{"id":13301,"date":"2024-04-28T13:47:04","date_gmt":"2024-04-28T05:47:04","guid":{"rendered":"https:\/\/shchimay.com\/?p=13301"},"modified":"2024-04-29T13:03:46","modified_gmt":"2024-04-29T05:03:46","slug":"ph-meter-and-probe","status":"publish","type":"post","link":"https:\/\/shchimay.com\/vi\/ph-meter-and-probe\/","title":{"rendered":"m\u00e1y \u0111o ph v\u00e0 \u0111\u1ea7u d\u00f2"},"content":{"rendered":"<div id=\"ez-toc-container\" class=\"ez-toc-v2_0_50 counter-hierarchy ez-toc-counter ez-toc-light-blue ez-toc-container-direction\">\n<div class=\"ez-toc-title-container\">\n<p class=\"ez-toc-title\">Table of Contents<\/p>\n<span class=\"ez-toc-title-toggle\"><\/span><\/div>\n<nav><ul class='ez-toc-list ez-toc-list-level-1 ' ><li class='ez-toc-page-1 ez-toc-heading-level-1'><a class=\"ez-toc-link ez-toc-heading-1\" href=\"https:\/\/shchimay.com\/vi\/ph-meter-and-probe\/#Loi_ich_cua_viec_su_dung_may_do_pH_de_lam_vuon_tai_nha\" title=\"L\u1ee3i \u00edch c\u1ee7a vi\u1ec7c s\u1eed d\u1ee5ng m\u00e1y \u0111o pH \u0111\u1ec3 l\u00e0m v\u01b0\u1eddn t\u1ea1i nh\u00e0\">L\u1ee3i \u00edch c\u1ee7a vi\u1ec7c s\u1eed d\u1ee5ng m\u00e1y \u0111o pH \u0111\u1ec3 l\u00e0m v\u01b0\u1eddn t\u1ea1i nh\u00e0<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-1'><a class=\"ez-toc-link ez-toc-heading-2\" href=\"https:\/\/shchimay.com\/vi\/ph-meter-and-probe\/#Cach_hieu_chinh_va_bao_quan_dau_do_pH_dung_cach_de_co_ket_qua_do_chinh_xac\" title=\"C\u00e1ch hi\u1ec7u ch\u1ec9nh v\u00e0 b\u1ea3o qu\u1ea3n \u0111\u1ea7u d\u00f2 pH \u0111\u00fang c\u00e1ch \u0111\u1ec3 c\u00f3 k\u1ebft qu\u1ea3 \u0111o ch\u00ednh x\u00e1c\">C\u00e1ch hi\u1ec7u ch\u1ec9nh v\u00e0 b\u1ea3o qu\u1ea3n \u0111\u1ea7u d\u00f2 pH \u0111\u00fang c\u00e1ch \u0111\u1ec3 c\u00f3 k\u1ebft qu\u1ea3 \u0111o ch\u00ednh x\u00e1c<\/a><\/li><\/ul><\/nav><\/div>\n<h1 id=\"benefits-of-using-a-ph-meter-for-home-gardening-wpaicgheading\"><span class=\"ez-toc-section\" id=\"Loi_ich_cua_viec_su_dung_may_do_pH_de_lam_vuon_tai_nha\"><\/span>L\u1ee3i \u00edch c\u1ee7a vi\u1ec7c s\u1eed d\u1ee5ng m\u00e1y \u0111o pH \u0111\u1ec3 l\u00e0m v\u01b0\u1eddn t\u1ea1i nh\u00e0<span class=\"ez-toc-section-end\"><\/span><\/h1>\n<p>\nDuy tr\u00ec \u0111\u1ed9 pH th\u00edch h\u1ee3p trong \u0111\u1ea5t l\u00e0 r\u1ea5t quan tr\u1ecdng \u0111\u1ed1i v\u1edbi s\u1ee9c kh\u1ecfe v\u00e0 s\u1ef1 ph\u00e1t tri\u1ec3n c\u1ee7a c\u00e2y tr\u1ed3ng. M\u00e1y \u0111o pH l\u00e0 c\u00f4ng c\u1ee5 c\u1ea7n thi\u1ebft \u0111\u1ec3 ng\u01b0\u1eddi l\u00e0m v\u01b0\u1eddn t\u1ea1i nh\u00e0 \u0111o ch\u00ednh x\u00e1c \u0111\u1ed9 axit ho\u1eb7c \u0111\u1ed9 ki\u1ec1m c\u1ee7a \u0111\u1ea5t. Nh\u1eefng m\u00e1y \u0111o n\u00e0y \u0111i k\u00e8m v\u1edbi m\u1ed9t \u0111\u1ea7u d\u00f2 \u0111\u01b0\u1ee3c \u0111\u01b0a v\u00e0o \u0111\u1ea5t \u0111\u1ec3 cung c\u1ea5p k\u1ebft qu\u1ea3 ngay l\u1eadp t\u1ee9c v\u1ec1 m\u1ee9c \u0111\u1ed9 pH. Trong b\u00e0i vi\u1ebft n\u00e0y, ch\u00fang ta s\u1ebd th\u1ea3o lu\u1eadn v\u1ec1 l\u1ee3i \u00edch c\u1ee7a vi\u1ec7c s\u1eed d\u1ee5ng m\u00e1y \u0111o \u0111\u1ed9 pH v\u00e0 \u0111\u1ea7u d\u00f2 \u0111\u1ec3 l\u00e0m v\u01b0\u1eddn t\u1ea1i nh\u00e0.<\/p>\n<p>M\u1ed9t trong nh\u1eefng \u01b0u \u0111i\u1ec3m ch\u00ednh c\u1ee7a vi\u1ec7c s\u1eed d\u1ee5ng m\u00e1y \u0111o \u0111\u1ed9 pH l\u00e0 n\u00f3 cho ph\u00e9p b\u1ea1n theo d\u00f5i \u0111\u1ed9 pH c\u1ee7a \u0111\u1ea5t th\u01b0\u1eddng xuy\u00ean. B\u1eb1ng c\u00e1ch theo d\u00f5i \u0111\u1ed9 pH, b\u1ea1n c\u00f3 th\u1ec3 \u0111i\u1ec1u ch\u1ec9nh \u0111\u1ec3 \u0111\u1ea3m b\u1ea3o r\u1eb1ng c\u00e2y tr\u1ed3ng c\u1ee7a b\u1ea1n \u0111ang nh\u1eadn \u0111\u01b0\u1ee3c c\u00e1c ch\u1ea5t dinh d\u01b0\u1ee1ng c\u1ea7n thi\u1ebft \u0111\u1ec3 ph\u00e1t tri\u1ec3n m\u1ea1nh. M\u00e1y \u0111o pH r\u1ea5t d\u1ec5 s\u1eed d\u1ee5ng v\u00e0 cung c\u1ea5p k\u1ebft qu\u1ea3 ch\u00ednh x\u00e1c, gi\u00fap ngay c\u1ea3 nh\u1eefng ng\u01b0\u1eddi m\u1edbi l\u00e0m v\u01b0\u1eddn c\u0169ng c\u00f3 th\u1ec3 d\u1ec5 d\u00e0ng duy tr\u00ec m\u1ee9c \u0111\u1ed9 pH th\u00edch h\u1ee3p trong \u0111\u1ea5t c\u1ee7a m\u00ecnh.<\/p>\n<p><img decoding=\"async\" src=\"http:\/\/shchimay.com\/wp-content\/uploads\/2023\/11\/CIT-8800-Inductive-Conductivity-Concentration-Online-Controller1.png\" alt=\"alt-882\" class=\"wp-image-882\" id=\"i882\" \/><\/p>\n<div class=\"entry-content-asset videofit\"><iframe loading=\"lazy\" title=\"Why are pressure sensors used? chimaytech.com\" width=\"720\" height=\"405\" src=\"https:\/\/www.youtube.com\/embed\/2b3HVNwTzCQ?feature=oembed\" frameborder=\"0\" allow=\"accelerometer; autoplay; clipboard-write; encrypted-media; gyroscope; picture-in-picture; web-share\" referrerpolicy=\"strict-origin-when-cross-origin\" allowfullscreen><\/iframe><\/div>\n<p>M\u1ed9t l\u1ee3i \u00edch kh\u00e1c c\u1ee7a vi\u1ec7c s\u1eed d\u1ee5ng m\u00e1y \u0111o pH l\u00e0 n\u00f3 gi\u00fap b\u1ea1n tr\u00e1nh b\u00f3n ph\u00e2n qu\u00e1 m\u1ee9c cho c\u00e2y. Khi \u0111\u1ed9 pH trong \u0111\u1ea5t qu\u00e1 cao ho\u1eb7c qu\u00e1 th\u1ea5p, n\u00f3 c\u00f3 th\u1ec3 ng\u0103n c\u1ea3n c\u00e2y tr\u1ed3ng h\u1ea5p th\u1ee5 c\u00e1c ch\u1ea5t dinh d\u01b0\u1ee1ng thi\u1ebft y\u1ebfu t\u1eeb \u0111\u1ea5t. B\u1eb1ng c\u00e1ch s\u1eed d\u1ee5ng m\u00e1y \u0111o \u0111\u1ed9 pH \u0111\u1ec3 theo d\u00f5i \u0111\u1ed9 axit ho\u1eb7c \u0111\u1ed9 ki\u1ec1m c\u1ee7a \u0111\u1ea5t, b\u1ea1n c\u00f3 th\u1ec3 \u0111i\u1ec1u ch\u1ec9nh th\u00f3i quen b\u00f3n ph\u00e2n \u0111\u1ec3 \u0111\u1ea3m b\u1ea3o c\u00e2y tr\u1ed3ng nh\u1eadn \u0111\u01b0\u1ee3c ch\u1ea5t dinh d\u01b0\u1ee1ng c\u1ea7n thi\u1ebft \u0111\u1ec3 ph\u00e1t tri\u1ec3n kh\u1ecfe m\u1ea1nh.<\/p>\n<p>M\u00e1y \u0111o \u0111\u1ed9 pH c\u0169ng h\u1eefu \u00edch trong vi\u1ec7c ch\u1ea9n \u0111o\u00e1n c\u00e1c v\u1ea5n \u0111\u1ec1 c\u1ee7a c\u00e2y tr\u1ed3ng. N\u1ebfu c\u00e2y c\u1ee7a b\u1ea1n kh\u00f4ng ph\u00e1t tri\u1ec3n t\u1ed1t nh\u01b0 b\u00ecnh th\u01b0\u1eddng, \u0111\u00f3 c\u00f3 th\u1ec3 l\u00e0 do \u0111\u1ed9 pH trong \u0111\u1ea5t m\u1ea5t c\u00e2n b\u1eb1ng. B\u1eb1ng c\u00e1ch s\u1eed d\u1ee5ng m\u00e1y \u0111o pH \u0111\u1ec3 ki\u1ec3m tra \u0111\u1ea5t, b\u1ea1n c\u00f3 th\u1ec3 nhanh ch\u00f3ng x\u00e1c \u0111\u1ecbnh m\u1ecdi v\u1ea5n \u0111\u1ec1 v\u00e0 th\u1ef1c hi\u1ec7n c\u00e1c b\u01b0\u1edbc \u0111\u1ec3 kh\u1eafc ph\u1ee5c ch\u00fang. \u0110i\u1ec1u n\u00e0y c\u00f3 th\u1ec3 gi\u00fap b\u1ea1n ti\u1ebft ki\u1ec7m th\u1eddi gian v\u00e0 ti\u1ec1n b\u1ea1c b\u1eb1ng c\u00e1ch ng\u0103n ch\u1eb7n c\u00e1c v\u1ea5n \u0111\u1ec1 c\u1ee7a c\u00e2y tr\u01b0\u1edbc khi ch\u00fang tr\u1edf n\u00ean nghi\u00eam tr\u1ecdng.<\/p>\n<p><img decoding=\"async\" src=\"https:\/\/shchimay.com\/wp-content\/uploads\/2024\/04\/Multiplex-display-display-window-with-free-configuration.jpg\" alt=\"alt-886\" class=\"wp-image-886\" id=\"i886\" \/><\/p>\n<p>Ngo\u00e0i vi\u1ec7c gi\u00fap b\u1ea1n duy tr\u00ec \u0111\u1ed9 pH th\u00edch h\u1ee3p trong \u0111\u1ea5t, m\u00e1y \u0111o \u0111\u1ed9 pH c\u00f2n c\u00f3 th\u1ec3 gi\u00fap b\u1ea1n ti\u1ebft ki\u1ec7m ti\u1ec1n v\u1ec1 l\u00e2u d\u00e0i. B\u1eb1ng c\u00e1ch \u0111o ch\u00ednh x\u00e1c \u0111\u1ed9 pH trong \u0111\u1ea5t, b\u1ea1n c\u00f3 th\u1ec3 tr\u00e1nh l\u00e3ng ph\u00ed ti\u1ec1n v\u00e0o c\u00e1c lo\u1ea1i ph\u00e2n b\u00f3n ho\u1eb7c ch\u1ea5t c\u1ea3i t\u1ea1o \u0111\u1ea5t kh\u00f4ng c\u1ea7n thi\u1ebft. Thay v\u00e0o \u0111\u00f3, b\u1ea1n c\u00f3 th\u1ec3 t\u1eadp trung v\u00e0o vi\u1ec7c cung c\u1ea5p cho c\u00e2y nh\u1eefng ch\u1ea5t dinh d\u01b0\u1ee1ng c\u1ea7n thi\u1ebft \u0111\u1ec3 ph\u00e1t tri\u1ec3n, gi\u00fap c\u00e2y kh\u1ecfe m\u1ea1nh v\u00e0 n\u0103ng su\u1ea5t cao h\u01a1n.<\/p>\n<p>S\u1eed d\u1ee5ng m\u00e1y \u0111o pH v\u00e0 \u0111\u1ea7u d\u00f2 \u0111\u1ec3 l\u00e0m v\u01b0\u1eddn t\u1ea1i nh\u00e0 l\u00e0 m\u1ed9t c\u00e1ch \u0111\u01a1n gi\u1ea3n v\u00e0 hi\u1ec7u qu\u1ea3 \u0111\u1ec3 \u0111\u1ea3m b\u1ea3o r\u1eb1ng c\u00e2y c\u1ee7a b\u1ea1n \u0111ang nh\u1eadn \u0111\u01b0\u1ee3c \u0111\u1ee7 ch\u1ea5t dinh d\u01b0\u1ee1ng ch\u1ea5t dinh d\u01b0\u1ee1ng ch\u00fang c\u1ea7n \u0111\u1ec3 ph\u00e1t tri\u1ec3n. B\u1eb1ng c\u00e1ch theo d\u00f5i \u0111\u1ed9 pH trong \u0111\u1ea5t th\u01b0\u1eddng xuy\u00ean, b\u1ea1n c\u00f3 th\u1ec3 tr\u00e1nh b\u00f3n ph\u00e2n qu\u00e1 m\u1ee9c cho c\u00e2y, ch\u1ea9n \u0111o\u00e1n c\u00e1c v\u1ea5n \u0111\u1ec1 c\u1ee7a c\u00e2y v\u00e0 ti\u1ebft ki\u1ec7m ti\u1ec1n cho c\u00e1c lo\u1ea1i ph\u00e2n b\u00f3n kh\u00f4ng c\u1ea7n thi\u1ebft. M\u00e1y \u0111o \u0111\u1ed9 pH l\u00e0 c\u00f4ng c\u1ee5 thi\u1ebft y\u1ebfu cho b\u1ea5t k\u1ef3 ng\u01b0\u1eddi l\u00e0m v\u01b0\u1eddn t\u1ea1i nh\u00e0 n\u00e0o mu\u1ed1n duy tr\u00ec m\u1ed9t khu v\u01b0\u1eddn kh\u1ecfe m\u1ea1nh v\u00e0 ph\u00e1t tri\u1ec3n m\u1ea1nh.<\/p>\n<figure class=\"wp-block-table\">\n<table>\n<tbody>\n<tr>\n<td>M\u00f4 h\u00ecnh<\/td>\n<td>B\u1ed9 \u0111i\u1ec1u khi\u1ec3n tr\u1ef1c tuy\u1ebfn \u0110\u1ed9 d\u1eabn \u0111i\u1ec7n\/\u0110i\u1ec7n tr\u1edf su\u1ea5t\/TDS d\u00f2ng CCT-5300E<\/td>\n<\/tr>\n<tr>\n<td>Kh\u00f4ng \u0111\u1ed5i<\/td>\n<td>0,01cm<sup>-1<\/sup>, 0,1cm<sup>-1<\/sup>, 1,0cm<sup>-1<\/sup>, 10,0cm<sup>-1<\/sup><\/td>\n<\/tr>\n<tr>\n<td>\u0110\u1ed9 d\u1eabn \u0111i\u1ec7n<\/td>\n<td>(0,5~20.000)uS\/cm,(0,5~2.000)uS\/cm, (0,5~200)uS\/cm, (0,05~18,25)MQ\u00b7cm<\/td>\n<\/tr>\n<tr>\n<td>TDS<\/td>\n<td>(0,25~10.000)ppm, (0,25~1.000)ppm, (0,25~100)ppm<\/td>\n<\/tr>\n<tr>\n<td>Nhi\u1ec7t \u0111\u1ed9 trung b\u00ecnh.<\/td>\n<td>(0~50)\u2103(Nhi\u1ec7t \u0111\u1ed9 b\u00f9: NTC10K)<\/td>\n<\/tr>\n<tr>\n<td>\u0110\u1ed9 ch\u00ednh x\u00e1c<\/td>\n<td>\u0110\u1ed9 d\u1eabn \u0111i\u1ec7n: 1,5% (FS), \u0110i\u1ec7n tr\u1edf su\u1ea5t:2,0% (FS), TDS: 1,5% (FS), Nhi\u1ec7t \u0111\u1ed9: +\/- 0,5\u2103<\/td>\n<\/tr>\n<tr>\n<td>Nhi\u1ec7t \u0111\u1ed9. b\u1ed3i th\u01b0\u1eddng<\/td>\n<td>(0-50)\u00b0C (v\u1edbi 25\u2103 l\u00e0 Ti\u00eau chu\u1ea9n)<\/td>\n<\/tr>\n<tr>\n<td>Chi\u1ec1u d\u00e0i c\u00e1p<\/td>\n<td>\u226420m(MAX)<\/td>\n<\/tr>\n<tr>\n<td>\u0111\u1ea7u ra mA<\/td>\n<td>C\u00e1ch ly, c\u00f3 th\u1ec3 v\u1eadn chuy\u1ec3n (4~20)mA, Thi\u1ebft b\u1ecb \/ M\u00e1y ph\u00e1t \u0111\u1ec3 l\u1ef1a ch\u1ecdn<\/td>\n<\/tr>\n<tr>\n<td>\u0110\u1ea7u Ra \u0110i\u1ec1u Khi\u1ec3n<\/td>\n<td>ti\u1ebfp \u0111i\u1ec3m r\u01a1le: B\u1eacT\/T\u1eaeT, C\u00f4ng su\u1ea5t t\u1ea3i: AC 230V\/5A(Max)<\/td>\n<\/tr>\n<tr>\n<td>M\u00f4i tr\u01b0\u1eddng l\u00e0m vi\u1ec7c<\/td>\n<td>Nhi\u1ec7t \u0111\u1ed9 (0~50)\u2103;\u0110\u1ed9 \u1ea9m t\u01b0\u01a1ng \u0111\u1ed1i \u226485 ph\u1ea7n tr\u0103m RH (kh\u00f4ng ng\u01b0ng t\u1ee5)<\/td>\n<\/tr>\n<tr>\n<td>M\u00f4i tr\u01b0\u1eddng l\u01b0u tr\u1eef<\/td>\n<td>Nhi\u1ec7t \u0111\u1ed9.(-20~60)\u2103;\u0110\u1ed9 \u1ea9m t\u01b0\u01a1ng \u0111\u1ed1i \u226485 ph\u1ea7n tr\u0103m RH (kh\u00f4ng ng\u01b0ng t\u1ee5)<\/td>\n<\/tr>\n<tr>\n<td>Ngu\u1ed3n \u0111i\u1ec7n<\/td>\n<td>CCT-5300E: DC 24V; CCT-5320E: AC 220V<\/td>\n<\/tr>\n<tr>\n<td>K\u00edch th\u01b0\u1edbc<\/td>\n<td>96mmx96mmx105mm(HxWxD)<\/td>\n<\/tr>\n<tr>\n<td>K\u00edch th\u01b0\u1edbc l\u1ed7<\/td>\n<td>91mmx91mm(CxR)<\/td>\n<\/tr>\n<tr>\n<td>C\u00e0i \u0111\u1eb7t<\/td>\n<td>G\u1eafn b\u1ea3ng \u0111i\u1ec1u khi\u1ec3n, l\u1eafp \u0111\u1eb7t nhanh<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/figure>\n<p>\nT\u00f3m l\u1ea1i, m\u00e1y \u0111o \u0111\u1ed9 pH v\u00e0 \u0111\u1ea7u d\u00f2 l\u00e0 nh\u1eefng c\u00f4ng c\u1ee5 qu\u00fd gi\u00e1 \u0111\u1ec3 ng\u01b0\u1eddi l\u00e0m v\u01b0\u1eddn t\u1ea1i nh\u00e0 theo d\u00f5i v\u00e0 duy tr\u00ec \u0111\u1ed9 pH trong \u0111\u1ea5t. B\u1eb1ng c\u00e1ch s\u1eed d\u1ee5ng m\u00e1y \u0111o pH, b\u1ea1n c\u00f3 th\u1ec3 \u0111\u1ea3m b\u1ea3o r\u1eb1ng c\u00e2y tr\u1ed3ng c\u1ee7a b\u1ea1n \u0111ang nh\u1eadn \u0111\u01b0\u1ee3c c\u00e1c ch\u1ea5t dinh d\u01b0\u1ee1ng c\u1ea7n thi\u1ebft \u0111\u1ec3 ph\u00e1t tri\u1ec3n kh\u1ecfe m\u1ea1nh. M\u00e1y \u0111o pH r\u1ea5t d\u1ec5 s\u1eed d\u1ee5ng, ch\u00ednh x\u00e1c v\u00e0 c\u00f3 th\u1ec3 gi\u00fap b\u1ea1n tr\u00e1nh b\u00f3n ph\u00e2n qu\u00e1 m\u1ee9c cho c\u00e2y. \u0110\u1ea7u t\u01b0 v\u00e0o m\u00e1y \u0111o \u0111\u1ed9 pH v\u00e0 \u0111\u1ea7u d\u00f2 cho khu v\u01b0\u1eddn nh\u00e0 b\u1ea1n l\u00e0 m\u1ed9t quy\u1ebft \u0111\u1ecbnh s\u00e1ng su\u1ed1t s\u1ebd mang l\u1ea1i l\u1ee3i \u00edch cho c\u00e2y tr\u1ed3ng v\u00e0 v\u00ed ti\u1ec1n c\u1ee7a b\u1ea1n v\u1ec1 l\u00e2u d\u00e0i.<\/p>\n<h1 id=\"how-to-properly-calibrate-and-maintain-your-ph-probe-for-accurate-readings-wpaicgheading\"><span class=\"ez-toc-section\" id=\"Cach_hieu_chinh_va_bao_quan_dau_do_pH_dung_cach_de_co_ket_qua_do_chinh_xac\"><\/span>C\u00e1ch hi\u1ec7u ch\u1ec9nh v\u00e0 b\u1ea3o qu\u1ea3n \u0111\u1ea7u d\u00f2 pH \u0111\u00fang c\u00e1ch \u0111\u1ec3 c\u00f3 k\u1ebft qu\u1ea3 \u0111o ch\u00ednh x\u00e1c<span class=\"ez-toc-section-end\"><\/span><\/h1>\n<p>\nM\u00e1y \u0111o pH v\u00e0 \u0111\u1ea7u d\u00f2 l\u00e0 nh\u1eefng c\u00f4ng c\u1ee5 c\u1ea7n thi\u1ebft cho b\u1ea5t k\u1ef3 ai l\u00e0m vi\u1ec7c trong ph\u00f2ng th\u00ed nghi\u1ec7m ho\u1eb7c th\u1ef1c hi\u1ec7n c\u00e1c th\u00ed nghi\u1ec7m y\u00eau c\u1ea7u \u0111o pH ch\u00ednh x\u00e1c. Nh\u1eefng thi\u1ebft b\u1ecb n\u00e0y \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng \u0111\u1ec3 \u0111o \u0111\u1ed9 axit ho\u1eb7c \u0111\u1ed9 ki\u1ec1m c\u1ee7a dung d\u1ecbch, \u0111i\u1ec1u n\u00e0y r\u1ea5t quan tr\u1ecdng \u0111\u1ed1i v\u1edbi nhi\u1ec1u \u1ee9ng d\u1ee5ng khoa h\u1ecdc. \u0110\u1ec3 \u0111\u1ea3m b\u1ea3o s\u1ed1 \u0111\u1ecdc ch\u00ednh x\u00e1c, \u0111i\u1ec1u quan tr\u1ecdng l\u00e0 ph\u1ea3i hi\u1ec7u ch\u1ec9nh v\u00e0 b\u1ea3o tr\u00ec \u0111\u00fang c\u00e1ch \u0111\u1ea7u d\u00f2 pH c\u1ee7a b\u1ea1n.<\/p>\n<p>Hi\u1ec7u ch\u1ec9nh \u0111\u1ea7u d\u00f2 pH l\u00e0 b\u01b0\u1edbc \u0111\u1ea7u ti\u00ean \u0111\u1ec3 \u0111\u1ea3m b\u1ea3o s\u1ed1 \u0111\u1ecdc ch\u00ednh x\u00e1c. Hi\u1ec7u chu\u1ea9n bao g\u1ed3m vi\u1ec7c \u0111i\u1ec1u ch\u1ec9nh \u0111\u1ea7u d\u00f2 \u0111\u1ec3 \u0111o ch\u00ednh x\u00e1c \u0111\u1ed9 pH c\u1ee7a dung d\u1ecbch. \u0110\u1ec3 hi\u1ec7u ch\u1ec9nh \u0111\u1ea7u d\u00f2 pH, b\u1ea1n s\u1ebd c\u1ea7n c\u00e1c dung d\u1ecbch hi\u1ec7u chu\u1ea9n c\u00f3 gi\u00e1 tr\u1ecb pH \u0111\u00e3 bi\u1ebft. B\u1ea1n n\u00ean s\u1eed d\u1ee5ng \u00edt nh\u1ea5t hai dung d\u1ecbch hi\u1ec7u chu\u1ea9n, m\u1ed9t dung d\u1ecbch c\u00f3 gi\u00e1 tr\u1ecb pH g\u1ea7n v\u1edbi \u0111\u1ed9 pH d\u1ef1 ki\u1ebfn \u200b\u200bc\u1ee7a m\u1eabu v\u00e0 dung d\u1ecbch kia c\u00f3 gi\u00e1 tr\u1ecb pH \u1edf \u0111\u1ea7u \u0111\u1ed1i di\u1ec7n c\u1ee7a thang \u0111o.<\/p>\n<figure class=\"wp-block-table\">\n<table>\n<tbody>\n<tr>\n<td>M\u00f4 h\u00ecnh<\/td>\n<td>M\u00e1y \u0111o pH\/ORP tr\u1ef1c tuy\u1ebfn pH\/ORP-8500A<\/td>\n<\/tr>\n<tr>\n<td>Ph\u1ea1m vi<\/td>\n<td>pH:0,00~14,00 ; ORP:(-1999~+1999)mV; Nhi\u1ec7t \u0111\u1ed9.:(0,0~100,0)\u00b0C (Nhi\u1ec7t \u0111\u1ed9 b\u00f9: NTC10K)<\/td>\n<\/tr>\n<tr>\n<td>\u0110\u1ed9 ph\u00e2n gi\u1ea3i<\/td>\n<td>pH:0,01 ; ORP: 1mV; Nhi\u1ec7t \u0111\u1ed9.:0,1\u00b0C<\/td>\n<\/tr>\n<tr>\n<td>\u0110\u1ed9 ch\u00ednh x\u00e1c<\/td>\n<td>pH:+\/-0,1 ; ORP: +\/- 5mV (\u0111\u01a1n v\u1ecb \u0111i\u1ec7n t\u1eed); Nhi\u1ec7t \u0111\u1ed9.: +\/- 0,5\u00b0C<\/td>\n<\/tr>\n<tr>\n<td>Nhi\u1ec7t \u0111\u1ed9. b\u1ed3i th\u01b0\u1eddng<\/td>\n<td>B\u00f9 nhi\u1ec7t \u0111\u1ed9 NTC10K<\/td>\n<\/tr>\n<tr>\n<td>Nhi\u1ec7t \u0111\u1ed9 trung b\u00ecnh.<\/td>\n<td>(0~80)\u00b0C<\/td>\n<\/tr>\n<tr>\n<td>\u0110\u1ea7u ra t\u01b0\u01a1ng t\u1ef1<\/td>\n<td>K\u00eanh \u0111\u00f4i b\u1ecb c\u00f4 l\u1eadp; c\u00f3 th\u1ec3 v\u1eadn chuy\u1ec3n (4~20)mA, ch\u1ebf \u0111\u1ed9 d\u1ee5ng c\u1ee5\/m\u00e1y ph\u00e1t<\/td>\n<\/tr>\n<tr>\n<td>\u0110\u1ea7u Ra \u0110i\u1ec1u Khi\u1ec3n<\/td>\n<td>C\u00f4ng t\u1eafc quang \u0111i\u1ec7n b\u00e1n d\u1eabn ba k\u00eanh, d\u00f2ng t\u1ea3i: AC\/DC 30V, 50mA(max)<\/td>\n<\/tr>\n<tr>\n<td>C\u1ed5ng giao ti\u1ebfp<\/td>\n<td>RS485,giao th\u1ee9c Modbus RTU<\/td>\n<\/tr>\n<tr>\n<td>M\u00f4i tr\u01b0\u1eddng l\u00e0m vi\u1ec7c<\/td>\n<td>Nhi\u1ec7t \u0111\u1ed9.(0~80)\u2103; \u0111\u1ed9 \u1ea9m t\u01b0\u01a1ng \u0111\u1ed1i v\u00e0 lt;95% RH (kh\u00f4ng ng\u01b0ng t\u1ee5)<\/td>\n<\/tr>\n<tr>\n<td>M\u00f4i tr\u01b0\u1eddng l\u01b0u tr\u1eef<\/td>\n<td>Nhi\u1ec7t \u0111\u1ed9.(-20~60)\u2103;\u0110\u1ed9 \u1ea9m t\u01b0\u01a1ng \u0111\u1ed1i \u226485 ph\u1ea7n tr\u0103m RH (kh\u00f4ng ng\u01b0ng t\u1ee5)<\/td>\n<\/tr>\n<tr>\n<td>Ngu\u1ed3n \u0111i\u1ec7n<\/td>\n<td>DC 24V<\/td>\n<\/tr>\n<tr>\n<td>Ti\u00eau th\u1ee5 \u0111i\u1ec7n n\u0103ng<\/td>\n<td> v\u00e0 lt;3W<\/td>\n<\/tr>\n<tr>\n<td>M\u1ee9c \u0111\u1ed9 b\u1ea3o v\u1ec7<\/td>\n<td>IP65 (c\u00f3 n\u1eafp l\u01b0ng)<\/td>\n<\/tr>\n<tr>\n<td>K\u00edch th\u01b0\u1edbc<\/td>\n<td>96mmx96mmx94mm(CxRxD)<\/td>\n<\/tr>\n<tr>\n<td>K\u00edch th\u01b0\u1edbc l\u1ed7<\/td>\n<td>91mmx91mm(CxR)<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/figure>\n<p>\u0110\u1ec3 hi\u1ec7u ch\u1ec9nh \u0111\u1ea7u d\u00f2 pH, h\u00e3y b\u1eaft \u0111\u1ea7u b\u1eb1ng c\u00e1ch r\u1eeda \u0111\u1ea7u d\u00f2 b\u1eb1ng n\u01b0\u1edbc c\u1ea5t \u0111\u1ec3 lo\u1ea1i b\u1ecf c\u1eb7n. Sau \u0111\u00f3, nh\u00fang \u0111\u1ea7u d\u00f2 v\u00e0o dung d\u1ecbch hi\u1ec7u chu\u1ea9n \u0111\u1ea7u ti\u00ean v\u00e0 \u0111\u1ec3 \u1ed5n \u0111\u1ecbnh. \u0110i\u1ec1u ch\u1ec9nh c\u00e0i \u0111\u1eb7t hi\u1ec7u chu\u1ea9n tr\u00ean m\u00e1y \u0111o pH c\u1ee7a b\u1ea1n cho \u0111\u1ebfn khi s\u1ed1 \u0111\u1ecdc kh\u1edbp v\u1edbi gi\u00e1 tr\u1ecb pH \u0111\u00e3 bi\u1ebft c\u1ee7a dung d\u1ecbch hi\u1ec7u chu\u1ea9n. L\u1eb7p l\u1ea1i quy tr\u00ecnh n\u00e0y v\u1edbi dung d\u1ecbch hi\u1ec7u chu\u1ea9n th\u1ee9 hai \u0111\u1ec3 \u0111\u1ea3m b\u1ea3o \u0111\u1ed9 ch\u00ednh x\u00e1c tr\u00ean to\u00e0n b\u1ed9 thang \u0111o pH.<\/p>\n<p>Sau khi hi\u1ec7u ch\u1ec9nh \u0111\u1ea7u d\u00f2 pH, \u0111i\u1ec1u quan tr\u1ecdng l\u00e0 ph\u1ea3i b\u1ea3o qu\u1ea3n n\u00f3 \u0111\u00fang c\u00e1ch \u0111\u1ec3 \u0111\u1ea3m b\u1ea3o k\u1ebft qu\u1ea3 \u0111\u1ecdc ch\u00ednh x\u00e1c v\u00e0 \u0111\u00e1ng tin c\u1eady. B\u1ea3o tr\u00ec th\u01b0\u1eddng xuy\u00ean bao g\u1ed3m l\u00e0m s\u1ea1ch \u0111\u1ea7u d\u00f2 sau m\u1ed7i l\u1ea7n s\u1eed d\u1ee5ng \u0111\u1ec3 lo\u1ea1i b\u1ecf c\u1eb7n ho\u1eb7c ch\u1ea5t g\u00e2y \u00f4 nhi\u1ec5m c\u00f3 th\u1ec3 \u1ea3nh h\u01b0\u1edfng \u0111\u1ebfn hi\u1ec7u su\u1ea5t c\u1ee7a \u0111\u1ea7u d\u00f2. S\u1eed d\u1ee5ng b\u00e0n ch\u1ea3i ho\u1eb7c v\u1ea3i m\u1ec1m \u0111\u1ec3 nh\u1eb9 nh\u00e0ng l\u00e0m s\u1ea1ch \u0111\u1ea7u d\u00f2 v\u00e0 r\u1eeda s\u1ea1ch b\u1eb1ng n\u01b0\u1edbc c\u1ea5t.<\/p>\n<p>Ngo\u00e0i vi\u1ec7c v\u1ec7 sinh, \u0111i\u1ec1u quan tr\u1ecdng l\u00e0 ph\u1ea3i b\u1ea3o qu\u1ea3n \u0111\u1ea7u d\u00f2 pH \u0111\u00fang c\u00e1ch khi kh\u00f4ng s\u1eed d\u1ee5ng. B\u1ea3o qu\u1ea3n \u0111\u1ea7u d\u00f2 trong dung d\u1ecbch b\u1ea3o qu\u1ea3n ho\u1eb7c dung d\u1ecbch \u0111\u1ec7m pH \u0111\u1ec3 gi\u1eef \u1ea9m v\u00e0 tr\u00e1nh b\u1ecb kh\u00f4. Tr\u00e1nh b\u1ea3o qu\u1ea3n \u0111\u1ea7u d\u00f2 trong n\u01b0\u1edbc c\u1ea5t ho\u1eb7c n\u01b0\u1edbc kh\u1eed ion, v\u00ec \u0111i\u1ec1u n\u00e0y c\u00f3 th\u1ec3 khi\u1ebfn \u0111\u1ea7u d\u00f2 b\u1ecb m\u1ea5t n\u01b0\u1edbc v\u00e0 \u1ea3nh h\u01b0\u1edfng \u0111\u1ebfn hi\u1ec7u su\u1ea5t c\u1ee7a n\u00f3.<\/p>\n<div class=\"entry-content-asset videofit\"><iframe loading=\"lazy\" title=\"Conductivity TDS Resistivity Temp  Configuration transmitting controller CCT 8301A Series\" width=\"720\" height=\"405\" src=\"https:\/\/www.youtube.com\/embed\/PVARt0M4T1c?feature=oembed\" frameborder=\"0\" allow=\"accelerometer; autoplay; clipboard-write; encrypted-media; gyroscope; picture-in-picture; web-share\" referrerpolicy=\"strict-origin-when-cross-origin\" allowfullscreen><\/iframe><\/div>\n<p>\nTh\u01b0\u1eddng xuy\u00ean ki\u1ec3m tra \u0111\u1ea7u d\u00f2 pH \u0111\u1ec3 ph\u00e1t hi\u1ec7n c\u00e1c d\u1ea5u hi\u1ec7u h\u01b0 h\u1ecfng ho\u1eb7c m\u00e0i m\u00f2n c\u0169ng r\u1ea5t quan tr\u1ecdng \u0111\u1ec3 duy tr\u00ec \u0111\u1ed9 ch\u00ednh x\u00e1c. Ki\u1ec3m tra xem c\u00f3 v\u1ebft n\u1ee9t, s\u1ee9t m\u1ebb ho\u1eb7c h\u01b0 h\u1ecfng n\u00e0o kh\u00e1c \u0111\u1ed1i v\u1edbi \u0111\u1ea7u d\u00f2 c\u00f3 th\u1ec3 \u1ea3nh h\u01b0\u1edfng \u0111\u1ebfn hi\u1ec7u su\u1ea5t c\u1ee7a \u0111\u1ea7u d\u00f2 hay kh\u00f4ng. N\u1ebfu b\u1ea1n nh\u1eadn th\u1ea5y b\u1ea5t k\u1ef3 h\u01b0 h\u1ecfng n\u00e0o, h\u00e3y thay th\u1ebf \u0111\u1ea7u d\u00f2 ngay l\u1eadp t\u1ee9c \u0111\u1ec3 \u0111\u1ea3m b\u1ea3o k\u1ebft qu\u1ea3 \u0111\u1ecdc ch\u00ednh x\u00e1c.<\/p>\n<p>T\u00f3m l\u1ea1i, vi\u1ec7c hi\u1ec7u chu\u1ea9n v\u00e0 b\u1ea3o tr\u00ec \u0111\u1ea7u d\u00f2 pH \u0111\u00fang c\u00e1ch l\u00e0 \u0111i\u1ec1u c\u1ea7n thi\u1ebft \u0111\u1ec3 \u0111o pH ch\u00ednh x\u00e1c. B\u1eb1ng c\u00e1ch l\u00e0m theo c\u00e1c b\u01b0\u1edbc n\u00e0y, b\u1ea1n c\u00f3 th\u1ec3 \u0111\u1ea3m b\u1ea3o r\u1eb1ng \u0111\u1ea7u d\u00f2 pH cung c\u1ea5p k\u1ebft qu\u1ea3 \u0111\u00e1ng tin c\u1eady v\u00e0 nh\u1ea5t qu\u00e1n cho c\u00e1c th\u00ed nghi\u1ec7m v\u00e0 nghi\u00ean c\u1ee9u c\u1ee7a b\u1ea1n. H\u00e3y nh\u1edb hi\u1ec7u ch\u1ec9nh \u0111\u1ea7u d\u00f2 c\u1ee7a b\u1ea1n th\u01b0\u1eddng xuy\u00ean, l\u00e0m s\u1ea1ch n\u00f3 sau m\u1ed7i l\u1ea7n s\u1eed d\u1ee5ng, b\u1ea3o qu\u1ea3n \u0111\u00fang c\u00e1ch v\u00e0 ki\u1ec3m tra xem c\u00f3 h\u01b0 h\u1ecfng hay kh\u00f4ng \u0111\u1ec3 duy tr\u00ec \u0111\u1ed9 ch\u00ednh x\u00e1c v\u00e0 \u0111\u1ed9 tin c\u1eady. V\u1edbi s\u1ef1 ch\u0103m s\u00f3c v\u00e0 b\u1ea3o tr\u00ec th\u00edch h\u1ee3p, \u0111\u1ea7u d\u00f2 pH c\u1ee7a b\u1ea1n s\u1ebd ti\u1ebfp t\u1ee5c cung c\u1ea5p k\u1ebft qu\u1ea3 ch\u00ednh x\u00e1c trong nhi\u1ec1u n\u0103m t\u1edbi.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>L\u1ee3i \u00edch c\u1ee7a vi\u1ec7c s\u1eed d\u1ee5ng m\u00e1y \u0111o pH \u0111\u1ec3 l\u00e0m v\u01b0\u1eddn t\u1ea1i nh\u00e0 Duy tr\u00ec \u0111\u1ed9 pH th\u00edch h\u1ee3p trong \u0111\u1ea5t l\u00e0 r\u1ea5t quan tr\u1ecdng \u0111\u1ed1i v\u1edbi s\u1ee9c kh\u1ecfe v\u00e0 s\u1ef1 ph\u00e1t tri\u1ec3n c\u1ee7a c\u00e2y tr\u1ed3ng. M\u00e1y \u0111o pH l\u00e0 c\u00f4ng c\u1ee5 c\u1ea7n thi\u1ebft \u0111\u1ec3 ng\u01b0\u1eddi l\u00e0m v\u01b0\u1eddn t\u1ea1i nh\u00e0 \u0111o ch\u00ednh x\u00e1c \u0111\u1ed9&#8230;<\/p>\n","protected":false},"author":1,"featured_media":3147,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_kad_post_transparent":"","_kad_post_title":"","_kad_post_layout":"","_kad_post_sidebar_id":"","_kad_post_content_style":"","_kad_post_vertical_padding":"","_kad_post_feature":"","_kad_post_feature_position":"","_kad_post_header":false,"_kad_post_footer":false},"categories":[200],"tags":[],"translation":{"provider":"WPGlobus","version":"2.12.0","language":"vi","enabled_languages":["en","zh","es","de","fr","ru","pt","ar","ja","ko","it","id","hi","th","vi","tr"],"languages":{"en":{"title":true,"content":true,"excerpt":false},"zh":{"title":true,"content":true,"excerpt":false},"es":{"title":true,"content":true,"excerpt":false},"de":{"title":true,"content":true,"excerpt":false},"fr":{"title":true,"content":true,"excerpt":false},"ru":{"title":false,"content":false,"excerpt":false},"pt":{"title":true,"content":true,"excerpt":false},"ar":{"title":false,"content":false,"excerpt":false},"ja":{"title":true,"content":true,"excerpt":false},"ko":{"title":true,"content":true,"excerpt":false},"it":{"title":true,"content":true,"excerpt":false},"id":{"title":false,"content":false,"excerpt":false},"hi":{"title":true,"content":true,"excerpt":false},"th":{"title":true,"content":true,"excerpt":false},"vi":{"title":true,"content":true,"excerpt":false},"tr":{"title":true,"content":true,"excerpt":false}}},"_links":{"self":[{"href":"https:\/\/shchimay.com\/vi\/wp-json\/wp\/v2\/posts\/13301"}],"collection":[{"href":"https:\/\/shchimay.com\/vi\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/shchimay.com\/vi\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/shchimay.com\/vi\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/shchimay.com\/vi\/wp-json\/wp\/v2\/comments?post=13301"}],"version-history":[{"count":14,"href":"https:\/\/shchimay.com\/vi\/wp-json\/wp\/v2\/posts\/13301\/revisions"}],"predecessor-version":[{"id":13586,"href":"https:\/\/shchimay.com\/vi\/wp-json\/wp\/v2\/posts\/13301\/revisions\/13586"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/shchimay.com\/vi\/wp-json\/wp\/v2\/media\/3147"}],"wp:attachment":[{"href":"https:\/\/shchimay.com\/vi\/wp-json\/wp\/v2\/media?parent=13301"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/shchimay.com\/vi\/wp-json\/wp\/v2\/categories?post=13301"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/shchimay.com\/vi\/wp-json\/wp\/v2\/tags?post=13301"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}