Manual Bluelab pH meter (page 9 of 12) (Dutch)

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9.0 Foutmeldingen

Een foutmelding verschijnt alleen na het mislukken van een pH-kalibratie.

‘Err’ verschijnt gedurende enkele seconden waarna de vorige meting weer op het

display verschijnt. De indicaties van geslaagde kalibratie verdwijnen. De Bluelab

pH-meter bevindt zich in een niet-gekalibreerde status, daarom moet hij weer

worden gekalibreerd. Zie hieronder oorzaken van Foutmeldingen.

Mogelijke oorzaken van een ‘Err’-melding:

• Kalibratieoplossing vervuild

• Verkeerde oplossingen gebruikt

• pH-probe vervuild

• pH probe niet goed vastgemaakt

• pH-probe versleten of beschadigd

• Voer EERST een kalibratie voor pH 7.0 uit, dan voor pH 4.0/10.0

10.0 Technische speci caties

Meetbereik 0.0 - 14.0 pH

Resolutie 0.1 pH

Nauwkeurigheid

(bij 25°C/77°F)

±0.1 pH

Calibration Tweepuntskalibratie pH 7.0 en pH 4.0 of pH 10.0

Kalibratie Niet van toepassing

Temperatuurcompensatie

0 - 50 °C

32 - 122 °F

Stroombron 2 x AAA-alkalibatterijen

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Bluelab pH meter Manual

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