{"id":19536,"date":"2024-08-04T10:55:45","date_gmt":"2024-08-04T02:55:45","guid":{"rendered":"https:\/\/shchimay.com\/?p=19536"},"modified":"2024-08-04T13:37:03","modified_gmt":"2024-08-04T05:37:03","slug":"how-does-a-ph-meter-work","status":"publish","type":"post","link":"https:\/\/shchimay.com\/tr\/how-does-a-ph-meter-work\/","title":{"rendered":"ph metre nas\u0131l \u00e7al\u0131\u015f\u0131r"},"content":{"rendered":"

PH ve pH \u00d6l\u00e7erlerin Temellerini Anlamak<\/h1>\n

\npH \u00f6l\u00e7\u00fcm cihazlar\u0131 tar\u0131m, yiyecek ve i\u00e7ecek \u00fcretimi ve \u00e7evresel izleme dahil olmak \u00fczere \u00e7e\u015fitli end\u00fcstrilerde temel ara\u00e7lard\u0131r. Bu cihazlar, mevcut hidrojen iyonlar\u0131n\u0131n konsantrasyonunu belirleyerek bir \u00e7\u00f6zeltinin asitli\u011fini veya alkalili\u011fini \u00f6l\u00e7er. Do\u011fru ve g\u00fcvenilir \u00f6l\u00e7\u00fcmler elde etmek i\u00e7in bir pH metrenin nas\u0131l \u00e7al\u0131\u015ft\u0131\u011f\u0131n\u0131 anlamak \u00e7ok \u00f6nemlidir.<\/p>\n

Bir pH metrenin temelinde hidrojen iyonlar\u0131na duyarl\u0131 bir cam elektrot bulunur. Bir \u00e7\u00f6zeltiye dald\u0131r\u0131ld\u0131\u011f\u0131nda cam elektrot, \u00e7\u00f6zeltinin pH’\u0131 ile orant\u0131l\u0131 bir voltaj \u00fcretir. Bu voltaj daha sonra \u00f6l\u00e7\u00fcm cihaz\u0131n\u0131n dahili devresi taraf\u0131ndan bir pH de\u011ferine d\u00f6n\u00fc\u015ft\u00fcr\u00fcl\u00fcr.<\/p>\n

\"alt-682\"<\/p>\n

Do\u011fru \u00f6l\u00e7\u00fcmler sa\u011flamak i\u00e7in pH \u00f6l\u00e7\u00fcm cihazlar\u0131n\u0131n, bilinen pH de\u011ferlerine sahip tampon \u00e7\u00f6zeltiler kullan\u0131larak d\u00fczenli olarak kalibre edilmesi gerekir. Kalibrasyon, zaman i\u00e7inde elektrotun hassasiyetinde meydana gelen sapmalar\u0131 veya de\u011fi\u015fiklikleri hesaba katacak \u015fekilde \u00f6l\u00e7\u00fcm cihaz\u0131n\u0131n dahili ayarlar\u0131n\u0131 ayarlar. \u00c7o\u011fu pH \u00f6l\u00e7er, daha geni\u015f bir pH aral\u0131\u011f\u0131nda do\u011frulu\u011fu art\u0131rmak i\u00e7in birden fazla noktada kalibrasyon yap\u0131lmas\u0131na olanak tan\u0131r.<\/p>\n

\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n
Model<\/td>\npH\/ORP-510 pH\/ORP \u00d6l\u00e7er<\/td>\n<\/tr>\n
Aral\u0131k<\/td>\n0-14 pH; -2000 – +2000mV<\/td>\n<\/tr>\n
Do\u011fruluk<\/td>\n\\\u00b10.1pH; \\\u00b12mV<\/td>\n<\/tr>\n
S\u0131cakl\u0131k. Komp.<\/td>\nManuel\/Otomatik s\u0131cakl\u0131k telafisi; D\u00fczeltme Yok<\/td>\n<\/tr>\n
Oper. S\u0131cakl\u0131k<\/td>\nNormal 0\\\uff5e60\\\u2103; Y\u00fcksek s\u0131cakl\u0131k 0\\\uff5e100\\\u2103<\/td>\n<\/tr>\n
Sens\u00f6r<\/td>\npH \u00e7ift\/\u00fc\u00e7l\u00fc sens\u00f6r; ORP sens\u00f6r\u00fc<\/td>\n<\/tr>\n
Ekran<\/td>\nLCD Ekran<\/td>\n<\/tr>\n
\u0130leti\u015fim<\/td>\n4-20mA \u00e7\u0131k\u0131\u015f\/RS485<\/td>\n<\/tr>\n
\u00c7\u0131k\u0131\u015f<\/td>\nY\u00fcksek\/Alt limitli ikili r\u00f6le kontrol\u00fc<\/td>\n<\/tr>\n
G\u00fc\u00e7<\/td>\nAC 220V\u0000\u00fczde110 50\/60Hz veya AC 110V\\\\y\u00fczde110 50\/60Hz veya DC24V\/0,5A<\/td>\n<\/tr>\n
\u00c7al\u0131\u015fma Ortam\u0131<\/td>\nOrtam s\u0131cakl\u0131\u011f\u0131:0\\\uff5e50\\\u2103<\/td>\n<\/tr>\n
Ba\u011f\u0131l nem\\\u226485 y\u00fczde <\/td>\n<\/tr>\n
Boyutlar<\/td>\n48\\\u00d796\\\u00d7100mm(H\\\u00d7W\\\u00d7L)<\/td>\n<\/tr>\n
Delik Boyutu<\/td>\n45\\\u00d792mm(Y\\\u00d7G)<\/td>\n<\/tr>\n
Kurulum Modu<\/td>\nG\u00f6m\u00fcl\u00fc<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/figure>\n

\nCam elektrotun yan\u0131 s\u0131ra pH metreler, \u00f6l\u00e7\u00fcm i\u00e7in sabit bir referans noktas\u0131 sa\u011flayan bir referans elektrotu da i\u00e7erir. Referans elektrot tipik olarak potasyum klor\u00fcr gibi pH de\u011feri bilinen bir \u00e7\u00f6zelti ile doldurulur. pH metre, cam elektrot taraf\u0131ndan \u00fcretilen voltaj\u0131 referans elektrotla kar\u015f\u0131la\u015ft\u0131rarak test edilen \u00e7\u00f6zeltinin pH’\u0131n\u0131 do\u011fru bir \u015fekilde belirleyebilir.<\/p>\n

PH \u00f6l\u00e7\u00fcmlerinin do\u011frulu\u011funu etkileyebilecek temel fakt\u00f6rlerden biri s\u0131cakl\u0131kt\u0131r. pH metreler genellikle elektrotun hassasiyetini etkileyebilecek s\u0131cakl\u0131ktaki de\u011fi\u015fiklikleri hesaba katan s\u0131cakl\u0131k dengeleme \u00f6zellikleriyle donat\u0131lm\u0131\u015ft\u0131r. Baz\u0131 pH metreler, farkl\u0131 ortamlarda do\u011fru okumalar sa\u011flamak i\u00e7in manuel s\u0131cakl\u0131k ayarlamalar\u0131na da izin verir.<\/p>\n

Bir pH metre kullan\u0131rken, elektrotu dam\u0131t\u0131lm\u0131\u015f suyla durulayarak ve kullan\u0131lmad\u0131\u011f\u0131 zaman bir saklama sol\u00fcsyonunda saklayarak uygun \u015fekilde haz\u0131rlamak \u00f6nemlidir. . Bu, elektrotun hassasiyetinin korunmas\u0131na ve \u00f6mr\u00fcn\u00fcn uzat\u0131lmas\u0131na yard\u0131mc\u0131 olur. Performans\u0131n\u0131 etkileyebilecek hasarlardan ka\u00e7\u0131nmak i\u00e7in elektrotun dikkatli kullan\u0131lmas\u0131 da \u00f6nemlidir.<\/p>\n

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