{"id":11692,"date":"2024-04-18T11:54:26","date_gmt":"2024-04-18T03:54:26","guid":{"rendered":"https:\/\/shchimay.com\/?p=11692"},"modified":"2024-04-20T11:55:27","modified_gmt":"2024-04-20T03:55:27","slug":"ph-meter-dfrobot","status":"publish","type":"post","link":"https:\/\/shchimay.com\/vi\/ph-meter-dfrobot\/","title":{"rendered":"ph m\u00e9t dfrobot"},"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-dfrobot\/#Loi_ich_cua_viec_su_dung_may_do_pH_DFRobot_de_lam_vuon_thuy_canh\" title=\"L\u1ee3i \u00edch c\u1ee7a vi\u1ec7c s\u1eed d\u1ee5ng m\u00e1y \u0111o pH DFRobot \u0111\u1ec3 l\u00e0m v\u01b0\u1eddn th\u1ee7y canh\">L\u1ee3i \u00edch c\u1ee7a vi\u1ec7c s\u1eed d\u1ee5ng m\u00e1y \u0111o pH DFRobot \u0111\u1ec3 l\u00e0m v\u01b0\u1eddn th\u1ee7y canh<\/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-dfrobot\/#Cach_hieu_chinh_va_bao_tri_may_do_pH_DFRobot_cua_ban_de_co_ket_qua_chinh_xac\" title=\"C\u00e1ch hi\u1ec7u ch\u1ec9nh v\u00e0 b\u1ea3o tr\u00ec m\u00e1y \u0111o pH DFRobot c\u1ee7a b\u1ea1n \u0111\u1ec3 c\u00f3 k\u1ebft qu\u1ea3 ch\u00ednh x\u00e1c\">C\u00e1ch hi\u1ec7u ch\u1ec9nh v\u00e0 b\u1ea3o tr\u00ec m\u00e1y \u0111o pH DFRobot c\u1ee7a b\u1ea1n \u0111\u1ec3 c\u00f3 k\u1ebft qu\u1ea3 ch\u00ednh x\u00e1c<\/a><\/li><\/ul><\/nav><\/div>\n<h1 id=\"benefits-of-using-a-ph-meter-dfrobot-for-hydroponic-gardening-wpaicgheading\"><span class=\"ez-toc-section\" id=\"Loi_ich_cua_viec_su_dung_may_do_pH_DFRobot_de_lam_vuon_thuy_canh\"><\/span>L\u1ee3i \u00edch c\u1ee7a vi\u1ec7c s\u1eed d\u1ee5ng m\u00e1y \u0111o pH DFRobot \u0111\u1ec3 l\u00e0m v\u01b0\u1eddn th\u1ee7y canh<span class=\"ez-toc-section-end\"><\/span><\/h1>\n<p>\nL\u00e0m v\u01b0\u1eddn th\u1ee7y canh l\u00e0 ph\u01b0\u01a1ng ph\u00e1p tr\u1ed3ng c\u00e2y kh\u00f4ng c\u1ea7n \u0111\u1ea5t m\u00e0 thay v\u00e0o \u0111\u00f3 l\u00e0 s\u1eed d\u1ee5ng n\u01b0\u1edbc gi\u00e0u dinh d\u01b0\u1ee1ng. C\u00e1ch ti\u1ebfp c\u1eadn s\u00e1ng t\u1ea1o n\u00e0y \u0111\u1ec3 l\u00e0m v\u01b0\u1eddn \u0111\u00e3 tr\u1edf n\u00ean ph\u1ed5 bi\u1ebfn trong nh\u1eefng n\u0103m g\u1ea7n \u0111\u00e2y nh\u1edd t\u00ednh hi\u1ec7u qu\u1ea3 v\u00e0 kh\u1ea3 n\u0103ng t\u1ea1o ra n\u0103ng su\u1ea5t cao trong m\u1ed9t kh\u00f4ng gian nh\u1ecf. M\u1ed9t c\u00f4ng c\u1ee5 thi\u1ebft y\u1ebfu \u0111\u1ec3 l\u00e0m v\u01b0\u1eddn th\u1ee7y canh th\u00e0nh c\u00f4ng l\u00e0 m\u00e1y \u0111o pH, ch\u1eb3ng h\u1ea1n nh\u01b0 M\u00e1y \u0111o pH DFRobot. Thi\u1ebft b\u1ecb n\u00e0y \u0111\u01b0\u1ee3c thi\u1ebft k\u1ebf \u0111\u1ec3 \u0111o \u0111\u1ed9 axit ho\u1eb7c \u0111\u1ed9 ki\u1ec1m c\u1ee7a dung d\u1ecbch dinh d\u01b0\u1ee1ng, \u0111\u1ea3m b\u1ea3o c\u00e2y nh\u1eadn \u0111\u01b0\u1ee3c s\u1ef1 c\u00e2n b\u1eb1ng dinh d\u01b0\u1ee1ng th\u00edch h\u1ee3p \u0111\u1ec3 t\u0103ng tr\u01b0\u1edfng t\u1ed1i \u01b0u.<\/p>\n<p>M\u1ed9t trong nh\u1eefng l\u1ee3i \u00edch ch\u00ednh c\u1ee7a vi\u1ec7c s\u1eed d\u1ee5ng m\u00e1y \u0111o pH DFRobot \u0111\u1ec3 l\u00e0m v\u01b0\u1eddn th\u1ee7y canh l\u00e0 \u0111\u1ed9 ch\u00ednh x\u00e1c c\u1ee7a n\u00f3. Duy tr\u00ec m\u1ee9c \u0111\u1ed9 pH ch\u00ednh x\u00e1c 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 trong h\u1ec7 th\u1ed1ng th\u1ee7y canh. N\u1ebfu \u0111\u1ed9 pH qu\u00e1 cao ho\u1eb7c qu\u00e1 th\u1ea5p, c\u00e2y c\u00f3 th\u1ec3 kh\u00f4ng h\u1ea5p th\u1ee5 \u0111\u01b0\u1ee3c c\u00e1c ch\u1ea5t dinh d\u01b0\u1ee1ng thi\u1ebft y\u1ebfu, d\u1eabn \u0111\u1ebfn sinh tr\u01b0\u1edfng ch\u1eadm l\u1ea1i ho\u1eb7c th\u1eadm ch\u00ed ch\u1ebft. M\u00e1y \u0111o pH DFRobot cung c\u1ea5p c\u00e1c ph\u00e9p \u0111o ch\u00ednh x\u00e1c, cho ph\u00e9p ng\u01b0\u1eddi l\u00e0m v\u01b0\u1eddn th\u1ef1c hi\u1ec7n nh\u1eefng \u0111i\u1ec1u ch\u1ec9nh c\u1ea7n thi\u1ebft \u0111\u1ed1i v\u1edbi dung d\u1ecbch dinh d\u01b0\u1ee1ng m\u1ed9t c\u00e1ch nhanh ch\u00f3ng v\u00e0 hi\u1ec7u qu\u1ea3.<\/p>\n<p><img decoding=\"async\" src=\"https:\/\/shchimay.com\/wp-content\/uploads\/2024\/04\/PH-ORP-6900-PH-orp-controller.jpg\" alt=\"alt-102\" class=\"wp-image-102\" id=\"i102\" \/><\/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 \u0111\u1ed9 d\u1eabn \u0111i\u1ec7n th\u00f4ng minh EC-510<\/td>\n<\/tr>\n<tr>\n<td rowspan=\"2\">Ph\u1ea1m vi<\/td>\n<td>0-200\/2000\/4000\/10000uS\/cm<\/td>\n<\/tr>\n<tr>\n<td>0-18,25M\u03a9<\/td>\n<\/tr>\n<tr>\n<td>\u0110\u1ed9 ch\u00ednh x\u00e1c<\/td>\n<td>1,5 ph\u1ea7n tr\u0103m (FS)<\/td>\n<\/tr>\n<tr>\n<td>Nhi\u1ec7t \u0111\u1ed9. Comp.<\/td>\n<td>B\u00f9 nhi\u1ec7t \u0111\u1ed9 t\u1ef1 \u0111\u1ed9ng<\/td>\n<\/tr>\n<tr>\n<td>Ho\u1ea1t \u0111\u1ed9ng. Nhi\u1ec7t \u0111\u1ed9<\/td>\n<td>B\u00ecnh th\u01b0\u1eddng 0\uff5e50\u2103; Nhi\u1ec7t \u0111\u1ed9 cao 0\uff5e120\u2103<\/td>\n<\/tr>\n<tr>\n<td>C\u1ea3m bi\u1ebfn<\/td>\n<td>C=0,01\/0,02\/0,1\/1,0\/10,0cm<sup>-1<\/sup><\/td>\n<\/tr>\n<tr>\n<td>Hi\u1ec3n th\u1ecb<\/td>\n<td>M\u00e0n H\u00ecnh LCD<\/td>\n<\/tr>\n<tr>\n<td>Giao ti\u1ebfp<\/td>\n<td>\u0110\u1ea7u ra 4-20mA\/2-10V\/1-5V\/RS485<\/td>\n<\/tr>\n<tr>\n<td>\u0110\u1ea7u ra<\/td>\n<td>\u0110i\u1ec1u khi\u1ec3n r\u01a1le k\u00e9p gi\u1edbi h\u1ea1n Cao\/Th\u1ea5p<\/td>\n<\/tr>\n<tr>\n<td>S\u1ee9c m\u1ea1nh<\/td>\n<td>AC 220V\u00b110 ph\u1ea7n tr\u0103m 50\/60Hz ho\u1eb7c AC 110V\u00b110 ph\u1ea7n tr\u0103m 50\/60Hz ho\u1eb7c DC24V\/0,5A<\/td>\n<\/tr>\n<tr>\n<td rowspan=\"2\">M\u00f4i tr\u01b0\u1eddng l\u00e0m vi\u1ec7c<\/td>\n<td>Nhi\u1ec7t \u0111\u1ed9 m\u00f4i tr\u01b0\u1eddng:0\uff5e50\u2103<\/td>\n<\/tr>\n<tr>\n<td>\u0110\u1ed9 \u1ea9m t\u01b0\u01a1ng \u0111\u1ed1i\u226485 ph\u1ea7n tr\u0103m<\/td>\n<\/tr>\n<tr>\n<td>K\u00edch th\u01b0\u1edbc<\/td>\n<td>48\u00d796\u00d7100mm(H\u00d7W\u00d7L)<\/td>\n<\/tr>\n<tr>\n<td>K\u00edch th\u01b0\u1edbc l\u1ed7<\/td>\n<td>45\u00d792mm(H\u00d7W)<\/td>\n<\/tr>\n<tr>\n<td>Ch\u1ebf \u0110\u1ed9 C\u00e0i \u0110\u1eb7t<\/td>\n<td>\u0110\u00e3 nh\u00fang<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/figure>\n<p>Ngo\u00e0i \u0111\u1ed9 ch\u00ednh x\u00e1c, m\u00e1y \u0111o pH DFRobot c\u00f2n r\u1ea5t d\u1ec5 s\u1eed d\u1ee5ng. Thi\u1ebft b\u1ecb n\u00e0y nh\u1ecf g\u1ecdn v\u00e0 di \u0111\u1ed9ng, gi\u00fap ng\u01b0\u1eddi l\u00e0m v\u01b0\u1eddn thu\u1eadn ti\u1ec7n mang theo thi\u1ebft b\u1ecb th\u1ee7y canh c\u1ee7a m\u00ecnh. M\u00e0n h\u00ecnh k\u1ef9 thu\u1eadt s\u1ed1 cung c\u1ea5p k\u1ebft qu\u1ea3 r\u00f5 r\u00e0ng, lo\u1ea1i b\u1ecf ph\u1ecfng \u0111o\u00e1n li\u00ean quan \u0111\u1ebfn c\u00e1c ph\u01b0\u01a1ng ph\u00e1p ki\u1ec3m tra pH truy\u1ec1n th\u1ed1ng. Ch\u1ec9 v\u1edbi m\u1ed9t v\u00e0i b\u01b0\u1edbc \u0111\u01a1n gi\u1ea3n, ng\u01b0\u1eddi l\u00e0m v\u01b0\u1eddn c\u00f3 th\u1ec3 c\u00f3 \u0111\u01b0\u1ee3c s\u1ed1 \u0111o pH ch\u00ednh x\u00e1c v\u00e0 \u0111\u01b0a ra quy\u1ebft \u0111\u1ecbnh s\u00e1ng su\u1ed1t v\u1ec1 vi\u1ec7c \u0111i\u1ec1u ch\u1ec9nh dung d\u1ecbch dinh d\u01b0\u1ee1ng.<\/p>\n<p>M\u1ed9t \u01b0u \u0111i\u1ec3m kh\u00e1c c\u1ee7a vi\u1ec7c s\u1eed d\u1ee5ng m\u00e1y \u0111o pH DFRobot l\u00e0 \u0111\u1ed9 b\u1ec1n c\u1ee7a n\u00f3. Thi\u1ebft b\u1ecb n\u00e0y \u0111\u01b0\u1ee3c l\u00e0m b\u1eb1ng v\u1eadt li\u1ec7u ch\u1ea5t l\u01b0\u1ee3ng cao \u0111\u01b0\u1ee3c thi\u1ebft k\u1ebf \u0111\u1ec3 ch\u1ecbu \u0111\u01b0\u1ee3c c\u00e1c \u0111i\u1ec1u ki\u1ec7n kh\u1eafc nghi\u1ec7t c\u1ee7a m\u00f4i tr\u01b0\u1eddng th\u1ee7y canh. Cho d\u00f9 \u0111\u00f3 l\u00e0 ti\u1ebfp x\u00fac v\u1edbi \u0111\u1ed9 \u1ea9m, dung d\u1ecbch dinh d\u01b0\u1ee1ng hay s\u1ef1 dao \u0111\u1ed9ng v\u1ec1 nhi\u1ec7t \u0111\u1ed9, m\u00e1y \u0111o pH DFRobot \u0111\u01b0\u1ee3c ch\u1ebf t\u1ea1o \u0111\u1ec3 t\u1ed3n t\u1ea1i l\u00e2u d\u00e0i. \u0110\u1ed9 b\u1ec1n n\u00e0y \u0111\u1ea3m b\u1ea3o r\u1eb1ng ng\u01b0\u1eddi l\u00e0m v\u01b0\u1eddn c\u00f3 th\u1ec3 tin t\u01b0\u1edfng v\u00e0o thi\u1ebft b\u1ecb n\u00e0y \u0111\u1ec3 \u0111o \u0111\u1ed9 pH ch\u00ednh x\u00e1c trong th\u1eddi gian d\u00e0i m\u00e0 kh\u00f4ng c\u1ea7n ph\u1ea3i thay th\u1ebf th\u01b0\u1eddng xuy\u00ean.<br \/>\n<div style=\"width: 640px;\" class=\"wp-video\"><!--[if lt IE 9]><script>document.createElement('video');<\/script><![endif]-->\n<video class=\"wp-video-shortcode\" id=\"video-11692-1\" width=\"640\" height=\"360\" preload=\"metadata\" controls=\"controls\"><source type=\"video\/mp4\" src=\"http:\/\/shchimay.com\/wp-content\/uploads\/2023\/11\/ROC-8221-Factory-supply-Single-Stage-Double-Channels-RO-Controller.mp4?_=1\" \/><a href=\"http:\/\/shchimay.com\/wp-content\/uploads\/2023\/11\/ROC-8221-Factory-supply-Single-Stage-Double-Channels-RO-Controller.mp4\">http:\/\/shchimay.com\/wp-content\/uploads\/2023\/11\/ROC-8221-Factory-supply-Single-Stage-Double-Channels-RO-Controller.mp4<\/a><\/video><\/div><br \/>\nH\u01a1n n\u1eefa, m\u00e1y \u0111o pH DFRobot l\u00e0 gi\u1ea3i ph\u00e1p ti\u1ebft ki\u1ec7m chi ph\u00ed cho nh\u1eefng ng\u01b0\u1eddi l\u00e0m v\u01b0\u1eddn th\u1ee7y canh. C\u00e1c ph\u01b0\u01a1ng ph\u00e1p ki\u1ec3m tra \u0111\u1ed9 pH truy\u1ec1n th\u1ed1ng, ch\u1eb3ng h\u1ea1n nh\u01b0 que th\u1eed ho\u1eb7c b\u1ed9 d\u1ee5ng c\u1ee5 ki\u1ec3m tra ch\u1ea5t l\u1ecfng, c\u00f3 th\u1ec3 t\u1ed1n k\u00e9m v\u00e0 c\u1ea7n ph\u1ea3i thay th\u1ebf th\u01b0\u1eddng xuy\u00ean. Ng\u01b0\u1ee3c l\u1ea1i, m\u00e1y \u0111o pH DFRobot ch\u1ec9 \u0111\u1ea7u t\u01b0 m\u1ed9t l\u1ea7n \u0111\u1ec3 cung c\u1ea5p c\u00e1c ph\u00e9p \u0111o pH ch\u00ednh x\u00e1c v\u00e0 \u0111\u00e1ng tin c\u1eady trong nhi\u1ec1u n\u0103m t\u1edbi. B\u1eb1ng c\u00e1ch lo\u1ea1i b\u1ecf nhu c\u1ea7u v\u1ec1 v\u1eadt t\u01b0 th\u1eed nghi\u1ec7m t\u1ed1n k\u00e9m, ng\u01b0\u1eddi l\u00e0m v\u01b0\u1eddn c\u00f3 th\u1ec3 ti\u1ebft ki\u1ec7m ti\u1ec1n v\u1ec1 l\u00e2u d\u00e0i v\u00e0 t\u1eadp trung v\u00e0o vi\u1ec7c tr\u1ed3ng c\u00e2y kh\u1ecfe m\u1ea1nh, ph\u00e1t tri\u1ec3n m\u1ea1nh.<\/p>\n<p>Nh\u00ecn chung, m\u00e1y \u0111o \u0111\u1ed9 pH DFRobot l\u00e0 m\u1ed9t c\u00f4ng c\u1ee5 thi\u1ebft y\u1ebfu cho nh\u1eefng ng\u01b0\u1eddi l\u00e0m v\u01b0\u1eddn th\u1ee7y canh mu\u1ed1n t\u1ed1i \u0111a h\u00f3a n\u0103ng su\u1ea5t v\u00e0 t\u0103ng tr\u01b0\u1edfng c\u1ee7a c\u00e2y tr\u1ed3ng. V\u1edbi \u0111\u1ed9 ch\u00ednh x\u00e1c, d\u1ec5 s\u1eed d\u1ee5ng, \u0111\u1ed9 b\u1ec1n v\u00e0 ti\u1ebft ki\u1ec7m chi ph\u00ed, thi\u1ebft b\u1ecb n\u00e0y mang l\u1ea1i nhi\u1ec1u l\u1ee3i \u00edch c\u00f3 th\u1ec3 gi\u00fap ng\u01b0\u1eddi l\u00e0m v\u01b0\u1eddn \u0111\u1ea1t \u0111\u01b0\u1ee3c th\u00e0nh c\u00f4ng trong n\u1ed7 l\u1ef1c th\u1ee7y canh c\u1ee7a h\u1ecd. B\u1eb1ng c\u00e1ch \u0111\u1ea7u t\u01b0 v\u00e0o m\u00e1y \u0111o \u0111\u1ed9 pH DFRobot, ng\u01b0\u1eddi l\u00e0m v\u01b0\u1eddn c\u00f3 th\u1ec3 \u0111\u1ea3m b\u1ea3o r\u1eb1ng c\u00e2y tr\u1ed3ng c\u1ee7a h\u1ecd nh\u1eadn \u0111\u01b0\u1ee3c s\u1ef1 c\u00e2n b\u1eb1ng dinh d\u01b0\u1ee1ng th\u00edch h\u1ee3p v\u00e0 ph\u00e1t tri\u1ec3n m\u1ea1nh trong m\u00f4i tr\u01b0\u1eddng th\u1ee7y canh \u0111\u01b0\u1ee3c ki\u1ec3m so\u00e1t.<\/p>\n<h1 id=\"how-to-calibrate-and-maintain-your-ph-meter-dfrobot-for-accurate-readings-wpaicgheading\"><span class=\"ez-toc-section\" id=\"Cach_hieu_chinh_va_bao_tri_may_do_pH_DFRobot_cua_ban_de_co_ket_qua_chinh_xac\"><\/span>C\u00e1ch hi\u1ec7u ch\u1ec9nh v\u00e0 b\u1ea3o tr\u00ec m\u00e1y \u0111o pH DFRobot c\u1ee7a b\u1ea1n \u0111\u1ec3 c\u00f3 k\u1ebft qu\u1ea3 ch\u00ednh x\u00e1c<span class=\"ez-toc-section-end\"><\/span><\/h1>\n<p>\nM\u00e1y \u0111o pH l\u00e0 m\u1ed9t c\u00f4ng c\u1ee5 thi\u1ebft y\u1ebfu cho b\u1ea5t k\u1ef3 ai l\u00e0m vi\u1ec7c trong m\u00f4i tr\u01b0\u1eddng ph\u00f2ng th\u00ed nghi\u1ec7m, cho d\u00f9 \u0111\u00f3 l\u00e0 tr\u01b0\u1eddng h\u1ecdc, c\u01a1 s\u1edf nghi\u00ean c\u1ee9u hay m\u00f4i tr\u01b0\u1eddng c\u00f4ng nghi\u1ec7p. M\u00e1y \u0111o pH DFRobot l\u00e0 m\u1ed9t l\u1ef1a ch\u1ecdn ph\u1ed5 bi\u1ebfn do t\u00ednh ch\u00ednh x\u00e1c v\u00e0 \u0111\u1ed9 tin c\u1eady c\u1ee7a n\u00f3. Tuy nhi\u00ean, gi\u1ed1ng nh\u01b0 b\u1ea5t k\u1ef3 thi\u1ebft b\u1ecb n\u00e0o, n\u00f3 c\u1ea7n \u0111\u01b0\u1ee3c hi\u1ec7u chu\u1ea9n v\u00e0 b\u1ea3o tr\u00ec th\u01b0\u1eddng xuy\u00ean \u0111\u1ec3 \u0111\u1ea3m b\u1ea3o k\u1ebft qu\u1ea3 \u0111\u1ecdc ch\u00ednh x\u00e1c.<\/p>\n<p><img decoding=\"async\" src=\"https:\/\/shchimay.com\/wp-content\/uploads\/2024\/04\/ROC-8221-Factory-supply-Single-Stage-Double-Channels-RO-Controller2.png\" alt=\"alt-1010\" class=\"wp-image-1010\" id=\"i1010\" \/><\/p>\n<p>Hi\u1ec7u ch\u1ec9nh m\u00e1y \u0111o pH l\u00e0 r\u1ea5t quan tr\u1ecdng \u0111\u1ec3 c\u00f3 \u0111\u01b0\u1ee3c s\u1ed1 \u0111o ch\u00ednh x\u00e1c. Tr\u01b0\u1edbc khi hi\u1ec7u chu\u1ea9n, \u0111\u1ea3m b\u1ea3o l\u00e0m s\u1ea1ch \u0111i\u1ec7n c\u1ef1c b\u1eb1ng n\u01b0\u1edbc c\u1ea5t v\u00e0 lau kh\u00f4 b\u1eb1ng v\u1ea3i m\u1ec1m. \u0110\u1ec3 hi\u1ec7u ch\u1ec9nh m\u00e1y \u0111o 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. 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 m\u1eabu d\u1ef1 ki\u1ebfn \u200b\u200bv\u00e0 dung d\u1ecbch kia \u1edf \u0111\u1ea7u \u0111\u1ed1i di\u1ec7n c\u1ee7a thang \u0111o pH.<\/p>\n<div class=\"entry-content-asset videofit\"><iframe loading=\"lazy\" title=\"High Accuracy 4-20mA Absolute Pressure Transmitter For Liquid Gas And Steam\" width=\"720\" height=\"405\" src=\"https:\/\/www.youtube.com\/embed\/EL0pJGBee4I?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>\u0110\u1ec3 b\u1eaft \u0111\u1ea7u qu\u00e1 tr\u00ecnh hi\u1ec7u chu\u1ea9n, h\u00e3y nh\u00fang \u0111i\u1ec7n c\u1ef1c v\u00e0o dung d\u1ecbch hi\u1ec7u chu\u1ea9n \u0111\u1ea7u ti\u00ean v\u00e0 \u0111\u1ec3 n\u00f3 \u1ed5n \u0111\u1ecbnh. \u0110i\u1ec1u ch\u1ec9nh ch\u1ec9 s\u1ed1 c\u1ee7a m\u00e1y \u0111o pH \u0111\u1ec3 ph\u00f9 h\u1ee3p v\u1edbi gi\u00e1 tr\u1ecb pH \u0111\u00e3 bi\u1ebft c\u1ee7a dung d\u1ecbch b\u1eb1ng c\u00e1ch s\u1eed d\u1ee5ng c\u00e1c n\u00fam ho\u1eb7c n\u00fat hi\u1ec7u ch\u1ec9nh tr\u00ean thi\u1ebft b\u1ecb. 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 ph\u1ea1m vi pH.<\/p>\n<p>Sau khi hi\u1ec7u ch\u1ec9nh m\u00e1y \u0111o pH, \u0111i\u1ec1u quan tr\u1ecdng l\u00e0 ph\u1ea3i b\u1ea3o qu\u1ea3n m\u00e1y \u0111\u00fang c\u00e1ch \u0111\u1ec3 k\u00e9o d\u00e0i tu\u1ed5i th\u1ecd v\u00e0 \u0111\u1ea3m b\u1ea3o hi\u1ec7u su\u1ea5t \u1ed5n \u0111\u1ecbnh. Lu\u00f4n b\u1ea3o qu\u1ea3n \u0111i\u1ec7n c\u1ef1c trong dung d\u1ecbch b\u1ea3o qu\u1ea3n khi kh\u00f4ng s\u1eed d\u1ee5ng \u0111\u1ec3 tr\u00e1nh \u0111i\u1ec7n c\u1ef1c b\u1ecb kh\u00f4 v\u00e0 h\u01b0 h\u1ecfng. Ngo\u00e0i ra, th\u01b0\u1eddng xuy\u00ean l\u00e0m s\u1ea1ch \u0111i\u1ec7n c\u1ef1c b\u1eb1ng dung d\u1ecbch t\u1ea9y r\u1eeda \u0111\u1ec3 lo\u1ea1i b\u1ecf m\u1ecdi ch\u1ea5t t\u00edch t\u1ee5 ho\u1eb7c ch\u1ea5t g\u00e2y \u00f4 nhi\u1ec5m c\u00f3 th\u1ec3 \u1ea3nh h\u01b0\u1edfng \u0111\u1ebfn \u0111\u1ed9 ch\u00ednh x\u00e1c c\u1ee7a k\u1ebft qu\u1ea3 \u0111o.<\/p>\n<p>Khi s\u1eed d\u1ee5ng m\u00e1y \u0111o pH, h\u00e3y c\u1ea9n th\u1eadn \u0111\u1ec3 tr\u00e1nh l\u00e0m h\u1ecfng \u0111i\u1ec7n c\u1ef1c m\u1ecfng manh. Tr\u00e1nh ch\u1ea1m ng\u00f3n tay v\u00e0o \u0111i\u1ec7n c\u1ef1c v\u00ec d\u1ea7u v\u00e0 b\u1ee5i b\u1ea9n c\u00f3 th\u1ec3 \u1ea3nh h\u01b0\u1edfng \u0111\u1ebfn k\u1ebft qu\u1ea3 \u0111o. R\u1eeda s\u1ea1ch \u0111i\u1ec7n c\u1ef1c b\u1eb1ng n\u01b0\u1edbc c\u1ea5t gi\u1eefa c\u00e1c l\u1ea7n \u0111o \u0111\u1ec3 tr\u00e1nh nhi\u1ec5m b\u1ea9n ch\u00e9o v\u00e0 \u0111\u1ea3m b\u1ea3o k\u1ebft qu\u1ea3 ch\u00ednh x\u00e1c.<\/p>\n<figure class=\"wp-block-table\">\n<table>\n<tbody>\n<tr>\n<td colspan=\"2\">B\u1ed9 \u0111i\u1ec1u khi\u1ec3n ch\u01b0\u01a1ng tr\u00ecnh th\u1ea9m th\u1ea5u ng\u01b0\u1ee3c m\u1ed9t giai \u0111o\u1ea1n ROS-2015<\/td>\n<\/tr>\n<tr>\n<td>\u3000<\/td>\n<td>1.b\u1ec3 ch\u1ee9a n\u01b0\u1edbc ngu\u1ed3n kh\u00f4ng c\u00f3 b\u1ea3o v\u1ec7 n\u01b0\u1edbc<\/td>\n<\/tr>\n<tr>\n<td>\u3000<\/td>\n<td>2. b\u1ea3o v\u1ec7 \u00e1p su\u1ea5t th\u1ea5p<\/td>\n<\/tr>\n<tr>\n<td>T\u00edn hi\u1ec7u thu nh\u1eadn<\/td>\n<td>3.B\u1ec3 ch\u1ee9a n\u01b0\u1edbc tinh khi\u1ebft \u0111\u01b0\u1ee3c b\u1ea3o v\u1ec7 ho\u00e0n to\u00e0n<\/td>\n<\/tr>\n<tr>\n<td>\u3000<\/td>\n<td>4.b\u1ea3o v\u1ec7 \u00e1p su\u1ea5t cao<\/td>\n<\/tr>\n<tr>\n<td>\u3000<\/td>\n<td>5.\u0111i\u1ec1u khi\u1ec3n b\u00ean ngo\u00e0i (chuy\u1ec3n \u0111\u1ed5i th\u1ee7 c\u00f4ng\/t\u1ef1 \u0111\u1ed9ng)<\/td>\n<\/tr>\n<tr>\n<td>\u3000<\/td>\n<td>1.van c\u1ea5p n\u01b0\u1edbc<\/td>\n<\/tr>\n<tr>\n<td>Ki\u1ec3m so\u00e1t \u0111\u1ea7u ra<\/td>\n<td>2. van x\u1ea3<\/td>\n<\/tr>\n<tr>\n<td>\u3000<\/td>\n<td>3. b\u01a1m \u00e1p su\u1ea5t th\u1ea5p<\/td>\n<\/tr>\n<tr>\n<td>\u3000<\/td>\n<td>4.b\u01a1m cao \u00e1p<\/td>\n<\/tr>\n<tr>\n<td>\u3000<\/td>\n<td>AC220v\u00b110 ph\u1ea7n tr\u0103m 50\/60Hz<\/td>\n<\/tr>\n<tr>\n<td>Ngu\u1ed3n \u0111i\u1ec7n<\/td>\n<td>AC110v\u00b110 ph\u1ea7n tr\u0103m 50\/60Hz<\/td>\n<\/tr>\n<tr>\n<td>\u3000<\/td>\n<td>DC24v\u00b110 ph\u1ea7n tr\u0103m <\/td>\n<\/tr>\n<tr>\n<td>\u0110\u1ea7u ra \u0111i\u1ec1u khi\u1ec3n<\/td>\n<td>5A\/250V AC<\/td>\n<\/tr>\n<tr>\n<td>D\u1ecdn \u0111\u01b0\u1eddng<\/td>\n<td>X\u1ea3 \u00e1p su\u1ea5t th\u1ea5p\/X\u1ea3 \u00e1p su\u1ea5t cao<\/td>\n<\/tr>\n<tr>\n<td>\u0110\u1ed9 \u1ea9m t\u01b0\u01a1ng \u0111\u1ed1i<\/td>\n<td>\u226485 ph\u1ea7n tr\u0103m <\/td>\n<\/tr>\n<tr>\n<td>Nhi\u1ec7t \u0111\u1ed9 m\u00f4i tr\u01b0\u1eddng<\/td>\n<td>0~50\u2103<\/td>\n<\/tr>\n<tr>\n<td>K\u00edch th\u01b0\u1edbc l\u1ed7<\/td>\n<td>45*92mm(cao*r\u1ed9ng)<\/td>\n<\/tr>\n<tr>\n<td>Ph\u01b0\u01a1ng ph\u00e1p c\u00e0i \u0111\u1eb7t<\/td>\n<td>Ph\u1ea7n nh\u00fang<\/td>\n<\/tr>\n<tr>\n<td>Hi\u1ec3n th\u1ecb c\u00e1ch s\u1eed d\u1ee5ng<\/td>\n<td>Bi\u1ec3u \u0111\u1ed3 quy tr\u00ecnh RO ti\u00eau chu\u1ea9n, h\u1ed7 tr\u1ee3 m\u00e0n h\u00ecnh LED \u0111\u1ed9ng<\/td>\n<\/tr>\n<tr>\n<td>Ki\u1ec3m so\u00e1t qu\u00e1 tr\u00ecnh<\/td>\n<td>Khi h\u1ec7 th\u1ed1ng \u0111\u01b0\u1ee3c b\u1eadt l\u1ea7n \u0111\u1ea7u ti\u00ean, h\u1ec7 th\u1ed1ng s\u1ebd th\u1ef1c hi\u1ec7n x\u1ea3 m\u00e0ng trong 30 gi\u00e2y v\u00e0 nbsp;<\/td>\n<\/tr>\n<tr>\n<td>h\u01b0\u1edbng d\u1eabn<\/td>\n<td>v\u00e0 x\u1ea3 10s khi m\u00e1y \u0111ang ch\u1ea1y v\u00e0 b\u00ecnh n\u01b0\u1edbc \u0111\u1ea7y. Ch\u1ea1y li\u00ean t\u1ee5c 3h <\/td>\n<\/tr>\n<tr>\n<td>\u3000<\/td>\n<td>ho\u1eb7c ch\u1edd 3h khi n\u01b0\u1edbc \u0111\u1ea7y, t\u1ef1 \u0111\u1ed9ng can thi\u1ec7p x\u1ea3 n\u01b0\u1edbc trong 10s<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/figure>\n<p>\nTh\u01b0\u1eddng xuy\u00ean ki\u1ec3m tra t\u00ecnh tr\u1ea1ng c\u1ee7a \u0111i\u1ec7n c\u1ef1c v\u00e0 thay th\u1ebf n\u1ebfu c\u00f3 d\u1ea5u hi\u1ec7u m\u00f2n ho\u1eb7c h\u01b0 h\u1ecfng. \u0110i\u1ec7n c\u1ef1c b\u1ecb h\u1ecfng s\u1ebd kh\u00f4ng cung c\u1ea5p k\u1ebft qu\u1ea3 ch\u00ednh x\u00e1c v\u00e0 c\u00f3 th\u1ec3 d\u1eabn \u0111\u1ebfn k\u1ebft qu\u1ea3 sai. \u0110i\u1ec1u quan tr\u1ecdng n\u1eefa l\u00e0 ph\u1ea3i thay th\u1ebf c\u00e1c dung d\u1ecbch hi\u1ec7u chu\u1ea9n th\u01b0\u1eddng xuy\u00ean \u0111\u1ec3 \u0111\u1ea3m b\u1ea3o \u0111\u1ed9 ch\u00ednh x\u00e1c c\u1ee7a ch\u00fang.<\/p>\n<p>T\u00f3m l\u1ea1i, vi\u1ec7c hi\u1ec7u chu\u1ea9n v\u00e0 b\u1ea3o tr\u00ec m\u00e1y \u0111o pH DFRobot l\u00e0 \u0111i\u1ec1u c\u1ea7n thi\u1ebft \u0111\u1ec3 c\u00f3 \u0111\u01b0\u1ee3c s\u1ed1 \u0111o ch\u00ednh x\u00e1c v\u00e0 \u0111\u00e1ng tin c\u1eady. B\u1eb1ng c\u00e1ch tu\u00e2n theo c\u00e1c quy tr\u00ecnh hi\u1ec7u chu\u1ea9n th\u00edch h\u1ee3p v\u00e0 b\u1ea3o qu\u1ea3n \u0111i\u1ec7n c\u1ef1c, b\u1ea1n c\u00f3 th\u1ec3 \u0111\u1ea3m b\u1ea3o r\u1eb1ng m\u00e1y \u0111o pH ho\u1ea1t \u0111\u1ed9ng t\u1ed1i \u01b0u v\u00e0 cung c\u1ea5p k\u1ebft qu\u1ea3 ch\u00ednh x\u00e1c. H\u00e3y nh\u1edb b\u1ea3o qu\u1ea3n \u0111i\u1ec7n c\u1ef1c \u0111\u00fang c\u00e1ch, v\u1ec7 sinh th\u01b0\u1eddng xuy\u00ean v\u00e0 x\u1eed l\u00fd c\u1ea9n th\u1eadn \u0111\u1ec3 k\u00e9o d\u00e0i tu\u1ed5i th\u1ecd v\u00e0 duy tr\u00ec \u0111\u1ed9 ch\u00ednh x\u00e1c c\u1ee7a \u0111i\u1ec7n c\u1ef1c. V\u1edbi vi\u1ec7c hi\u1ec7u chu\u1ea9n v\u00e0 b\u1ea3o tr\u00ec th\u00edch h\u1ee3p, m\u00e1y \u0111o pH DFRobot s\u1ebd ti\u1ebfp t\u1ee5c l\u00e0 m\u1ed9t c\u00f4ng c\u1ee5 c\u00f3 gi\u00e1 tr\u1ecb trong c\u00f4ng vi\u1ec7c trong ph\u00f2ng th\u00ed nghi\u1ec7m c\u1ee7a b\u1ea1n.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>L\u1ee3i \u00edch c\u1ee7a vi\u1ec7c s\u1eed d\u1ee5ng m\u00e1y \u0111o pH DFRobot \u0111\u1ec3 l\u00e0m v\u01b0\u1eddn th\u1ee7y canh L\u00e0m v\u01b0\u1eddn th\u1ee7y canh l\u00e0 ph\u01b0\u01a1ng ph\u00e1p tr\u1ed3ng c\u00e2y kh\u00f4ng c\u1ea7n \u0111\u1ea5t m\u00e0 thay v\u00e0o \u0111\u00f3 l\u00e0 s\u1eed d\u1ee5ng n\u01b0\u1edbc gi\u00e0u dinh d\u01b0\u1ee1ng. 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