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darthradu
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Joined: 09/11/2014 14:03:13
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Location: Bucuresti
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Pai clar:
Astea digitale sunt mai bune ca cele de tip banda, chiar daca sunt chinezesti.
Toate astea chinezesti au aceeasi calitate, fie ca sunt pen sau ca sunt legate la un monitor separat. Calitate= erori de +/- 0.1-0.2 la masurare, decalibrare electrod, imbatranire prematura electrod.
Chiar si asa, masurand o valoare ampulea, iti poti da seama de schimbarile de ph ca nu se decalibreaza de pe o zi pe alta.

Eu mi-as lua, pentru inceput, http://www.filtre-apa-georominstal.ro/adwa/ph-metru-ad12?sort=p.sort_order&order=AShttp://www.filtre-apa-georominstal.ro/adwa/ph-metru-ad12?sort=p.sort_order&order=ASC

Mi se pare calitativ, se gasesc electrozi de schimb, e de firma chiar daca nu e hanna

Multe Urari si Incantatii
CreatoR
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Joined: 12/08/2009 14:42:38
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hmm asta e ca un pen, mi-ar fi placut ceva care sa fie in permanenta conectat, mai ales dimineata doar sa arunc un ochi.

Mai e si solutia asta cu conectare la un aparat de ozon:

http://www.fish-street.com/weipro_2310_ph_and_orp_crontoller + http://www.fish-street.com/weipro_ozone

This message was edited 1 time. Last update was at 30/03/2015 09:22:42


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My 130L marine aquarium: https://www.flickr.com/photos/47236990@N04/sets/72157652684731282
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Bobi Brasov
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Joined: 11/01/2012 12:31:17
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Am asa ceva,2 puncte calibrare ! Are nevoie de o sonda BNC ! relatii pm !
[Thumb - IMG_20150330_102742.jpg]


Sa auzim de bine !
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CreatoR
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O sa renunt sa dau comanda de pe fish street, pana la urma tot pe ebay gasesti mai ieftin:

http://www.ebay.com/itm/Aquarium-Electronic-Salinity-and-Ph-meter-Monitor-2-in-1-easy-install-and-setup-/271815257141?pt=LH_DefaultDomain_3&hash=item3f4973ac35

Acelasi produs si costa 300ron.

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My 130L marine aquarium: https://www.flickr.com/photos/47236990@N04/sets/72157652684731282
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Mitzi
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Joined: 02/05/2014 22:13:56
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Pana la urma,a comandat cineva acest PH-Salinitycontroller?
 
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