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Batterijdeksel
5.0 Batterijen vervangen
De batterijen in de Bluelab pH-meter worden vervangen wanneer de
indicatie voor batterijniveau laag op het display verschijnt.
De indicatie van batterijniveau laag blijft actief en de Bluelab pH-meter
blijft functioneren totdat de batterijen leeg zijn of worden vervangen.
Open het batterijvak door het dekseltje
achteraan naar beneden te schuiven
en plaats er 2 x AAA-batterijen in zoals
afgebeeld op de batterijhouder. Schuif het
dekseltje terug.
OPMERKING: Alkalibatterijen worden
aanbevolen.
OPMERKING: Controleer de batterijen
minstens om de zes maanden op tekenen
van achteruitgang, roest of zwelling.
Bij tekenen van achteruitgang dienen de
contacten van de batterijhouder te worden
gereinigd en de batterijen vervangen.
4.0 De pH-waarde meten
pH meten
Druk op de inschakeltoets om de pH-meter in te schakelen.
Haal de beschermdop van de pH-probe en plaats de pH-probe in de oplossing.
Wacht 1-2 minuten of langer totdat de meting zich op een constante waarde
stabiliseert. De gemeten pH verschijnt op het display.
Als de vloeistof die u meet buiten het meetbereik van de pH-meter ligt, wordt ‘Ur’
(onder meetbereik) of ‘Or’ (over meetbereik) weergegeven.
Berg de pH-probe op tussen metingen. Zie vak 8.0.
OPMERKING: Spoel bij het meten van meer dan één oplossing de punt van
de pH-probe tussen verschillende oplossingen grondig af in schoon water om
kruisbesmetting te voorkomen.
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