb \u0111\u01b0\u1ee3c b\u1ea3o v\u1ec7 ch\u1ed1ng l\u1ea1i tia n\u01b0\u1edbc \u00e1p su\u1ea5t th\u1ea5p t\u1eeb m\u1ecdi h\u01b0\u1edbng. C\u00e1c thi\u1ebft b\u1ecb \u0111\u01b0\u1ee3c x\u1ebfp h\u1ea1ng IPX5 th\u01b0\u1eddng \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng trong loa ngo\u00e0i tr\u1eddi, h\u1ec7 th\u1ed1ng t\u01b0\u1edbi ti\u00eau v\u00e0 thi\u1ebft b\u1ecb c\u1eafm tr\u1ea1i. <\/li>\n\n\n\n<li>IPX7: C\u00e1c thi\u1ebft b\u1ecb \u0111\u01b0\u1ee3c x\u1ebfp h\u1ea1ng IPX7 kh\u00f4ng \u0111\u01b0\u1ee3c th\u1eed nghi\u1ec7m \u0111\u1ec3 b\u1ea3o v\u1ec7 ch\u1ed1ng l\u1ea1i c\u00e1c v\u1eadt th\u1ec3 r\u1eafn, nh\u01b0ng c\u00f3 th\u1ec3 ch\u1ecbu \u0111\u01b0\u1ee3c khi ng\u00e2m trong n\u01b0\u1edbc \u1edf \u0111\u1ed9 s\u00e2u 1 m\u00e9t trong 30 ph\u00fat. Loa ch\u1ed1ng n\u01b0\u1edbc, \u0111\u00e8n d\u01b0\u1edbi n\u01b0\u1edbc v\u00e0 thi\u1ebft b\u1ecb \u0111i\u1ec7n t\u1eed h\u00e0ng h\u1ea3i th\u01b0\u1eddng c\u00f3 x\u1ebfp h\u1ea1ng n\u00e0y. <\/li>\n\n\n\n<li>IPX8: C\u00e1c thi\u1ebft b\u1ecb \u0111\u1ea1t chu\u1ea9n IPX8 \u0111\u01b0\u1ee3c b\u1ea3o v\u1ec7 ch\u1ed1ng l\u1ea1i s\u1ef1 x\u00e2m nh\u1eadp c\u1ee7a b\u1ee5i v\u00e0 s\u1ef1 x\u00e2m nh\u1eadp c\u1ee7a n\u01b0\u1edbc, c\u00f3 th\u1ec3 ng\u0103n ch\u1eb7n s\u1ef1 x\u00e2m nh\u1eadp c\u1ee7a n\u01b0\u1edbc khi ng\u1eadp n\u01b0\u1edbc, \u0111\u00e8n c\u00f3 th\u1ec3 \u0111\u01b0\u1ee3c ng\u00e2m trong n\u01b0\u1edbc v\u00f4 th\u1eddi h\u1ea1n \u1edf \u00e1p su\u1ea5t n\u01b0\u1edbc quy \u0111\u1ecbnh v\u00e0 c\u00f3 th\u1ec3 \u0111\u1ea3m b\u1ea3o kh\u00f4ng b\u1ecb h\u01b0 h\u1ecfng do s\u1ef1 x\u00e2m nh\u1eadp c\u1ee7a n\u01b0\u1edbc.<\/li>\n<\/ol>\n\n<p>B\u1eb1ng c\u00e1ch hi\u1ec3u \u0111\u01b0\u1ee3c t\u1ea7m quan tr\u1ecdng c\u1ee7a c\u00e1c x\u1ebfp h\u1ea1ng IP kh\u00e1c nhau, b\u1ea1n c\u00f3 th\u1ec3 ch\u1ecdn \u0111\u00fang thi\u1ebft b\u1ecb v\u00e0 thi\u1ebft b\u1ecb \u0111i\u1ec7n \u0111\u1ec3 \u0111\u00e1p \u1ee9ng nhu c\u1ea7u c\u1ee5 th\u1ec3 c\u1ee7a m\u00ecnh v\u00e0 cung c\u1ea5p kh\u1ea3 n\u0103ng b\u1ea3o v\u1ec7 \u0111\u1ea7y \u0111\u1ee7 ch\u1ed1ng l\u1ea1i ch\u1ea5t r\u1eafn v\u00e0 ch\u1ea5t l\u1ecfng trong nhi\u1ec1u m\u00f4i tr\u01b0\u1eddng kh\u00e1c nhau. Cho d\u00f9 b\u1ea1n \u0111ang t\u00ecm ki\u1ebfm \u0111\u00e8n chi\u1ebfu s\u00e1ng ngo\u00e0i tr\u1eddi, d\u1ee5ng c\u1ee5 l\u00e0m v\u01b0\u1eddn hay d\u1ee5ng c\u1ee5 c\u00f4ng nghi\u1ec7p, vi\u1ec7c hi\u1ec3u x\u1ebfp h\u1ea1ng IP c\u00f3 th\u1ec3 gi\u00fap \u0111\u1ea3m b\u1ea3o \u0111\u1ed9 b\u1ec1n v\u00e0 tu\u1ed5i th\u1ecd cho thi\u1ebft b\u1ecb c\u1ee7a b\u1ea1n. Khi ch\u1ecdn thi\u1ebft b\u1ecb c\u00f3 x\u1ebfp h\u1ea1ng IP c\u1ee5 th\u1ec3, h\u00e3y \u0111\u1ea3m b\u1ea3o li\u00ean h\u1ec7 v\u1edbi nh\u00e0 s\u1ea3n xu\u1ea5t \u0111\u1ec3 \u0111\u01b0\u1ee3c t\u01b0 v\u1ea5n chuy\u00ean nghi\u1ec7p \u0111\u1ec3 b\u1ea1n c\u00f3 th\u1ec3 \u0111\u01b0a ra quy\u1ebft \u0111\u1ecbnh s\u00e1ng su\u1ed1t.<br\/>N\u1ebfu b\u1ea1n c\u1ea7n c\u00e1p t\u00f9y ch\u1ec9nh \u0111\u00e1p \u1ee9ng c\u00e1c m\u1ee9c b\u1ea3o v\u1ec7 IP44, IP54, IP55, IP65, IP66, IPX4, IPX5, IPX7, IPX8 ho\u1eb7c kh\u00f4ng ch\u1eafc ch\u1eafn v\u1ec1 m\u1ee9c b\u1ea3o v\u1ec7 m\u00e0 thi\u1ebft b\u1ecb c\u00f4ng nghi\u1ec7p c\u1ee7a b\u1ea1n c\u1ea7n \u0111\u00e1p \u1ee9ng, b\u1ea1n c\u00f3 th\u1ec3 g\u1eedi email cho c\u00e1c k\u1ef9 s\u01b0 k\u1ef9 thu\u1eadt c\u1ee7a TST CABLES (email: lixiangchao@testeck.com).  <\/p>\n","protected":false},"excerpt":{"rendered":"<p>H\u1ec7 th\u1ed1ng x\u1ebfp h\u1ea1ng IP (B\u1ea3o v\u1ec7 qu\u1ed1c t\u1ebf) \u0111\u01b0\u1ee3c so\u1ea1n th\u1ea3o b\u1edfi IEC (\u1ee6y ban k\u1ef9 thu\u1eadt \u0111i\u1ec7n qu\u1ed1c [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":27033,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_eb_attr":"","site-sidebar-layout":"default","site-content-layout":"","ast-site-content-layout":"default","site-content-style":"default","site-sidebar-style":"default","ast-global-header-display":"","ast-banner-title-visibility":"","ast-main-header-display":"","ast-hfb-above-header-display":"","ast-hfb-below-header-display":"","ast-hfb-mobile-header-display":"","site-post-title":"","ast-breadcrumbs-content":"","ast-featured-img":"","footer-sml-layout":"","theme-transparent-header-meta":"","adv-header-id-meta":"","stick-header-meta":"","header-above-stick-meta":"","header-main-stick-meta":"","header-below-stick-meta":"","astra-migrate-meta-layouts":"default","ast-page-background-enabled":"default","ast-page-background-meta":{"desktop":{"background-color":"","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"tablet":{"background-color":"","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"mobile":{"background-color":"","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""}},"ast-content-background-meta":{"desktop":{"background-color":"var(--ast-global-color-5)","background-image":"","background-repeat":"repeat","background-position":"center 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