{"id":295277,"date":"2026-08-30T11:29:45","date_gmt":"2026-08-30T09:29:45","guid":{"rendered":"https:\/\/drain-master.de\/2026\/08\/30\/apera-ph20-nebo-ph60-uprimne-srovnani\/"},"modified":"2026-08-30T11:29:45","modified_gmt":"2026-08-30T09:29:45","slug":"apera-ph20-nebo-ph60-uprimne-srovnani","status":"publish","type":"post","link":"https:\/\/drain-master.de\/cs\/2026\/08\/30\/apera-ph20-nebo-ph60-uprimne-srovnani\/","title":{"rendered":"Apera PH20, nebo PH60? Up\u0159\u00edmn\u00e9 srovn\u00e1n\u00ed"},"content":{"rendered":"
\n

Jeden m\u011b\u0159\u00ed s p\u0159esnost\u00ed na 0,1 pH, druh\u00fd na 0,01. Zn\u00ed to jako jasn\u00e1 v\u011bc, ale nen\u00ed. Rozhoduj\u00edc\u00ed ot\u00e1zkou nen\u00ed, kter\u00fd p\u0159\u00edstroj m\u011b\u0159\u00ed p\u0159esn\u011bji, ale zda tuhle p\u0159esnost v\u016fbec dok\u00e1\u017ee\u0161 vyu\u017e\u00edt.<\/p>\n

Rozd\u00edl v jedn\u00e9 v\u011bt\u011b<\/h2>\n

Tester Apera PH20 Value pH<\/a> je robustn\u00ed z\u00e1kladn\u00ed p\u0159\u00edstroj s pevn\u011b zabudovanou elektrodou. Apera PH60 Premium pH<\/a> m\u011b\u0159\u00ed o jedno desetinn\u00e9 m\u00edsto p\u0159esn\u011bji, pokr\u00fdv\u00e1 \u0161ir\u0161\u00ed m\u011b\u0159ic\u00ed rozsah a m\u00e1 vym\u011bnitelnou<\/strong> elektrodu, d\u00edky \u010demu\u017e se d\u00e1 opravit, m\u00edsto aby se musel vyhodit.<\/p>\n

Data v p\u0159\u00edm\u00e9m srovn\u00e1n\u00ed<\/h2>\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n
 <\/th>\nPH20 Value<\/th>\nPH60 Premium<\/th>\n<\/tr>\n<\/thead>\n
Rozsah m\u011b\u0159en\u00ed pH<\/strong><\/td>\n0,0 a\u017e 14,0<\/td>\n\u22122,00 a\u017e 16,00<\/td>\n<\/tr>\n
Rozli\u0161en\u00ed<\/strong><\/td>\n0,1 pH<\/td>\n0,01 pH<\/td>\n<\/tr>\n
P\u0159esnost<\/strong><\/td>\n\u00b10,1 pH<\/td>\n\u00b10,01 pH<\/td>\n<\/tr>\n
Elektroda<\/strong><\/td>\npevn\u011b zabudovan\u00e1<\/td>\nvym\u011bniteln\u00e1 (PH60-E)<\/td>\n<\/tr>\n
Kalibrace<\/strong><\/td>\n1 a\u017e 3 body, automatick\u00e9 rozpozn\u00e1n\u00ed pufru<\/td>\n1 a\u017e 3 body, automatick\u00e9 rozpozn\u00e1n\u00ed pufru<\/td>\n<\/tr>\n
Teplota<\/strong><\/td>\n0 a\u017e 50 \u00b0C, ATC<\/td>\n0 a\u017e 50 \u00b0C, ATC<\/td>\n<\/tr>\n
Stupe\u0148 kryt\u00ed<\/strong><\/td>\nIP67, vodot\u011bsn\u00fd a plovouc\u00ed<\/td>\nIP67, vodot\u011bsn\u00fd a plovouc\u00ed<\/td>\n<\/tr>\n
Nap\u00e1jen\u00ed<\/strong><\/td>\n4 \u00d7 AAA, a\u017e 1 000 hodin<\/td>\n4 \u00d7 AAA, a\u017e 1 000 hodin<\/td>\n<\/tr>\n
Redox (ORP)<\/strong><\/td>\nne<\/td>\nlze doplnit pomoc\u00ed v\u00fdm\u011bnn\u00e9 ORP elektrody<\/td>\n<\/tr>\n
Obsah balen\u00ed<\/strong><\/td>\npufry 4,00 a 7,00, baterie, kuf\u0159\u00edk<\/td>\npufry 4,00, 7,00 a 10,01, uchov\u00e1vac\u00ed roztok KCl, baterie, kuf\u0159\u00edk<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n

N\u00e1padn\u00e9 je to, co je stejn\u00e9<\/em>: ochrana pouzdra, teplotn\u00ed kompenzace, logika kalibrace a v\u00fddr\u017e. Kdo si koup\u00ed PH20, nedostane o\u0159ezan\u00fd p\u0159\u00edstroj, ale stejn\u00fd koncept ovl\u00e1d\u00e1n\u00ed s hrub\u0161\u00edm rozli\u0161en\u00edm a nevym\u011bnitelnou elektrodou.<\/p>\n

Co znamen\u00e1 0,1 oproti 0,01 v praxi<\/h2>\n

Optim\u00e1ln\u00ed rozsah pH v kokosu se pohybuje zhruba mezi 5,8 a 6,2. To jsou \u010dty\u0159i desetiny prostoru pro man\u00e9vrov\u00e1n\u00ed. P\u0159\u00edstroj s rozli\u0161en\u00edm 0,1 ti v tomto okn\u011b uk\u00e1\u017ee p\u011bt stup\u0148\u016f: 5,8-5,9-6,0-6,1-6,2. To bohat\u011b sta\u010d\u00ed k tomu, abys poznal, jestli jsi v limitu, nebo z n\u011bj vypad\u00e1v\u00e1\u0161. Jak\u00e9 okno plat\u00ed pro tv\u016fj substr\u00e1t, najde\u0161 v Pr\u016fvodci optim\u00e1ln\u00ed hodnotou pH<\/a>.<\/p>\n

Druh\u00e9 desetinn\u00e9 m\u00edsto za\u010d\u00edn\u00e1 b\u00fdt cenn\u00e9 a\u017e tam, kde sleduje\u0161 zm\u011bny<\/strong> nam\u00edsto stav\u016f: kdy\u017e chce\u0161 v recirkulaci vid\u011bt, jestli \u017eivn\u00fd roztok b\u011bhem dne \u201euj\u00ed\u017ed\u00ed\u201c, kdy\u017e porovn\u00e1v\u00e1\u0161 vstup a drain, nebo kdy\u017e pot\u0159ebuje\u0161 nastavit d\u00e1vku hnojiva s vysokou opakovatelnost\u00ed. Tam je rozd\u00edl mezi 6,04 a 6,11 d\u016fle\u017eitou informac\u00ed, p\u0159i zaokrouhlen\u00ed na 0,1 jsou ob\u011b hodnoty \u201e6,1\u201c a neuvid\u00ed\u0161 v\u016fbec nic.<\/p>\n

Up\u0159\u00edmn\u00e1 pozn\u00e1mka k p\u0159esnosti<\/h3>\n

\u00b10,01 pH je \u00fadaj pro m\u011b\u0159ic\u00ed elektroniku v ide\u00e1ln\u00edch podm\u00ednk\u00e1ch. To, co nakonec vyjde v tv\u00e9 odm\u011brce, z\u00e1vis\u00ed nav\u00edc na kvalit\u011b tv\u00fdch kalibra\u010dn\u00edch roztok\u016f, teplot\u011b, stavu elektrody a na tom, jak \u010dist\u00fd je tv\u016fj vzorek. PH60 se star\u00fdm pufrem m\u011b\u0159\u00ed h\u016f\u0159e ne\u017e \u010derstv\u011b nakalibrovan\u00e9 PH20. Displej slibuje preciznost, ale dodat ji mus\u00ed tv\u016fj pracovn\u00ed postup, viz N\u00e1vod ke kalibraci<\/a>.<\/p>\n

Ten skute\u010dn\u00fd rozd\u00edl: elektroda<\/h2>\n

pH elektroda je spot\u0159ebn\u00ed materi\u00e1l. P\u0159i dobr\u00e9 p\u00e9\u010di vydr\u017e\u00ed typicky jeden a\u017e dva roky, Apera d\u00e1v\u00e1 na samotnou elektrodu z\u00e1ruku \u0161est m\u011bs\u00edc\u016f, na p\u0159\u00edstroj dva roky. Kdy\u017e doslou\u017e\u00ed, cesty obou p\u0159\u00edstroj\u016f se rozd\u011bluj\u00ed:<\/p>\n