\u1ed0ng nghe 3M Littmann<\/a><\/span><\/span><\/p>\nPh\u1ea1m vi s\u1eed d\u1ee5ng c\u1ee7a kh\u1ea9u trang N95:<\/strong><\/em><\/span><\/p>\n\n- \u261e<\/strong><\/em><\/span>B\u1ea3o v\u1ec7 nh\u00e2n vi\u00ean y t\u1ebf v\u00e0 nh\u1eefng ng\u01b0\u1eddi lao \u0111\u1ed9ng c\u00f3 li\u00ean quan ch\u1ed1ng l\u1ea1i c\u00e1c b\u1ec7nh truy\u1ec1n nhi\u1ec5m qua \u0111\u01b0\u1eddng h\u00f4 h\u1ea5p trong kh\u00f4ng kh\u00ed.<\/span><\/li>\n
- \u261e<\/strong><\/em><\/span>B\u1ea3o v\u1ec7 c\u01a1 b\u1ea3n cho nh\u00e2n vi\u00ean y t\u1ebf ho\u1eb7c nh\u00e2n vi\u00ean c\u00f3 li\u00ean quan, v\u00e0 b\u1ea3o v\u1ec7 ch\u1ed1ng l\u1ea1i s\u1ef1 l\u00e2y lan c\u1ee7a m\u00e1u, d\u1ecbch c\u01a1 th\u1ec3 v\u00e0 c\u00e1c ch\u1ea5t b\u1eafn tung t\u00f3e trong c\u00e1c th\u1ee7 thu\u1eadt x\u00e2m l\u1ea5n.<\/span><\/li>\n
- \u261e<\/strong><\/em><\/span>Ch\u0103m s\u00f3c v\u1ec7 sinh m\u1ed9t l\u1ea7n trong m\u00f4i tr\u01b0\u1eddng th\u00f4ng th\u01b0\u1eddng, ho\u1eb7c r\u00e0o c\u1ea3n ho\u1eb7c b\u1ea3o v\u1ec7 c\u00e1c ph\u1ea7n t\u1eed kh\u00f4ng ph\u1ea3i l\u00e0 vi sinh v\u1eadt g\u00e2y b\u1ec7nh nh\u01b0 ph\u1ea5n hoa.<\/span><\/li>\n
- \u261e<\/strong><\/em><\/span>C\u00e1c c\u1ea5p \u0111\u1ed9 m\u1eb7t n\u1ea1 ch\u1ed1ng h\u1ea1t kh\u00e1c \u0111\u01b0\u1ee3c NIOSH ch\u1ee9ng nh\u1eadn bao g\u1ed3m: N95, N99, N100, R95, R99, R100, P95, P99, P100, t\u1ed5ng c\u1ed9ng c\u00f3 9 lo\u1ea1i. C\u00e1c m\u1ee9c b\u1ea3o v\u1ec7 n\u00e0y c\u00f3 th\u1ec3 bao g\u1ed3m ph\u1ea1m vi b\u1ea3o v\u1ec7 c\u1ee7a N95.<\/span><\/li>\n
- \u261e<\/strong><\/em><\/span>\u201cN\u201d ngh\u0129a l\u00e0 kh\u00f4ng ki\u1ec1m d\u1ea7u, th\u00edch h\u1ee3p v\u1edbi c\u00e1c h\u1ea1t kh\u00f4ng ch\u1ee9a d\u1ea7u, kh\u00f4ng gi\u1edbi h\u1ea1n th\u1eddi gian s\u1eed d\u1ee5ng.<\/span><\/li>\n
- \u261e<\/strong><\/em><\/span>\u201cR\u201d ngh\u0129a l\u00e0 c\u00f3 kh\u1ea3 n\u0103ng ki\u1ec1m d\u1ea7u, th\u00edch h\u1ee3p cho c\u00e1c h\u1ea1t d\u1ea7u ho\u1eb7c kh\u00f4ng d\u1ea7u, n\u1ebfu d\u00f9ng \u0111\u1ec3 b\u1ea3o v\u1ec7 c\u00e1c h\u1ea1t d\u1ea7u th\u00ec th\u1eddi gian s\u1eed d\u1ee5ng kh\u00f4ng qu\u00e1 8 ti\u1ebfng.<\/span><\/li>\n
- \u261e<\/strong><\/em><\/span>\u201cP\u201d c\u00f3 ngh\u0129a l\u00e0 ki\u1ec1m d\u1ea7u, th\u00edch h\u1ee3p cho c\u00e1c h\u1ea1t d\u1ea7u ho\u1eb7c kh\u00f4ng d\u1ea7u, n\u1ebfu d\u00f9ng cho c\u00e1c h\u1ea1t d\u1ea7u th\u00ec th\u1eddi gian s\u1eed d\u1ee5ng n\u00ean theo khuy\u1ebfn ngh\u1ecb c\u1ee7a nh\u00e0 s\u1ea3n xu\u1ea5t.<\/span><\/li>\n
- \u261e<\/strong><\/em><\/span>“95”, “99” v\u00e0 “100” \u0111\u1ec1 c\u1eadp \u0111\u1ebfn m\u1ee9c hi\u1ec7u qu\u1ea3 l\u1ecdc khi \u0111\u01b0\u1ee3c th\u1eed nghi\u1ec7m v\u1edbi c\u00e1c h\u1ea1t 0,3 micron. “95” c\u00f3 ngh\u0129a l\u00e0 hi\u1ec7u su\u1ea5t l\u1ecdc tr\u00ean 95%, “99” c\u00f3 ngh\u0129a l\u00e0 hi\u1ec7u su\u1ea5t l\u1ecdc tr\u00ean 99% v\u00e0 “100” c\u00f3 ngh\u0129a l\u00e0 hi\u1ec7u su\u1ea5t l\u1ecdc tr\u00ean 99,7%.<\/span><\/li>\n
- \u261e<\/strong><\/em><\/span>KN95 l\u00e0 ph\u00e2n lo\u1ea1i m\u1eb7t n\u1ea1 ch\u1ed1ng h\u1ea1t trong ti\u00eau chu\u1ea9n qu\u1ed1c gia GB2626-2006 c\u1ee7a Trung Qu\u1ed1c, \u0111\u1ec1 c\u1eadp \u0111\u1ebfn m\u1eb7t n\u1ea1 c\u00f3 hi\u1ec7u su\u1ea5t l\u1ecdc l\u1edbn h\u01a1n 95% \u0111\u1ed1i v\u1edbi c\u00e1c h\u1ea1t kh\u00f4ng d\u1ea7u tr\u00ean 0,075 micron<\/span><\/li>\n
- \u261e<\/strong><\/em><\/span>Theo hi\u1ec7u su\u1ea5t, n\u00f3 \u0111\u01b0\u1ee3c chia th\u00e0nh hai lo\u1ea1i: KN v\u00e0 KP, lo\u1ea1i KN ch\u1ec9 th\u00edch h\u1ee3p \u0111\u1ec3 l\u1ecdc c\u00e1c h\u1ea1t kh\u00f4ng d\u1ea7u v\u00e0 lo\u1ea1i KP th\u00edch h\u1ee3p \u0111\u1ec3 l\u1ecdc c\u00e1c h\u1ea1t c\u00f3 d\u1ea7u.<\/span><\/li>\n<\/ul>\n
D\u00f2ng KN:<\/strong><\/em><\/span><\/p>\n\n- \u2713<\/span>KN100: Hi\u1ec7u qu\u1ea3 l\u1ecdc \u0111\u1ed1i v\u1edbi c\u00e1c h\u1ea1t kh\u00f4ng d\u1ea7u tr\u00ean 0,075 micromet l\u1edbn h\u01a1n 99,97%<\/span><\/li>\n
- \u2713<\/span>KN95: Hi\u1ec7u su\u1ea5t l\u1ecdc c\u1ee7a c\u00e1c h\u1ea1t kh\u00f4ng d\u1ea7u tr\u00ean 0,075 micron l\u1edbn h\u01a1n 95%<\/span><\/li>\n
- \u2713<\/span>KN90: Hi\u1ec7u qu\u1ea3 l\u1ecdc \u0111\u1ed1i v\u1edbi c\u00e1c h\u1ea1t kh\u00f4ng d\u1ea7u tr\u00ean 0,075 micromet l\u1edbn h\u01a1n 90%<\/span><\/li>\n<\/ul>\n
D\u00f2ng KP:<\/strong><\/em><\/span><\/p>\n\n- \u2713<\/span>KP100: \u0110\u1ed1i v\u1edbi c\u00e1c h\u1ea1t d\u1ea7u tr\u00ean 0,185 micromet, hi\u1ec7u qu\u1ea3 l\u1ecdc l\u1edbn h\u01a1n 99,97%<\/span><\/li>\n
- \u2713<\/span>KP95: \u0110\u1ed1i v\u1edbi c\u00e1c h\u1ea1t d\u1ea7u tr\u00ean 0,185 micromet, hi\u1ec7u qu\u1ea3 l\u1ecdc l\u1edbn h\u01a1n 95%<\/span><\/li>\n
- \u2713<\/span>KP90: \u0110\u1ed1i v\u1edbi c\u00e1c h\u1ea1t d\u1ea7u tr\u00ean 0,185 micromet, hi\u1ec7u qu\u1ea3 l\u1ecdc l\u1edbn h\u01a1n 90%<\/span><\/li>\n<\/ul>\n